Station Overview Station Location
Station Number CO-LR-255 Latitude 40.5759
Station Name FCL Longitude -105.0858
County Larimer Elevation (ft) 5010



Month 30 Yr Avg by PRISM Total Prcp Sum Days Covered By All Observations Daily Prcp Sum Daily Observation Count Multiday Prcp Sum Days Covered by Multiday Observations Multiday Observation Count Days With Prcp Days With Trace Total Snowfall Days With Snowfall Days With Snow On Ground
Oct 11 1.20 1.77 31 1.77 31 0.00 0 0 4 2 9.7 2 5
Nov 11 0.71 0.87 30 0.87 30 0.00 0 0 3 3 10.6 2 6
Dec 11 0.51 0.79 31 0.79 31 0.00 0 0 4 4 13.8 6 23
Jan 12 0.34 0.07 31 0.07 31 0.00 0 0 2 3 1.0 2 1
Feb 12 0.42 0.73 29 0.73 29 0.00 0 0 4 6 14.7 5 16
March 12 1.62 0.00 31 0.00 31 0.00 0 0 0 2 0.0 0 0
April 12 2.09 0.41 30 0.41 30 0.00 0 0 7 4 0.0 0 0
May 12 2.52 1.69 31 1.69 31 0.00 0 0 7 0 0.0 0 0
June 12 2.24 0.61 30 0.61 30 0.00 0 0 5 4 0.0 0 0
July 12 1.33 3.09 31 3.09 31 0.00 0 0 9 3 0.0 0 0
Aug 12 1.49 0.03 31 0.03 31 0.00 0 0 2 6 0.0 0 0
Sept 12 1.31 2.72 30 2.72 30 0.00 0 0 9 3 0.0 0 0
Water Year Totals: 15.78" 12.78" 366 days 12.78" 366 0.00" 0 days 0 56 days 40 days 49.8" 17 days 51 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2011 0.00
10/2/2011 0.00
10/3/2011 0.00
10/4/2011 0.00
10/5/2011 T
10/6/2011 0.00
10/7/2011 0.00
10/8/2011 T
10/9/2011 0.60
10/10/2011 0.00
10/11/2011 0.00
10/12/2011 0.00
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.03
10/18/2011 0.00
10/19/2011 0.00
10/20/2011 0.00
10/21/2011 0.00
10/22/2011 0.00
10/23/2011 0.00
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.93
10/27/2011 0.21
10/28/2011 0.00
10/29/2011 0.00
10/30/2011 0.00
10/31/2011 0.00
11/1/2011 0.00
11/2/2011 0.80
11/3/2011 T
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 0.00
11/8/2011 0.00
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 T
11/14/2011 T
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.05
11/20/2011 0.00
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.02
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.29
12/2/2011 0.03
12/3/2011 0.19
12/4/2011 T
12/5/2011 0.00
12/6/2011 T
12/7/2011 0.00
12/8/2011 0.00
12/9/2011 0.00
12/10/2011 0.00
12/11/2011 0.00
12/12/2011 0.00
12/13/2011 0.00
12/14/2011 0.00
12/15/2011 0.00
12/16/2011 0.00
12/17/2011 0.00
12/18/2011 0.00
12/19/2011 0.00
12/20/2011 T
12/21/2011 0.00
12/22/2011 0.28
12/23/2011 T
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 0.00
12/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2012 0.00
1/2/2012 0.00
1/3/2012 0.00
1/4/2012 0.00
1/5/2012 0.00
1/6/2012 0.00
1/7/2012 0.00
1/8/2012 T
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 T
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.03
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.00
1/22/2012 0.00
1/23/2012 0.00
1/24/2012 0.00
1/25/2012 T
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 0.04
1/29/2012 0.00
1/30/2012 0.00
1/31/2012 0.00
2/1/2012 0.00
2/2/2012 0.00
2/3/2012 0.41
2/4/2012 0.17
2/5/2012 0.00
2/6/2012 0.00
2/7/2012 T
2/8/2012 0.00
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.10
2/12/2012 T
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 T
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 T
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.05
2/24/2012 T
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 0.00
2/29/2012 T
3/1/2012 0.00
3/2/2012 T
3/3/2012 T
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 0.00
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
3/12/2012 0.00
3/13/2012 0.00
3/14/2012 0.00
3/15/2012 0.00
3/16/2012 0.00
3/17/2012 0.00
3/18/2012 0.00
3/19/2012 0.00
3/20/2012 0.00
3/21/2012 0.00
3/22/2012 0.00
3/23/2012 0.00
3/24/2012 0.00
3/25/2012 0.00
3/26/2012 0.00
3/27/2012 0.00
3/28/2012 0.00
3/29/2012 0.00
3/30/2012 0.00
3/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 T
4/3/2012 T
4/4/2012 0.09
4/5/2012 0.00
4/6/2012 0.00
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.11
4/12/2012 0.04
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 T
4/16/2012 0.06
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.04
4/20/2012 0.02
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 T
4/26/2012 0.00
4/27/2012 0.05
4/28/2012 0.00
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 0.00
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.60
5/8/2012 0.09
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.06
5/13/2012 0.00
5/14/2012 0.00
5/15/2012 0.00
5/16/2012 0.00
5/17/2012 0.00
5/18/2012 0.00
5/19/2012 0.22
5/20/2012 0.03
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.68
5/25/2012 0.01
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 0.00
6/2/2012 0.00
6/3/2012 0.02
6/4/2012 T
6/5/2012 0.00
6/6/2012 T
6/7/2012 T
6/8/2012 0.00
6/9/2012 0.00
6/10/2012 0.00
6/11/2012 0.00
6/12/2012 0.00
6/13/2012 0.00
6/14/2012 0.00
6/15/2012 0.00
6/16/2012 T
6/17/2012 0.00
6/18/2012 0.00
6/19/2012 0.00
6/20/2012 0.00
6/21/2012 0.00
6/22/2012 0.00
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.14
6/26/2012 0.00
6/27/2012 0.02
6/28/2012 0.25
6/29/2012 0.18
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 T
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.04
7/7/2012 1.00
7/8/2012 1.15
7/9/2012 0.37
7/10/2012 0.00
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.00
7/14/2012 0.00
7/15/2012 0.00
7/16/2012 T
7/17/2012 0.01
7/18/2012 0.00
7/19/2012 0.00
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 0.00
7/23/2012 T
7/24/2012 0.00
7/25/2012 0.05
7/26/2012 0.40
7/27/2012 0.00
7/28/2012 0.00
7/29/2012 0.00
7/30/2012 0.05
7/31/2012 0.02
8/1/2012 0.02
8/2/2012 0.00
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 0.00
8/7/2012 T
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 T
8/12/2012 0.01
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 T
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.00
8/22/2012 0.00
8/23/2012 T
8/24/2012 0.00
8/25/2012 0.00
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.00
8/29/2012 T
8/30/2012 T
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 0.03
9/3/2012 T
9/4/2012 T
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.00
9/8/2012 T
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.58
9/13/2012 0.09
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.01
9/18/2012 0.00
9/19/2012 0.00
9/20/2012 0.00
9/21/2012 0.00
9/22/2012 0.00
9/23/2012 0.00
9/24/2012 0.00
9/25/2012 0.06
9/26/2012 0.34
9/27/2012 1.58
9/28/2012 0.02
9/29/2012 0.00
9/30/2012 0.01



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear and warming up again. High 77. Just some mid and high clouds spilling out from some high-mountain afternoon convection. Low 44F with some morning dew.
10/2/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm day. High 85. Increasing clouds in the afternoon from convection up over the high mountains to the west. Had a burst of gusty winds just after 6:30 PM with peak gust of 32 mph from the south. Then clearing overnight with low 47 and some light morning dew. Few cu and ac this morning.
10/3/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, very warm. Record high of 87F --highest in 123 years for this date. Afternoon convective clouds especially up over the mountains to the far west. Partly cloudy with mid and high clouds overnight and low 50F
10/4/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny except for active convective clouds over the mountains to the SW-NW. Even some lightning NW at sunset. High 82. Clear to partly cloudy overnight with low 48F
10/5/2011 8:00 AM T 0.0 0.00 0.0 0.00 Another warm day. High 81F Afternoon convection over the mountains and spilled over late afternoon with few sprinkles around 6 PM and winds to 21 mph. Cloudy overnight but partial clearing towards morning. low 49F
10/6/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, dry air -- pleasant. High 75F Partly cloudy overnight LIght winds and low 46F
10/7/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning, but rapidly clouded up afternoon and gusty southerly winds with some blowing dust. Gusts to 31 mph around 3:15 PM. Many odd cloud formations as deep low pressure area passing just to our NW. Dark stormy clouds both to our west and our east mid and late afternoon, but clearing after sunset. High 74. Still breezy overnight with low 43F -- cloudless morning.
10/8/2011 8:00 AM T 0.0 0.00 0.0 0.00 Clear, cooler but uncommonly nice day. High 67F. Then clouds began to appear on the southern horizon late afternoon and overcast by evening. Increasing northerly winds overnight with very light rain beginning about 7:40 AM -- dark low stratus and foothills mostly obscured.
10/9/2011 8:00 AM 0.60 0.0 0.00 0.0 0.00 Rain began lightly before 8 AM and continued until 6 PM with a few very light showers after that. 0.63" in the NWS 8" gauge but I'm reporting the 0.60" from the CoCoRaHS gauge. High 45, but temperature dropped to 39.5F during the heavier midday rains. Remained cloudy overnight with low 40F Clearing to the SW this AM with snowcovered mountains
10/10/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy morning, then clearing midday but clouds moved in again late afternoon. High 55 with light easterly winds. Then clearing and chilly overnight with low 35F
10/11/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warmer. High 65F. Partly cloudy with low 44F
10/12/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Becoming partly cloudy with some gusty, dry downslope winds in the afternoon. High 71F with peak wind gust 22 mph. Continued gusty west winds overnight and mild -- low 48F with several gusts over 20 mph
10/13/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Breezy all day. Clear skies. High 71F Winds diminished overnight and some cirrus this AM. Low 36F with frost
10/14/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Plenty of sunshine and nice temperatures. High 73. Becoming partly to mostly cloudy with mid clouds late afternoon. Then clearing overnight and cool with low 37F
10/15/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing clouds -- not as warm with high 65F Overcast late afternoon -- possibly a standing mountain wave -- then clearing. Just some high clouds overnight. Low 39F
10/16/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 partly cloudy - mostly high clouds Some westerly downslope winds afternoon. Temperature soared to 84F -- tying the long-term 123 year record for the date. partly cloudy with low 41F
10/17/2011 8:00 AM 0.03 0.0 0.00 0.0 0.00 Increasing clouds and not so warm. High 63F Cloudy overnight with a period of light raind from 6:50 to 7:30 AM MDT this morning. Low 42F
10/18/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Stiff northerly winds all day and mostly cloudy. High 58F Peak gust 27 mph at 9:50 AM. Clearing with diminishing winds overnight and low 34F
10/19/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, cool and windy again with gusts over 20 mph during midday and afternoon. High 60F. Clear overnight and diminished winds with first hard freeze of the season -- low 28F
10/20/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, breezy and cool. High 60. Clear and cool overnight with low 33F
10/21/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear day -- warmer with high 75F. Increasing high clouds overnight with low 36F
10/22/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Broken cirrus clouds, clearing later in the day. High 72. Some mid and high clouds overnight. Low 40F
10/23/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Lovely fall day as leaves are turning and beginning to fall. High 69F. Clear and cool with low 34 F and some frost Standing lenticular clouds to the south
10/24/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Lovely warm, sunny fall day. High 71, low 35F. Becoming overcast overnight with big sheet of standing mountain wave clouds overhead and a gorgeous sunrise.
10/25/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Altocumulus wave clouds gradually diminished by afternoon. Very warm with high 75F. Very mild overnight with low 45F
10/26/2011 8:00 AM 0.93 7.7 1.04 7.5 0.90 Morning sunshine with high reaching upper 50s late morning. Then clouding up and colder with light rain beginning late afternoon turning to snow by 8:30 PM. 0.04" by 8 PM, and remainder fell overnight. Trees heavily burdened by the weight of snow and ice -- some tree damage on campus but CSU open today. Snow board core had more moisture than grass core -- probably closer to true catch as all the gauges were coated with snow several inches tall on the rims.
10/27/2011 8:00 AM 0.21 2.0 0.22 7.0 0.93 Snow continued but most accumulation over by midday. Just a few light flurries afternoon. High 34. Roads mostly snowfree but trees heavily laden and many broken branches. Some streets and sidewalks closed on campus but univ open. Clearing and becoming very cold over fresh snow surface. low 12F with patches of dense ground fog and gorgeous coatings of hoar frost.
10/28/2011 8:00 AM 0.00 0.0 0.00 5.0 0.72 Fog dissipated by mid morning. Then warmed briefly to 44F before quickly cooling off. Some melting but not that much. Snow fell off most tree branches, so it's safer to walk now. Clear with heavy frost overnight. Low 18F
10/29/2011 7:00 AM 0.00 0.0 0.00 2.5 0.64 Clear to partly cloudy. A bit warmer with more melting. High 48F with brisk southerly winds during the afternoon. Partly cloudy with low 26
10/30/2011 8:00 AM 0.00 0.0 0.00 1.3 0.44 Warmed up with some gusty westerly downslope winds in the afternoon. Peak gust 23 mph. Mostly clear overnight with low 28F, heavy frost and just some whispy high cirrus.
10/31/2011 8:00 AM 0.00 0.0 0.00 T M Sunny and very pleasant. High 57F Low 29. Light winds Just a little snow left in shaded areas
11/1/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm and a beautiful day. High 70F Light winds. Low 34 with increasing high clouds.
11/2/2011 8:00 AM 0.80 9.5 0.80 9.5 0.93 Becoming cloudy Tuesday AM and cooler High 44 dropping into the 30s by afternoon. Precip began as rain 6:50 PM but changed to snow by 7:45 PM with strong N winds. Snowed all night but letting up now at 8 AM More broken branches but not nearly as bad as last storm. Low 27F Roads mostly slushy and driving not difficult
11/3/2011 8:00 AM T T M 4.5 0.80 Snow ended by 11:30 MDT and then cleared. High briefly climbed to 40F in sunshine. Then mostly clear and cold overnight with low 12F and some cirrus clouds. Roads all clear, but ground fully snowcovered
11/4/2011 8:00 AM 0.00 0.0 0.00 3.5 M Clear and cool. Not much melting. Light winds. High 43, low 19F Much colder than average for this time of year.
11/5/2011 8:00 AM 0.00 0.0 0.00 2.0 0.52 Mostly cloudy, mid and high clouds, but waremer. Light winds. High 54. Low 27 Bare ground appearing
11/6/2011 7:00 AM 0.00 0.0 0.00 1.5 0.28 plenty of high cloudiness again with thickening clouds afternoon and some rain visible west of station. High 55 with more melting. Becoming windy late afternoon and overnight with peak gust 27 mph at 11 PM MST Then clearing overnight. Low 27F
11/7/2011 7:00 AM 0.00 0.0 0.00 T M Sunny, breezy and cooler High 47. Only about 20% of ground now snow covered so will call it T for depth. Light winds with increasing high clouds overnight. Low 25F
11/8/2011 7:00 AM 0.00 0.0 0.00 T M Cloudy most of day. Storm developing but passing south of us. High 42 F and breezy out of the east much of day. Clearing late and low 26F with frost (have had frost every morning since the recent snow) Still snow in shaded areas
11/9/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear but with wave cloud present along foothills. High 48F Clouds increasing towards sunset but then clearing after 4 AM. Low 21F with frost. Still some snow in shaded areas but most of ground bare
11/10/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny and chilly. High 48F Clear, cold and frosty overnight with low 18F. Still snow patches in shade.
11/11/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, warmer day with light winds and just a few high and mid clouds. High 59. Low 26 with frost
11/12/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. Some standing mountain wave clouds. High 59 Breezy this AM and warming up quickly. Low 33F
11/13/2011 7:00 AM T 0.0 0.00 0.0 0.00 Warm but windy day with 40 mph gust from the SW at 12:10 PM. High 63. Breezy overnight. Brief sprinkle around 9 PM Low 35F
11/14/2011 7:00 AM T 0.0 0.00 0.0 0.00 Partly cloudy and breezy with strong WNW winds developing late afternoon continuing intermittently overnight. High 57. Peak gusts over 30 mph later afternoon and early this AM. Low 34F with winds continuing. Trace rain showers just before 7 PM last night with a wind squall
11/15/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy, windy windy -- all day and most of the night. Peak gust 36 mph at 11 AM out of the west. Mostly sunny day and mostly clear overnight. Low a mild 39 due to the ceaseless downslope winds.
11/16/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy all day again. High 52F with gusts to 31 mph in the early afternoon. Clear again all day and night. Much colder overnight when winds diminished. Low 16F with frost.
11/17/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny cool and still breezy with daytime winds gusting to 25 mph out of the north. High 44. Winds diminished overnight with low 17 and frost.
11/18/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy -- some standing mountain wave clouds. Quite pleasant with only light winds today and high 51F. Clear overnight with low 29F. but quick chinook wind warmup this AM with 48F by 7 AM
11/19/2011 7:00 AM 0.05 1.1 0.05 1.0 0.05 Breezy all day out of the west and much warmer with high 65F and some gusts to 25 mph. Winds shifted to the east overnight and colder A burst of brief heavy snow around 4 AM after cold front arrived. Low 26F Quite a surprise as we were expected high winds, not snow.
11/20/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. High 48 during the day. Partly cloudy and low 24 this AM with 50% cloudcover in the form of stratocumulus with high mountains obscured by clouds and possible snow up over Longs Peak.
11/21/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, cool. light winds. High 46. Heavy frost overnight, low 23F
11/22/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly to mostly cloudy. High 50F. Clearing overnight, low 26 with frost. Very light winds for the entire period.
11/23/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Increasing high thin clouds, but mostly sunny and mild iwth high 56F and very light daytime winds. Partly cloudy overnight with low 29F
11/24/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warm day with scattered mid and high clouds. High 63F. Very light winds again. Scattered high clouds overnight with low 25F and very light morning dew.
11/25/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warm, pleasant Thanksgiving day with mostly clear skies and high 65F. Light winds most of the day but a bit breezy late afternoon. Low 35 overnight but westerly winds after 4 AM and temperatures back up into the 50s . Becoming overcast towards monring with large sheet of standing wave cloud overhead and some blue skies over mtns to the SW-NW.
11/26/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00 Partly cloudy, mild. High 58F with occasional gusty westerly winds. Then a couple of intense squalls moved out of foothills late afternoon into the evening with wind gusts to 30 mph and a period of wind-driven rain just before 6 PM. Strong winds continued from the WNW all night with a low of 28F
11/27/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, but windy and cold. High 47F with wind gusts out of the NW to as much as 25 mph morning and midday then diminishing. Clear and cold overnight with low 17F and some light frost.
11/28/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Beautiful day - sunny and light winds. High 57F Clouds developed overnight -- standing mountain wave clous. Mild with low 28F
11/29/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy -- especially in the AM -- warm downslope winds. High 62F Peak gust 26 mph. Clearing overnight with light winds. Low 25
11/30/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Another beautiful sunny day with light winds. High 54F Increasing mid clouds overnight -- standing mountain wave clouds again. Low 27F
12/1/2011 7:00 AM 0.29 3.6 0.38 3.5 0.31 Partly to mostly cloudy -- mid level and standing mountain wave clouds -- very beautiful clouds with spectacular sunrise and sunset on Wednesday. Stayed very mild into the evening hours. Light rain began before 9 PM and changed to snow by about 9:45 PM. Gusty NE winds. Several inches of snow overnight and still snowing at 7 AM with low 28F Very icy roads this AM with temperatures still falling
12/2/2011 7:00 AM 0.03 1.3 0.04 3.5 M Breezy morning with light snow continuing until midday. Road conditions improved by late morning. High 29F Clearing overnight with dense fog forming and beautiful rime icing on everything Low 10F
12/3/2011 7:00 AM 0.19 4.3 0.21 6.5 0.41 Partly cloudy -- bright sunshine midday with more melting on streets and sidewalks but not on the ground. High 37F. Increasing clouds during evening with light snow beginning around 9:30 PM and continuing at this time -- very dry, powdery snow makes everything quiet and beautiful
12/4/2011 7:00 AM T 0.1 T 4.5 0.41 Very light snow Saturday AM. Then mostly cloudy and cold with daytime high 30F falling by late afternoon down to 20F by 7 PM and 12F by around midnight with partial clearing. Then clouds increased again to overcast this AM and temperatures warmed a bit into the upper teens. Very wintery looking grey sky.
12/5/2011 7:00 AM 0.00 0.0 0.00 3.5 0.35 Partly cloudy, chilly. High 33 Scattered clouds this AM -- like upslope low stratus moving in. Low 5F.
12/6/2011 7:00 AM T T M 3.0 0.32 Very nippy day. Morning snow shower around 7:30 AM. Then clearing but very cold High 13F with brisk SE winds. Clear overnight with low -5F and heavy frost
12/7/2011 7:00 AM 0.00 0.0 0.00 3.0 0.30 Mostly clear day. Some warmup but no melting and nearly calm all day. High 29F. Not so cold overnight with low 12F
12/8/2011 7:00 AM 0.00 0.0 0.00 2.5 0.30 Clear day and much warmer. A little meting. High 44F. Increasing clouds overnight and cloudy by 7 AM -- looks like snow. Low 19F
12/9/2011 7:00 AM 0.00 0.0 0.00 2.0 0.43 Not sure why the SWE was higher today. Cloudy early -- some morning flurries in vicinity. Then clearing late morning. High 36F Clear overnight with dense ground fog developing and visibility only about 300 yards -- much rime icing, too. Low 18F
12/10/2011 7:00 AM 0.00 0.0 0.00 2.0 0.30 Fog persisted until late morning. Then bright and clear but hazy sky. High 34F. Clear overnight and low 13F with heavy frost
12/11/2011 7:00 AM 0.00 0.0 0.00 2.0 0.29 Totally clear day with light winds. High 44F. Clear with heavy frost overnight. Low 11F and nearly calme
12/12/2011 7:00 AM 0.00 0.0 0.00 1.5 0.31 Partly cloudy and very pleasant with light winds, some mid and high clouds (including some mtn wave clouds). High 47F Just scattered high clouds overnight. Low 16F with frost.
12/13/2011 7:00 AM 0.00 0.0 0.00 1.5 0.37 High thin broken to overcast cirrus, clearing later in the day. Hi 42F with light winds Dense fog developed overnight. Low 17F with riming and visibility less than 1/4 mile
12/14/2011 7:00 AM 0.00 0.0 0.00 1.5 0.30 Fog cleared by mid morning. Then clearing. Light winds and high 35F. Some clouds and fog again overnight with low 20F and frost this AM
12/15/2011 7:00 AM 0.00 0.0 0.00 1.0 0.23 Sunny day and much warmer with high 49F -- warmest this month. Clouds and breezes increased during the evening. Then clearing towards morning. Low 20F with light frost
12/16/2011 7:00 AM 0.00 0.0 0.00 0.5 M Cloudless sunny day. Cool but pleasant with high 40F. Clear night with frost and light winds. Low 17F
12/17/2011 7:00 AM 0.00 0.0 0.00 T M Clear day. Breezy midday and afternoon with gusts to 19 mph from the south. High 40F. Clear and frosty overnight. Low 15F Now less than 50% of ground snowcovered although plenty of snow remains in shaded areas.
12/18/2011 7:00 AM 0.00 0.0 0.00 T M Gorgeous sunny day with light winds. About 40% of ground still snowcovered with 3" still in the shade. High 45F Low 17F Heavy frost this AM
12/19/2011 7:00 AM 0.00 0.0 0.00 T M Warmest day of the month by far with high 55F, scattered high clouds and very light winds. Mild overnight with mid and high clouds and low 27F. Only snowcover remaining is in shaded areas.
12/20/2011 7:00 AM T 0.1 M T M Cloudy day and much cooler -- stratus upslope clouds and very light intermittent snow from mid morning to mid afternoon. High 33F with northerly winds gusting to 17 mph midday. Clearing by midnight. Light winds overnight Low +14F
12/21/2011 7:00 AM 0.00 0.0 0.00 T M Clear, nice day with light winds. High 43, low 16F
12/22/2011 7:00 AM 0.28 4.4 0.32 4.5 0.36 Increasing clouds, wintry sky. Snow virga afternoon with a little snow shower about 5:30 PM High 38F Cold front and wind shift during evening with NE winds gusting to 20 mph diminishing overnight. Snow began around 8:45 PM and continued overnight -- still snowing at 7 AM Low 21F
12/23/2011 7:00 AM T T M 4.0 0.29 Light snow tapered off ending by 8 AM. Cloudy and cold. High 25F Clearing during evening and temperature dropped to 0F. -- second coldest night of the winter
12/24/2011 7:00 AM 0.00 0.0 0.00 3.0 0.23 Bright cloudless day with temperature climbing to 39F with light winds. Main streets now cleared and dry but sidestreets remain snowpacked. Clear night with light winds and low +8F
12/25/2011 7:00 AM 0.00 0.0 0.00 3.0 0.29 Partly cloudy on Saturday with cirrus clouds. High 43. Clear and cold overnight. Low 11F. A beautiful and frosty snowcovered Christmas morning
12/26/2011 7:00 AM 0.00 0.0 0.00 2.0 0.24 Sunny, with near average temperatures for this time of year and light winds for Christmas day with most areas still covered with snow. High 43F.n Some increasing mid and high clouds overnight with low 14F and frost. Some winds picking up at obs time
12/27/2011 7:00 AM 0.00 0.0 0.00 2.0 0.23 Mostly sunny, warmer. High 50F with some melting -- more bare ground showing. Moderate winds during evening becoming light. Low 17F with morning frost
12/28/2011 7:00 AM 0.00 0.0 0.00 1.0 0.23 Very light winds most of day. Sunny and clear. High 48F Brief burst of winds around sunset gusting to 21 mph from the NW Clear with a few high clouds overnight. Low 22
12/29/2011 7:00 AM 0.00 0.0 0.00 T M Partly to mostly sunny with standing mountain wave clouds most of the day. Very warm with high 57F with moderate breezes and rapid melting. Then the downslope winds (chinooks) that have been absent all month arrived overnight Low 38 but temperatures in the 50s much of the night after midnight and rapid loss of remaining snow. Several wind gusts over 30mph here on campus
12/30/2011 7:00 AM 0.00 0.0 0.00 T M Windy, partly cloudy and warm all day. High 59F. Peak gust 40 mph out of the NW around 12:30 PM Remained fairly windy overnight -- Low 33F but often warmer with downslope winds. Old snow nearly gone now.
12/31/2011 7:00 AM 0.00 0.0 0.00 T M Winds diminished and a nice day with high near 50F and some mid and high clouds and standing mtn wave clouds. Low 28 around midnight but then chinook winds arrived again with gusts to near 30 mph around 3 AM and temperatures back up in the mid 50s overnight. Cold fron arrived after 5:30 AM with snow squalls visible over foothills in dawn's light and more strong winds here.
1/1/2012 7:00 AM 0.00 0.0 0.00 T M Very windy day. Partly cloudy but with plenty of sunshine. Clouds mostly shrouding higher mtn peaks during the day. High 41F. Winds diminished after sunset. Low 16F with frost Peak wind gust on Sat. was 43 mph from the NW around noon. Patches of snow remain but only in very protected shaded areas
1/2/2012 7:00 AM 0.00 0.0 0.00 T M Mostly sunny and cool with just a few mid and high clouds. High 37F. Clear, cold, calm and frosty overnight with low 13. Just scant amounts of snow remaining here on campus.
1/3/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Nice day. High 50. Mostly clear with just a few cirrus. Light winds. Clouds increased overnight -- mostly mountain wave induced. Low 23F Incredibly intense illumination for sunrise
1/4/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, mild. High 58F with mostly midlevel mountain wave-related clouds. Some afternoon downslope winds gusting to 20 mph. Clear overnight. Moderate southerly winds around midnight becoming light. Low 19F with some frost.
1/5/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. Warm with just scattered high clouds during the day and light winds. High 57F Clear overnight with low 23F
1/6/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. Near record warmth with high 66F. Beautiful sunset with standing lenticular clouds. Warm chinook winds overnight with temperatures near 60F at times but a low of 40F during lulls. Gusts to 21 mph
1/7/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, cooler with high 45. Partly cloudy becoming overcast by morning. Low 23F
1/8/2012 7:00 AM T T M 0.0 0.00 Cloudy day with chilly northerly winds in the afternoon. High 43. Some afternoon snow flurries with no accumulation. Then clearing, light winds, cold and frosty overnight with low 14 as of 7 AM but still dropping
1/9/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, cool and light winds. High 42. Clear overnight with morning frost. Low 17F
1/10/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Mild with very light winds. High 53F Clear and calm overnight with low 20F and light frost
1/11/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning, increasing clouds and very mild with light winds and high 59F Cold front moved through overnight with northerly winds gusting to 30 mph. Possibly a few snowflurries, but we did not see them. Low 24F and blustery
1/12/2012 7:00 AM T T 0.00 0.0 0.00 Cold and blustery with a few snow flurries, especially around 9 AM More flurries visible west and south of us. High 28 with many wind gusts over 25 mph. Clearing with low 7F but warmed abruptly to near 30F with onset of NW winds just after 6 AM today
1/13/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Unsettled day with partly to mostly cloudy mid and high clouds and periodic winds gusting to over 20 mph at times High 46F Remained cloudy and breezy overnight with low 24F and no frost.
1/14/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 More standing wave clouds, especially in the AM. Then partial clearing. Again, gusty at times with peake gust 25 mph from the WNW at 3 PM Partly cloudy -- mostly high clouds, overnight with low 24F and no frost
1/15/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy mid and high clouds and lenticulars. High 58F. Light winds during day. Clouds continued overnight and mild low 27 but milder during periods of light downslope winds. Brilliant sunrise with standing wave clouds still present this AM
1/16/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy. High upper 40s but temp rose to 51F around midnight with a burst of downslope winds. Then clearing and low 23F and the arrival of a cold front overnight with some upslope clouds starting to develop this AM
1/17/2012 7:00 AM 0.03 0.8 0.04 0.5 0.02 Chilly day with high low 30s. Then a burst of late afternoon snow. Clearing and cold night with low +7F
1/18/2012 7:00 AM 0.00 0.0 0.00 T M Partly cloudy and chilly, High 29F Cold evening with low 15F but then strong downslope winds gusting to 35 MPH raised temperatures overnight.
1/19/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy all day with gusts to near 30 mph both during the day and overnight. High 48, low 39F
1/20/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Very mild -- High 63F with wall of clouds up over high mountains all day. Windy at times and winds became especially strongo after 3 PM with gusts out of the NW to 35 mph. Low a mild 40F with chinook winds
1/21/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy all day with gusts to 35 mph from the west. Hight 56F winds diminished overnight with low 23F
1/22/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny/partly cloudy and nice with high 57F until strong SW winds kicked up late afternoon. Peak gust 34 mph. Strong winds again this AM with low 33F
1/23/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 High upper 40s, low 17F
1/24/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly to mostly cloudy. High 46F, low 28F
1/25/2012 7:00 AM T T M 0.0 0.00 Some morning flurries around 8 AM. Otherwise partly cloudy and cool. High 40s, low 16F with heavy frost
1/26/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warmed up really fast -- HIgh 65F Low 26F
1/27/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Pleasant. High 52F. Strong downslope warm winds during the evening and overnight gusts to about 30mph. Low 24F
1/28/2012 7:00 AM 0.04 0.2 M T M Morning snow, partially melting on contact. Daytime high only in the 30s. Clearing with low 13F
1/29/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Hi low 40s. Low 23
1/30/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Very mild. High 62F. low 27F
1/31/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Mild Partly to mostly cloudy with wave clouds. Some gusty winds overnight. High 58F, low 25F
2/1/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy but gradually clearing. High 47. Chilly with morning frost. Low 21F
2/2/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, mild and breezy. High 50F. Mostly cloudy by morning with low 28F
2/3/2012 7:00 AM 0.41 7.6 0.54 6.5 0.56 Partly to mostly cloudy. High 45. Clouds thickening and lowering late afternoon. Gusty northerly winds began early afternoon gusts to 25 mph. Snow began about 6:30 PM and then fell heavily from 7 - 11 PM and lighter after that. Breezy, too.
2/4/2012 7:00 AM 0.17 3.1 0.15 9.0 0.69 Light snow until 9:30 AM then continued again after 12:30 PM about 1.5" during the day. and then more during the evening when roads iced up again. Very wintery but not too cold. High 34, low 23F
2/5/2012 7:00 AM 0.00 0.0 0.00 6.0 0.64 Cloudy morning. Then partial clearing during the afternoon and more thawing on city streets. Cool with high 36.5F. Light winds. Clearing overnight with low 16.5 with some light frost.
2/6/2012 7:00 AM 0.00 0.0 0.00 4.5 0.61 Mostly sunny day with light winds. High 38F wish some compaction of snow. Light winds with low 10F overnight
2/7/2012 7:00 AM T 0.3 T 4.0 0.65 Mostly cloudy and becoming breezy in the afternoon. High 43F Becoming cloudy overnight with a period of light snow before morning. Low 22F
2/8/2012 7:00 AM 0.00 0.0 0.00 4.0 0.60 Cloudy morning, then decreasing clouds midday and increasing again late afternoon. Cold with high 29F Cloudy and cold overnight with low 12F
2/9/2012 7:00 AM 0.00 0.0 0.00 3.5 0.60 Partly cloudy, light winds and nice day with high 42F. Clouding up again later and overnight. Low 21F
2/10/2012 7:00 AM 0.00 0.0 0.00 3.0 0.53 Cloudy morning, clearing afternoon. Warmed to 45F. Increasing northerly winds gusting to 20 mph midafternoon and then diminishing. Clearing overnight with low 16F. Some bare patches showing up now as there was some melting yesterday
2/11/2012 7:00 AM 0.10 3.3 0.11 6.0 0.64 Increasing clouds with wintry sky by afternoon. High 40F. Easterly winds developed and increased with some occnl light snow after 2:45 PM. Only slight accumulation by 7 PM but then it snowed considerably during the late evening ending sometime overnight Low 9F. with very light snow still falling Roads became snowcovered last evening.
2/12/2012 7:00 AM T T M 5.0 0.72 Cold, cloudy day with some light flurries Sat morning. Daytime high 21F. Partial clearing overnight. Low 5F with fog forming and layer of freezing fog on trees, etc this AM. Cirrostratus thickening already this AM as another storm approaches.
2/13/2012 7:00 AM 0.00 0.0 0.00 3.5 0.76 Mostly cloudy and cold day with high 30F. Mostly to partly cloudy overnight with low 17F. Recent fluffy snow continued to compact. SWE has continued to increase even without precipitation
2/14/2012 7:00 AM 0.00 0.0 0.00 2.5 0.46 Decreasing clouds and warmer. Breezy afternoon with melting snow. High 46. Partly cloudy overnight. Low 24F
2/15/2012 7:00 AM T 0.0 0.00 2.0 0.48 Mostly cloudy with mid and high clouds again. Very light winds. Mild with high 43F A few late afternoon rain sprinkles noted. Cleared overnight but increasing clouds again towards morning. Low 24F with frost. Getting close to 50% of ground bare -- but not quite
2/16/2012 7:00 AM 0.00 0.0 0.00 1.5 0.36 Partly cloudy, chilly and breezy with high 36F and southerly winds gusting to 21 mph during the afternoon. Clearing overnight and low 17F with heavy frost.
2/17/2012 7:00 AM 0.00 0.0 0.00 1.0 M Clear day. Light winds High 41F. Last day for reporting measurable snow depth as 50% of ground now bare here on campus. Shaded areas still have about 4" of icy snow. Clouding up overnight -- mid and high clouds. Low 17F with frost.
2/18/2012 7:00 AM 0.00 0.0 0.00 T M Overcast day. Temperatures briefly reached 42F during the afternoon. Humidity increased. Some very light precip. noted in parts of town around 6:30 PM but nothing noted here on campus. Clearing late with heavy frost. Low 17F Snow patches remain in all shaded and protected areas --about 30% of undisturbed areas still snowcovered.
2/19/2012 7:00 AM 0.00 0.0 0.00 T M Nice day. High 43 with light winds and sunshine. More melting on campus. Only about 25% of ground now snowcovered. Increasing clouds and overcast by morning. Low 24F with light frost
2/20/2012 7:00 AM T T M T M Partly cloudy. High 46. Increasing clouds and becoming windy overnight with gusts to near 25 mph. Low 28F with a brief morning snow shower around 5:30 AM
2/21/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny to partly cloudy. Windy from the NW with daytime gusts around 25 mph. Partly cloudy with diminishing winds overnight. Low 27F and no frost
2/22/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy mid and high clouds. Warmer with high 53F. Becoming windy late morning with gusts to 31 mph. Westerly winds continued all night keeping temperatures warm. Low 45 was a new record high minimum temperature for the day shattering old recored by 6 degrees F Wind gusts near 30 mph at times overnight
2/23/2012 7:00 AM 0.05 0.4 0.02 0.4 0.05 Partly cloudy, windy all day and very warm with high 60F and peak gust 45 mph from the west at 2:20 PM Then sharp cold front arrived just afternoon with a squall of wet snow 38 mph northerly wind after frontal passage. Low 29. Roads OK this AM but snow accumulated elsewhere. Big snowstorm around Denver but not here (NWS 8" gauge 0.04")
2/24/2012 7:00 AM T T M T M Cloudy, cold and blustery with stiff northerly winds occasionally over 20 mph. Hi 35F with a snow flurry around 4:30 PM Then clearing and diminshing winds overnight and low 21F
2/25/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly clear with light winds for a change. Cool with high 42F. Clear, cold and heavy frost overnight Low 17F
2/26/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning and increasing cumuluform clouds afternoon. High temperature shot up to 62F. Winds increased and gusted to 37 mph from the W just before 5 PM. Continued windy at times overnight. Still breezy this AM. Clear overhead but clouds still shroudning high mountains to the west. Low 25F
2/27/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cold, blustery partly cloudy day. Wind gusts to 37 mph from the NW during the morning gradually diminishing. High 40F. Calming with low 16F overnight
2/28/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Very nice day. Sunny with High 47F with light winds. Low 24F
2/29/2012 7:00 AM T T M 0.0 0.00 Cloudy and stormy looking. A period of snow mid morning melted as it landed. Becoming quite breezy during the afternoon with heavy clouds over high mountains. Hgh 43F. Low 28F with continued moderate winds gusting to 20+ mph at times.
3/1/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, breezy and warmer. High 58F. Low 29F
3/2/2012 7:00 AM T T M T M Partly cloudy and blustery. Convective afternoon sky with snow showers. Only a trace here mid afternoon, but more south of here. Wind gusts to 25 mph at times. High 43F. Clearing and very chilly overnight with low 15F
3/3/2012 7:00 AM T T M 0.0 0.00 Cold, breezy, cloudy and unsettled with some snow flurries around 2 PM. High 37F Winds gusted over 20mph at times. Clearing during the evening and quite cold. Low 17F
3/4/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 PC - mostly sunny at times with mid and high clouds. Clouds over high peaks SW most of the day. High 52F with winds gusting to 25 mph during the day. Remained breezy and mild overnight. mid 40s after midnight but eventually cooled to low 31F No frost. Beautiful sunrise with mid and high clouds and some standing lenticulars.
3/5/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny warm day. High 65F. Mainly clear overnight with very dry air in place. Low 25F with light frost
3/6/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm and windy. High 69F with afternoon gusts to 24 mph.
3/7/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Warm day with extremely low humidity. Becoming windy with SE wind gusting to 32 mph at noon. Increasing clouds and turning colder. Low 27F with overcast upslope stratus clouds this AM
3/8/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy morning decreasing clouds afternoon. High 36F Cold frosty am with low 18F
3/9/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Clear day, cool and light winds High 50F. Clear night, bright moon and light winds. Low 19F with morning frost
3/10/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudless day. High 61 light winds. Clear night. low 22 with light frost.
3/11/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Time change this AM. Clear and warmer. High 68F with increasing humidity. Increasing clouds and overcast by AM with clouds brushing the tops of the foothills. Low 38F
3/12/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 partly cloudy. Breezy in the afternoon. High 67F. Becoming mostly cloudy overnight with low 39F
3/13/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy morning, clearing midday. Mostly light winds and pleasant. High 68F Increasing cirrus overnight. Low 32F
3/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy with mid level clouds. Very mild with high 74F and afternoon winds gusting to 24mph. Clearing overnight with low 35F
3/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny, unseasonably warm and dry. Gusty afternoon winds to around 25mph. High 73F. Thickening cirrus deck with low 45F
3/16/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Morning clouds cleared quickly. Nice day, low humidity. High 71F and low 36F
3/17/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy mid and high clouds Breezy High 72F. Light winds overnight. Low 35F
3/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, warm and breezy. High 75 Low 34F
3/19/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny mild morning. High 71. Becoming very windy midday out of the SSE with winds peaking before 6 PM -- gusts to over 40 mph and periods of reduced visibility in blowing dust. Convective clouds late afternoon, too -- eirie sky but no precip. Periods of gusty winds continued overnight with winds shifting to SW and W Low 33F. Still hazy from dust in the air this AM
3/20/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Windy morning 28 mph gust from the south at 11 AM Increasing clouds with major virga mid to late afternoon but no precip and winds shifting to northerly. High 54F. Clearing overnight. Low 33F and breezy at times
3/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear but with increasing high clouds late. Breezy afternoon. Cool with high 55F. Clearing afternoon midnight Low 26 Very low humidity
3/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, mild and breezy. High 67 Clear night. low 33F
3/23/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, some high thin cirrus. Breezy afternoon with 4 PM gust to 23 mph from the east. Clear to partly cloudy with low 32F and some frost
3/24/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny, unseasonably warm weather continues. Hi 76F Breezy afternoon, mild evening. Low 37F
3/25/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny warm day. Becoming windy from the E during the afternoon. High 75. Increasing high clouds and humidity with moist, fragrant air overnight and some dew. Low 38F
3/26/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy/cloudy thick cirrostratus High 69F. Clouds persisted overnight -- turned into large sheet of standing Altostratus wave cloud. Low 38F
3/27/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cool, cloudy morning with fairly high humidity. Then clearing midday followed by strong, dry southerly winds in the afternoon gusting to 36 mph around 3:40 pm our the SSW. Some reduction in visibility with dust in the air. Temperature shot up to record high for the day and tied record for the month -- 81F Then winds shifted to northerly -- and then changeable direction overnight Low 41. Mostly sunny with just some high thin cirrus this AM
3/28/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 increasing mid and high clouds -- standing wave clouds during the day. High 70F. Partly cloudy with cirrus persisting overnight. Low 38F
3/29/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm and breezy with very low humidity again. High 75F Increasing clouds overnight and patches of lower-based strato cumulus this AM Low 47F
3/30/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm, dry March continues. High 72 low 41 with scatterd to broken mid and high clouds at times
3/31/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear until high clouds moved in quickly during the afternoon. Warm with high 77F. Hi clouds persisted overnight with some increase in humidity. Low 44F
4/1/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm, sunny day with some high clouds and moderate afternoon breezes gusting over 20 mph. High 80F tied the all time record for the date. Low 45F with beautiful wisps and patches of cirrus. Lilacs here at the campus weather station are leafing out and the buds are full -- soon to begin blooming
4/2/2012 8:00 AM T 0.0 0.00 0.0 0.00 Sunny, breezy (gusts over 20 mph at times) and unseasonably warm with a new daily record high of 82F Winds shifted to northerly overnight with increasing humidity and a wisp of drizzle/sprinkles beginning about 7:40 AM MDT this AM Low 45F with dense low clouds and brisk northerly winds this AM
4/3/2012 8:00 AM T T M 0.0 0.00 Cloudy, windy and very chilly. Northerly winds over 20 mph at times. High 46F Occasional drizzle during the day but becoming mixed with snow pellets by evening. Precip trying but just a trace so far, changing to snow just before the obs this AM. Low 36F
4/4/2012 8:00 AM 0.09 T M 0.0 0.00 Light wet snow during the morning. Some light accumulation but quickly melted by midday. Cloudy until partial clearing late afternoon. High 44F Remained mostly cloudy and unsettled with low 33F overnight with alto and strato cumulus
4/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny, pleasant High 63F with increasing clouds during the day. Some thin cirrus lingered overnight. Low 34 with heavy dew and light frost
4/6/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy warm and breezy -- air quite rich and moist. High 71F Becoming overcast overnight -- mid and high clouds Low 43F with dew this morning
4/7/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny and becoming windy with rapid drop in humidity midday to dewpoint temps down around zero afternoon and evening. High 77F Winds gusted to 34 mph from the West during the evening. Then winds diminished after midnight and low 35F
4/8/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Lovely sunny day with some high cirrus at times. High 61. Clear and cool overnight with low 30F -- coolest in a few weeks. Low humidity so no frost or dew
4/9/2012 7:00 AM 0.00 0.0 M M M
4/10/2012 7:00 AM 0.00 0.0 M M M
4/11/2012 8:00 AM 0.11 0.0 0.00 0.0 0.00 Sunny to partly cloudy and warm with high 75F and low humidity. Very moist air mass pushed in from the east overnight with dew points surging to near 50F and heavy drizzle developing after 2 AM with easterly "Upslope" winds. Low 50F was a record warm min for this date. 0.11" of soaking drizzle in the gauge by 8 AM and continuing lightly.
4/12/2012 8:00 AM 0.04 0.0 0.00 0.0 0.00 Drizzle ended during the morning but remained cool, cloudy, moist and hazy. High 64F. Active convection began during the late afternoon and did have a sprinkle and some distant thunder around 6 PM. Then a quick shower (maybe some lightning visible, too) around 11 PM dropped the 0.04" Then partly cloudy and low 44F -- NPN Cloned lilacs are now blooming but not full bloom yet
4/13/2012 7:00 AM 0.00 0.0 M M M
4/14/2012 7:00 AM 0.00 0.0 M M M
4/15/2012 8:00 AM T 0.0 0.00 0.0 0.00 Morning sunshine and high 62 but convective clouds developed rapidly over the mountains and spread eastward. Cloudy from midday on. NW winds became light but then strengthened again late afternoon. Occasional afternoon sprinkles with much virga and threatening skies. Cooler during the afternoon and a period of rain late evening almost wet the pavement (a strong trace) Then clearing and windy overnight with low 42 and some NNW wind gusts to 22 mph. High mountains obscured by bank of snow clouds this AM to the SW
4/16/2012 8:00 AM 0.06 0.0 0.00 0.0 0.00 Cloudy most of the day, showers in the area during the late morning and afternoon but didn't amount to more than a trace. High 52F. Period of rain sometime overnight accounted for the 0.06" The cleared by AM with low 35F
4/17/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, cool, breezy and unsettled with virga around and some convection to the east and south. High 58. Clearing overnight except for higher cirrus. Low 35F
4/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Scattered to broken cumulus and stratocumulus. Nice temperatures with high 68F and low 39F
4/19/2012 8:00 AM 0.04 0.0 0.00 0.0 0.00 Becoming cloudy High 69F. Period of rain around midnight. Low 45F (need to confirm this rainfall amount with other WX station data)
4/20/2012 8:00 AM 0.02 0.0 0.00 0.0 0.00 Convective and showery. High 66F Westerly winds gusted to 27 mph late afternoon. Several sprinkles but the measurable precip fell near midnight. The clearing with low 35F
4/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny. Few clouds. High 72, low 43F
4/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm, sunny day. High 73. Cloned NPN lilacs are now just past full bloom -- and very densely covered with flowers. Afternoon clouds -- cu and stratocu diminished after dark. Low 40 with very light dew this AM and cloudless skies/light winds
4/23/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny -- some high-based afternoon convective clouds mostly over the foothills. High 74F. Then clearing and light winds overnight with low 40F
4/24/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny and becoming very warm with high 84 setting new record for the date. Some high based convective clouds afternoon Light winds. Clear overnight and low 45F
4/25/2012 8:00 AM T 0.0 0.00 0.0 0.00 Incredibly warm morning with high reaching a record shattering 88F at noon. Then rapid build up and spreading of high-based convective clouds. Pk gust of 28 mph with some convective outflow. Some afternoon thunder. Clearing overnight but mild with low 48F
4/26/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Another warm day -- breezy in the afternoon. Increasing clouds with high clouds giving way to lower clouds afternoon Hi 82F tied record for date. Remained unsettled overnight with low 53 -- also a new record
4/27/2012 8:00 AM 0.05 0.0 0.00 0.0 0.00 Partly cloudy, warm but unsettled. High 80F with increasing clouds and some brief afternoon sprinkles. Some gusty SW winds with gusts to 26 mph. Air moistened during the evening. Lightning to the east at sunset and then some thunder and lightning during the evening with a rain shower after 9 PM Still cloudy this morning with low 51 and northerly winds
4/28/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy in the AM and then partially clearing by later morning with just scattered afternoon clouds. Cooler with high 69F Becoming windy from the west midday with winds continuing afternoon and evening and then spiking early morning with peak gust of 38 mph around 4:50 AM this morning
4/29/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear day until mid afternoon. Then became cloudy with virga and chilly easterly breezes shifting to northerly in the evening. High 61. Clearing overnight. Low 35F
4/30/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Seasonally cool. High 66 and low 35F
5/1/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny morning, increasing mid and high clouds afternoon becoming overcast by evening. High 79F Low humidity. Continued mid clouds overnight Low 45F
5/2/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy, warm. Some afternoon high-based convective clouds and some gusty winds. High 78F High clouds overnight and low 50F
5/3/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Scattered to broken clouds including some convective clouds with virga in vicinity -- but not precip here. Windy at times. High 77F Clearing overnight Low 45F
5/4/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy with some afternoon convection mostly to the east. High 81F. Breezy at times. Clear overnight. Low 47F
5/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Almost perfectly clear and very dry and warm. High 87F (3 degrees short of all time record for date). Breezy at times -- near 20 mph. Clear and mild overnight. Low 50F with rapid increase in dew point and some morning dew.
5/6/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Humid in the AM and then becoming hot and dry afternoon with high 84 and partly cloudy. Sharp windshift and cool front after 5 PM with very active convection NE spreading to the SE and S. Lightning at dusk until after 10 PM. Windy with peak gust 29 mph from the N at 10:20 PM. Continued breezy with low 44 and no dew
5/7/2012 8:00 AM 0.60 0.0 0.00 0.0 0.00 Sunny morning. Becoming breezy with increasing clouds after noon. High 62F. Clouds lowering and first sprinkles began by around 4:30 PM Steady moderate rain by evening with 0.14" by 8 PM. Rain continued then let up around midnight but began again around 4 AM and still raining nicely this AM Much, much needed. Grass already has greened up.
5/8/2012 8:00 AM 0.09 0.0 0.00 0.0 0.00 A good steady rain Monday AM tapered off and ended by 11:30 AM Remained cloudy and chilly with some peeks at the sun during the afternoon and high 50F Clearing overnight -- close to having a frost with low 35F but just a very heavy dew here.
5/9/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear and comfortably cool. HI 67F with increasing high cirrus. Clearing late. Low 38F with dew
5/10/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, warm and dry. Still green from the Monday rain, but ET rates are high now so it won't last long. High 80F. Clear and cool and calm night, low 42F
5/11/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, dry day but increasing high-based convection during afternoon and overcast with virga by evening. High 85. Then a stiff north wind and much colder. 43F and low overcast by morning.
5/12/2012 8:00 AM 0.06 0.0 0.00 0.0 0.00 Cold, dark cloudy day. A bit brighter midday and then an early afternoon trace shower even had some slush in it on the far west side of town. High 47F. Period of rain during the evening looked good but didn't amount to much. Then cloudy and chilly with low 37F Dry pavement this AM
5/13/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Another dark, cloudy, chilly day -- not so good for the last day of graduation ceremonies here at CSU. A few mid afternoon and early evening trace showers. High 50F. Cloudy, damp and cool with low 39F and dew despite low stratus clouds.
5/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Decreasing clouds and pleasant spring day. High 64, low 37F
5/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Nearly cloudless day, much warmer. Light winds but very low humidity. Smoke plume with pyrocumulus appeared after 1 PM as a forest fire erupted near Poudre Park. High 81F, low 46F
5/16/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny, some high based convection. Smokey to the west at times from fire. High 80F. Some gusty later afternoon winds. Increasing clouds overnight -- mostly mid clouds
5/17/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Very warm and dry. Some high based afternoon convection and virga. High 86F Pyrocumulus from forest fire NW of Ft Collins during the afternoon. Smokey sky this mornng Low 49F
5/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm day. Active high-based afternoon convection. Rapid spread of wildfire NW of Fort Collins with smoke and some pyrocu in the afternoon. High 80F Partly cloudy Low 49F
5/19/2012 8:00 AM 0.22 0.0 0.00 0.0 0.00 Warm -- hazy from forest fire smoke. Considerable afternoon and evening clouds with some gusty winds. High 84. Lighting to the SW after dark. Then awoke to early AM thunderstorm 4- 5 AM with nearby thunder and a period of heavy rain -- then cloudy with occasional light rain until observation Low 47F
5/20/2012 8:00 AM 0.03 0.0 0.00 0.0 0.00 Chilly damp morning with light rain until about 10 AM. Then partly to mostly cloudy Winds diminished High 63F with a few afternoon sprinkles. Clearing overnight Low 40F with heavy dew.
5/21/2012 7:00 AM 0.00 0.0 M 0.0 M
5/22/2012 7:00 AM 0.00 0.0 M 0.0 M
5/23/2012 7:00 AM 0.00 0.0 M 0.0 M
5/24/2012 7:00 AM 0.68 0.0 M 0.0 M
5/25/2012 7:00 AM 0.01 0.0 M 0.0 M
5/26/2012 7:00 AM 0.00 0.0 M 0.0 M
5/27/2012 7:00 AM 0.00 0.0 M 0.0 M
5/28/2012 7:00 AM 0.00 0.0 M 0.0 M
5/29/2012 7:00 AM 0.00 0.0 M 0.0 M
5/30/2012 7:00 AM 0.00 0.0 M 0.0 M
5/31/2012 7:00 AM 0.00 0.0 M 0.0 M
6/1/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Comfortable day. Clear morning and some afternoon clouds. High 73F Partial clearing and cool overnight. Low 48F
6/2/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some convective clouds and afternoon virga. High 80F Mostly clear overnight with a few morning cirrus. Low 50F
6/3/2012 8:00 AM 0.02 0.0 0.00 0.0 0.00 Clear morning but convective afternoon with short rain shower around 3 PM. High 77F. Low 50F with fairly moist air with morning dew.
6/4/2012 8:00 AM T 0.0 0.00 0.0 0.00 Unsettled with afternoon convection and some thunder later afternoon with sprinkles High clouds persisted overnight High 86F, low 51F
6/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny and becoming hot with low humidity. High 92F High clouds increased afternoon and persisted overnight Windy afternoon and evening from the south with peak gust of 28 mph. Low 55F
6/6/2012 8:00 AM T 0.0 0.00 0.0 0.00 Some high based afternoon convection. High 86F with some gusty winds. Clearing ovenight. Low 57F
6/7/2012 8:00 AM T 0.0 0.00 0.0 0.00 Surge of humidity and very active convection afternoon and evening with lots of lightning and thunder to our east. High 87F. Storms continued to the east during evening. Then remained moist and cloudy overnight. Low 57F
6/8/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 cloudy morning, then partial clearing. High 83F Very active evening lightning show NE of town, but nothing here. Then clearing Low 57F
6/9/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear and warm with some mid and high clouds afternoon High 89F. Low 55F
6/10/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Smoke from fire NW of Fort Collins increased rapidly during the day. Hot and dry with high 93F. Smoke with some falling ash overnight. Low 55F
6/11/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Forest fire raged yesterday in foothills just W and NW of Fort Collins. Very dense smoke and falling ash at times. Strong winds continued overnight shifting from W to N by morning. High 81, low 51
6/12/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Fire just across Horsetooth reservoir during the day. Smoke plume mostly blowing off to our north today. Cooler. High 77F Cool night with low 48F but dense smoke over most of the city this morning.
6/13/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 high 81F Very smokey especially overnight. Fire continues Large areas affected and many foothills homes have burned. A huge fire fighting effort now underway -- planes, helicopters and over 1000 ground crew Low 48f
6/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 City shrowded in smoke this AM but cleared a bit during afternoon. Hot but not quite as dry with some afternoon convective clouds. High 92F Clearing and light winds overnight with smoke gathering again. Low 58F
6/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy day with some high based convective clouds and virga. Some smoke in the AM but dispersed afternoon. High 84 with low humidity. Fire continues to our W and NW Clearing late. Low 61F
6/16/2012 8:00 AM T 0.0 0.00 0.0 0.00 Clear morning but afternoon high-based convection. Few sprinkles and rumbles of thunder. High 86F Mostly cloudy overnight with increasing humidity. Low 59F
6/17/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 A bit cooler and more humid with some afternoon convection and thunderheads to our south. High 78F Clear overnight with relatively humid air. Low 52F Fire still burning but mostly on west side
6/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot, dry and windy with much more fire activity and smoke to our west and NW. Even darkened the sky over Fort Collins during part of the day High 94F Winds diminished overnight and partly cloudy. Low 55F
6/19/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny and very hot High 99F But not as windy as expected. Fire continued to burn but not excessively. Smoke in the AM but dispersed and blown northward during the day. Remained very warm until midnight but then cleared with low 56F and low humidity.
6/20/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny, hot and breezy. High 93F. Some high based clouds and smoke plume from fire clearly visible during afternoon but did not make it into town. Cleared overnight with low 57F Cold front arrived overnight with increased humidity and lower clouds near foothills by sunrise
6/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy morning and much cooler and more humid. Partly cloudy day -- stratocumulus relatively low based But no threat of precipitation. High 75F Clear overnight. Low 57F No forest fire smoke today but some visible way up into the mountains during afternoon
6/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny, warm dry day but relatively little forest fire smoke visible until later afternoon. High 88F. Clear night with light winds. Low 54F
6/23/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Very hot and dry again with breezy afternoon and low humidity. Wild fire exploded again WNW of Fort Collins with huge afternoon and evening smoke plume and pyrocumulus. High 97F. Smoke settled in over the city this morning with low 55F
6/24/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Very hot dry and breezy with afternoon wind gusts to 25 mph. High reached 100F -- hottest in several years. Wildfire continued to rage west of Fort Collins with huge afternoon and evening smoke plume with pyrocumulus clouds at times. Overnight winds became light and smoke settled in over Fort Collins with visibility about 2 miles this morning -- sun visible but partially obscured and also some cirrus clouds overhead -- I think Low 59F Total Precip since Jan 1 only 2.90" -- nearly 6 inches less than average. ET rates very high
6/25/2012 8:00 AM 0.14 0.0 0.00 0.0 0.00 Very hot day. High 101F Thunderstorm developed to our south during evening and brought a brief downpour around 9:30 PM. Some small hail in parts of town but no evidence here. Clearing overnight but quite smokey again (see and smell) with low 62F
6/26/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Blistering hot day. High 102F Some high based afternoon convective clouds with virga and gusty winds but no rain Clearing overnight. Low 64F
6/27/2012 8:00 AM 0.02 0.0 0.00 0.0 0.00 Heated up fast but then convective clouds formed early and we did not reach 100F as forecast. High 98F Our nearby fire is now nearly fully contained with very little smoke, but fires erupted near Boulder from lightning (we could smell the smoke during the evening) and crazy firestorm swept into NW Colorado Springs late afternoon burning hundreds of homes. Remained cloudy and stayed warm overnight Low 64F
6/28/2012 8:00 AM 0.25 0.0 0.00 0.0 0.00 Active midday convection with thunder, some light showers and one downpour. High 94F and then refreshingly cooled by the shower back into the 70s for the rest of the day. Clearing with comfortable low of 57F
6/29/2012 8:00 AM 0.18 0.0 0.00 0.0 0.00 Had been on pace for driest June and driest Jan-Jun in 124 years, but 3 straight days of afternoon showers with thunder. High 93F before afternoon showers got started around 2 PM. Then comfortable afternoon. Clearing overnight Low 57F but some morning smoke -- likely from Colorado Springs fire that still is burning. Keen interest in climate these days with the heat, drought and fires. Many calls and requests at the office.
6/30/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot, sunny morning, increasing convective clouds afternoon and evening. Some virga. High 96F Some dispersed hazy smoke. Partial clearing overnight. LOw 61F
7/1/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot dry day but some midday and early afternoon convective clouds around. High 94F with light winds. Clear to partly cloudy overnight. Low 60F
7/2/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear to partly cloudy, hot and dry but increasing humidity overnight. High 98F, low 62 with light breezes
7/3/2012 8:00 AM T 0.0 0.00 0.0 0.00 Hot (high 95F)and very smokey day -- smoke apparently from fires in Wyoming. Some late-day convection with trace shower and some audible thunder around 7:30 - 8 PM Clearing overnight and low 62F
7/4/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some convection and audible thunder around 2 PM with wind gust to 28 mph High 94. Some CI lingered overnight with low 60F
7/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hazy, smokey hot dry 4th of July. High 96F with light winds. Mid and high clouds persisted overnight and temperature stayed really warm -- low 69F
7/6/2012 8:00 AM 0.04 0.0 0.00 0.0 0.00 Morning sunshine, Temp reached 92 f --14th day in a row over 90F (tied 124 year old record here) then active convective activity over the mountains visible. T-storm moved up from the south late afternoon with a period of rain and active closeby lightning and thunder for about an hour beginning about 5:15 PM Clearing overnight with low 62 But air now very moist
7/7/2012 8:00 AM 1.00 0.0 0.00 0.0 0.00 Humid warm day. High 85 but dew points near or above 60F at times. T-storms visible over mountains, and reports of flash flooding and debris in the Poudre canyon. Storms migrated towards us with rain beginning about 4:30 PM and then redeveloped with a thunderstorm a bit later and more rain and thunder late evening around 11 PM Rainfall totaled exactly 1.00" in the NWS 8" diameter gauge, but only 0.94" in the 4" diameter gauge and 0.89" in the Wedge gauge. Quite a bit of wind during part of the storm might have been a factor in the differences. Partial clearing by morning with low 61F and very rich, humid air and low stratocumulus clouds this AM
7/8/2012 8:00 AM 1.15 0.0 0.00 0.0 0.00 Wow, what a change. Cloudy, cool humid day. Hi 79 with some morning and early afternoon sunshine through breaks in the stratocumulus clouds. Dew points near 60F all day. Convection erupted mid afternoon with rain and distant thunder beginning after 4 PM and periods of rain and thunder and then just rain finally ended around midnight. Partial clearing towards AM with gorgeous blue sky above towering low-based tropical-like stratocumulus this AM. Low 61F and dewpoints again near 60F
7/9/2012 8:00 AM 0.37 0.0 0.00 0.0 0.00 Cool, cloudy day with a few breaks in clouds. Some light afternoon rain shower. Then evening sprinkles around 8 PM turned into a heavier shower before midnight. Very moist and fragrant overnight as dry vegetation now greening up quickly. Low 63F
7/10/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Moist with low stratus, stratocumulus and some fog patches early. Then clearing by late morning. Nice day with high 80F, Clear with light winds overnight and low 60F
7/11/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly clear. Still fairly humid but atmosphere now stable. High 83F Clear overnight and low 57F -- coolest in quite awhile.
7/12/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warming again. High 87 with clear morning but convective clouds afternoon, especially over and near mountains. Skies still a bit hazy. Some lighting to the east during evening. Then clearing with low 60F
7/13/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Morning sunshine but afternoon convective buildups sprinkles and some gusty winds nearby High 91F Low 59 with clear skies by morning.
7/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot hazy day -- 50th anniversary celebration for the Dept of Atmospheric Science and NWS came and gave a 125th year award to the campus weather station. High 92 with some high clouds afternoon. Low 61 with continued thin cirrus
7/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Morning sunshine then increasing mid and high clouds. High 93F. Clouds thinned but still broken cirrus this AM with low 62F and higher humidity.
7/16/2012 8:00 AM T 0.0 0.00 0.0 0.00 Some active convection but only trace afternoon showers and gusty winds here. High 91F Clearing overnight but lingering cirrus. Low 61F
7/17/2012 8:00 AM 0.01 0.0 0.00 0.0 0.00 Summery day with afternoon and evening convection. Evening showers and a little thunder with distant lightning visible, too. High 91F Stayed fairly cloudy overnight but coolish thanks to the rain. Low 62F
7/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some convective buildup and higher humidity. High 88F. Clearing overnight Low 60F
7/19/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Scattered convective buildups afternoon. Otherwise sunny and hot. High 95F Clear overnight. Low 62F
7/20/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning. Hot again. Some afternoon convective buildups, esp over the mountains. High 95F Clearing during evening. Low 62F
7/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning, afternoon convection over the mountains to our west and a bit to our north. High 98F. Clearing overnight but very warm with low 66F
7/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning. Active convection over the mountains late morning through afternoon with dark CB due west early afternoon. Hot here High 96. Essentially no convection east of the mountains but clouds spread eastward late in day Low 67F overnight -- hot summer continues
7/23/2012 8:00 AM T 0.0 0.00 0.0 0.00 Not quite as hot. Active convection over the mountains during the day and over the plains northeast of us during the evening. High 94. A brief rain shower after 10 PM and late evening lightning over the mountains -- then clearing with low 65F
7/24/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Sunny morning but convection over the mountains spreading eastward late afternoon and evening. Hot with high 96F Gusty winds to about 25 mph during the evening. Then clearing but warm with low 64F
7/25/2012 8:00 AM 0.05 0.0 0.00 0.0 0.00 Again, a clear morning but with active convection up over the mountains by midday and clouds spreading eastward afternoon. High 94F. Late evening rain shower after 11 PM followed by a couple hours of strong winds gusting to 25 mph Remained cloudy and quite warm overnight with low 66F
7/26/2012 8:00 AM 0.40 0.0 0.00 0.0 0.00 Active convection, higher humidity and cooler. Several thunder shower during the afternoon and evening. High 86F and then sharply cooler with the shower. Clearing ovenight and low 58 -- coolest in about 2 weeks.
7/27/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny with just a few mostly flat cumulus today. High 88F Clearing except for some high cirrus overnight. Low 59F
7/28/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning, active convection over the mountains afternoon with clouds and some nearby sprinkles later in the day High 88, partly cloudy overnight and low 61F
7/29/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Morning and midday sunshine, afternoon and evening clouds from active convection up over the mountains and to our north. High 88. Partial clearing with low 63 this AM and beautiful mid and high clouds
7/30/2012 8:00 AM 0.05 0.0 0.00 0.0 0.00 Hot High 91F but active afternoon convection and some thundershowers. Clearing overnight with low 60F
7/31/2012 8:00 AM 0.02 0.0 0.00 0.0 0.00 Cooler, active convection again. High 85. Low 58F
8/1/2012 8:00 AM 0.02 0.0 0.00 0.0 0.00 Brief afternoon shower, Otherwise hot with high 93F and low 66F
8/2/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Active convection nearby but no evidence of precipitation here. High 90F. Partly cloudy with low 62F
8/3/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some afternoon convection, but no evidence of precip here. High 88F. Clear skies overnight with low 57F
8/4/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Afternoon convection with thunderheads to our north during the afternoon. 3 PM windgust to 30 mph. High 93F. Clear with light winds and low 57F overnight
8/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some morning clouds. Breezy and much cooler with high 80F Some convective clouds distant west over mtns afternoon. Clear and chilly with low 53F
8/6/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostyly sunny and warmer again. Hi 91F with just some flat cumulus mostly over mtns. Some mid and high clouds increased overnight Low 61F
8/7/2012 8:00 AM T 0.0 0.00 0.0 0.00 Hot. Temperature skyrocket to 97F by midday -- then high based convection with virga and some gusty sprinkles 4-6:30 PM Peak gust 24 mph out of the south at 2 PM Remained partly cloudy overnight with low 59F
8/8/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot High 93F with some scattered afternoon convection clearing by evening. High 93F. Clear and light winds but increasing haze (most likely from distant fires) by morning. Low 56F
8/9/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly clear day with little convective activity. Hot with high 94. Clear and light winds with low 58F
8/10/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear morning, scattered afternoon clouds. High 88F. Mostly clear but warm with low 63F -- the long summer continues
8/11/2012 8:00 AM T 0.0 0.00 0.0 0.00 Clear morning but active convection to the west up over the mountains. Overcast by late afternoon and a period of very light rain appox 7:30 - 8:30 PM -- steady but did not even wet the pavement. Remained cloudy and very warm overnight with low 66F
8/12/2012 8:00 AM 0.01 0.0 0.00 0.0 0.00 Clouds all morning but still heated up to 90F by early afternoon, then a series of little squalls moved off the foothills from NW to SE bringing brief rain and some gusty winds at least twice and some distant thunder. apk gust 25 mph at 5 PM. One last sprinkle around 7 PM and then clearing during the evening. Cooled to a chilly low of 53F with clear but hazy skies
8/13/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear dry day. High 85 Cloudy with thin cirrus by morning. Low 54 with very light dew
8/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly cloudy and turning cooler with high only 80F and gusty northerly winds afternoon. Becoming very hazy by morning (forest fire smoke from distant wildfires in the West) with low 54F
8/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hazy/smokey day with increasing clouds and some convection in the afternoon. Hot again with high 91F Clearing late but still very hazy
8/16/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot smokey day. High 95, Then strong cold front arrived in the afternoon with gusty NE winds and fast falling temperatures. Some convection over the foothills but no precip here. Low overcast stratocumulus by morning with low 57F
8/17/2012 8:00 AM T 0.0 0.00 0.0 0.00 Mostly cloudy morning and early afternoon. Then partial clearing Some sprinkles in the afternoon. Still hazy. Clearing and chilly overnight with low 47F
8/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. Pleasant temperatures. Still very hazy. Hi 89F, Low 59F Some light convection in the area.
8/19/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Nice day. High 82F. Light winds and mostly clear skies. Clear and cool overnight with low 48F. Great to have the heat passed us now.
8/20/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny and very pleasant. High 81F with some high clouds during the day. Increasing clouds overnight with low 53F
8/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy and unsettled. Thunder to our south around 6 PM but nothing here. High 81F. Clearing overnight with high cirrus again by morning. Low 56 and becoming a bit hazy again
8/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly sunny but some afternoon convective clouds esp. over mountains. High 87F Low 56F with a morning sky full of cirrus clouds
8/23/2012 8:00 AM T 0.0 0.00 0.0 0.00 Partly cloudy. Temperature climbed gradually and just nicked 90F briefly to set new record for most days in a year with 90F or above -- 46. Some late day sprinkles and more around 11 PM. Remained cloudy overnight with a very mild low of 66F
8/24/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy. High 84F Low 55F
8/25/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Partly cloudy Mostly mid and high clouds. High reached 90F by late afternoon. Mild overnight with low 61F with strong N winds sometime after midnight gusting to 22 MPH
8/26/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Some morning post-frontal clouds and NE winds in the AM then becoming light winds and sunny day with high 78F. Clear and cool overnight with low 50F
8/27/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot. High 93 with only some scattered afternoon clouds. Scattered clouds over mountains this morning. Low a comfortable 54F
8/28/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Morning sunshine. Heated up quickly. Afternoon cloudiness moved off mountains. High 92F Broken high clouds persisted overnight. Low 58F
8/29/2012 8:00 AM T 0.0 0.00 0.0 0.00 Higher dewpoints today led to more active convection. Really hot again with high 95F Brief thunder just after noon and virga with a trace sprinkle at 6:40 PM and a bit of rainbow. Cloudy during the evening with scattered clouds by morning. Low 57F with some dew
8/30/2012 8:00 AM T 0.0 0.00 0.0 0.00 Morning sunshine with rapidly rising temperatures again. High reached 95 with clouds increasing in the afternoon with high-based convection and some very gusty winds. Peak gust 39 mph from the south with a brief trace shower aorund 7:20 PM Remained partly to mostly cloudy overnight with low 65F -- just too warm!
8/31/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Didn't heat up as fast today. High 90F Partly cloudy. Haze moved in overnight from distant fire smoke. Low 60F. Higher humidity with a bit of dew at sunrise.
9/1/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Very hazy Friday AM gradually clearing during the day. Stinking hot again with high 94F Overcast by evening from clouds spreading off the mountains. Clearing sometime overnight with low 56F
9/2/2012 8:00 AM 0.03 0.0 0.00 0.0 0.00 Sunny morning with high based convection beginning late morning over the mountains. High 91F. Afternoon and evening clouds with a brief shower and downburst wind around 7 PM. extremely brief gust but reached 44 mph from the SE. Remained partly cloudy with overnight temperatures in the low 70s until dropping briefly to 65 around 6:30 AM
9/3/2012 8:00 AM T 0.0 0.00 0.0 0.00 Morning sunshine. Hi reached 90F early afternoon, then convective activity all afternoon and evening with soe sprinkles 5:15 - 5:30 PM. Lightning to the NW during the evening. Then clearing overnight with low 59F. Some stratocumulus clouds hugging the high peaks to our SW this morning, otherwise clear with excellent visibility
9/4/2012 8:00 AM T 0.0 0.00 0.0 0.00 Sunny morning, partly cloudy afternoon. High 89F and then cooler after brief shower around 5 PM. Clearing overnight and light winds Low 51FA
9/5/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, just a few cumulus over mtns during afternoon. Dry downlope winds developed afternoon. High 92F with very low humidity and wind gusts to 21 MPH at 2:30 PM. Clear and cool with low 49F
9/6/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, cooler with high 82F Clear and light winds with low 48F with some morning dew
9/7/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot again with high 88. Increasing clouds during afternoon in advance of approaching cold front. Strong north winds around 11 PM - 2 AM as cold front arrived. Peak gust 25 mph. Cloudy with some morning virga and low 53F
9/8/2012 8:00 AM T 0.0 0.00 0.0 0.00 Much cooler. Convective showers visible much of the day in many directions but only trace showers mid morning and mid afternoon here. High 72F Clearing and chilly with low 46F and heavy dew
9/9/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudless day. High 79F with light winds. Clear and cool night with low 45 and light dew.
9/10/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudless day -- warm and a bit hazy. High 86F Clear and calm overnight with low 50F and some light dew
9/11/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Hot day, light winds. Hi 91F with increasing high clouds. Partly cloudy and mild overnight with low 56F
9/12/2012 8:00 AM 0.58 0.0 0.00 0.0 0.00 Clear early, then increasing clouds. High 84F early afternoon then cooling. Some late afternoon sprinkles then steady rain began around 7:30 PM -- 0.05" by 8 PM with additional 0.53" overnight. Rain diminished before midnight but increased again overnight and coming down moderately 5-8 AM -- enough to cause decent street runoff. Low 51F Best rain since early July.
9/13/2012 8:00 AM 0.09 0.0 0.00 0.0 0.00 Still rain moderately until about 9 AM with addtional 0.08" Then just a few more morning sprinkles. Remained cloudy and very cool all day with high only 57F. Some evening drizzle with another 0.01" overnight. STill cloudy with low-based stratocumulus this morning.
9/14/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Cloudy early but clear by 10:30 AM and totally clear for the rest of the day and overnight. Cool with high 71. Low 43F with heavy dew.
9/15/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear day -- nearly cloudless -- light winds. High 77. Clear and cool with low 43F and dew
9/16/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Temperatures rose rapidly from a chilly morning to afternoon high of 86F. Light winds and plenty of sunshine, but increasing high clouds late afternoon and nearly overcast cirrostratus overnight. Low 48F.
9/17/2012 8:00 AM 0.01 0.0 0.00 0.0 0.00 Warm day but becoming cloudy -- mostly stratocumulua. High 86F. Brief shower around 2:50 AM as cold front pushed through overnight. Low 50F
9/18/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear, cooler. High 66F. Low 42F with dew
9/19/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Mostly clear, warmer, breezy in the afternoon with increasing haze High 78F, low 48F
9/20/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear but very hazy -- distant forest fire smoke dispersed everywhere. Can just barely see higher foothills. High 83. Low 48F
9/21/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Clear but still hazy with markedly reduced visibilities. High 82F. Low 44F with some dew and still hazy
9/22/2012 8:00 AM 0.00 0.0 0.00 0.0 0.00 Warm, Hazy. Mostly clear except some high cirrus High 80F, low 43F
9/23/2012 7:00 AM 0.00 0.0 M 0.0 M
9/24/2012 7:00 AM 0.00 0.0 M 0.0 M
9/25/2012 7:00 AM 0.06 0.0 M 0.0 M
9/26/2012 7:00 AM 0.34 0.0 M 0.0 M
9/27/2012 7:00 AM 1.58 0.0 M 0.0 M
9/28/2012 7:00 AM 0.02 0.0 M 0.0 M
9/29/2012 7:00 AM 0.00 0.0 M 0.0 M
9/30/2012 7:00 AM 0.01 0.0 M 0.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground
9/26/2012 4:45 PM (marks appear to be from graupel. P.G.) Rice Rice Rice 7 3min False 1200