Station Overview Station Location
Station Number CO-BO-22 Latitude 40.1869
Station Name Allens Park 1.5 ESE Longitude -105.5002
County Boulder Elevation (ft) 8455



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 1.43 1.82 31 1.82 31 0.00 0 0 7 3 22.0 4 9
Nov 11 1.56 0.87 30 0.87 30 0.00 0 0 6 7 12.5 6 30
Dec 11 1.32 1.57 31 1.57 31 0.00 0 0 7 4 31.8 7 31
Jan 12 1.25 0.67 31 0.67 31 0.00 0 0 7 6 8.5 7 30
Feb 12 1.25 1.71 29 1.71 29 0.00 0 0 10 8 31.5 10 29
March 12 2.43 0.08 31 0.08 31 0.00 0 0 1 6 0.5 1 31
April 12 2.96 1.60 30 1.60 30 0.00 0 0 8 4 8.0 3 8
May 12 2.77 2.20 31 2.20 31 0.00 0 0 9 8 11.5 4 3
June 12 1.93 0.46 30 0.46 30 0.00 0 0 6 2 0.0 0 0
July 12 2.29 6.55 31 6.55 31 0.00 0 0 17 4 0.0 0 0
Aug 12 2.38 0.63 29 0.63 29 0.00 0 0 7 7 0.0 0 0
Sept 12 1.82 2.03 30 2.03 30 0.00 0 0 9 1 0.0 0 0
Water Year Totals: 23.39" 20.19" 364 days 20.19" 364 0.00" 0 days 0 94 days 60 days 126.3" 42 days 171 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 0.08
10/8/2011 0.06
10/9/2011 0.19
10/10/2011 0.00
10/11/2011 T
10/12/2011 0.03
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 0.08
10/18/2011 T
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 1.27
10/27/2011 0.11
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 0.59
11/3/2011 T
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 T
11/7/2011 T
11/8/2011 T
11/9/2011 0.00
11/10/2011 0.00
11/11/2011 0.00
11/12/2011 0.00
11/13/2011 0.04
11/14/2011 0.04
11/15/2011 T
11/16/2011 T
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.11
11/20/2011 0.05
11/21/2011 0.00
11/22/2011 T
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.04
11/27/2011 0.00
11/28/2011 0.00
11/29/2011 0.00
11/30/2011 0.00
12/1/2011 0.42
12/2/2011 0.09
12/3/2011 0.25
12/4/2011 0.03
12/5/2011 0.15
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 0.61
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 T
12/30/2011 T
12/31/2011 T
Day of YearDaily PrcpMultiday Prcp
1/1/2012 T
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 0.35
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.00
1/12/2012 0.04
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 T
1/17/2012 0.06
1/18/2012 T
1/19/2012 T
1/20/2012 0.05
1/21/2012 0.05
1/22/2012 T
1/23/2012 0.00
1/24/2012 T
1/25/2012 0.08
1/26/2012 0.00
1/27/2012 0.04
1/28/2012 0.00
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 0.67
2/4/2012 0.31
2/5/2012 0.04
2/6/2012 0.00
2/7/2012 0.12
2/8/2012 0.00
2/9/2012 T
2/10/2012 T
2/11/2012 0.19
2/12/2012 T
2/13/2012 T
2/14/2012 T
2/15/2012 0.04
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.00
2/19/2012 0.00
2/20/2012 0.04
2/21/2012 T
2/22/2012 0.04
2/23/2012 0.22
2/24/2012 T
2/25/2012 0.00
2/26/2012 0.00
2/27/2012 0.00
2/28/2012 T
2/29/2012 0.04
3/1/2012 0.08
3/2/2012 T
3/3/2012 T
3/4/2012 T
3/5/2012 T
3/6/2012 0.00
3/7/2012 0.00
3/8/2012 T
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 T
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 0.41
4/4/2012 0.40
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 0.18
4/13/2012 T
4/14/2012 T
4/15/2012 0.18
4/16/2012 0.02
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.21
4/20/2012 0.03
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 0.17
4/28/2012 T
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 T
5/3/2012 T
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012 0.78
5/8/2012 0.24
5/9/2012 0.00
5/10/2012 0.00
5/11/2012 T
5/12/2012 0.19
5/13/2012 0.09
5/14/2012 T
5/15/2012 0.00
5/16/2012 0.04
5/17/2012 T
5/18/2012 0.00
5/19/2012 0.05
5/20/2012 0.38
5/21/2012 T
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.41
5/25/2012 0.02
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 T
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 T
6/1/2012 T
6/2/2012 0.00
6/3/2012 0.04
6/4/2012 0.08
6/5/2012 0.00
6/6/2012 0.03
6/7/2012 0.05
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 T
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 0.00
6/26/2012 0.00
6/27/2012 0.00
6/28/2012 0.13
6/29/2012 0.13
6/30/2012 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.03
7/2/2012 0.00
7/3/2012 0.02
7/4/2012 0.00
7/5/2012 0.07
7/6/2012 0.48
7/7/2012 2.08
7/8/2012 0.47
7/9/2012 0.49
7/10/2012 0.00
7/11/2012 0.00
7/12/2012 T
7/13/2012 0.58
7/14/2012 0.00
7/15/2012 T
7/16/2012 0.08
7/17/2012 0.80
7/18/2012 0.00
7/19/2012 0.03
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 T
7/23/2012 0.12
7/24/2012 0.32
7/25/2012 0.39
7/26/2012 0.00
7/27/2012 0.00
7/28/2012 0.06
7/29/2012 T
7/30/2012 0.25
7/31/2012 0.28
8/1/2012 0.00
8/2/2012 0.23
8/3/2012 0.00
8/4/2012 0.00
8/5/2012 0.00
8/6/2012 T
8/7/2012 0.01
8/8/2012 T
8/9/2012 0.00
8/10/2012 0.00
8/11/2012 0.04
8/12/2012 T
8/13/2012 0.00
8/14/2012 0.00
8/15/2012 0.00
8/16/2012 T
8/17/2012 0.15
8/18/2012 0.00
8/19/2012 0.00
8/20/2012 0.00
8/21/2012 T
8/22/2012 0.00
8/23/2012 0.15
8/24/2012 T
8/25/2012 0.01
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.04
8/29/2012 T
8/30/2012
8/31/2012
9/1/2012 0.01
9/2/2012 0.00
9/3/2012 0.00
9/4/2012 T
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.15
9/8/2012 0.08
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.56
9/13/2012 0.11
9/14/2012 0.00
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.06
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 0.63
9/27/2012 0.21
9/28/2012 0.22
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 0.0 M
10/2/2011 7:00 AM 0.00 0.0 M 0.0 M
10/3/2011 7:00 AM 0.00 0.0 M 0.0 M Might have been a few drops - trace - but I missed them.
10/4/2011 7:00 AM 0.00 0.0 M 0.0 M
10/5/2011 7:00 AM T 0.0 M 0.0 M
10/6/2011 7:00 AM 0.00 0.0 M 0.0 M
10/7/2011 7:00 AM 0.08 T M 0.0 M First snowflakes of the season.
10/8/2011 7:00 AM 0.06 0.5 M 0.5 M First measurable snow of the season.
10/9/2011 7:00 AM 0.19 2.5 M 3.0 M
10/10/2011 7:00 AM 0.00 0.0 M 1.0 M
10/11/2011 7:00 AM T 0.0 M 0.0 M Just a few drops of rain.
10/12/2011 7:00 AM 0.03 0.0 M 0.0 M Downslope shower of rain.
10/13/2011 7:00 AM 0.00 0.0 M 0.0 M
10/14/2011 7:00 AM 0.00 0.0 M 0.0 M
10/15/2011 7:00 AM 0.00 0.0 M 0.0 M
10/16/2011 7:00 AM 0.00 0.0 M 0.0 M
10/17/2011 7:00 AM 0.08 0.0 M 0.0 M
10/18/2011 7:00 AM T 0.0 M 0.0 M
10/19/2011 7:00 AM 0.00 0.0 M 0.0 M
10/20/2011 7:00 AM 0.00 0.0 M 0.0 M
10/21/2011 7:00 AM 0.00 0.0 M 0.0 M
10/22/2011 7:00 AM 0.00 0.0 M 0.0 M
10/23/2011 7:00 AM 0.00 0.0 M 0.0 M
10/24/2011 7:00 AM 0.00 0.0 M 0.0 M
10/25/2011 7:00 AM 0.00 0.0 M 0.0 M
10/26/2011 7:00 AM 1.27 17.5 M 17.5 M
10/27/2011 7:00 AM 0.11 1.5 M 19.0 M Storm total 19 inches of snow.
10/28/2011 7:00 AM 0.00 0.0 M 14.0 M
10/29/2011 7:00 AM 0.00 0.0 M 12.0 M
10/30/2011 7:00 AM 0.00 0.0 M 9.0 M
10/31/2011 7:00 AM 0.00 0.0 M 8.0 M
11/1/2011 7:00 AM 0.00 0.0 M 7.0 M
11/2/2011 7:00 AM 0.59 8.0 M 12.0 M Nice upslope.
11/3/2011 7:00 AM T T M 10.5 M A little light snow as the storm ended.
11/4/2011 7:00 AM 0.00 0.0 M 9.5 M
11/5/2011 7:00 AM 0.00 0.0 M 8.0 M
11/6/2011 7:00 AM T T M 7.0 M Downslope flurries.
11/7/2011 7:00 AM T T M 7.0 M Downslope flakes and flurries. Trace accumulation.
11/8/2011 7:00 AM T T M 7.0 M
11/9/2011 7:00 AM 0.00 0.0 M 7.0 M
11/10/2011 7:00 AM 0.00 0.0 M 7.0 M
11/11/2011 7:00 AM 0.00 0.0 M 7.0 M
11/12/2011 7:00 AM 0.00 0.0 M 7.0 M
11/13/2011 7:00 AM 0.04 0.5 M 7.0 M
11/14/2011 7:00 AM 0.04 0.5 M 6.5 M
11/15/2011 7:00 AM T T M 6.5 M Downslope flurries.
11/16/2011 7:00 AM T T M 6.5 M Scattered downslope flakes.
11/17/2011 7:00 AM 0.00 0.0 M 6.5 M
11/18/2011 7:00 AM 0.00 0.0 M 6.0 M
11/19/2011 7:00 AM 0.11 2.0 M 8.0 M
11/20/2011 7:00 AM 0.05 1.0 M 7.0 M
11/21/2011 7:00 AM 0.00 0.0 M 6.5 M
11/22/2011 7:00 AM T T M 6.5 M Downslope flurries.
11/23/2011 7:00 AM 0.00 0.0 M 6.5 M
11/24/2011 7:00 AM 0.00 0.0 M 6.0 M
11/25/2011 7:00 AM 0.00 0.0 M 5.5 M
11/26/2011 7:00 AM 0.04 0.5 M 6.0 M Squall about 5:30 PM with passage of cold front.
11/27/2011 7:00 AM 0.00 0.0 M 5.5 M
11/28/2011 7:00 AM 0.00 0.0 M 5.5 M
11/29/2011 7:00 AM 0.00 0.0 M 5.5 M
11/30/2011 7:00 AM 0.00 0.0 M 5.5 M
12/1/2011 7:00 AM 0.42 8.0 M 13.0 M
12/2/2011 7:00 AM 0.09 1.0 M 12.5 M
12/3/2011 7:00 AM 0.25 7.0 M 16.0 M
12/4/2011 7:00 AM 0.03 0.5 M 15.0 M
12/5/2011 7:00 AM 0.15 4.0 M 19.0 M Very dry snow.
12/6/2011 7:00 AM 0.00 0.0 M 16.0 M
12/7/2011 7:00 AM 0.00 0.0 M 13.5 M
12/8/2011 7:00 AM 0.00 0.0 M 13.0 M
12/9/2011 7:00 AM 0.00 0.0 M 12.5 M
12/10/2011 7:00 AM 0.00 0.0 M 12.5 M
12/11/2011 7:00 AM 0.00 0.0 M 12.0 M
12/12/2011 7:00 AM 0.00 0.0 M 12.0 M
12/13/2011 7:00 AM 0.00 0.0 M 12.0 M
12/14/2011 7:00 AM 0.00 0.0 M 12.0 M
12/15/2011 7:00 AM 0.00 0.0 M 12.0 M
12/16/2011 7:00 AM 0.00 0.0 M 11.5 M
12/17/2011 7:00 AM 0.00 0.0 M 11.5 M
12/18/2011 7:00 AM 0.00 0.0 M 11.5 M
12/19/2011 7:00 AM 0.00 0.0 M 10.5 M Light snow began after reading.
12/20/2011 7:00 AM 0.02 0.3 M 10.5 M Light snow.
12/21/2011 7:00 AM 0.00 0.0 M 10.0 M
12/22/2011 7:00 AM 0.61 11.0 M 21.0 M
12/23/2011 7:00 AM T T M 20.5 M Few flurries.
12/24/2011 7:00 AM 0.00 0.0 M 19.5 M
12/25/2011 7:00 AM 0.00 0.0 M 19.5 M
12/26/2011 7:00 AM 0.00 0.0 M 19.0 M
12/27/2011 7:00 AM 0.00 0.0 M 18.5 M
12/28/2011 7:00 AM 0.00 0.0 M 17.5 M
12/29/2011 7:00 AM T T M 17.0 M
12/30/2011 7:00 AM T T M 17.0 M
12/31/2011 7:00 AM T T M 16.0 M
1/1/2012 7:00 AM T T M 15.5 M
1/2/2012 7:00 AM 0.00 0.0 M 15.0 M
1/3/2012 7:00 AM 0.00 0.0 M 15.0 M
1/4/2012 7:00 AM 0.00 0.0 M 15.0 M
1/5/2012 7:00 AM 0.00 0.0 M 14.5 M
1/6/2012 7:00 AM 0.00 0.0 M 14.5 M
1/7/2012 7:00 AM 0.00 0.0 M 14.5 M
1/8/2012 7:00 AM 0.35 4.5 M 18.5 M
1/9/2012 7:00 AM 0.00 0.0 M 18.0 M
1/10/2012 7:00 AM 0.00 0.0 M 17.0 M
1/11/2012 7:00 AM 0.00 0.0 M 17.0 M Snow began shortly after reading.
1/12/2012 7:00 AM 0.04 0.5 M 18.0 M
1/13/2012 7:00 AM 0.00 0.0 M 18.0 M
1/14/2012 7:00 AM 0.00 0.0 M 17.0 M
1/15/2012 7:00 AM 0.00 0.0 M 16.5 M
1/16/2012 7:00 AM T T M 15.5 M Few downslope flakes.
1/17/2012 7:00 AM 0.06 0.5 M 16.0 M
1/18/2012 7:00 AM T T M 15.5 M Downslope flakes.
1/19/2012 7:00 AM T T M 15.5 M Downslope flakes.
1/20/2012 7:00 AM 0.05 0.5 M 15.5 M Downslope snow.
1/21/2012 7:00 AM 0.05 0.5 M 16.0 M
1/22/2012 7:00 AM T T M M M Few downslope flakes.
1/23/2012 7:00 AM 0.00 0.0 M 14.5 M
1/24/2012 7:00 AM T T M 14.5 M
1/25/2012 7:00 AM 0.08 1.5 M 15.0 M
1/26/2012 7:00 AM 0.00 0.0 M 14.5 M
1/27/2012 11:00 AM 0.04 0.5 M 14.5 M Note reading was at 11AM, not 7 AM. Downslope snow last night and this morning.
1/28/2012 7:00 AM 0.00 0.0 M 14.5 M
1/29/2012 7:00 AM 0.00 0.0 M 14.5 M
1/30/2012 7:00 AM 0.00 0.0 M 14.0 M
1/31/2012 7:00 AM 0.00 0.0 M 14.0 M
2/1/2012 7:00 AM 0.00 0.0 M 14.5 M
2/2/2012 7:00 AM 0.00 0.0 M 14.5 M
2/3/2012 7:00 AM 0.67 13.0 M 27.0 M
2/4/2012 7:00 AM 0.31 7.0 M 33.0 M
2/5/2012 7:00 AM 0.04 0.5 M 30.0 M
2/6/2012 7:00 AM 0.00 0.0 M 27.5 M
2/7/2012 7:00 AM 0.12 2.5 M 30.0 M
2/8/2012 7:00 AM 0.00 0.0 M 29.0 M
2/9/2012 7:00 AM T T M 25.0 M Just a few flakes.
2/10/2012 7:00 AM T T M 23.5 M One or two flakes.
2/11/2012 7:00 AM 0.19 2.5 M 24.5 M
2/12/2012 7:00 AM T T M 23.0 M Just a flurry.
2/13/2012 7:00 AM T T M 23.5 M Downslope flurry.
2/14/2012 7:00 AM T T M 22.5 M
2/15/2012 7:00 AM 0.04 0.5 M 23.0 M Downslope squalls.
2/16/2012 7:00 AM 0.00 0.0 M 23.0 M
2/17/2012 7:00 AM 0.00 0.0 M 22.0 M
2/18/2012 7:00 AM 0.00 0.0 M 21.5 M
2/19/2012 7:00 AM 0.00 0.0 M 21.5 M
2/20/2012 7:00 AM 0.04 0.5 M 22.5 M Downslope snow with storm on the Plains.
2/21/2012 7:00 AM T T M 22.0 M Downslope flurries.
2/22/2012 7:00 AM 0.04 0.5 M 22.0 M
2/23/2012 7:00 AM 0.22 4.0 M 25.0 M
2/24/2012 7:00 AM T T M 25.0 M
2/25/2012 7:00 AM 0.00 0.0 M 25.0 M
2/26/2012 7:00 AM 0.00 0.0 M 24.0 M
2/27/2012 7:00 AM 0.00 0.0 M 24.0 M
2/28/2012 7:00 AM T T M 24.0 M
2/29/2012 7:00 AM 0.04 0.5 M 24.5 M
3/1/2012 7:00 AM 0.08 0.5 M 25.0 M Downslope snow overnight.
3/2/2012 7:00 AM T T M 25.0 M
3/3/2012 7:00 AM T T M 24.5 M
3/4/2012 7:00 AM T T M 24.5 M
3/5/2012 7:00 AM T T M 24.5 M
3/6/2012 7:00 AM 0.00 0.0 M 24.5 M
3/7/2012 7:00 AM 0.00 0.0 M 24.0 M
3/8/2012 7:00 AM T T M 23.0 M
3/9/2012 7:00 AM 0.00 0.0 M 23.0 M
3/10/2012 7:00 AM 0.00 0.0 M 23.0 M
3/11/2012 7:00 AM 0.00 0.0 M 23.0 M
3/12/2012 7:00 AM 0.00 0.0 M 22.5 M
3/13/2012 7:00 AM 0.00 0.0 M 22.0 M
3/14/2012 7:00 AM 0.00 0.0 M 21.5 M
3/15/2012 7:00 AM 0.00 0.0 M 21.0 M
3/16/2012 7:00 AM 0.00 0.0 M 21.0 M
3/17/2012 7:00 AM 0.00 0.0 M 19.5 M
3/18/2012 7:00 AM 0.00 0.0 M 19.0 M
3/19/2012 7:00 AM T T M 19.0 M Downslope squall overnight. Mnay areas around station now bare of snow.
3/20/2012 7:00 AM 0.00 0.0 M 18.5 M
3/21/2012 7:00 AM 0.00 0.0 M 18.5 M
3/22/2012 7:00 AM 0.00 0.0 M 17.5 M
3/23/2012 7:00 AM 0.00 0.0 M 17.0 M
3/24/2012 7:00 AM 0.00 0.0 M 16.0 M
3/25/2012 7:00 AM 0.00 0.0 M 14.0 M
3/26/2012 7:00 AM 0.00 0.0 M 13.0 M
3/27/2012 7:00 AM 0.00 0.0 M 11.0 M Large areas of bare ground now around station, but snow cover persists at snow gauging site.
3/28/2012 7:00 AM 0.00 0.0 M 9.0 M
3/29/2012 7:00 AM 0.00 0.0 M 7.0 M Large areas are bare of snow despite snow persisting at the gauging site.
3/30/2012 7:00 AM 0.00 0.0 M 6.0 M Extensive areas around station are now free of snow.
3/31/2012 7:00 AM 0.00 0.0 M 4.0 M Extensive areas around station are now snow-free.
4/1/2012 7:00 AM 0.00 0.0 M 3.0 M
4/2/2012 7:00 AM 0.00 0.0 M 2.0 M Light snow began shortly after reading.
4/3/2012 7:00 AM 0.41 2.5 M 2.0 M
4/4/2012 7:00 AM 0.40 3.5 M 4.0 M
4/5/2012 7:00 AM 0.00 0.0 M 2.0 M
4/6/2012 7:00 AM 0.00 0.0 M 1.0 M
4/7/2012 7:00 AM 0.00 0.0 M 0.0 M Snowdrifts and patches still in area.
4/8/2012 7:00 AM 0.00 0.0 M 0.0 M
4/9/2012 7:00 AM 0.00 0.0 M 0.0 M
4/10/2012 7:00 AM 0.00 0.0 M 0.0 M
4/11/2012 7:00 AM 0.00 0.0 M 0.0 M
4/12/2012 7:00 AM 0.18 0.0 M 0.0 M Thunderstorms late afternoon and evening of the 11th.
4/13/2012 7:00 AM T T M 0.0 M Few snowflakes.
4/14/2012 7:00 AM T T M 0.0 M Few flakes of snow with east breeze overnight.
4/15/2012 7:00 AM 0.18 2.0 M 1.0 M
4/16/2012 7:00 AM 0.02 T M 1.0 M Downslope squalls
4/17/2012 7:00 AM 0.00 0.0 M 0.0 M
4/18/2012 7:00 AM 0.00 0.0 M 0.0 M
4/19/2012 7:00 AM 0.21 T M 0.0 M
4/20/2012 7:00 AM 0.03 T M 0.0 M
4/21/2012 7:00 AM 0.00 0.0 M 0.0 M
4/22/2012 7:00 AM 0.00 0.0 M 0.0 M
4/23/2012 7:00 AM 0.00 0.0 M 0.0 M
4/24/2012 7:00 AM 0.00 0.0 M 0.0 M
4/25/2012 7:00 AM T 0.0 M 0.0 M Dry squalls. A few drops.
4/26/2012 7:00 AM 0.00 0.0 M 0.0 M
4/27/2012 7:00 AM 0.17 0.0 M 0.0 M Nocturnal thunderstorms.
4/28/2012 7:00 AM T T M T M Downslope flurries.
4/29/2012 7:00 AM 0.00 0.0 M 0.0 M
4/30/2012 7:00 AM 0.00 0.0 M 0.0 M
5/1/2012 7:00 AM 0.00 0.0 M 0.0 M
5/2/2012 7:00 AM T 0.0 M 0.0 M A few drops of rain overnight.
5/3/2012 7:00 AM T 0.0 M 0.0 M
5/4/2012 7:00 AM 0.00 0.0 M 0.0 M
5/5/2012 7:00 AM 0.00 0.0 M 0.0 M
5/6/2012 7:00 AM 0.00 0.0 M 0.0 M
5/7/2012 7:00 AM 0.78 7.0 M 5.0 M
5/8/2012 7:00 AM 0.24 2.0 M 3.0 M
5/9/2012 7:00 AM 0.00 0.0 M T M
5/10/2012 7:00 AM 0.00 0.0 M 0.0 M
5/11/2012 7:00 AM T 0.0 M 0.0 M
5/12/2012 7:00 AM 0.19 1.5 M 1.0 M
5/13/2012 7:00 AM 0.09 T M 0.0 M
5/14/2012 7:00 AM T 0.0 M 0.0 M Light showers around.
5/15/2012 7:00 AM 0.00 0.0 M 0.0 M
5/16/2012 7:00 AM 0.04 0.0 M 0.0 M
5/17/2012 7:00 AM T 0.0 M 0.0 M
5/18/2012 7:00 AM 0.00 0.0 M 0.0 M
5/19/2012 7:00 AM 0.05 0.0 M 0.0 M
5/20/2012 7:00 AM 0.38 0.0 M 0.0 M Snow fell down to about 9,000 foot level.
5/21/2012 7:00 AM T 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 0.41 1.0 M T M
5/25/2012 7:00 AM 0.02 T M 0.0 M Snow squalls.
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 T T M 0.0 M Few flakes.
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 T 0.0 M 0.0 M Few drops from convection clouds.
6/1/2012 7:00 AM T 0.0 M 0.0 M Few drops from convection clouds.
6/2/2012 7:00 AM 0.00 0.0 M 0.0 M
6/3/2012 7:00 AM 0.04 0.0 M 0.0 M Thundershowers.
6/4/2012 7:00 AM 0.08 0.0 M 0.0 M Thundershowers.
6/5/2012 7:00 AM 0.00 0.0 M 0.0 M
6/6/2012 7:00 AM 0.03 0.0 M 0.0 M
6/7/2012 7:00 AM 0.05 0.0 M 0.0 M Thundershowers around 9:00 PM.
6/8/2012 7:00 AM 0.00 0.0 M 0.0 M
6/9/2012 7:00 AM 0.00 0.0 M 0.0 M
6/10/2012 7:00 AM 0.00 0.0 M 0.0 M
6/11/2012 7:00 AM 0.00 0.0 M 0.0 M It has been so dry that there is only dust and spiders in the raingauge.
6/12/2012 7:00 AM 0.00 0.0 M 0.0 M
6/13/2012 7:00 AM 0.00 0.0 M 0.0 M
6/14/2012 7:00 AM 0.00 0.0 M 0.0 M
6/15/2012 7:00 AM 0.00 0.0 M 0.0 M
6/16/2012 7:00 AM 0.00 0.0 M 0.0 M
6/17/2012 7:00 AM T 0.0 M 0.0 M
6/18/2012 7:00 AM 0.00 0.0 M 0.0 M
6/19/2012 7:00 AM 0.00 0.0 M 0.0 M
6/20/2012 7:00 AM 0.00 0.0 M 0.0 M
6/21/2012 7:00 AM 0.00 0.0 M 0.0 M
6/22/2012 7:00 AM 0.00 0.0 M 0.0 M
6/23/2012 7:00 AM 0.00 0.0 M 0.0 M
6/24/2012 7:00 AM 0.00 0.0 M 0.0 M
6/25/2012 7:00 AM 0.00 0.0 M 0.0 M
6/26/2012 7:00 AM 0.00 0.0 M 0.0 M
6/27/2012 7:00 AM 0.00 0.0 M 0.0 M
6/28/2012 7:00 AM 0.13 0.0 M 0.0 M Thundershowers.
6/29/2012 7:00 AM 0.13 0.0 M 0.0 M 0.13" two days in a row.
6/30/2012 7:00 AM 0.00 0.0 M 0.0 M
7/1/2012 7:00 AM 0.03 0.0 M 0.0 M Few showers and thundershowers around.
7/2/2012 7:00 AM 0.00 0.0 M 0.0 M
7/3/2012 7:00 AM 0.02 0.0 M 0.0 M
7/4/2012 7:00 AM 0.00 0.0 M 0.0 M
7/5/2012 7:00 AM 0.07 0.0 M 0.0 M
7/6/2012 7:00 AM 0.48 0.0 M 0.0 M 0.02" shower around mid-day, then hard shower later probably with hail leaves 0.46".
7/7/2012 7:00 AM 2.08 0.0 M 0.0 M A bit damp.
7/8/2012 7:00 AM 0.47 0.0 M 0.0 M
7/9/2012 7:00 AM 0.49 0.0 M 0.0 M
7/10/2012 7:00 AM 0.00 0.0 M 0.0 M
7/11/2012 7:00 AM 0.00 0.0 M 0.0 M
7/12/2012 7:00 AM T 0.0 M 0.0 M
7/13/2012 7:00 AM 0.58 0.0 M 0.0 M Thunderstorm with heavy rain and considerable pea-sized hail.
7/14/2012 7:00 AM 0.00 0.0 M 0.0 M
7/15/2012 7:00 AM T 0.0 M 0.0 M
7/16/2012 7:00 AM 0.08 0.0 M 0.0 M
7/17/2012 7:00 AM 0.80 0.0 M 0.0 M Exactly 0.80". Thunderstorm 1:45 PM on the 16th leaves 0.60" with heavy rain and pea-sized hail. Several lightning strikes less than 1/2 mile from station. Shoers in evening leave 0.20".
7/18/2012 7:00 AM 0.00 0.0 M 0.0 M
7/19/2012 7:00 AM 0.03 0.0 M 0.0 M Light shower, no thunder.
7/20/2012 7:00 AM 0.00 0.0 M 0.0 M
7/21/2012 7:00 AM 0.00 0.0 M 0.0 M
7/22/2012 7:00 AM T 0.0 M 0.0 M
7/23/2012 7:00 AM 0.12 0.0 M 0.0 M
7/24/2012 7:00 AM 0.32 0.0 M 0.0 M Sharp thunderstorm with cloud to ground lightning close to station.
7/25/2012 7:00 AM 0.39 0.0 M 0.0 M Nocturnal thunderstorms.
7/26/2012 7:00 AM 0.00 0.0 M 0.0 M
7/27/2012 7:00 AM 0.00 0.0 M 0.0 M
7/28/2012 7:00 AM 0.06 0.0 M 0.0 M
7/29/2012 7:00 AM T 0.0 M 0.0 M
7/30/2012 7:00 AM 0.25 0.0 M 0.0 M
7/31/2012 7:00 AM 0.28 0.0 M 0.0 M
8/1/2012 7:00 AM 0.00 0.0 M 0.0 M
8/2/2012 7:00 AM 0.23 0.0 M 0.0 M Sharp thundershower with lightning less than 1,000 feet from the station. No hail.
8/3/2012 7:00 AM 0.00 0.0 M 0.0 M
8/4/2012 7:00 AM 0.00 0.0 M M M
8/5/2012 7:00 AM 0.00 0.0 M 0.0 M
8/6/2012 7:00 AM T 0.0 M 0.0 M
8/7/2012 7:00 AM 0.01 0.0 M 0.0 M
8/8/2012 7:00 AM T 0.0 M 0.0 M
8/9/2012 7:00 AM 0.00 0.0 M 0.0 M Smoke from Montana fires in the air.
8/10/2012 7:00 AM 0.00 0.0 M 0.0 M
8/11/2012 7:00 AM 0.04 0.0 M 0.0 M
8/12/2012 7:00 AM T 0.0 M 0.0 M
8/13/2012 7:00 AM 0.00 0.0 M 0.0 M
8/14/2012 7:00 AM 0.00 0.0 M 0.0 M
8/15/2012 7:00 AM 0.00 0.0 M 0.0 M
8/16/2012 7:00 AM T 0.0 M 0.0 M
8/17/2012 7:00 AM 0.15 0.0 M 0.0 M Afternoon rain.
8/18/2012 7:00 AM 0.00 0.0 M 0.0 M
8/19/2012 7:00 AM 0.00 0.0 M 0.0 M
8/20/2012 7:00 AM 0.00 0.0 M 0.0 M
8/21/2012 7:00 AM T 0.0 M 0.0 M
8/22/2012 7:00 AM 0.00 0.0 M 0.0 M
8/23/2012 7:00 AM 0.15 0.0 M 0.0 M
8/24/2012 7:00 AM T 0.0 M 0.0 M
8/25/2012 7:00 AM 0.01 0.0 M 0.0 M
8/26/2012 7:00 AM 0.00 0.0 M 0.0 M
8/27/2012 7:00 AM 0.00 0.0 M 0.0 M
8/28/2012 7:00 AM 0.04 0.0 M 0.0 M
8/29/2012 7:00 AM T 0.0 M 0.0 M
9/1/2012 7:00 AM 0.01 0.0 M 0.0 M
9/2/2012 7:00 AM 0.00 0.0 M 0.0 M
9/3/2012 7:00 AM 0.00 0.0 M 0.0 M
9/4/2012 7:00 AM T 0.0 M 0.0 M Nice, measurable shower to the west of station.
9/5/2012 7:00 AM 0.00 0.0 M 0.0 M
9/6/2012 7:00 AM 0.00 0.0 M 0.0 M
9/7/2012 7:00 AM 0.15 0.0 M 0.0 M Light rain overnight. Fresh snow above timberline, first observed of the season.
9/8/2012 7:00 AM 0.08 0.0 M 0.0 M
9/9/2012 7:00 AM 0.00 0.0 M 0.0 M
9/10/2012 7:00 AM 0.00 0.0 M 0.0 M
9/11/2012 7:00 AM 0.00 0.0 M 0.0 M
9/12/2012 7:00 AM 0.56 0.0 M 0.0 M
9/13/2012 7:00 AM 0.11 0.0 M 0.0 M Drizzle and rogue shower.
9/14/2012 7:00 AM 0.00 0.0 M 0.0 M
9/15/2012 7:00 AM 0.00 0.0 M 0.0 M
9/16/2012 7:00 AM 0.00 0.0 M 0.0 M
9/17/2012 7:00 AM 0.00 0.0 M 0.0 M Fresh snow overnight above timberline.
9/18/2012 7:00 AM 0.06 0.0 M 0.0 M
9/19/2012 7:00 AM 0.00 0.0 M 0.0 M
9/20/2012 7:00 AM 0.00 0.0 M 0.0 M
9/21/2012 7:00 AM 0.00 0.0 M 0.0 M
9/22/2012 7:00 AM 0.00 0.0 M 0.0 M
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 0.00 0.0 M 0.0 M
9/26/2012 7:00 AM 0.63 0.0 M 0.0 M Overnight rain. Fresh snow above 10,000 feet.
9/27/2012 7:00 AM 0.21 0.0 M 0.0 M
9/28/2012 7:00 AM 0.22 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 0.00 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