Station Overview Station Location
Station Number CO-AD-100 Latitude 39.9222750546
Station Name Thornton 2.1 N Longitude -104.95539994
County Adams Elevation (ft) 5244



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 1.09 2.16 31 2.16 31 0.00 0 0 7 2 8.3 2 2
Nov 11 0.89 0.66 30 0.66 30 0.00 0 0 1 0 7.1 1 4
Dec 11 0.69 1.90 30 1.90 30 0.00 0 0 8 0 26.6 8 19
Jan 12 0.48 0.16 31 0.16 31 0.00 0 0 4 2 2.1 4 2
Feb 12 0.44 1.64 29 1.64 29 0.00 0 0 9 2 22.5 9 19
March 12 1.53 0.02 30 0.02 30 0.00 0 0 2 4 0.3 1 1
April 12 1.99 1.52 30 1.52 30 0.00 0 0 5 2 1.1 2 1
May 12 2.25 1.38 31 1.38 31 0.00 0 0 8 0 0.0 0 0
June 12 1.77 0.27 29 0.27 29 0.00 0 0 6 0 0.0 0 0
July 12 1.54 2.08 31 2.08 31 0.00 0 0 8 5 0.0 0 0
Aug 12 1.83 0.22 30 0.22 30 0.00 0 0 3 4 0.0 0 0
Sept 12 1.04 1.78 29 1.78 29 0.00 0 0 6 3 0.0 0 0
Water Year Totals: 15.54" 13.79" 361 days 13.79" 361 0.00" 0 days 0 67 days 24 days 68.0" 27 days 48 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 0.03
10/4/2011 T
10/5/2011 T
10/6/2011 0.00
10/7/2011 0.01
10/8/2011 0.31
10/9/2011 0.59
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 0.00
10/18/2011 0.07
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 0.76
10/27/2011 0.39
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 0.66
11/3/2011 0.00
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 0.00
11/14/2011 0.00
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
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 0.00
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.34
12/2/2011 0.38
12/3/2011 0.32
12/4/2011 0.10
12/5/2011 0.03
12/6/2011 0.00
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 0.02
12/21/2011 0.00
12/22/2011 0.66
12/23/2011 0.05
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011
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 0.05
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 T
1/12/2012 0.06
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012 0.00
1/18/2012 0.00
1/19/2012 0.00
1/20/2012 0.00
1/21/2012 0.00
1/22/2012 T
1/23/2012 0.00
1/24/2012 0.00
1/25/2012 0.03
1/26/2012 0.00
1/27/2012 0.00
1/28/2012 0.02
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 0.96
2/4/2012 0.23
2/5/2012 T
2/6/2012 0.00
2/7/2012 0.14
2/8/2012 0.01
2/9/2012 0.00
2/10/2012 0.00
2/11/2012 0.05
2/12/2012 0.01
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 0.12
2/21/2012 0.00
2/22/2012 0.00
2/23/2012 0.11
2/24/2012 0.01
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 0.01
3/3/2012 T
3/4/2012 0.00
3/5/2012 0.00
3/6/2012 0.00
3/7/2012 0.01
3/8/2012 T
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 T
3/12/2012 T
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
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 0.14
4/4/2012 0.29
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 0.00
4/12/2012 0.40
4/13/2012 T
4/14/2012 0.00
4/15/2012 0.56
4/16/2012 T
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.00
4/20/2012 0.00
4/21/2012 0.00
4/22/2012 0.00
4/23/2012 0.00
4/24/2012 0.00
4/25/2012 0.00
4/26/2012 0.00
4/27/2012 0.13
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 0.21
5/7/2012 0.23
5/8/2012 0.17
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 0.00
5/12/2012 0.12
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 0.02
5/20/2012 0.11
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.49
5/25/2012 0.00
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 0.04
6/4/2012 0.01
6/5/2012 0.00
6/6/2012 0.00
6/7/2012 0.00
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 0.00
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
6/23/2012 0.00
6/24/2012 0.00
6/25/2012 0.15
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.01
6/29/2012 0.01
6/30/2012 0.05
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.00
7/2/2012 0.00
7/3/2012 0.00
7/4/2012 0.00
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 0.75
7/8/2012 0.44
7/9/2012 0.01
7/10/2012 0.10
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 0.39
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 0.09
7/25/2012 0.04
7/26/2012 T
7/27/2012 0.00
7/28/2012 0.26
7/29/2012 0.00
7/30/2012 T
7/31/2012 T
8/1/2012 T
8/2/2012 0.19
8/3/2012 T
8/4/2012 T
8/5/2012 0.00
8/6/2012 0.00
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 T
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 0.02
8/22/2012 0.00
8/23/2012
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 0.01
8/30/2012 0.00
8/31/2012 0.00
9/1/2012 0.00
9/2/2012 T
9/3/2012 T
9/4/2012 0.00
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.02
9/8/2012 0.01
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.65
9/13/2012 0.56
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 T
9/18/2012
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 0.00
9/26/2012 0.34
9/27/2012 0.20
9/28/2012 0.00
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2011 7:00 AM 0.00 0.0 M M M
10/2/2011 7:00 AM 0.00 0.0 M M M
10/3/2011 7:00 AM 0.03 M M M M 8:34 lighting & thunder, which continued until just after 10PM. 8:36, light rain. Intermittent showers, very heavy at 10:01 for 1 min.
10/4/2011 7:00 AM T M M M M
10/5/2011 7:00 AM T M M M M
10/6/2011 7:00 AM 0.00 0.0 M M M Breeze started ~ 03:15, peaked at 06:45 @ 22mph SSW.
10/7/2011 7:00 AM 0.01 M M M M Breezy and windy most of day, peak wind 33.7 mph S @ 12:35. 16:19, sudden rain, winds 15 mph SSW. Overnight Tlow 37.9F @ 05:30.
10/8/2011 7:25 AM 0.31 M M M M Steady rain continues
10/9/2011 7:00 AM 0.59 M M M M Incremental readings: Rain continuous since standard obsv. / 12:15: Accum = 0.24", 35.4F, dp=29.8F. / 13:12: rain/snow mix, wind picking up. / 15:15: Accum = 0.55", 38.4F dp=33.7F, light rain continues. / ~16:00: rain stopped, accum 0.58". / 17:20: A few sun rays through another shower. 39.7F. Breezes 12.0-21.9mph NNE. / @ Obsv: 31.6F, frost/ice on some surfaces above ground, 25.5F dp, 78%rh, winds calm, bar rising.
10/10/2011 7:00 AM 0.00 0.0 M M M @ obsv: 34.7F w/ light frost on some metal & glass surfaces.
10/11/2011 7:00 AM 0.00 0.0 M M M
10/12/2011 7:00 AM 0.00 0.0 M M M
10/13/2011 7:00 AM 0.00 0.0 M M M
10/14/2011 7:00 AM 0.00 0.0 M M M
10/15/2011 7:00 AM 0.00 0.0 M M M
10/16/2011 7:09 AM 0.00 0.0 M M M Daytime Tmax Saturday 82.0F, overnight Tlow and current 38.8F, 64% rh, 26.6F DP, wind calm, clear overhead, some clouds on low N, W horizons, waning moon high and visible, some dew.
10/17/2011 7:00 AM 0.00 0.0 M M M
10/18/2011 7:00 AM 0.07 M M M M Peak gust 37.6mph NNE @ 14:08. Overnight Tlow 32.9F @ 04:15
10/19/2011 7:00 AM 0.00 0.0 M M M
10/20/2011 7:00 AM 0.00 0.0 M M M
10/21/2011 7:00 AM 0.00 0.0 M M M
10/22/2011 7:00 AM 0.00 0.0 M M M
10/23/2011 7:00 AM 0.00 0.0 M M M
10/24/2011 7:00 AM 0.00 0.0 M M M
10/25/2011 7:00 AM 0.00 0.0 M M M
10/26/2011 7:00 AM 0.76 4.7 0.66 4.7 0.66 16:03, Sprinkles. T=50.7F, 48%, 35.7F dp, winds 7 NNE. 18:00 Accum = 0.07" . / 20:00 Accum = 0.17" rain, some snow buildup starting. / Snow continues at obsv. 0.76 is the combined rain/slush/snow in overflow tube.
10/27/2011 7:00 AM 0.39 3.6 0.39 6.9 0.81
10/28/2011 7:00 AM 0.00 0.0 M T T some snow in shaded areas.
10/29/2011 7:00 AM 0.00 0.0 M T M 33.4F, 72%, 25.3F dp, bar falling, calm. trace of snow in shaded areas.
10/30/2011 7:00 AM 0.00 0.0 M M M
10/31/2011 7:00 AM 0.00 0.0 M M M
11/1/2011 7:00 AM 0.00 0.0 M M M Breezy afternoon.
11/2/2011 7:00 AM 0.66 7.1 0.66 7.1 0.66 Light rain @ 19:17, moderate snow by 21:15. Snow continues at obsv. Breezy, some drifting.
11/3/2011 7:00 AM 0.00 0.0 M 6.5 0.53
11/4/2011 7:00 AM 0.00 0.0 M 5.0 0.58
11/5/2011 7:00 AM 0.00 0.0 M 0.5 0.16
11/6/2011 7:00 AM 0.00 0.0 M M M
11/7/2011 7:00 AM 0.00 0.0 M M M
11/8/2011 7:00 AM 0.00 0.0 M M M
11/9/2011 7:00 AM 0.00 0.0 M M M
11/10/2011 7:00 AM 0.00 0.0 M M M
11/11/2011 7:00 AM 0.00 0.0 M M M
11/12/2011 7:00 AM 0.00 0.0 M M M @ obsv: 50.7F, 28% rh, 18.8F dp, bar falling, mostly clear sky above, windy, peak gust 36.0MPH WNW @ 06:16.
11/13/2011 7:00 AM 0.00 0.0 M M M Peak daytime gust 31.7 mph WNW @ 12:17. Peak overnight gust 44.5mph WNW @ 00:33. Current: 35.2F, 51%, 18.8F dp, winds calm, ~70 % overcast, bar falling.
11/14/2011 7:00 AM 0.00 0.0 M M M
11/15/2011 7:00 AM 0.00 0.0 M M M Peak wind gust 37.8mph @ 09:51.
11/16/2011 7:00 AM 0.00 0.0 M M M
11/17/2011 7:00 AM 0.00 0.0 M M M
11/18/2011 7:00 AM 0.00 0.0 M M M peak breeze 27.8 mph W @ 17:06.
11/19/2011 7:00 AM 0.00 0.0 M M M
11/20/2011 7:00 AM 0.00 0.0 M M M
11/21/2011 6:15 AM 0.00 0.0 M M M @ 06:15: 24.6F, 71% rh, 16,4F dp, calm, bar rising.
11/22/2011 7:00 AM 0.00 0.0 M M M
11/23/2011 7:00 AM 0.00 0.0 M M M
11/24/2011 7:00 AM 0.00 0.0 M M M @ obsv: 41.5F, 37%rh, 13.1F dp, 3.1mph SSW, scattered thin, bar rising.
11/25/2011 7:00 AM 0.00 0.0 M M M @ obsv: 49.1F, 33%, 21.2F dp, 6.4mph W, bar falling, mostly overcast.
11/26/2011 7:00 AM 0.00 0.0 M M M Overnight wind gust 42.2mph NNE @ 02:!7. Current: 26.0F, 40%, 5.0F dp, 10.2 mph NNE, bar rising, sky clear.
11/27/2011 7:00 AM 0.00 0.0 M M M @ obsv: 24.6F , 46%, 6.6F dp, calm, bar falling, 100% clear (TV channel 4 reports no clouds over entire state)
11/28/2011 7:00 AM 0.00 0.0 M M M
11/29/2011 7:00 AM 0.00 0.0 M M M
11/30/2011 7:00 AM 0.00 0.0 M M M
12/1/2011 7:30 AM 0.34 4.6 0.34 4.6 0.34 Peak gust 21.7mph NNE @ 06:57, current @ 07:30: 27.6F, 80% rh, 22.3F dp, wind 12.7mph N, bar rising, snow continues.
12/2/2011 7:00 AM 0.38 5.1 0.38 5.8 0.64 Moderates snow continued from previous observation. ~ 10:45 snow lessened to light, large, lazy flakes. 15:30 very light flurries with a momentary ray of sun. Note the new snowfall sample was very light & dry, and probably some drifting into earlier core. Total sample had a layer of heavy wet, almost slush, at the bottom.
12/3/2011 7:00 AM 0.32 3.6 0.32 5.9 0.52 peak breeze 22.5mph NNE @ 05:21 Snowfall start ~ 23:30 @ Obsv: 20.4F, 81%rh, 15.3F dp, 11.6mph N, moderate snowfall.
12/4/2011 7:00 AM 0.10 2.1 0.10 5.0 0.57 Overnight Tlo 10.5F @ 2:43. @ obsv: 13.8F, 78% rh, 8.2F dp, calm, overcast, bar Falling
12/5/2011 7:00 AM 0.03 0.6 0.03 5.0 0.61 Overnight Tlo 2.8 F @ 04:10.
12/6/2011 7:00 AM 0.00 0.0 M 5.0 0.64 Yest was clear @ sunny, overnight Tlo -3.2 @ 05:46. @ obsv: clear, calm, 0.0F, 75%rh, -6.1F dp.
12/7/2011 7:00 AM 0.00 0.0 M 5.0 0.63
12/8/2011 7:00 AM 0.00 0.0 M 4.0 0.64 Sunny and warmer (39F @ 15:09), core snow sample changing to crystalline, with layer of ice at bottom.
12/9/2011 7:00 AM 0.00 0.0 M 3.5 0.56 Icy core sample.
12/10/2011 7:00 AM 0.00 0.0 M M M @ obsv: 18.5F, 80% rh, 13.5F dp, bar rising, calm, clear, lunar eclipse just ended.
12/11/2011 7:00 AM 0.00 0.0 M 2.0 0.43 Thi 41.5F @ 14:16. Clear w/breezes up to 16mph. @ obsv: 15.4F (also overnight Tlo), 75% rh, 8.8F dp, calm, bar falling, clear, full moon.
12/12/2011 7:00 AM 0.00 0.0 M M M
12/13/2011 7:00 AM 0.00 0.0 M 1.0 0.49
12/14/2011 7:00 AM 0.00 0.0 M M M
12/15/2011 7:00 AM 0.00 0.0 M 0.5 0.17
12/16/2011 7:00 AM 0.00 0.0 M T T
12/17/2011 7:00 AM 0.00 0.0 M T T Sunny & clear, Thi 36.1F @ 14:30, peak breeze 19.0mph SSE @ 11:42, overnight Tlo 15.6F @ 06:40. @ obsv: 15.9F, 74%rh, 9.1F dp, clear, calm , bar rising.
12/18/2011 7:00 AM 0.00 0.0 M M M
12/19/2011 7:00 AM 0.00 0.0 M M M Tlo 20.1F @ 07:28, Thi 60.0F @ 15:19. @ Obsv: 30.2F, 59%rh, 17.9F dp, overcast, calm.
12/20/2011 7:00 AM 0.02 0.2 0.02 0.2 0.02 yest overcast, dark, dang, dreary, dismal day. Thi 19.6F @ 14:25, overnight Tlo 14.1 @ 00:12. @ obsv: 18.8 F, 76 %, 12.5F dp, calm, clear, bar falling.
12/21/2011 7:00 AM 0.00 0.0 M M M
12/22/2011 7:00 AM 0.66 9.2 0.66 9.2 0.66 @ 16:55 start of snow / light flurries, 32.7F, 61% rh, 20.7F dp, calm. 21:00 Interim depth reading = 2.2" snow, 27.5F. @ obsv: snow continues, 21.3F, 81% rh, 16.7F dp.
12/23/2011 7:00 AM 0.05 1.2 0.05 9.0 0.70 Light snow from previous obsv thru 11:15, when UV starting melting shoveled walks. Very light flurries stopped 13:43, blue sky to the N. Breezes 2-5 mph NNE. Clouds moved S allowing for small, but colorful, sunset. Scattered shoveled areas drying by sunset.
12/24/2011 7:00 AM 0.00 0.0 M 8.0 M
12/25/2011 7:00 AM 0.00 0.0 M 6.0 0.74
12/26/2011 7:00 AM 0.00 0.0 M 4.0 0.69 Sunny, mild, most of the day, Thi 39.3F @ 14:59.
12/27/2011 7:00 AM 0.00 0.0 M 3.0 M Filtered sun most of AM with blue sky to the N, clouds appeared to hang at Weld /Adam county line until ~ 11:45, then clear remainder of day.
12/29/2011 7:00 AM 0.00 0.0 M T T Thi 53.9F @ 13:10, peak breeze 30.8 mph W @ 11:45 @ obsv: 41.3F , 50% rh, 24.1F dp, Calm, scattered clouds, bar falling.
12/30/2011 7:00 AM 0.00 0.0 M M M Thi 57F @ 14f, 43:41, peak wind gust 49.4mph W @ 14:33. / @ obsv: 34.3F, 43%rh, 14.1F dp, calm.
12/31/2011 7:00 AM 0.00 0.0 M M M Thi 58.8F @ 15:53, peak wind gust 48mph NW @ 06:37. / @ obsv: 50.1F, 37% rh, 18.9F dp, 21.2mph WNW, 50% clds, scattered.
1/1/2012 7:00 AM 0.00 0.0 M M M Thi 42.6F @ 08:04, peak wind 45.1 mph NW @ 10:07. / @ Obsv: 18.5F, 62% rh, 7.6F dp, 3.3 mph NW, clear.
1/2/2012 7:00 AM 0.00 0.0 M M M
1/3/2012 7:00 AM 0.00 0.0 M M M @ 06:13: Peak breeze 27.9moh WNW , T 55.2F.
1/4/2012 7:00 AM 0.00 0.0 M M M After an eye-popping sunrise, cloudy all day until sun dropped below standing wave . Thi 59.3F @ 13:23, overnight Tlo 26.9F @ 06:29. Peak breeze 28.8mph WNW @ 08:34.
1/5/2012 7:00 AM 0.00 0.0 M M M
1/6/2012 7:00 AM 0.00 0.0 M M M Thi 64F @ 15:21, peak breeze 17.6 mph WNW @ 01:59 .. / @ obsv: 45.6F, 36% rh, 20.0F dp, calm, sctrd, makings for a colorful sunrise.
1/7/2012 7:00 AM 0.00 0.0 M M M Thi 38F @ 11:09, overnight Tlo 22F @ 06:55. / @ obsv: 22F, 69%, 14F dp, calm, overcast, bar falling.
1/8/2012 7:00 AM 0.05 0.4 0.05 0.4 0.05 A few rays of AM sun, heavy dreary cloud cover remainder of the day, a few flakes @ 14:37, lull, then steady, moderate flakes @ 15:35, T= 34.3F, calm, 20.6F dp. / Incrementals: 17:00: 0.2" / 19:00: 0.4", 30.0F, very few & fine flakes, clds breaking, moon visible. / Thi 34.7F @ 13:27. peak breeze 13.1mph WNW @ 11:13 / @ obsv: 14,5F , 75%, 6.0F dp, calm, clear overhead. (Since SWE was greater than snow depth, did two readings)
1/9/2012 7:00 AM 0.00 0.0 M M M
1/10/2012 7:00 AM 0.00 0.0 M M M
1/11/2012 6:00 AM T T T T T Thi 59.5 @ 16:02, with 18.1mph NNW breeze. / / Windy most of night, peak breeze 30.8 mph NNW @ 00.07. / @ Obsv: light snow, 24F, 62% rh, 13.1F dp.
1/12/2012 7:00 AM 0.06 1.1 0.60 1.1 0.60
1/13/2012 7:00 AM 0.00 0.0 M M M
1/14/2012 7:00 AM 0.00 0.0 M M M Windy most of the day/evening, peaked at 33.1 mph WSW @ 15:15.
1/15/2012 7:00 AM 0.00 0.0 0.00 M M Breezy/windy most of the day with occasional full sun , wind peaking at 34.8mph WNW @ 21:58. Current: 42.4F, 29% rh, 12.4F dp, 3mph WSW, thin & scattered makings for a colorful sunrise.
1/16/2012 7:00 AM 0.00 0.0 M M M
1/17/2012 7:00 AM 0.00 0.0 M M M 16:27, burst of grauple followed at 16:31 by gusty winds, then gentle snowfall.
1/18/2012 7:00 AM 0.00 0.0 M M M Breezes started ~ 03:00, peaking at 29.5mph WNW @ 06:41. / @ Obsv: 31.1F, 41%rh, 12.9F dp, 3.8mph W.
1/19/2012 7:00 AM 0.00 0.0 M M M Windy for most of last 24hrs, peaking at 42.9mph WNW @ 05:41. / @ obsv: 42.4F, 41%rh, 20/4F dp, scattered clouds.
1/20/2012 7:00 AM 0.00 0.0 M M M
1/21/2012 7:00 AM 0.00 0.0 M M M Breezy/windy most of day, peaking at 33mph WNW @ 11:47. / At obsv: 27F, 65%, 16.9F dp, calm, broken clouds overhead, bar falling.
1/22/2012 7:00 AM T M M 0.0 0.00 Calm to breezy day, mostly sunny, breeze peaked 25mph W @ 20:41 (coincided with the start of very light sprinkles) T 50.1F . / @ Obsv: 41F, 37%, 17.0F dp, 7.1mph N, w/ dark, heavy overcast, defining line of dark/light clouds line to W / NW. No accum found in overflow.
1/23/2012 7:00 AM 0.00 0.0 M M M Peak wind 35.5 mph WSW @ 14:11.
1/24/2012 7:00 AM 0.00 0.0 M M M @ obsv: 32.1F, 49%, 15F dp, 3.5 mph NNE, overcast, bar rising.
1/25/2012 7:00 AM 0.03 0.3 0.03 0.0 0.00 Snow from 08:24 to 11:21, melting during snowfall. Measurements a bit challenging, as snow was melting off snowboard while accumulating somewhat. By 12:45, walks and streets in unshaded areas dried. Not even a trace remains at 07:00 obsv.
1/26/2012 7:00 AM 0.00 0.0 M M M
1/27/2012 7:00 AM 0.00 0.0 M M M Overnight breezes to 21mph. @ obsv: 31.6F, 52% rh, 16.0F dp, 60% clouds, scattered, calm.
1/28/2012 7:00 AM 0.02 0.3 0.02 T T Snow started 8:50, heaviest ~ 09:30, breakup 11:20 to 12:02 with rays of sun while light snow continued, then after snow stopped 12:02, overcast most of the afternoon. Warm enough to melt upon contact. / @ obsv: 15.6F, 63% rh, 5.2F dp, 6.0mph N, 7.0F wc, mostly clear overhead, some sct'd clouds to E, NE, W.
1/29/2012 7:00 AM 0.00 0.0 M M M @ obsv: 41.0F, 33% rh, 14.1F dp, 13.1mph NW, mostly clear above, some scattered cirrus making some sunrise colors.
1/30/2012 7:00 AM 0.00 0.0 M M M
1/31/2012 7:00 AM 0.00 0.0 M M M Peak wind gust 35.7mph @ 21:08, T 49.8F. / @ obsv: 39.7F, 34% rh. 13.6F dp, 6.7mph W, bar R.
2/1/2012 7:00 AM 0.00 0.0 M M M
2/2/2012 7:00 AM 0.00 0.0 M M M
2/3/2012 7:00 AM 0.96 9.9 0.96 9.9 0.96 Peak evening gust was 25.7mph NE @ 17:35, snow started as drops @ 18:58, ( T=34.5F, 54%, 19.3F dp) within minutes turned to flakes . Breezy most of the night, with peak overnight breeze 24.3mph N @ 00:35. Light snow continues at obsv, with T=25.8F, 82%, 21.1F dp, 6 mph N. Snow sample has a bottom layer of heavy wet slush, probably from previous warmer temps. Might have lost a bit of moisture from melt/runoff. Sample not taken from board as board mostly swept clean by winds. Drifts to over 20 inches, took average of several samples to get readings.
2/4/2012 7:00 AM 0.23 4.4 0.23 14.1 1.46 Light snow until mid-day, some brightness thru thinning clouds, breezy most of the day and evening peaking at 26.8mph @ 14:35, gust coinciding with sudden, moderate snowfall. @ obsv: Sparse, light, lazy, large flakes. 22.4F, 83%, 19.1F dp, calm.
2/5/2012 7:00 AM T T T 10.0 1.26 Light flurries from previous obs to ~09:15, became sunny later AM, and all PM with rapid meltdown with significant drying of shoveled walks & street. @ obsv: 10.2F, 80%, 5.2F dp, falling, sky clear, calm.
2/6/2012 7:00 AM 0.00 0.0 0.00 8.0 1.21
2/7/2012 7:00 AM 0.14 3.4 0.14 11.5 1.37 Light snow started 18:47, T=29.1F, 6.3mph NNE, gusting to 21.0mph NNE @ 22:14. / @ obsv: 20.4F, 80%, 15.2F dp, calm, overcast, overnight accum is light & dry. Very light snow continues.
2/8/2012 7:00 AM 0.01 0.2 0.01 M M Light flurries throughout the morning, @ 12:12: Snow Stopped T=25.8F, 74%, 18.7F dp calm , some sun later in PM. / @ obsv: 20.4F, 80%, 5.2F dp, calm, broken but mostly clear above, but clouds hid the moonset, and provided colorful sunrise. Snow depth is an estimate, as snow was melting during snow fall, measurements taken immediately after snow stopped.
2/9/2012 7:00 AM 0.00 0.0 0.00 M M
2/10/2012 7:00 AM 0.00 0.0 M 7.0 1.29
2/11/2012 7:00 AM 0.05 1.6 0.05 7.5 1.18 Snow sample very light & fluffy. @ obsv: 7.5F, 77%, 1.7F dp, Bar R, light flurries, some clearing overhead and to SE, but darker clouds to N, NE, NW, very light flurries continue.
2/12/2012 7:00 AM 0.01 0.3 0.01 M M Very light and large flurries continued until 11:40, suddenly replaced with sun. @ 11:40: 15.0F, 73%, 7.9F dp, 3.3 mph NNE. Sunny and cold remainder of the day.
2/13/2012 7:00 AM 0.00 0.0 0.00 7.0 1.38
2/14/2012 7:00 AM 0.00 0.0 0.00 5.0 1.26 A good share of sun and temps in the 40's causing good melt. Snow depth dropped by 2 inches.
2/15/2012 7:00 AM 0.00 0.0 0.00 6.0 1.19
2/16/2012 7:00 AM 0.00 0.0 0.00 3.5 1.12
2/17/2012 7:00 AM 0.00 0.0 0.00 3.0 0.92
2/18/2012 7:00 AM 0.00 0.0 0.00 3.0 0.97 Some filtered midday sun, then overcast in afternoon/evening. Thi 41F @ 14:45, overnight Tlo 16.3F. Core sample very icy. @ 07:00 16.3F, 77%. 10.F dp, clear sky, calm, baro F.
2/19/2012 7:00 AM 0.00 0.0 0.00 2.5 0.93 @ 07:00 22.8F, 77% rh, 16.6F dp, overcast/low clouds, calm, baro F.
2/20/2012 7:00 AM 0.12 1.7 0.12 3.7 1.01
2/21/2012 7:00 AM 0.00 0.0 0.00 3.0 1.02 Wind kicked up ~22:00, peaking @ 29.0 mph WNW at 23:23.
2/22/2012 7:00 AM 0.00 0.0 0.00 1.5 0.33 Overnight peak wind gust 49.6mph NW @ 06:03. @ 07:00 46.9F, 40% rh, 23.8F.
2/23/2012 7:00 AM 0.11 0.8 0.11 0.8 0.11 Thi 57.0F @ 14:42, peak gust 54.3mph WNW @ 20:04. Winds shifted to NNE ~ 02:15, 10-20mph until 05:15, them calm. @ 07:00 : 27.5F, 74%rh, 20.2F dp, calm, overcast, light flurries continue. Snow sample contained a thin ice layer at bottom and drops on windows indicate rain.
2/24/2012 7:00 AM 0.01 0.2 0.01 0.5 M Intermittent flurries most the morning with burst of graupel @ 09:33, last flake ~ 14:15, with lingering dark and stormy clouds. 07:00 : 16.3F, 57% rh, 3.7F dp, overhead sky clear, winds calm, baro rising.
2/25/2012 7:00 AM 0.00 0.0 0.00 T M @ 07:00 18.6F, 84% rh, 8.4F dp, clear, sunny, baro falling. / Reporting Ttl snow = Trace for varying amounts of snow in shaded areas, no snow in areas exposed to sun.
2/26/2012 7:00 AM 0.00 0.0 0.00 T M Thi 63.8F @ 13:35. Wind started ~ 20:15, windy all night- peaked at 44.5mph WNW @ 00:54. Lowest recorded breeze was 8.5 mph NW @ 06:30. / @ obsv: 30.2F, 28%, 0.9F dp, WC 15.1F, winds 10.7mph NNW, baro rising, sky above clear . Report trace for aging snow in shaded areas, ~ 5% of yard.
2/27/2012 7:00 AM 0.00 0.0 M M M report Trace in Ttl Snow for some aging snow in shaded areas, ~ 1% of total area.
2/28/2012 7:00 AM 0.00 0.0 0.00 M M
2/29/2012 7:00 AM T T T M M 09:07: 5 minute intense snowshower, then partial clearing.
3/1/2012 7:00 AM 0.00 0.0 M M M
3/2/2012 7:00 AM 0.01 0.3 0.10 0.3 0.10 11:43 -Light flakes. 11:52- Sudden change to moderate snowfall 35.4F, 39%, 18.1F dp winds 5.0 mph W. 11:55- beginning to cover grass & ground plants. 12:58 -stopped. Trace. / Overnight snow, no s/s times. Thi 36.5F @ 15:20, Tlo 19.9F @ 07:00 / @ 07:00: 19.9F, 75% rh, 13.2F dp, calm, some clearing.
3/3/2012 7:00 AM T T T T T Tlo 19.9F @ 07:01, Thi 35.2F @ 13:30. Short snow shower @ 2:35. / @ 07:00: 26.2F, 36%, 2.6F dp, 80% scattered clouds overhead, blue sky to N, NW. A few patches of snow left on bushes from PM snow shower.
3/4/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 45.6F @ 15:10, Tlo 26.2F @ 07:14, wind continuous from 07:00, peaking @ 37.3mph WSW @ 16:35. / At obsv: 39.5F, 40%, 17.2F dp, 8.2mph NW, 25% scattered.
3/5/2012 6:45 AM 0.00 0.0 0.00 0.0 0.00
3/6/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy most of the day, peaking at 35.1 mph NNW @ 12:48. Thi 64.2F @ 14:49, Tlo 42.0@ 06:45. Obsv: 42.6F, 27% rh , 10.9F dp, 4.9mph W, baro F. 60% thin & scattered.
3/7/2012 7:00 AM 0.01 0.0 0.00 T 0.01 Tues Thi 70.3F @ 17:02, Tlo 26.4 @ 08:29. @ 05:51, foggy, misty. @ 06:30, ice layer on some surfaces, just barely covering most of the bottom of overflow tube. 07:00 Obsv: 28.0F, 69%, 19.1F dp, 8.2mph NE, baro R, very heavy overcast, light mist.
3/8/2012 7:00 AM T 0.0 0.00 0.0 0.00 Frzing drizzle continued from obsv to ~ 09:15
3/9/2012 7:00 AM 0.00 0.0 M M M
3/10/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 60.4F @ 16:42.
3/11/2012 7:00 AM T 0.0 0.00 0.0 0.00 Thi 66.5F @ 13:22, Tlo 31.1F @ 06:50. Peak breeze 21.9 mph WSW @ 17:45. @ Obsv: 37.2F, 78%, 31.0F dp, overcast w/ darker clouds to the west, very light sprinkles continue, baro F. 4.2 mph NW.
3/12/2012 7:00 AM T 0.0 0.00 0.0 0.00 Light sprinkles continue. Tlo 38F @ 08:21, Thi 63 @ 15:46. / Obsv: 53F, 25%, 18F dp, 11mph WNW, baro R, MCloudy, makings of a colorful sunrise.
3/13/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 67F @16:24, overnight Tlo 36F @ 4:02. @ Obsv: 39F, 36%, 14F dp, 2 mph SW, baro R.
3/14/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 OBSV: 38F, 37%, 14F dp, calm, scattered thin.
3/15/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 72.1F @ 17:00, overnight Tlo 42.4F @ 06:15. RH lo 13% @ 17:53. / Obsv: 42.4F, 28%, 11.6F dp, overcast, calm.
3/16/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 70F @ 16:47, overnight Tlo 38F. Obsv: 38F, 44%, 18F dp, calm.
3/17/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 73F @ 17:47, breezes up to 17mph, afternoon clouds. Overnight Tlo 41F. Obsv: 41F, 35%, 15F dp, calm, clear.
3/18/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 24 hour Tlo 39F @ 08:02. Generally breezy peaked with 27.5mph gust WSW @ 17:31. Thi 73F @ 16:55. Colorful sunrise cut short by increasing clouds. / Obsv: 47F, 27%, 14F dp, 3.3 mph S, baro F.
3/19/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/20/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/22/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/24/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 41F, 43%, 21F dp, calm, some scattered thin, baro R.
3/25/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 71F @ 14:45. OBSV: 39F, 64%rh, 29F dp, calm, overcast, baro R.
3/26/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 @ Obsv: 44F, 63%, 22F dp, calm, overcast with some breaking to W, bar R.
3/27/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Windy most of the day, peaked at 49.6mph WSW @ 15:45, Thi 78F @ 15:07. @ Obsv: 39F, 34%, 13F dp, clear, calm, bar R, no observed impact (smoke nor ash) from Jeffco fires.
3/28/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 At obsv: 40F, 43%, 20F dp, calm, clear overhead, baro R.
3/29/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 T hi 74F @ 16:08. / At obsv: 51F, 29%, 20F dp, 2mph N, mostly overcast.
3/30/2012 7:00 AM 0.00 0.0 M M M Breezy starting @ 07:30, peaking 30mph WNW @ 08:44, Thi 71F @ 17:36 / Obsv: 45%, 34%, 19F dp, calm, clear, baro R.
3/31/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 76F @17:41. Obsv: 45F, 34%, 19F dp , calm, 60% thin, scattered, baro R.
4/1/2012 7:00 AM 0.00 0.0 M M M Thi 81F @ 16:04. Obsv: 48F, 32%, 20F dp, calm, 40% scattered.
4/2/2012 7:00 AM 0.00 0.0 0.00 0.0 0.00 Thi 83F @ 16:04, overnight breeze peak was 34mph NNE @ 01:40. Obsv: 44F, 50%, 30F dp, 12mph NNE, overcast, darker toward mtns.
4/3/2012 7:00 AM 0.14 0.2 M 0.2 M Monday Thi 44F, breeze max 32mph NE @ 12:06. / Unkn precip start time, but after 10PM. Obsv: 31F, 78%, 25F dp, moderate to heavy wet snow continues, winds calm. Snow is mix of large wet flakes and some pellets. Buildup on grass, and even starting on warm streets. Precip sample mix of whatever precip and snow/other mix in overflow tube.
4/4/2012 7:00 AM 0.29 0.9 0.19 T T 0.29 reading from precip in overflow gauge for entire duration. New snow readings from end of the "major" event where a sample of snow was obtained and measured. Note there were 3 more short show bursts during the afternoon and evening. Only a scattered trace visible at obsv.
4/5/2012 7:00 AM 0.00 0.0 M M M
4/6/2012 7:00 AM 0.00 0.0 M M M Obsv: 41F, 75%, 33F dp, calm, sky clear, bar falling
4/7/2012 7:00 AM 0.00 0.0 M M M Windy most of the day, gusting often in the 30+ mph range, peak gust 37mph WNW @22:26. RH low was 11 %, Thi 75F @ 16:02, overnight Tlo 29F @ 06:59. Obsv: 29F, 45%, 10F dp, baro R, calm, clear.
4/8/2012 7:00 AM 0.00 0.0 M M M Tlo 30F @ 07:19, Thi 60F @ 16:27. Obsv: 31F, 51%, 15F dp, 5% scattered, calm, baro R.
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 7:00 AM 0.00 0.0 M M M
4/12/2012 7:00 AM 0.40 M M M M 16:03, windy, peaked @ 28mph NNW. @ 17:14 lightning/thndr. 17:16, drops for 13 minutes, record trace only. ~23:30 short shower accum = 0.04". / Obsv: 45F, 73%, 37F dp, calm, baro R.
4/13/2012 7:00 AM T M M M M Peak breeze 28mph NNW @ 13:30. At 20:35, light rain. Obsv: 42F, 47%, 24F dp, clear, calm.
4/14/2012 7:00 AM 0.00 0.0 M M M Obsv: 38F, 56%, 24F dp, clear, calm, baro F.
4/15/2012 7:00 AM 0.56 M M M M Rain overnight
4/16/2012 7:00 AM T T M M M Windy from ~ 08:55 to 17:15, peaking at 14:41 clocked @ 41 mph NNE . 13:36, short (<2mins) rain/snow mix.
4/17/2012 7:00 AM 0.00 0.0 M M M
4/18/2012 7:00 AM 0.00 0.0 M M M
4/19/2012 7:00 AM 0.00 0.0 M M M
4/20/2012 7:00 AM 0.00 0.0 M M M
4/21/2012 7:00 AM 0.00 0.0 M M M
4/22/2012 7:00 AM 0.00 0.0 M M M
4/23/2012 7:00 AM 0.00 0.0 M M M
4/24/2012 7:00 AM 0.00 0.0 M M M Balmy 53F at 07:00
4/25/2012 7:00 AM 0.00 0.0 M M M 54F, overcast
4/26/2012 7:00 AM 0.00 0.0 M M M 56F, mostly cloudy.
4/27/2012 7:00 AM 0.13 M M M M @ obsv: 50F, 62%, 45F dp, calm, overcast.
4/28/2012 7:00 AM 0.00 0.0 M M M Breezy to windy since ~ 09:55AM, peak 36mph WSW @ 15:34, Thi 64F @ 12:04, overnight Tlo 38F @ 06:38, breezy most of night, calming intermittently from midnight- 02:00. / Obsv: 41F. 36%, 16F dp, baro R, mostly clear, 26mph NNW.
4/29/2012 7:00 AM 0.00 0.0 M M M Breezy most of the day, clouded up after 3PM. Obsv: 36F, 72%, 28F , calm, clear, sunny, light frost on some surfaces.
4/30/2012 7:00 AM 0.00 0.0 M M M
5/1/2012 7:00 AM 0.00 0.0 M M M 4/30 Thi 77F @ 17:02. Obsv: 54F, 33%, 25F dp, overcast, calm.
5/2/2012 7:00 AM 0.00 0.0 M M M
5/3/2012 7:00 AM 0.00 0.0 M M M Thi 78F @ 14:56. Obsv: 50F, 62%, 38F dp, clear, calm.
5/4/2012 7:00 AM 0.00 0.0 M M M
5/5/2012 7:00 AM 0.00 0.0 M M M
5/6/2012 7:00 AM 0.21 M M M M Peak wind 31mph NE @ 19:53. 20:14, sudden pickup in winds, large drops, initial lightning. 21:03: hail for ~ 4 mins, then rain until 10:12, with lightning and thunder until ~ 10:30 (some thunder sessions were continuous for several minutes). Minor "runoff", with street gutter water level rising to sidewalk. Obsv: 46F, 57%, 32Fdp, calm, sunny through 90% thin, scattered clouds.
5/7/2012 7:00 AM 0.23 M M M M Easy, steady rain, little wind, no lightning. Overnight Tlo 39F @ 12:08. Obsv: 40F, 80%, 35F dp, calm, overcast, very light mist continues.
5/8/2012 7:00 AM 0.17 M M M M Calm, steady light rain most of the day. 7AM to 7PM = 0.16" , light evening shower ~ 8-9PM added 0.01" . Obsv: 41F, 83%, 37F dp, calm, clear, sunny, baro F.
5/9/2012 7:00 AM 0.00 0.0 M M M
5/10/2012 7:00 AM 0.00 0.0 M M M
5/11/2012 7:00 AM 0.00 0.0 M M M Obsv: 43F , 51%, 27F dp, overcast, 7mph NNE.
5/12/2012 7:00 AM 0.12 M M M M 10:40 - ~12:10, brief / intermittent showers, 13:35 begin steady rain. 19:00 check = 0.10" accum. Late evening shower added 0.02". / Obsv: 38F, 80%, 32F dp, calm, overcast.
5/13/2012 7:00 AM 0.03 M M M M Cloudy all day, light evening shower. Obsv: 41F, 88%, 36F dp, overcast, 3mph NNE.
5/14/2012 7:00 AM 0.00 0.0 M M M
5/15/2012 7:00 AM 0.00 0.0 M M M
5/16/2012 7:00 AM 0.00 0.0 M M M
5/17/2012 7:00 AM 0.00 0.0 M M M Obsv: 56F, 51%, 38F dp, 80% scattered clouds, calm.
5/18/2012 7:00 AM 0.00 0.0 M M M Obsv: 55F, 54%, 38F dp, Mclear overhead, cloudy to E.
5/19/2012 7:00 AM 0.02 M M M M 17:50 Distant thunder, then continues, getting closer. 21:31, *very close* lightning (say bye to an incandescent bulb) followed by large drops, then light rain. Obsv: Sprinkling, overcast with low clouds, 50F, 71%, 40F dp, calm.
5/20/2012 7:00 AM 0.11 M M M M 08:40: Sprinkles turned to light/moderate steady rain, ending @ 10:18, accum 0.09". ~ 3:20 PM Brief sunny period. 05:35 shower accum 0.02". Obsv: 42F, 81%, 37F dp, Mclear, sunny, calm.
5/21/2012 7:00 AM 0.00 0.0 M M M
5/22/2012 7:00 AM 0.00 0.0 M M M
5/23/2012 7:00 AM 0.00 0.0 M M M MCloudy/hazy until ~ 14:30, then sunny, temp rising to high of 92@18:04. @ Obsv: 52F, 66% 41F dp.
5/24/2012 7:00 AM 0.49 M M M M 20:26 - 21:45, some lightning/thunder. @ Obsv: 43F , 83%, 38F dp, clear, calm.
5/25/2012 7:00 AM 0.00 0.0 M M M Breezes started 07:45, picking up to winds ~ 10:00, peaking @ 14:05 37.8mph NNW. Numerous clusters of young tree leafs scattered across street, lawns. @Obsv: 52F, 58%, 37F dp, 14 mph SSE, 50% scattered, more clouds to the E as sunrise is blocked.
5/26/2012 7:00 AM 0.00 0.0 M M M @ obsv: 55F, 76%, 48F dp, calm, sky appears hazy , blocking sun.
5/27/2012 7:00 AM 0.00 0.0 M M M Calm early AM, breezes started ~ 10AM, freshening PM, peak to 27mph SSE after 15:00, gusting to 31.9mph S @ 19:19. Light haze all day prevented usual deep sky blue color. Thi 88F @ 17:08, overnight Tlo 50F @ 06:37. @ obsv: 52F, 29%, 21F dp, calm, no clouds but haze-filtered sun.
5/28/2012 7:00 AM 0.00 0.0 M M M Clear AM, clouding up in mid afternoon, breezes starting ~ 14:15 peak gust 36 mph WSW @ 18:22. Some clearing & sun after 17:00. @ obsv: 55F, 31%, 25F dp, 3mph NW, clear.
5/29/2012 7:00 AM 0.00 0.0 M M M
5/30/2012 7:00 AM 0.00 0.0 M M M
5/31/2012 7:00 AM 0.00 0.0 M M M
6/1/2012 7:00 AM 0.00 0.0 M M M
6/2/2012 7:00 AM 0.00 0.0 M M M @ Obsv: 57F, 60, 47F dp, 10% thin scattered, sunny, calm.
6/3/2012 7:00 AM 0.04 M M M M Increasingly cloudy in the AM. 14:10 breeze kicks up, 14:25 rain, a couple of thunderclaps. Peak breeze only 22mph 14:29 NNW. @ Obsv: 53F, 64%, 41F dp, clouds overhead & east blocking sun, clearer to the W.
6/4/2012 7:00 AM 0.01 M M M M
6/5/2012 7:00 AM 0.00 0.0 M M M Outflow wind to 37mph SSE @ 19:05. Obsv: Reduced sunlight due to thin cloud covering. 63F, 52%, 45F dp, 4mph SSW.
6/6/2012 7:00 AM 0.00 0.0 M M M
6/7/2012 7:00 AM 0.00 0.0 M M M @ obsv: 59F, 76%, 52F dp, calm, overcast.
6/8/2012 7:00 AM 0.00 0.0 M M M
6/9/2012 7:00 AM 0.00 0.0 M M M
6/10/2012 7:00 AM 0.00 0.0 M M M Saturday Thi 96.6F @ 18:15. Smokiness noted @ 21:10, close up house. @ Obsv: 52F, 26%, 26F dp, no smokiness, 4mph SE, mostly clear sky.
6/11/2012 7:00 AM 0.00 0.0 M M M
6/12/2012 7:00 AM 0.00 0.0 M M M 06:35, close windows due to smoke. @ obsv: 54F, 44%, 33F dp, baro R, scattered (5%) thin clouds, hazy, smokey, winds calm.
6/13/2012 7:00 AM 0.00 0.0 M M M
6/14/2012 7:00 AM 0.00 0.0 M M M @ obsv: 57F, 44%, 38F dp, clear, calm, 2mph NE.
6/15/2012 7:00 AM 0.00 0.0 M M M @ Obsv: 63F, 53%, 47F dp, sky clear overhead, clouds to E. winds 11mph S, gusting to 21mph, baro R.
6/16/2012 7:00 AM 0.00 0.0 M M M Sunny AM, increased clouds late AM. Probable outflow @ 14:14 peaked winds @ 34.4 mph West. Thi 81F @ 12:45. Over night breezes in the 20-24mph range NW-NE ~ 01:00 to 03:15. @ obsv: 60F, 59%, 46F dp, 9mph NE, partly sunny but increasing clouds, dark clouds to W. Baro R.
6/17/2012 7:00 AM 0.00 0.0 M M M @ obsv: 60F, 59%, 45F dp, calm, clear, baro F.
6/18/2012 7:00 AM 0.00 0.0 M M M Sunday Thi 96.6F @ 17:04 (seems late in the day), peak breeze 28.8mph SWS @ 15:31. @ 07:00 obsv: 65F, 36%, 37F dp, clear, 2.4mph WSW.
6/19/2012 7:00 AM 0.00 0.0 M M M Thi 98.7F @ 17:32. @ obsv: 65F, 35%, 37F dp, clear, calm, baro R.
6/20/2012 7:00 AM 0.00 0.0 M M M
6/21/2012 7:00 AM 0.00 0.0 M M M Wed overcast all day. Tlo 55F @ 07:11, Thi 72F @ 15:15, max breeze 22 mph NNE @ 00:07. / @ Obsv: 60F, 46%, 39F dp, calm, clear, baro R.
6/23/2012 7:00 AM 0.00 0.0 M M M Light cloud cover until ~ 12:55, then clearing, temp climbs rapidly from 82F to 91F in 1 hour, then Thi of 99F @ 17:01, overnight Tlo 62F @ 06:34. @ obsv: 63F, 43%, 40F dp, clear, calm, baro R.
6/24/2012 7:00 AM 0.00 0.0 M M M Sat Thi 101F @ 18:02. Clear and calm for the 24 hour period with breezes 0 to 3 mph with one exception of a 15mph N "gust" @ 22:45. / @ obsv: 65F, 45%, 43F dp, calm, clear but a bit of haze, whiff of smoke (from which of the front range fires?)
6/25/2012 7:00 AM 0.15 M M M M Sunny until ~ 16:30, then some cloud formations beginning. Sunday Thi 99.6F @ 16:41. 19:00, darker clouds to the S. 19:25, winds picking up. 19:33 thunder.
6/26/2012 7:00 AM 0.00 0.0 M M M Thi 102F @ 16:59, overnight Tlo 69F @ 06:44. Obsv: 70F, 34%, 40F dp, clear, 1.0 mph S, baro F.
6/27/2012 7:00 AM 0.00 0.0 M M M Thi 99.6F @ 13:18, peak breeze 28mph WSW @ 19:14. / @ Obsv : 79F, 32%, 47F dp, 9mph WNW.
6/28/2012 7:00 AM 0.01 M M M M Thi 93F @ 14:06, Tlo 60F @ 06:44, Thunder @ 15:34, multiple light showers begin @ 16:01. Peak breeze 25mph SSW @ 15:53. / @ Obsv: 61F, 67%, 50F dp, clear, calm, baro R.
6/29/2012 7:00 AM 0.01 M M M M Thi 89F @ 12:07, then cloudy in the PM with a light shower. Overnight Tlo 59F @ 05:45 / @obsv: 63F, 55%, 47F dp, clear, calm, baro F
6/30/2012 7:00 AM 0.05 M M M M Several PM showers commencing @ 13:39.
7/1/2012 7:00 AM 0.00 0.0 M M M
7/2/2012 7:00 AM 0.00 0.0 M M M Sunday Thi 98F @ 15:05, peak breeze 30 mph SSE @ 17:06. Overnight Tlo 66F @ 05:51. @ obsv: 67F, 56%, 51F dp, clear, calm, baro F.
7/3/2012 7:00 AM 0.00 0.0 M M M Thi 96F @ 17:01, overnight Tlo 65F @ 06:46, peak breeze 27mph WSW @ 17:31. Hazy but bright day, darker clouds after 18:00. @ obsv: 66F, 60%, 50F dp, calm, 20% scattered, baro R.
7/4/2012 7:00 AM 0.00 0.0 M M M Thi 94F @ 12:44, complete overcast @ 12:45, peak breeze 16mph W @ 17:22, overnight Tlo 62F @ 06:04. / At obsv: 64F, 59%, 60F dp, sun through 100% thin clouds, calm, baro R.
7/5/2012 7:00 AM 0.00 0.0 M M M Hazy with varying levels of smoke intensity throughout the day ending with a very bright red sun higher in the clouds and haze, but no colorful sunset. Thi 94F @ 16:41, overnight Tlo 68 @ 06:30. At obsv: 69F, 63%, 56F dp, 25% scattered clouds, calm, baro R.
7/6/2012 7:00 AM 0.00 0.0 M M M Thi 94F @ 15:38, overnight Tlo 61F @ 06:02, peak breeze 22mph WSW @ 17:31. Obsv: 64F, 69%, 54F dp, clear, calm.
7/7/2012 7:00 AM 0.75 M M M M Thi 84F @ 15:29, overnight Tlo 58F @ 05:35. Initial sprinkles @ 16:33, first of multiple brief showers producing trace only. Heaviest rain started @ 20:34 . Overnight lighting and some rain. Obsv: 60F, 88%, 56F dp, overcast, calm. baro R.
7/8/2012 7:00 AM 0.44 M M M M Clear until 11:45, clouded over. 16:20 very dark clouds approaching. 16:28, lighting/thunder begins, near-continuous until ~ 21:05. Thi 80F @ 16:07, overnight Tlo 58F @ 06:50. Drizzling @ 06:00. At Obsv: 59F, 89%, 56F dp, calm, a few small breaks in clouds, otherwise 95% overcast, baro R.
7/9/2012 7:00 AM 0.01 M M M M Trace @ 20:10, but 0.01" in tube, so must have rained a bit overnight.. / At obsv: 63F 85%, 59F dp, overcast, calm, baro R .
7/10/2012 7:00 AM 0.10 M M M M Two mid-day showers. Thi 78F @ 18:01, overnight Tlo 62F @ 05:45. At obsv: 67F, 75%, 59F dp, calm, clear, baro R.
7/11/2012 7:00 AM 0.00 0.0 M M M
7/12/2012 7:00 AM 0.00 0.0 M M M Thi 87F @ 19:04, overnight Tlo 57F @ 06:12. At obsv: 62F, 65%, 51F dp, calm, clear, baro F.
7/13/2012 7:00 AM 0.00 0.0 M M M
7/14/2012 7:00 AM 0.00 0.0 M M M At obsv: 67F, 48%, 46F dp, calm, 40% thin, scattered, baro F.
7/15/2012 7:00 AM 0.00 0.0 M M M Sunny AM, Mcloudy PM. Peak breeze 21mph ESE @ 15:47, Thi 93F @ 14:21, overnight Tlo 62F @ 04:15. Obsv: 70F, 50%, 49F dp, calm, Mcloudy, (thin) , baro F.
7/16/2012 7:00 AM T M M M M Peak breeze 24mph WSW @ 16:37m Thi 92F @ 15:02, sprinkles @ 19:21, about 10% coverage of walks. At obsv: 62F, 62%, 49F db, calm.
7/17/2012 7:00 AM 0.39 M M M M Cloudy PM, Rain started 16:44, very little and very small hail @ 16:50. Rain accum 0.34 @ 18:00, more showers after 18:00. Thi 90F @ 14:51, peak breeze 32mph WNW @ 18:51, overnight Tlo 58F @ 06:25. Obsv: 62F, 76%, 54F dp, clear, calm, baro F.
7/18/2012 7:00 AM 0.00 0.0 M M M
7/19/2012 7:00 AM 0.00 0.0 M M M Thi 92F @ 16:35, overnight Tlo 63F @ 06:37. Obsv: 67F, 55%, 52F dp, clear, calm, baro F.
7/20/2012 7:00 AM 0.00 0.0 M M M Thi 94F, @ 14:47, clouding begins, overnight Tlo 63F @ 06:05. Obsv: 69F, 57%, 53F dp, calm, clear, baro R.
7/21/2012 7:00 AM 0.00 0.0 M M M Thi 97F @ 16:00, overnight Tlo 64F @ 05:59. Obsv: 68F, 54%, 51F dp, calm, clear, Baro R.
7/22/2012 7:00 AM 0.00 0.0 M M M Thi 97F @ 17:15, overnight Tlo 68F @ 06:06, peak breeze 17mph SE @ 18:41. Obsv: 70F, 51%, 51F dp, clear overhead, some clds to the W, N. Calm, baro R.
7/23/2012 7:00 AM T M M M M
7/24/2012 7:00 AM 0.09 0.0 M M M 18:07, rain, 18:14, 1 minute of hail, largest round = 0.2", longest rice = 0.25" . Thi 94F @ 16:24, overnight Tlo 61F @ 05:47. Obsv: 65F, 58%, 50F dp, calm, clear, baro R.
7/25/2012 7:00 AM 0.04 M M M M 16:07: Rain came while sunny. peak breeze 17mph NNE @ 22:45, Thi 94F @ 16:07, overnight Tlo 64F @ 06:04. Obsv: 65F, 58%, 50F dp, calm, 95% cloudy, baro R.
7/26/2012 7:00 AM T M M M M
7/27/2012 7:00 AM 0.00 0.0 M M M Thi 89F @ 17:37, overnight Tlo 60F @ 6:06. Obsv: 64F, 60%, 50F dp, calm. baro R.
7/28/2012 7:00 AM 0.26 M M M M Thi 90F@ 12:14, overnight Tlo 62F @ 05:24. The 5 min 'heaviest rain duration' was notably heavy. Post PM shower offered balmy breezes, peaking at 26mph SSE @ 18:29. Afternoon shower accum = 0.24", evening shower starting at 22:14 accum = 0.02". Obsv: 66F, 56%, 50F dp, clear overhead, heavy clouds to E blocking sun, calm, baro R.
7/29/2012 7:00 AM 0.00 0.0 M M M Thi 87F @ 15:34, overnight Tlo 63F @ 06:07, Obsv: 66F, 63%, 53F dp, calm, ~ 50% scattered, baro R.
7/30/2012 7:00 AM T M M M M
7/31/2012 7:00 AM T M M M M Thi 86F @ 13:17. Cloud buildup began ~ 13:00. Obsv: 66F, 62%, 53F dp, clds to the east imparing sunrise, clear overhead, calm, baro R.
8/1/2012 7:00 AM T M M M M
8/2/2012 7:00 AM 0.19 M M M M Thi 91 @ 12:50, overnight Tlo 61F @ 5:42. Obsv: 66F, 65%, 54F dp, calm, 30% scattered, baro F.
8/3/2012 7:00 AM T M M M M Thi 88F @ 15:22. Sudden winds followed by a few drops, wind peaked at 34mph N @ 17:14. Overnight Tlo 61F @ 04:30. Obsv: 65F, 53%, 47F dp, clear overhead, some thin/scattered to the E, 3mph S, baro F.
8/4/2012 7:00 AM T M M M M Thi 93F @ 14:47. Very mild breezes ( 0-12mph) until 18:45, winds begin to pick up to 25mph NNE. 21:15, a few drops. 21:20 gust 32.6pmh NNE, 83F. 21:30 calm until 22:33 (78F), then breezes pick up and continue to 05:25 ( N - NNE ), peaked 22mph NNE @ 01:03. Obsv: 57F, 57%, 42F dp, calm, overcast, baro R.
8/5/2012 7:00 AM 0.00 0.0 M M M Thi 80F @ 17:02, overnight Tlo 55F @ 6:04. Obsv: 59F, 64%, 47F dp, clear, calm, baro R.
8/6/2012 7:00 AM 0.00 0.0 M M M Ti 93F @ 16:37, overnight Tlo 64F @ 06:31. Obsv: 66F , 42%, 47F dp, calm, thin clouds, scattered, baro R.
8/7/2012 7:00 AM 0.00 0.0 M M M
8/8/2012 7:00 AM 0.00 0.0 M M M Thi 90F @ 14:44, overnight Tlo 57F @ 06:32. Obsv: 59F, 55%, 43F dp, calm overhead, clear, baro R.
8/9/2012 7:00 AM 0.00 0.0 M M M Thi 92F @ 16:14, overnight Tlo 59F @ 06:43.
8/10/2012 7:00 AM 0.00 0.0 M M M PM cloud increase, Thi 88F @ 14:45, overnight Tlo 63F beginning @ 05:58, peak breeze 21mph @ 23:54 NNW. Obsv 63F, 53%, 46F dp, thin scattered, some haze, calm, baro F.
8/11/2012 7:00 AM 0.00 0.0 M M M Thi 91F @ 15:45, overnight Tlo 65F @ 06:30. Clouded over late PM. Obsv: 66F, 54%, 50F dp, MC & broken, calm, baro F.
8/12/2012 7:00 AM T M M M M Mostly cloudy at previous obsv turned to total OC by 8AM, sunny fr ~13:00 to 15:45, then cloudy again, breezes picking up. Thi 87F @ 15:43. NWS issued a Severe T-storm warning for area (and areas south of location) 19:11-20:11, advising of gusts up to 58mph. (peak was 19mph at this location for that time frame). Calm-to-light breezes by 19:39. 19:17, lighting. 19:21, a few drops, enough to wet sidewalks. Heavier & darker clouds to S. Brighter w/ sun peaking out to NNW. Peak wind gust for the day was 24mph NNE @ 11:49. Overnight Tlo 55F @ 04:50. Obsv: 57F, 69&, 48F dp, clear, 2mph SSW, baro R.
8/13/2012 7:00 AM 0.00 0.0 M M M
8/14/2012 7:00 AM 0.00 0.0 M M M 22:05, close all windows due to intense smoke. Gone after 0.5 hours.
8/15/2012 7:00 AM 0.00 0.0 M M M 19:05, whiff of smoke, source unknown, gone after ~ 10 mins. 07:00 sky covered: haze, smoke, or clouds? Brilliant red sun shining thru the covering.
8/16/2012 7:00 AM 0.00 0.0 M M M Hazy /cloudy all day. Top breeze 29.5mph NE @ 16:18. Thi 91F @ 15:01, Overnight Tlo 54F @ 06:27. Late evening smoke. Obsv: 54F, 66%, 43F dp, overcast, calm, baro F.
8/17/2012 7:00 AM 0.00 0.0 M M M Overnight Tlo 49F @ 0631. Obsv: 50F, 74%, 42F dp, sunny w/ clear blue above, hazy lower on horizon, calm, baro R.
8/18/2012 7:00 AM 0.00 0.0 M M M Smoke / haze from approx 70 fires (source Chn 9 Newscast) in Western US continues to affect Colorado sky.
8/19/2012 7:00 AM 0.00 0.0 M M M
8/20/2012 7:00 AM 0.00 0.0 M M M
8/21/2012 7:00 AM 0.02 M M M M
8/22/2012 7:00 AM 0.00 0.0 M M M
8/24/2012 7:00 AM 0.00 0.0 M M M
8/25/2012 7:00 AM 0.00 0.0 M M M
8/26/2012 7:00 AM 0.00 0.0 M M M
8/27/2012 7:00 AM 0.00 0.0 M M M
8/28/2012 7:00 AM 0.00 0.0 M M M
8/29/2012 7:00 AM 0.01 M M M M
8/30/2012 6:00 AM 0.00 0.0 M M M
8/31/2012 7:00 AM 0.00 0.0 M M M
9/1/2012 6:30 AM 0.00 0.0 M M M
9/2/2012 7:00 AM T M M M M Cloud buildup ~ 13:15, followed by increased breezes, peaking 30.6mph @ 14:29. Sprinkles @ 17:42.
9/3/2012 7:00 AM T M M M M Obsv: 61F, MC, sun peeking through a break in clouds. calm.
9/4/2012 7:00 AM 0.00 0.0 M M M Multiple batches of dark clouds throughout the afternoon, with bursts of wind, the peak being 46.9mph NNW @ 15:48, dead calm within two minutes.
9/5/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 7:00 AM 0.00 0.0 M M M
9/7/2012 7:00 AM 0.02 M M M M Breezy from 11:50 to 03:15, peaked at 26mph.
9/8/2012 7:00 AM 0.01 M M M M Intermittent sprinkle sessions. @ Obsv: 46F, 78%, 40F dp, no clouds overhead, calm.
9/9/2012 7:00 AM 0.00 0.0 M M M Overnight Tlo 47F @ 05:40 through 6:55. Current: 48F , 57%, 33F dp, calm, clear overhead.
9/10/2012 7:00 AM 0.00 0.0 M M M
9/11/2012 7:00 AM 0.00 0.0 M M M Current: 63F, 44%, 40F dp, calm, mostly overcast w / broken, baro F.
9/12/2012 6:30 AM 0.65 M M M M light rain continues
9/13/2012 7:00 AM 0.56 M M M M Current 50F, 86%, 46F dp, calm, overcast, baro F.
9/14/2012 7:00 AM 0.00 0.0 M M M
9/15/2012 7:00 AM 0.00 0.0 M M M
9/16/2012 7:00 AM 0.00 0.0 M M M
9/17/2012 7:00 AM T M M M M Sudden wind gust, immediate short burst of rain.
9/19/2012 7:00 AM 0.00 0.0 M M M
9/20/2012 7:00 AM 0.00 0.0 M M M
9/21/2012 7:00 AM 0.00 0.0 M M M
9/22/2012 7:00 AM 0.00 0.0 M M M
9/23/2012 7:00 AM 0.00 0.0 M M M
9/24/2012 7:00 AM 0.00 0.0 M M M
9/25/2012 7:00 AM 0.00 0.0 M M M
9/26/2012 7:00 AM 0.34 M M M M
9/27/2012 7:00 AM 0.20 M M M M
9/28/2012 7:00 AM 0.00 0.0 M M M
9/29/2012 7:00 AM 0.00 0.0 M M M
9/30/2012 7:00 AM 0.00 0.0 M M 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
5/5/2012 8:03 PM 09:13, round 0.5" for 80-90 seconds, then smaller rice hail for ~ 2 mins . 1/2" Grape 1/4" Pea Size Rice Hard|White Ice 4 1min minor leaf damage False Before rain Before smaller hail 10-20 1
1/1/0001 12:00 AM 18:07, rain, 18:14, 1 minute of hail, largest round = 0.2", longest rice shaped = 0.25" , smallest about 0.15" . 1/4" Pea Size Rice NA Soft|White Ice 1 1min no damage Continuous True After rain Same time as smaller hail 10-20