Station Overview Station Location
Station Number CO-BO-305 Latitude 40.136884
Station Name Longmont 3.4 SW Longitude -105.155356
County Boulder Elevation (ft) 5069



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 1.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 11 0.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 11 0.56 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 12 0.39 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 12 0.48 0.38 25 0.38 25 0.00 0 0 4 4 6.9 4 0
March 12 1.47 0.00 31 0.00 31 0.00 0 0 0 1 0.0 0 0
April 12 1.76 0.78 30 0.78 30 0.00 0 0 6 3 0.0 0 0
May 12 2.31 1.33 31 0.66 23 0.67 8 1 4 2 0.0 0 0
June 12 1.79 0.20 30 0.20 19 0.00 11 1 5 2 0.0 0 0
July 12 1.25 1.78 31 1.78 31 0.00 0 0 11 1 0.0 0 0
Aug 12 1.38 0.19 30 0.19 29 0.00 1 0 4 2 0.0 0 0
Sept 12 1.42 1.42 30 1.42 28 0.00 2 1 8 1 0.0 0 0
Water Year Totals: 14.68" 6.08" 238 days 5.41" 216 0.67" 22 days 3 42 days 16 days 6.9" 4 days 0 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
10/2/2011
10/3/2011
10/4/2011
10/5/2011
10/6/2011
10/7/2011
10/8/2011
10/9/2011
10/10/2011
10/11/2011
10/12/2011
10/13/2011
10/14/2011
10/15/2011
10/16/2011
10/17/2011
10/18/2011
10/19/2011
10/20/2011
10/21/2011
10/22/2011
10/23/2011
10/24/2011
10/25/2011
10/26/2011
10/27/2011
10/28/2011
10/29/2011
10/30/2011
10/31/2011
11/1/2011
11/2/2011
11/3/2011
11/4/2011
11/5/2011
11/6/2011
11/7/2011
11/8/2011
11/9/2011
11/10/2011
11/11/2011
11/12/2011
11/13/2011
11/14/2011
11/15/2011
11/16/2011
11/17/2011
11/18/2011
11/19/2011
11/20/2011
11/21/2011
11/22/2011
11/23/2011
11/24/2011
11/25/2011
11/26/2011
11/27/2011
11/28/2011
11/29/2011
11/30/2011
12/1/2011
12/2/2011
12/3/2011
12/4/2011
12/5/2011
12/6/2011
12/7/2011
12/8/2011
12/9/2011
12/10/2011
12/11/2011
12/12/2011
12/13/2011
12/14/2011
12/15/2011
12/16/2011
12/17/2011
12/18/2011
12/19/2011
12/20/2011
12/21/2011
12/22/2011
12/23/2011
12/24/2011
12/25/2011
12/26/2011
12/27/2011
12/28/2011
12/29/2011
12/30/2011
12/31/2011
Day of YearDaily PrcpMultiday Prcp
1/1/2012
1/2/2012
1/3/2012
1/4/2012
1/5/2012
1/6/2012
1/7/2012
1/8/2012
1/9/2012
1/10/2012
1/11/2012
1/12/2012
1/13/2012
1/14/2012
1/15/2012
1/16/2012
1/17/2012
1/18/2012
1/19/2012
1/20/2012
1/21/2012
1/22/2012
1/23/2012
1/24/2012
1/25/2012
1/26/2012
1/27/2012
1/28/2012
1/29/2012
1/30/2012
1/31/2012
2/1/2012
2/2/2012
2/3/2012
2/4/2012
2/5/2012 0.00
2/6/2012 0.00
2/7/2012 0.08
2/8/2012 T
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.05
2/12/2012 T
2/13/2012 0.00
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.22
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.03
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 0.00
3/3/2012 0.00
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 T
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 0.00
4/3/2012 0.03
4/4/2012 0.12
4/5/2012 0.00
4/6/2012 T
4/7/2012 0.00
4/8/2012 0.00
4/9/2012 0.00
4/10/2012 0.00
4/11/2012 0.00
4/12/2012 0.18
4/13/2012 0.00
4/14/2012 0.00
4/15/2012 0.41
4/16/2012 T
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 T
4/21/2012 0.00
4/22/2012 0.02
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.02
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 T
5/4/2012 T
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.39
5/8/2012 0.13
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.11
5/13/2012 0.03
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 **
5/20/2012 **
5/21/2012 **
5/22/2012 **
5/23/2012 **
5/24/2012 **
5/25/2012 **
5/26/2012 0.67
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 T
6/4/2012 0.09
6/5/2012 0.00
6/6/2012 0.00
6/7/2012 0.02
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 **
6/14/2012 **
6/15/2012 **
6/16/2012 **
6/17/2012 **
6/18/2012 **
6/19/2012 **
6/20/2012 **
6/21/2012 **
6/22/2012 **
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 T
6/26/2012 0.00
6/27/2012 0.03
6/28/2012 0.02
6/29/2012 0.04
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.05
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.06
7/7/2012 0.14
7/8/2012 0.77
7/9/2012 0.07
7/10/2012 0.05
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 0.00
7/17/2012 0.12
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 0.00
7/24/2012 0.00
7/25/2012 0.09
7/26/2012 0.04
7/27/2012 0.00
7/28/2012 T
7/29/2012 0.00
7/30/2012 0.10
7/31/2012 0.29
8/1/2012 0.00
8/2/2012 0.11
8/3/2012 0.01
8/4/2012 T
8/5/2012 0.00
8/6/2012
8/7/2012 0.00
8/8/2012 0.00
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.00
8/12/2012 0.00
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 0.04
8/22/2012 0.00
8/23/2012 0.03
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 0.00
8/30/2012 T
8/31/2012 **
9/1/2012 **
9/2/2012 0.00
9/3/2012 T
9/4/2012 0.00
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.09
9/8/2012 0.01
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.59
9/13/2012 0.14
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
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 0.01
9/26/2012 0.37
9/27/2012 0.20
9/28/2012 0.01
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
2/5/2012 8:00 AM 0.00 0.0 M M M Snowfall/precip data recorded 4Feb2012 ~10AM Storm Snowfall Total 10.5 inches Melt water equivalent 0.72 inches
2/6/2012 8:00 AM 0.00 0.0 M M M 24 hr. hi/lo - 37/12
2/7/2012 8:00 AM 0.08 2.0 M M M 24 hr Hi/Lo = 44/24
2/8/2012 8:00 AM T M M M M 24 hr hi/lo = 36/12
2/9/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 35/22
2/10/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 49/16
2/11/2012 8:30 AM 0.05 2.0 0.05 M M 24 hr hi/lo = 39/14
2/12/2012 8:10 AM T T M M M 24 hr hi/lo = 29/10
2/13/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 32/21
2/14/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 47/25
2/15/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 45/25 overcast @ time of observation
2/16/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 42/20 clear/sunny @ time of observation except Longs Peak in low clouds to WNW
2/17/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 44/21 Mostly high clouds Longs Peak visible to WNW
2/18/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 48/20 heavey frost @ time of observation Longs Peak in clear skies to WNW
2/19/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 43/24 Mostly cloudy mid-level altostratus Longs Peak visible WNW
2/20/2012 8:00 AM 0.22 2.5 0.22 M M 24 hr hi/lo = 45/29 Full cloud cover save small break to WNW revealing Longs Peak with cloud cap
2/21/2012 9:55 AM 0.00 0.0 M M M 24 hr hi/lo = 43/33 Mostly clear...Longs Peak in clouds
2/22/2012 7:10 AM 0.00 0.0 M M M 24 hr hi/lo = 52/43 Partly cloudy both mid and high level Longs Peak not visible in clouds Winds overnight but calm at time of observation
2/23/2012 8:15 AM 0.03 0.4 0.03 M M 24 hr hi/lo = 58/30 Partly cloudy @ time of observation. Longs Peak in clouds to WNW. Initial snow melted on contact. Icy patio early AM
2/24/2012 8:00 AM T T M M M 24 hr hi/lo = 37/22. At time of observation partly cloudy (high and midlevel). Longs Peak was not visible to WNW
2/25/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 44/22. At time of observation clear with snow covered Longs Peak, to WNW, beautiful in the morning sun
2/26/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 62/28 At time of observation clear sunny except Longs Peak in clouds to WNW. Snow cover in north facing back yard gone save few patches
2/27/2012 8:30 AM 0.00 0.0 M 0.0 M 24 hr hi/lo = 42/18 At time of observation partly cloudy with high level clouds to west. Longs Peak in sun to WNW
2/28/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 49/25. Cloudy @ time obs. Longs Peak not visible to WNW
2/29/2012 8:15 AM T T M M M 24 hr hi/lo = 46/35 Heavy snow shower ~ 1040A 2/28 lasted 5 min. At time of obs high thin clouds to E and S. Longs Peak to WNW not visible
3/1/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 57/31. At time of obs mostly mid and high level clouds. Longs Peak to WNW not visible
3/2/2012 8:40 AM 0.00 0.0 M M M 24 hr hi/lo = 46/21 At time of obs partly cldy (mid/high level) Frost on fence. Snow covered Longs Peak clearly visible in full sun to WNW
3/3/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 39/23. At time obs partly cloudy (high and mid level)to SE. Longs Peak in cloud with otherwise clear sky
3/4/2012 8:25 AM 0.00 0.0 M M M 24 hr hi/lo = 49/42. Windy most of the night. At time of obs mostly clear with few mid/high level clouds to east and south. Longs Peak with cloud cap otherwise clearly visible to WNW
3/5/2012 8:10 AM 0.00 0.0 M 0.0 M 24 hr hi/lo = 63/30 At time obs mostly clear with few high clouds to N and E. Longs Peak in full sun to WNW
3/6/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 65/40. At time obs hi level clouds to S and E. Longs Peak in sun to WNW.
3/7/2012 8:15 AM T M M M M 24 hr hi/lo = 72/29 At time of obs cloudy w/low ceiling and freezing drizzle (temp 30). Longs Peak not visible to WNW
3/8/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 38/24 At time obs clear except cloud cap around summit of Longs Peak to WNW
3/9/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 50/23 At time obs clear & calm with Longs Peak clearly visible to WNW
3/10/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 63/27 Lomgs Peak clearly visible to WNW under bright blue sky
3/11/2012 8:50 AM 0.00 0.0 M M M 24 hr hi/lo = 69/38 Cloudy with Longs Peak visible to WNW
3/12/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 67/53 Mostly cloudy @ time obs. Windy from W. Longs Peak visible WNW
3/13/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 71/40 High clouds E and S. Clear W with Longs Peak visible to WNW
3/14/2012 7:50 AM 0.00 0.0 M M M 24hr hi/lo = 76/44 Hi clds E and S. Mostly clr W. Longs Peak clrly visible
3/15/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 75/50 Mostly cloudy at time obs. Longs Peak visible to WNW
3/16/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 73/38 Partly cldy w/hi and mid-level clds. Longs Peak clearly visible to WNW
3/17/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 78/38 Mostly clear with few clouds to N and W. Longs Peak visible to WNW
3/18/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 76/39 Partly cloudy with Longs Peak in full sun to WNW
3/19/2012 7:40 AM 0.00 0.0 M M M 24 hr hi/lo = 73/32 Partly cloudy at time of obs. Longs Peak to WNW in cloud cap. Wind and blowing dust Sunday afternoon into early evening
3/20/2012 7:10 AM 0.00 0.0 M M M 24 hr hi/lo = 54/29 Partly cloudy (mid and high level). Longs Peak visible to WNW
3/21/2012 7:05 AM 0.00 0.0 M M M 24 hr hi/lo = 55/27 Few hi clds to NW Longs Peak clearly visible to WNW
3/22/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 66/33 Mostly clear w/few high clds. Longs Peak in full sun to WNW
3/23/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 70/33 Few hi clds N and E. Persistant contrails. Longs Peaks clear in AM sun to WNW
3/24/2012 7:20 AM 0.00 0.0 M M M 24 hr hi/lo = 77/38 Partly cldy (mid and high level) Persistant contrail extends horizon to horizon (E to W near zenith) Longs Peak visible in early sun.
3/25/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 74/40 Mostly cldy. Longs Peak visible to WNW
3/26/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 72/43 Mostly cldy (mid and high level) Longs Peak visible in clear band to WNW.
3/27/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 80/47 Few high clds N and E. Longs Peak visible with cld cap to WNW
3/28/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 75/37 Hi/midlevel scattered/broken with persistant contrails. Longs Peak visible to WNW
3/29/2012 7:30 AM 0.00 0.0 M M M 24 hr hi/lo = 77/47 Mostly cldy with Longs Peak not visible to WNW
3/30/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 74/46 Few high scattered with some fair weather cumulus toward Visible Longs Peak
3/31/2012 7:00 AM 0.00 0.0 M M M 24 hr hi/lo = 79/51 Mostly mid/hi level clds. Longs Peak visible to WNW
4/1/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 84/45 Scattered high clouds. Longs Peak visible to WNW
4/2/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 83/49 Cloudy and breezy. Longs Peak to WNW not visible
4/3/2012 7:45 AM 0.03 T M M M 24 hr hi/lo = 43/38 Cloudy with snow at time obs. Longs Peak not visible
4/4/2012 7:40 AM 0.12 M M M M 24 hr hi/lo = 42/35 Few clds low on E horizon. Longs Peak in brillant white new snow cover to WNW
4/5/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 66/35 Scattered high broken. Longs Peak visible to WNW with significant snow melt from yesterday's snow cover
4/6/2012 7:50 AM T M M M M 24 hr hi/lo = 75/39 Clear and sunny. Longs Peak visible to WNW
4/7/2012 7:25 AM 0.00 0.0 M M M 24 hr hi/lo = 78/37 Clear, calm, cool @ time obs. Longs Peak visible to WNW
4/8/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 67/33 Few high clouds otherwise clear and sunny. Longs Peak brillant in early AM sun
4/9/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 74/38 High/mid level partly cloudy. Longs Peak visible with clear skies to west.
4/10/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 70/38 High thin clouds. Longs Peak visible to WNW
4/11/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 77/52 Cloudy except Longs Peak visible in narrow break along western horizon
4/12/2012 8:00 AM 0.18 M M M M 24 hr hi/lo = 70/46 Clear. Longs Peak visible through haze to WNW
4/13/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 70/46 Clds scattered to NE and along W horizon. Longs Peak in low clds
4/14/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 66/40 Mostly clear. Longs Peak visible thru thin clds to WNW
4/15/2012 8:00 AM 0.41 M M M M 24 hr hi/lo = 64/41 Partly cldy breezy. Longs Peak in clouds to WNW
4/16/2012 7:30 AM T M M M M 24 hr hi/lo = 55/36 Light frost. Clear save Longs Peak obscured by isolated cloud. Grass responding well to Saturday evening's rain!
4/17/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 65/37 Scattered high/broken. Longs Peak clear to WNW
4/18/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 75/41 Mostly cldy. Narrow band blue sky to west. Longs Peak visible to WNW
4/19/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 76/48 Scattered mid/high level cloud cover. Longs Peak visible save small cloud cap.
4/20/2012 8:00 AM T M M M M 24 hr hi/lo = 69/42 Clear. Longs Peak in cloud cap.
4/21/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/li = 75/47 Bright and clear with Longs Peak dominant on the WNW horizon
4/22/2012 8:10 AM 0.02 M M M M 24 hr ho/lo = 78/43 Longs Peak brillant in a clear blue sky. Short overnight shower ~1030P had bright Venus in W and clouds overhead and to E.
4/23/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 80/44 Clear and calm. Longs Peak visible to WNW
4/24/2012 7:30 AM 0.00 0.0 M M M 24 hr hi/lo = 85/49 Few high thin clouds to W. Longs Peak smiling in morning sun to WNW
4/25/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 86/49 High thin overcast. Longs Peak visible
4/26/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 82/56 Partly cloudy. Longs Peak clear to WNW
4/27/2012 7:35 AM 0.02 M M M M 24 hr hi/lo = 85/54 Cloudy. Longs Peak not visible. Several T precip events afternoon and evening with lightning to E and S. 0.02 accumulate overnight.
4/28/2012 8:45 AM 0.00 0.0 M M M 24 hr hi/lo = 70/42 Clear, cool. Longs Peak visible against a bright morning sky
4/29/2012 6:30 AM 0.00 0.0 M M M 24 hr hi/lo = 69/41 Clear cool morning. Longs Peak visible to WNW
4/30/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 69/40 Longs Peak brillant against clear blue sky
5/1/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 79/54 Cloudy E and N. Partly cloudy W. Longs Peak visible
5/2/2012 6:30 AM 0.00 0.0 M M M 24 hr hi/lo = 82/52 Partly cldy. Longs Peak visible against dark clds along horizon to WNW
5/3/2012 6:30 AM T M M M M 24 hr hi/lo = 77/47 Longs Peak brillant against a clear blue sky. Light dew on rain gauge and bird feeder
5/4/2012 8:45 AM T M M M M 24 hr hi/lo = 86/53 Longs Peak visible against a clear and sunny blue sky! Enough precip last evening to spot a clean windshield
5/5/2012 6:40 AM 0.00 0.0 M M M 24 hr hi/lo = 89/51 Partly cloudy. High and thin. Longs Peak visible.
5/6/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 86/47 Scattered high thin clouds to E and S. Longs Peak visible against clear blue sky to WNW. Gusty winds late afternoon to ~ midnight
5/7/2012 7:55 AM 0.39 M M M M 24 hr hi/lo = 69/45 Cloudy. Slow steady rain @ time obs.Longs Peak not visible. Water flowing in drainage channel to N of house
5/8/2012 7:45 AM 0.13 M M M M 24 hr hi/lo = 75/38 Clear. Light fresh snow cover on Longs Peak visible to WNW. Light frost in shady spots in yard.
5/9/2012 8:30 AM 0.00 0.0 M M M 24 hr hi/lo = 69/40 Longs Peak brilliant under clear sunny skies
5/10/2012 8:45 AM 0.00 0.0 M M M 24 hr hi/lo = 84/45 Clear and sunny. Longs Peak visible
5/11/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 89/46 Cloudy cool (47) @ time obs. Longs Peak in clouds...not visible.
5/12/2012 7:20 AM 0.11 M M M M 24 hr hi/lo = 50/41 Overcast with fog to west. Longs Peak not visible. Periods of intermittent rain thru afternoon and early evening
5/13/2012 7:30 AM 0.03 M M M M 24 hr hi/lo = 57/45 Overcast. Longs Peak not visible.
5/14/2012 8:25 AM 0.00 0.0 M M M 24 hr hi/lo = 68/40 Clear and sunny. Longs Peak displaying a new light dusting of snow
5/15/2012 7:00 AM 0.00 0.0 M M M 24 hr hi/lo = 83/43 Clear and sunny. Longs Peak visible with yesterday's snow dusting gone.
5/16/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 88/47 Mixed sun and clouds. Longs Peak visible
5/17/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 87/51 Mix of clouds and sun. Longs Peak visible against a backdrop of high and mid level clds.
5/18/2012 7:15 AM 0.00 0.0 M M M 24 hr hi/lo = 86/50 Partly cloudy. Longs Peak visible
5/27/2012 8:45 AM 0.00 0.0 M M M 24 hr hi/lo = 87/55 Clear, light W breeze. Longs Peak visible
5/28/2012 5:55 AM 0.00 0.0 M M M 24 hr hi/lo = 77/50 Clear and cool. Longs Peak visible
5/29/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 79/46 Clear and sunny. Longs Peak snow pack disappearing rapidly.
5/30/2012 8:55 AM 0.00 0.0 M M M 24 hr hi/lo = 82/51 Mostly clear...few high clds. Longs Peak visible against clear sky to WNW
5/31/2012 7:00 AM 0.00 0.0 M M M 24 hr hi/lo = 85/46 Longs Peak visible under mostly clear sky. Few high clouds north and east.
6/1/2012 9:00 AM 0.00 0.0 M M M 24 hr hi/lo = 78/51 Scattered mid/high level clouds. Longs Peak visible with blossoming cumulus
6/2/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 84/53 Persistant contrails. Few high clds to north otherwise sunny.
6/3/2012 8:20 AM T M M M M 24 hr hi/lo = 82/54 Scattered high clds to E and S. Persistant contrails. Longs Peak Visible. Trace precip twice: ~1430 and again ~1800
6/4/2012 7:00 AM 0.09 M M M M 24 hr hi/lo = 89/54 Scattered thin high clouds. Longs Peak visible. Showers scattered over a 1.5 hour period Sunday afternoon
6/5/2012 7:05 AM 0.00 0.0 M M M 24 hr hi/lo = 96/59 Mostly cldy. Longs Peak visible
6/6/2012 7:25 AM 0.00 0.0 M M M 24 hr hi/lo = 92/60 Clear and sunny. Longs Peak visible. Saw Venus in transit thru break in clouds from Longmont Museum parking lot.
6/7/2012 7:30 AM 0.02 M M M M 24 hr hi/lo = 86/63 Overcast. Longs Peak not visible. Lots of towering cumulus to east and south Wed aftnoon but little precip.
6/8/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 86/60 Clear and sunny. Longs Peak visible. Some wind and lightning around 2300...no precip
6/9/2012 6:05 AM 0.00 0.0 M M M 24 hr hi/lo = 95/57 Few high clds otherwise clear. Longs Peak snow pack essenially gone from this vantage point.
6/10/2012 8:25 AM 0.00 0.0 M M M 24 hr hi/lo = 98/59 Sunny and breezy with Longs Peak visible thru haze to W and N
6/11/2012 7:05 AM 0.00 0.0 M M M 24 hr hi/lo = 83/49 Clear and Sunny. Fire smoke layer very hugging ground to north. Cannot smell smoke. Longs Peak visible. No Haze
6/12/2012 6:50 AM 0.00 0.0 M M M 24 hr hi/lo = 82/50 Haze dominates N and E. Early morning sun has muted pale orange glow. Layed haze to W. Longs Peak visible
6/24/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 102/66 Heavy dense smokey haze to N and W @ time of obs. Scattered high cirius. Longs Peak not visible thru haze
6/25/2012 7:10 AM T M M M M 24 hr hi/lo = 101/66 Lightning & thunder during evening T precip event. Smokey haze @ AM time obs. Longs Peak visible thru haze
6/26/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 105/69 At time obs. clear save haze to N. Longs Peak not as deep in haze as Mon AM
6/27/2012 7:25 AM 0.03 M M M M 24 hr hi/lo = 101/67 Partly cldy @ time obs. Longs Peak visible thru light haze
6/28/2012 7:40 AM 0.02 M M M M 24 hr hi/lo = 99/61 Mostly clear with scattered high clouds to S. Longs Peak visible.
6/29/2012 7:15 AM 0.04 M M M M 24 hr hi/lo = 94/60 Few scattered clds to N. Longs Peak "outline" visible thru smokey ground hugging haze to W.
6/30/2012 6:25 AM 0.00 0.0 M M M 24 hr hi/lo = 101/64 Clear with light haze. Longs Peak visible in light haze.
7/1/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 97/63 3/10ths scattered with some haze to W and N. Longs Peak visible thru light haze
7/2/2012 6:55 AM 0.00 0.0 M M M 24 hr hi/lo = 102/65 2/10ths scattered N and W. Longs Peak visible thru haze
7/3/2012 7:30 AM 0.05 M M M M 24 hr hi/lo = 99/65 Clear but hazey with Longs Peak visible thru haze to WNW
7/4/2012 9:15 AM 0.00 0.0 M M M 24 hr hi/lo = 91/62 High thin scattered. Longs Peak visible thru haze to WNW.
7/5/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 99/73 3/10ths high scattered mostly to N and W. Longs Peak visible thru haze to WNW
7/6/2012 7:30 AM 0.06 M M M M 24 hr hi/lo = 95/64 Mostly clear. Longs Peak visible thru very light haze to WNW.
7/7/2012 7:20 AM 0.14 M M M M 24 hr hi/lo = 88/64 7/10ths cld cover with Longs Peak not visible to WNW. Overnight precip provides first non hazey morning in sometime.
7/8/2012 8:30 AM 0.77 M M M M 24 hr hi/lo = 83/63 Mostly cldy with low clouds along mtns to W. Longs Peak not visible. First 20/30 minutes rain last evening were heavey with gusty wind then settled into slow gentle fall for rest of evening.
7/9/2012 7:20 AM 0.07 M M M M 24 hr hi/lo = 80/65 Overcast. Longs Peak not visible. T of precip ~ 7PM. 0.07 in. fell overnight.
7/10/2012 7:45 AM 0.05 M M M M 24 hr hi/lo = 86/63 Clear with some haze to W and N. Longs Peak visible in haze
7/11/2012 7:20 AM 0.00 0.0 M M M 24 hr hi/lo = 90/60 Clear, sunny. Longs Peak visible thru light haze to WNW.
7/12/2012 7:30 AM 0.00 0.0 M M M 24 hr hi/lo = 91/62 Clear and sunny. Light haze to W
7/13/2012 7:40 AM 0.00 0.0 M M M 24 hr hi/lo = 94/61 Longs Peak visible in light haze...otherwise clear and sunny
7/14/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 97/63 Partly Cldy. Longs Peak visible in haze to WNW
7/15/2012 6:45 AM 0.00 0.0 M M M 24 hr hi/lo = 85/65 7/10ths scattered mostly high clds. Longs Peak visible
7/16/2012 6:40 AM 0.00 0.0 M M M 24 hr hi/lo = 95/63 Clear and sunny. Longs Peak the most vividly clear it has been in weeks since fires began in June.
7/17/2012 7:40 AM 0.12 M M M M 24 hr hi = 94 Few clds )1/10) to NE and NW otherwise Longs Peak brillant under clear blue sky. Last evenings rain sure has grass 'smileing'
7/18/2012 7:15 AM 0.00 0.0 M M M 24 hr hi/lo = 91/62 Clear and sunny. Longs Peak visible
7/19/2012 6:30 AM 0.00 0.0 M M M 24 hr hi/lo = 98/63 Clear and pleasantly cool at time of obs. Longs Peak brillant to WNW
7/20/2012 8:50 AM 0.00 0.0 M M M 24 hr hi/lo = 100/63 Longs Peak visible under clear and sunny skies.
7/21/2012 7:40 AM 0.00 0.0 M M M 24 hr hi/lo = 102/65 Longs Peak brillant under sunny and clear sky
7/22/2012 8:40 AM 0.00 0.0 M M M 24 hr hi/lo = 99/67 1/10 scattered to N and W. Longs Peak in bright sun.
7/23/2012 8:50 AM 0.00 0.0 M M M 24 hr hi/lo = 95/65 3/10 scattered. Longs Peak clear under sunny sky.
7/24/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 98/64 Longs Peak visible under clear and sunny skies. Windy early evening
7/25/2012 8:15 AM 0.09 M M M M 24 hr hi/lo = 97/68 Mostly cldy. Longs Peak visible with 'cld shroud' on N side. Rain with thunder lasted about an hour late evening.
7/26/2012 6:35 AM 0.04 M M M M 24 hr hi/lo = 93/59 Few high clds otherwise sunny. Longs Peak visible. Few intense shrs early afternoon. Pleasantly cool at time obs.
7/27/2012 8:30 AM 0.00 0.0 M M M 24 hr hi/lo = 90/63 Few high scattered clds otherwise clear. Longs Peak in bright sun to WNW
7/28/2012 6:20 AM T M M M M 24 hr hi/lo = 88/65 7/10ths scattered. Longs Peak visible
7/29/2012 7:15 AM 0.00 0.0 M M M 24 hr hi/lo = 94/66 6/10ths scattered. Longs Peak visible.
7/30/2012 7:55 AM 0.10 M M M M 24 hr hi/lo = 93/64 2/10ths scattered to W and N. Longs Peak visible with fair weather cumulus cap.
7/31/2012 8:20 AM 0.29 M M M M 24 hr hi/lo = 89/63 Mostly clear few high clds east. Longs Peak in the clear.Good short term "running rain" with thunder and lightning accompanying precip.
8/1/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 95/69 Longs Peak visible under partly cldy (5/10ths) scattered.
8/2/2012 6:30 AM 0.11 M M M M 24 hr hi/lo = 94/63 5/10ths scattered. Longs Peak visible. Grass sure likes the precip that has fallen this week. "Running Rain" between 4-6 PM
8/3/2012 8:10 AM 0.01 M M M M 24 hr hi/lo = 91/62 1/10th scattered with Longs Peak clearly visible. Sky looked threatening Thur PM but just could not wring out much more than trace.
8/4/2012 8:00 AM T M M M M 24 hr hi/lo = 96/62 Cldy, overcast. Longs Peak not visible.
8/5/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 85/69 Clear. Longs Peak visible thru bit of haze to W.
8/7/2012 10:30 AM 0.00 0.0 M M M 24 hr hi/lo = 97/663/10ths scattered with Longs Peak visible under fair weather cummulus to W.
8/8/2012 8:25 AM 0.00 0.0 M M M 24 hr hi/lo = 94/59 Clear but thick haze to W and N. Longs Peak 'buried' in haze to WNW.
8/9/2012 8:30 AM 0.00 0.0 M M M 24 hr hi/lo = 95/61 Longs Peak 'outline' visible thru haze to N and W...otherwise sunny and clear
8/10/2012 8:20 AM 0.00 0.0 M M M 24 hr hi/lo = 86/66 Some high thin clds with Longs Peak in haze to the WNW.
8/11/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 93/68 Mostly cldy with Longs Peak in haze to W.
8/12/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 91/56 Clear but hazey. Longs Peak in thick haze to the W
8/13/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 91/60 Mostly cldy with Longs Peak in haze
8/14/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 82/56 hazey with Longs Peak barely visible thru haze
8/15/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 92/64 Orangr sun thru thick haze horizon to horizon. Longs Peak barely visible thru haze to W.
8/16/2012 6:25 AM 0.00 0.0 M M M 24 hr hi/lo = 96/60 Cloudy. Longs Peak not visible in low strata form clds.
8/17/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 76/51 Delightfully cool with haze. Some high clds to N. Longs Peak partially obscured with haze.
8/18/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 83/59 Few low clds E otherwise clear with Longs Peak in moderate haze.
8/19/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 85/55 Clear pleasantly cool with little haze to obscure Longs Peak
8/20/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 83/55 Mostly cldy with Longs Peak not visible
8/21/2012 7:50 AM 0.04 M M M M 24 hr hi/lo = 85/54 Mix of haze and sun with Longs Peak deep in haze to the WNW. Nice but brief shower last evening with accompanying wind.
8/22/2012 8:40 AM 0.00 0.0 M M M 24 hr hi/lo = 89/58 7/10ths scattered. Longs Peak in haze to WNW
8/23/2012 6:35 AM 0.03 M M M M 24 hr hi/lo = 91/64 5/10ths scattered. Longs Peak in some haze
8/24/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 86/59 4/10ths high/mid-level clds with Longs Peak in light haze
8/25/2012 8:25 AM 0.00 0.0 M M M 24 hr hi/lo = 91/61 Mostly clear with few clds to S and E. Longs Peak still in haze to W. Nice northerly breeze!
8/26/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 82/53 Clear with Longs Peak in light haze to W.
8/27/2012 7:20 AM 0.00 0.0 M M M 24 hr hi/lo = 94/58 5/10ths mid-level clds with hazey Longs Peak to W.
8/28/2012 7:50 AM 0.00 0.0 M M M 24 hr hi/lo = 95/66 Mostly cldy mid level. Longs Peak visible light haze to W.
8/29/2012 7:40 AM 0.00 0.0 M M M 24 hr hi/lo = 98/61 Mid-level scattered and broken. Longs Peak as clear as it has been in recent weeks i.e. not much haze.
8/30/2012 8:30 AM T M M M M 24 hr hi/lo = 97/68 Few high clds to N and E. Longs Peak in clear to W. Few sprinkles ~ 815P
9/3/2012 8:05 AM T M M M M 24 hr hi/lo = 90/63 2/10ths scattered with Longs Peak fair weather cummulus cld cap.
9/4/2012 7:35 AM 0.00 0.0 M M M 24 hr hi/lo = 90/57 Clear save few (<1/10th)low on W horizon and to NE. Longs Peak 'hazeless'.
9/5/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 92/53 Clear with haze N and W. Longs Peak hazey.
9/6/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 86/53 Partly cldy (4/10ths) scattered. Longs Peak 'brillantly' sharp and clear to W
9/7/2012 8:25 AM 0.09 M M M M 24 hr hi/lo = 90/57 3/10ths scattered. Longs Peak with nice cld cap. Wind gust ~ 2245 blew chair and flower planter off patio. Precip fell early this AM
9/8/2012 7:50 AM 0.01 M M M M 24 hr hi/lo = 72/48 Clear. Longs Peak in light haze. 5 minute heavey sprinkle mid-day Friday.
9/9/2012 6:25 AM 0.00 0.0 M M M 24 hr hi/lo = 78/48 Clear and pleasantly cool! Longs Peak in a bit of haze to the west.
9/10/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 87/53 Clear! Longs Peak 'hazeless' to the WNW.
9/11/2012 7:55 AM 0.00 0.0 M M M 24 hr hi/lo = 92/58 3/8ths cld cover with more to SE. Longs Peak haze free.
9/12/2012 8:00 AM 0.59 M M M M 24 hr hi/lo = 81/55 Cldy light rain at time obs. Longs Peak not visible.
9/13/2012 7:45 AM 0.14 M M M M 24 hr hi/lo = 64/53 Cloudy...Longs Peak not visible. Last 36 hrs has seen 0.73 inches precip. Stopped shortly after noon 9/12.
9/14/2012 8:15 AM 0.00 0.0 M M M 24 hr hi/lo = 73/46 Clear and sunny. Longs Peak visible with little evidence of haze,
9/15/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 79/45 Clear with only few high clds along W horizon. Longs Peak visible. Light dew.
9/16/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 87/50 4/8ths scattered primarily to east. Longs Peak in sunlight with no haze
9/17/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 86/55 7/8ths cldy with clear patches to west and north. Longs Peak open but with 'multi-layered' cloud cap. Good photo!
9/18/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 69/44 Clear. Longs Peak visible thru light haze. Grass enjoying dew.
9/19/2012 7:20 AM 0.00 0.0 M M M 24 hr hi/lo = 78/50 6/8ths high, thin, scattered cloud cover. Longs Peak visible thru haze to west.
9/20/2012 7:45 AM 0.00 0.0 M M M 24 hr hi/lo = 81/47 High thin clouds east. Light to moderate haze pretty much full sky with Longs Peak visible but in haze.
9/21/2012 8:10 AM 0.00 0.0 M M M 24 hr hi/lo = 82/47 Clear but moderate haze pretty much horizon to horizon. Longs Peak outlined in thick haze to west.
9/22/2012 4:55 AM 0.00 0.0 M M M 24 hr hi/lo = 79/50 Up early as Jeanne and I leave soon to volunteer at Denver R&R Marathon, Orion well up in SSE. Appears mostly clear. Cannot see Longs Peak...it is still dark!
9/23/2012 8:00 AM 0.00 0.0 M M M 24 hr hi/lo = 76/47 High clouds (6/8ths), persistant contrail, and Longs Peak in 'deep haze'...all marks of calm and stable air. Began trimming shrubery under hazy sun Sat afternoon. Bees still lingering on few remaining blossoms.
9/24/2012 8:05 AM 0.00 0.0 M M M 24 hr hi/lo = 86/66 Mostly cloudy (7/8ths+) with a thin clear band to W close to Longs Peak (cld cap but visible). Almost muggy.
9/25/2012 7:50 AM 0.01 M M M M 24 hr hi/lo = 82/51 Mostly cldy E with scattererd brkn to W (6/8ths total) Longs Peak in sunshine with no haze (first in some time).
9/26/2012 7:55 AM 0.37 M M M M 24 hr hi/lo = 72/56 Cldy (8/8ths) Longs Peak not visible to W. Light shower ~ 330 PM. Real rain started ~715 PM with intense lightning/thunder. Still raining @ 1030 PM
9/27/2012 7:45 AM 0.20 M M M M 24 hr hi/lo = 68/48 Scattered (5/8ths) low and mid-level clds. Longs Peak visible against low clds to W. Rain as shower (0.04) mid-afternoon then off/on through evening.
9/28/2012 8:10 AM 0.01 M M M M 24 hr hi/lo = 68/46 Heavey dew. Longs Peak not visible with dense fog close to ground. Ceiling breaking overhead and to W.
9/29/2012 6:55 AM 0.00 0.0 M M M 24 hr hi/lo = 73/46 Clear. Light Dew. Longs Peak visible with light haze to W.
9/30/2012 8:30 AM 0.00 0.0 M M M 24 hr hi/lo = 77/53 Mostly clear (1/8th scattered) Longs Peak visible with cloud cap.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
5/19/2012 5/26/2012 9:10 AM 8 0.67 M M
6/13/2012 6/23/2012 12:00 AM 11 0.00 M M 10 day hi/lo = 101/50. Overnight low AM 6/23-64. Longs Peak visible under sunny 78 sky at 8AM obs time 23rd.
8/31/2012 9/02/2012 12:00 AM 3 0.00 M M Hi/lo since 8/30/12 = 94/59...lo this AM (9/2/12) = 63. Clear and sunny. Longs Peak 'sharp' and haze free for first time in weeks!



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