Station Overview Station Location
Station Number CO-JF-267 Latitude 39.77385
Station Name Golden 9.4 WNW Longitude -105.38644
County Jefferson Elevation (ft) 8730



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 2.77 28 1.57 24 1.20 4 2 7 1 21.6 4 8
Nov 11 1.05 0.54 28 0.54 28 0.00 0 0 3 3 7.9 2 4
Dec 11 0.82 0.89 31 0.89 31 0.00 0 0 7 5 27.6 7 29
Jan 12 0.60 0.58 30 0.58 30 0.00 0 0 4 3 9.9 7 25
Feb 12 0.70 1.44 28 1.44 28 0.00 0 0 10 1 28.8 9 26
March 12 1.99 0.04 30 0.04 30 0.00 0 0 1 5 0.0 0 9
April 12 2.61 1.48 30 1.48 30 0.00 0 0 8 2 9.1 5 4
May 12 2.39 1.55 29 1.55 29 0.00 0 0 7 0 7.5 3 3
June 12 2.23 0.50 35 0.35 9 0.15 26 1 5 0 0.0 0 0
July 12 2.38 3.64 31 3.35 29 0.29 2 1 15 5 0.0 0 0
Aug 12 2.71 0.92 29 0.92 29 0.00 0 0 11 3 0.0 0 0
Sept 12 1.64 1.85 30 1.85 30 0.00 0 0 10 2 0.0 0 0
Water Year Totals: 20.55" 16.20" 359 days 14.56" 327 1.64" 32 days 4 88 days 30 days 112.4" 37 days 108 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 1.13
10/3/2011 **
10/4/2011 0.07
10/5/2011 0.01
10/6/2011 0.00
10/7/2011 0.03
10/8/2011 0.19
10/9/2011 0.33
10/10/2011 0.00
10/11/2011
10/12/2011 0.06
10/13/2011 0.00
10/14/2011 0.00
10/15/2011 0.00
10/16/2011 0.00
10/17/2011 T
10/18/2011 0.00
10/19/2011 0.00
10/20/2011 0.00
10/21/2011
10/22/2011 0.00
10/23/2011
10/24/2011 0.00
10/25/2011 0.00
10/26/2011 0.82
10/27/2011 0.13
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 0.45
11/3/2011 0.07
11/4/2011 0.00
11/5/2011 0.00
11/6/2011 0.00
11/7/2011 0.00
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 T
11/14/2011 T
11/15/2011 0.00
11/16/2011 0.00
11/17/2011 0.00
11/18/2011 0.00
11/19/2011 0.00
11/20/2011
11/21/2011 0.00
11/22/2011 0.00
11/23/2011 0.00
11/24/2011 0.00
11/25/2011 0.00
11/26/2011 0.02
11/27/2011 0.00
11/28/2011 0.00
11/29/2011
11/30/2011 0.00
12/1/2011 0.15
12/2/2011 0.15
12/3/2011 0.07
12/4/2011 0.01
12/5/2011 0.05
12/6/2011 0.00
12/7/2011 0.00
12/8/2011 T
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 T
12/20/2011 0.04
12/21/2011 0.00
12/22/2011 0.42
12/23/2011 T
12/24/2011 0.00
12/25/2011 0.00
12/26/2011 0.00
12/27/2011 0.00
12/28/2011 0.00
12/29/2011 0.00
12/30/2011 T
12/31/2011 T
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 0.41
1/9/2012 0.00
1/10/2012 0.00
1/11/2012 0.03
1/12/2012 0.12
1/13/2012 0.00
1/14/2012 0.00
1/15/2012 0.00
1/16/2012 0.00
1/17/2012
1/18/2012 0.02
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 T
1/26/2012 0.00
1/27/2012 T
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 0.61
2/4/2012 0.24
2/5/2012 0.00
2/6/2012 0.00
2/7/2012 0.16
2/8/2012 0.00
2/9/2012 0.00
2/10/2012 T
2/11/2012 0.01
2/12/2012 0.00
2/13/2012 0.09
2/14/2012 0.00
2/15/2012 0.00
2/16/2012 0.00
2/17/2012 0.00
2/18/2012 0.01
2/19/2012 0.00
2/20/2012 0.02
2/21/2012 0.00
2/22/2012
2/23/2012 0.25
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 0.04
3/1/2012 T
3/2/2012 0.04
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 T
3/9/2012 0.00
3/10/2012 0.00
3/11/2012 0.00
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 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
3/31/2012 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2012 0.00
4/2/2012 T
4/3/2012 0.27
4/4/2012 0.27
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 0.19
4/13/2012 T
4/14/2012 0.00
4/15/2012 0.47
4/16/2012 0.17
4/17/2012 0.00
4/18/2012 0.00
4/19/2012 0.01
4/20/2012 0.01
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 0.09
4/28/2012 0.00
4/29/2012 0.00
4/30/2012 0.00
5/1/2012 0.00
5/2/2012 0.00
5/3/2012 0.00
5/4/2012 0.00
5/5/2012 0.00
5/6/2012 0.00
5/7/2012
5/8/2012 0.26
5/9/2012 0.00
5/10/2012 0.00
5/11/2012
5/12/2012 0.41
5/13/2012 0.22
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 0.01
5/20/2012 0.30
5/21/2012 0.00
5/22/2012 0.00
5/23/2012 0.00
5/24/2012 0.34
5/25/2012 0.01
5/26/2012 0.00
5/27/2012 0.00
5/28/2012 0.00
5/29/2012 0.00
5/30/2012 0.00
5/31/2012 0.00
6/1/2012 0.00
6/2/2012 0.00
6/3/2012 0.10 **
6/4/2012 0.01 **
6/5/2012 0.00 **
6/6/2012 **
6/7/2012 0.21 **
6/8/2012 **
6/9/2012 **
6/10/2012 0.00 **
6/11/2012 **
6/12/2012 **
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 **
6/24/2012 **
6/25/2012 **
6/26/2012 **
6/27/2012 **
6/28/2012 0.15
6/29/2012 0.01
6/30/2012 0.02
Day of YearDaily PrcpMultiday Prcp
7/1/2012 0.01
7/2/2012 T
7/3/2012 0.01
7/4/2012 0.29
7/5/2012 0.00
7/6/2012 0.00
7/7/2012 1.31
7/8/2012 0.34
7/9/2012 0.19
7/10/2012 T
7/11/2012 0.00
7/12/2012 0.00
7/13/2012 0.01
7/14/2012 0.00
7/15/2012 0.00
7/16/2012 0.06
7/17/2012 0.09
7/18/2012 0.01
7/19/2012 T
7/20/2012 0.00
7/21/2012 0.00
7/22/2012 T
7/23/2012 0.09
7/24/2012 0.11
7/25/2012 0.17
7/26/2012 0.00
7/27/2012 T
7/28/2012 0.51
7/29/2012 **
7/30/2012 0.29
7/31/2012 0.15
8/1/2012 T
8/2/2012 0.34
8/3/2012 T
8/4/2012 0.00
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 0.01
8/12/2012 0.01
8/13/2012 0.00
8/14/2012 0.03
8/15/2012 0.00
8/16/2012 0.00
8/17/2012 0.00
8/18/2012 0.01
8/19/2012 T
8/20/2012 0.00
8/21/2012 0.01
8/22/2012
8/23/2012 0.38
8/24/2012 0.07
8/25/2012 0.01
8/26/2012 0.00
8/27/2012 0.00
8/28/2012 0.03
8/29/2012 0.00
8/30/2012
8/31/2012 0.02
9/1/2012 0.00
9/2/2012 0.22
9/3/2012 0.04
9/4/2012 0.01
9/5/2012 0.00
9/6/2012 0.00
9/7/2012 0.07
9/8/2012 T
9/9/2012 0.00
9/10/2012 0.00
9/11/2012 0.00
9/12/2012 0.67
9/13/2012 0.27
9/14/2012 T
9/15/2012 0.00
9/16/2012 0.00
9/17/2012 0.00
9/18/2012 0.02
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 0.10
9/27/2012 0.22
9/28/2012 0.23
9/29/2012 0.00
9/30/2012 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/5/2011 7:00 AM 0.01 M M M M
10/6/2011 7:00 AM 0.00 0.0 M 0.0 M
10/7/2011 7:00 AM 0.03 0.0 M 0.0 M
10/8/2011 7:00 AM 0.19 2.5 0.21 2.5 0.19
10/9/2011 8:00 AM 0.33 6.6 0.18 2.4 0.18
10/10/2011 7:00 AM 0.00 0.0 0.00 T 0.00
10/12/2011 12:40 PM 0.06 0.0 0.00 0.0 0.00
10/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/14/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/15/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/16/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/17/2011 7:30 AM T T M T M
10/18/2011 7:20 AM 0.00 0.0 M 0.0 M
10/19/2011 8:00 AM 0.00 0.0 M 0.0 M
10/20/2011 7:00 AM 0.00 0.0 M 0.0 M
10/22/2011 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 8:00 AM 0.82 10.0 0.94 10.0 0.94
10/27/2011 7:15 AM 0.13 2.5 0.24 13.0 M
10/28/2011 7:00 AM 0.00 0.0 M 6.5 M
10/29/2011 7:00 AM 0.00 0.0 M 4.0 M
10/30/2011 7:00 AM 0.00 0.0 M 3.0 M
10/31/2011 7:00 AM 0.00 0.0 M 2.5 0.55
11/1/2011 7:00 AM 0.00 0.0 M 0.0 M
11/2/2011 7:00 AM 0.45 7.5 0.55 7.5 0.55
11/3/2011 7:38 AM 0.07 T M 5.5 0.27
11/4/2011 7:00 AM 0.00 0.0 M 2.5 0.44
11/5/2011 7:30 AM 0.00 0.0 M 0.0 M
11/6/2011 7:00 AM 0.00 0.0 M 0.0 M
11/7/2011 7:00 AM 0.00 0.0 M 0.0 M
11/8/2011 7:00 AM T T T T T
11/9/2011 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
11/12/2011 7:00 AM 0.00 0.0 M 0.0 M
11/13/2011 7:00 AM T T M 0.0 M
11/14/2011 7:00 AM T T M T M
11/15/2011 7:00 AM 0.00 0.0 M 0.0 M
11/16/2011 7:00 AM 0.00 0.0 M 0.0 M
11/17/2011 7:00 AM 0.00 0.0 M 0.0 M
11/18/2011 7:00 AM 0.00 0.0 M 0.0 M
11/19/2011 7:00 AM 0.00 0.0 M 0.0 M
11/21/2011 7:00 AM 0.00 0.0 M 0.0 M
11/22/2011 7:00 AM 0.00 0.0 M 0.0 M
11/23/2011 7:00 AM 0.00 0.0 M 0.0 M
11/24/2011 7:00 AM 0.00 0.0 M 0.0 M
11/25/2011 7:00 AM 0.00 0.0 M 0.0 M
11/26/2011 7:00 AM 0.02 0.4 0.03 0.4 0.03
11/27/2011 7:00 AM 0.00 0.0 M 0.0 M
11/28/2011 7:00 AM 0.00 0.0 M 0.0 M
11/30/2011 7:00 AM 0.00 0.0 M 0.0 M
12/1/2011 7:00 AM 0.15 8.0 0.15 8.0 0.25
12/2/2011 8:00 AM 0.15 1.3 0.04 6.5 0.25
12/3/2011 7:15 AM 0.07 2.5 0.10 4.5 M
12/4/2011 12:15 PM 0.01 0.8 0.01 3.0 M
12/5/2011 8:00 AM 0.05 2.4 0.08 5.0 0.19
12/6/2011 7:00 AM 0.00 0.0 M 5.5 M
12/7/2011 8:00 AM 0.00 0.0 M 5.0 M
12/8/2011 7:00 AM T T M 2.5 M
12/9/2011 7:00 AM 0.00 0.0 M M M
12/10/2011 7:00 AM 0.00 0.0 M 2.0 M
12/11/2011 7:00 AM 0.00 0.0 M 1.5 M
12/12/2011 7:00 AM 0.00 0.0 M 1.5 0.48
12/13/2011 7:30 AM 0.00 0.0 M 1.0 M
12/14/2011 7:30 AM 0.00 0.0 M 1.0 M
12/15/2011 7:00 AM 0.00 0.0 M 1.0 M
12/16/2011 7:00 AM 0.00 0.0 M 1.0 M
12/17/2011 9:00 AM 0.00 0.0 M 1.0 M
12/18/2011 7:00 AM 0.00 0.0 M 0.5 M
12/19/2011 7:00 AM T T M 0.5 0.35
12/20/2011 7:00 AM 0.04 0.6 0.04 0.5 0.04
12/21/2011 7:00 AM 0.00 0.0 M 0.0 M
12/22/2011 7:15 AM 0.42 12.0 0.64 12.0 0.64
12/23/2011 7:30 AM T T T 12.0 0.94
12/24/2011 7:00 AM 0.00 0.0 M 9.5 M
12/25/2011 10:15 AM 0.00 0.0 M 7.0 M
12/26/2011 7:30 AM 0.00 0.0 M 6.0 0.71
12/27/2011 8:00 AM 0.00 0.0 M 5.5 M
12/28/2011 7:30 AM 0.00 0.0 M 5.5 M
12/29/2011 8:00 AM 0.00 0.0 M 5.5 M
12/30/2011 7:00 AM T T M 4.0 M
12/31/2011 7:00 AM T T M 3.0 M
1/1/2012 7:45 AM 0.00 0.0 M 3.0 M
1/2/2012 8:00 AM 0.00 0.0 0.00 3.0 0.74
1/3/2012 7:00 AM 0.00 0.0 M M M
1/4/2012 7:00 AM 0.00 0.0 M 2.0 M
1/5/2012 7:00 AM 0.00 0.0 M 1.0 M
1/6/2012 7:00 AM 0.00 0.0 M T M
1/7/2012 7:00 AM 0.00 0.0 M T M
1/8/2012 5:00 PM 0.41 4.5 0.46 4.5 0.46 Elk running all over due to changeable weather, from balmy to blizzards.
1/9/2012 7:00 AM 0.00 0.0 M 4.0 0.37
1/10/2012 7:00 AM 0.00 0.0 M 2.5 M
1/11/2012 8:45 AM 0.03 2.5 0.05 4.0 M
1/12/2012 8:45 AM 0.12 2.0 0.13 4.0 M Some of the new snow is windblown. The rain gauge and hail pad base where new snow is measured are on the top of a north-south trending ridge. Snow blown off the ridge is in rough equilibrium with snow added to the top of the ridge.
1/13/2012 8:15 AM 0.00 0.0 M 5.0 M
1/14/2012 8:30 AM 0.00 0.0 M 4.5 M
1/15/2012 9:00 AM 0.00 0.0 M 3.5 M
1/16/2012 7:45 AM 0.00 0.0 M 4.5 0.72
1/18/2012 7:00 AM 0.02 0.3 0.02 4.5 M
1/19/2012 8:20 AM 0.00 0.0 M 4.0 M
1/20/2012 7:00 AM 0.00 0.0 M 3.0 M
1/21/2012 7:00 AM 0.00 0.0 M 2.5 M
1/22/2012 7:00 AM T 0.2 T 2.5 M
1/23/2012 8:00 AM 0.00 0.0 M 2.5 0.79
1/24/2012 8:00 AM 0.00 0.0 M 2.5 M
1/25/2012 7:00 AM T 0.2 T 2.0 M
1/26/2012 7:00 AM 0.00 0.0 M 2.0 M
1/27/2012 7:45 AM T 0.2 T 1.0 M
1/28/2012 7:00 AM 0.00 0.0 M 1.0 M
1/29/2012 8:00 AM 0.00 0.0 M 1.0 M
1/30/2012 7:00 AM 0.00 0.0 M 0.0 0.00
1/31/2012 7:00 AM 0.00 0.0 M 0.0 M
2/1/2012 7:00 AM 0.00 0.0 M 0.0 M
2/2/2012 7:00 AM 0.00 0.0 M 0.0 M
2/3/2012 7:20 AM 0.61 14.5 0.61 14.5 0.61 Drifts at least 3 ft on east side of house.
2/4/2012 7:45 AM 0.24 3.5 0.24 16.0 M
2/5/2012 7:00 AM 0.00 0.0 M 13.5 M
2/6/2012 7:00 AM 0.00 0.0 M 9.5 0.96
2/7/2012 7:45 AM 0.16 4.6 0.16 13.5 0.91
2/8/2012 7:40 AM 0.00 0.0 M 10.5 M
2/9/2012 7:30 AM 0.00 0.0 M 7.5 M
2/10/2012 8:30 AM T T M 7.0 M
2/11/2012 7:30 AM 0.01 0.3 0.01 7.5 M
2/12/2012 8:30 AM 0.00 0.0 M 6.5 M
2/13/2012 7:40 AM 0.09 0.5 0.05 6.5 1.30
2/14/2012 7:00 AM 0.00 0.0 M 6.0 M
2/15/2012 7:30 AM 0.00 0.0 M 6.0 M
2/16/2012 7:00 AM 0.00 0.0 M 6.0 M
2/17/2012 7:00 AM 0.00 0.0 M 6.0 M
2/18/2012 9:40 AM 0.01 1.0 0.04 6.5 M
2/19/2012 7:45 AM 0.00 0.0 M 5.0 M
2/20/2012 7:45 AM 0.02 0.5 0.02 6.0 1.04
2/21/2012 7:00 AM 0.00 0.0 M 5.0 M
2/23/2012 7:30 AM 0.25 3.5 0.40 8.0 1.31
2/24/2012 8:00 AM 0.01 T 0.01 6.0 M
2/25/2012 7:20 AM 0.00 0.0 M 6.0 M
2/26/2012 7:00 AM 0.00 0.0 M 5.0 M
2/27/2012 7:00 AM 0.00 0.0 M 4.0 1.20
2/28/2012 7:30 AM 0.00 0.0 M 4.0 M
2/29/2012 7:00 AM 0.04 0.4 M 4.0 M
3/1/2012 7:00 AM T T T 4.0 M
3/2/2012 7:00 AM 0.04 T M 4.0 M
3/3/2012 7:00 AM 0.00 0.0 M 4.0 M
3/4/2012 7:00 AM 0.00 0.0 M 4.0 M
3/5/2012 7:00 AM 0.00 0.0 M 4.0 1.24
3/6/2012 7:30 AM 0.00 0.0 M 4.0 M
3/7/2012 7:00 AM T T M 3.0 M
3/8/2012 7:00 AM T T M 3.0 M
3/9/2012 7:00 AM 0.00 0.0 M 2.5 M
3/10/2012 7:00 AM 0.00 0.0 M M M
3/11/2012 8:20 AM 0.00 0.0 M 0.0 M
3/12/2012 7:00 AM T T M 0.0 M
3/13/2012 7:00 AM 0.00 0.0 M 0.0 M
3/14/2012 7:00 AM 0.00 0.0 M 0.0 M
3/15/2012 8:30 AM 0.00 0.0 M 0.0 M
3/16/2012 8:00 AM 0.00 0.0 M 0.0 M
3/17/2012 8:00 AM 0.00 0.0 M 0.0 M
3/18/2012 8:00 AM 0.00 0.0 M 0.0 M
3/19/2012 7:00 AM T T M 0.0 M
3/20/2012 7:00 AM 0.00 0.0 M 0.0 M
3/21/2012 7:00 AM 0.00 0.0 M M M
3/22/2012 7:00 AM 0.00 0.0 M 0.0 M
3/23/2012 7:00 AM 0.00 0.0 M 0.0 M
3/24/2012 7:00 AM 0.00 0.0 M 0.0 M
3/25/2012 7:00 AM 0.00 0.0 M 0.0 M
3/26/2012 7:00 AM 0.00 0.0 M 0.0 M
3/27/2012 7:00 AM 0.00 0.0 M 0.0 M
3/28/2012 7:00 AM 0.00 0.0 M 0.0 M
3/29/2012 7:00 AM 0.00 0.0 M 0.0 M
3/31/2012 7:00 AM 0.00 0.0 M 0.0 M
4/1/2012 7:00 AM 0.00 0.0 M 0.0 M
4/2/2012 7:00 AM T T T T T
4/3/2012 7:15 AM 0.27 2.5 0.27 2.5 0.42
4/4/2012 7:45 AM 0.27 1.5 0.24 4.5 0.41
4/5/2012 7:00 AM 0.00 0.0 M 0.0 M
4/6/2012 7:00 AM 0.00 0.0 M 0.0 M
4/7/2012 7:00 AM 0.00 0.0 M 0.0 M
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 0.19 0.0 M 0.0 M See separate hail report dated 4/11/2012
4/13/2012 7:00 AM T T M 0.0 M
4/14/2012 7:00 AM 0.00 0.0 M 0.0 M
4/15/2012 8:30 AM 0.47 4.5 0.18 4.5 0.18
4/16/2012 7:20 AM 0.17 0.5 0.17 1.0 0.12
4/17/2012 7:00 AM 0.00 0.0 M 0.0 M
4/18/2012 8:00 AM 0.00 0.0 M 0.0 M
4/19/2012 7:00 AM 0.01 0.0 M 0.0 M
4/20/2012 7:00 AM 0.01 0.1 M T 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 0.00 0.0 M 0.0 M
4/26/2012 7:00 AM 0.00 0.0 M 0.0 M
4/27/2012 8:15 AM 0.09 0.0 M 0.0 M
4/28/2012 7:00 AM 0.00 0.0 M 0.0 M
4/29/2012 7:00 AM 0.00 0.0 M 0.0 M
4/30/2012 8:00 AM 0.00 0.0 M 0.0 M
5/1/2012 9:00 AM 0.00 0.0 M 0.0 M
5/2/2012 9:00 AM 0.00 0.0 M 0.0 M
5/3/2012 9:00 AM 0.00 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
5/8/2012 7:30 AM 0.26 0.8 0.11 3.5 0.37
5/9/2012 7:30 AM 0.00 0.0 M 0.0 M
5/10/2012 7:00 AM 0.00 0.0 M 0.0 M
5/12/2012 7:15 AM 0.41 6.5 0.37 6.5 0.30
5/13/2012 8:00 AM 0.22 T M T M
5/14/2012 7:00 AM 0.00 0.0 M 0.0 M
5/15/2012 7:00 AM 0.00 0.0 M 0.0 M
5/16/2012 9:00 AM 0.00 0.0 M 0.0 M
5/17/2012 8:00 AM 0.00 0.0 M 0.0 M
5/18/2012 1:00 PM 0.00 0.0 M 0.0 M
5/19/2012 7:20 AM 0.01 0.0 M 0.0 M
5/20/2012 7:30 AM 0.30 0.0 M 0.0 M
5/21/2012 7:00 AM 0.00 0.0 M 0.0 M
5/22/2012 10:00 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 6:45 AM 0.34 0.2 0.50 0.2 0.50 See separate hail report for 5.23.2012
5/25/2012 6:45 AM 0.01 T M 0.0 M
5/26/2012 9:00 AM 0.00 0.0 M 0.0 M
5/27/2012 9:00 AM 0.00 0.0 M 0.0 M
5/28/2012 7:00 AM 0.00 0.0 M 0.0 M
5/29/2012 8:00 AM 0.00 0.0 M 0.0 M
5/30/2012 7:00 AM 0.00 0.0 M 0.0 M
5/31/2012 7:00 AM 0.00 0.0 M 0.0 M
6/1/2012 7:00 AM 0.00 0.0 M M M
6/2/2012 7:00 AM 0.00 0.0 M 0.0 M
6/3/2012 8:10 AM 0.10 0.0 M 0.0 M
6/4/2012 7:00 AM 0.01 0.0 M 0.0 M
6/5/2012 7:00 AM 0.00 0.0 M 0.0 M
6/7/2012 7:00 AM 0.21 0.0 M 0.0 M See hail report of 6/6/2012. Hail started at 5:24 PM as I was leaving for town. I was worried that there might be a flash flood in Golden Gate Canyon, but the rain subsided as it moved east and didn't amount to much.
6/10/2012 7:00 AM 0.00 0.0 M 0.0 M
6/29/2012 7:00 AM 0.01 0.0 M 0.0 M
6/30/2012 9:00 AM 0.02 0.0 M 0.0 M
7/1/2012 7:50 AM 0.01 0.0 M 0.0 M
7/2/2012 7:00 AM T 0.0 M 0.0 M
7/3/2012 7:00 AM 0.01 0.0 M 0.0 M
7/4/2012 7:30 AM 0.29 0.0 M 0.0 M
7/5/2012 7:00 AM 0.00 0.0 M 0.0 M
7/6/2012 7:00 AM 0.00 0.0 M 0.0 M
7/7/2012 7:00 AM 1.31 0.0 M 0.0 M
7/8/2012 9:00 AM 0.34 0.0 M 0.0 M
7/9/2012 7:00 AM 0.19 0.0 M 0.0 M
7/10/2012 7:00 AM T 0.0 M 0.0 M
7/11/2012 8:00 AM 0.00 0.0 M 0.0 M
7/12/2012 7:00 AM 0.00 0.0 M 0.0 M
7/13/2012 7:00 AM 0.01 0.0 M 0.0 M
7/14/2012 7:00 AM 0.00 0.0 M 0.0 M
7/15/2012 7:00 AM 0.00 0.0 M 0.0 M
7/16/2012 7:00 AM 0.06 0.0 M 0.0 M
7/17/2012 7:00 AM 0.09 0.0 M 0.0 M
7/18/2012 7:00 AM 0.01 0.0 M 0.0 M
7/19/2012 7:00 AM T 0.0 M 0.0 M
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 8:06 AM 0.09 0.0 M 0.0 M
7/24/2012 7:00 AM 0.11 0.0 M 0.0 M
7/25/2012 7:00 AM 0.17 0.0 M 0.0 M About 25 rice sized hail stones impacted the hail pad.
7/26/2012 7:00 AM 0.00 0.0 M 0.0 M
7/27/2012 7:00 AM T 0.0 M 0.0 M
7/28/2012 7:00 AM 0.51 0.0 M 0.0 M
7/31/2012 7:00 AM 0.15 0.0 M 0.0 M
8/1/2012 7:00 AM T 0.0 M 0.0 M
8/2/2012 7:00 AM 0.34 0.0 M 0.0 M
8/3/2012 7:00 AM T 0.0 M 0.0 M
8/4/2012 8:00 AM 0.00 0.0 M 0.0 M
8/5/2012 7:00 AM 0.00 0.0 M 0.0 M
8/6/2012 7:00 AM 0.00 0.0 M M M
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
8/9/2012 7:00 AM 0.00 0.0 M M M
8/10/2012 7:00 AM 0.00 0.0 M 0.0 M
8/11/2012 7:00 AM 0.01 0.0 M 0.0 M
8/12/2012 7:00 AM 0.01 0.0 M 0.0 M
8/13/2012 7:00 AM 0.00 0.0 M 0.0 M
8/14/2012 9:40 AM 0.03 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 0.00 0.0 M M M
8/17/2012 6:30 AM 0.00 0.0 M 0.0 M
8/18/2012 7:00 AM 0.01 0.0 M 0.0 M
8/19/2012 7:00 AM T 0.0 M 0.0 M
8/20/2012 7:00 AM 0.00 0.0 M 0.0 M
8/21/2012 8:30 AM 0.01 0.0 M 0.0 M
8/23/2012 7:00 AM 0.38 0.0 M 0.0 M
8/24/2012 6:00 AM 0.07 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 0.03 0.0 M 0.0 M
8/29/2012 7:00 AM 0.00 0.0 M 0.0 M
8/31/2012 7:00 AM 0.02 0.0 M 0.0 M
9/1/2012 7:00 AM 0.00 0.0 M M M
9/2/2012 11:30 AM 0.22 0.0 M 0.0 M
9/3/2012 7:00 AM 0.04 0.0 M 0.0 M
9/4/2012 7:00 AM 0.01 0.0 M 0.0 M
9/5/2012 7:00 AM 0.00 0.0 M M M
9/6/2012 9:00 AM 0.00 0.0 M 0.0 M
9/7/2012 8:00 AM 0.07 0.0 M 0.0 M
9/8/2012 8:50 AM T 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 0.67 0.0 M 0.0 M
9/13/2012 7:00 AM 0.27 0.0 M 0.0 M
9/14/2012 7:00 AM T 0.0 M M 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 M M
9/18/2012 7:00 AM 0.02 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 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 0.10 0.0 M 0.0 M
9/27/2012 7:00 AM 0.22 0.0 M 0.0 M
9/28/2012 7:00 AM 0.23 0.0 M 0.0 M Hail fell part way through this storm, at 1:58 PM. See separate hail report.
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
9/1/2011 10/02/2011 7:00 AM 32 1.13 0.0 0.00
10/3/2011 10/04/2011 8:00 AM 2 0.07 0.0 0.00 I submitted a multi day report on 10/2. Then I forgot to look at the rain gauge on 10/3. Today (10/4)I found .07 inches in the gauge, which is an outlier among local stations for either 10/3 or 10/4. However, I know that I fully emptied the gauge on 10/2, measuring 1.0 in plus 0.13 in = 1.13 in. So although I don't understand the high reading that I am reporting today, I have no reason to believe that it is incorrect.
6/3/2012 6/28/2012 10:45 AM 26 0.15 M M
7/29/2012 7/30/2012 7:00 AM 2 0.29 M M



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
1/1/0001 12:00 AM NA NA NA False
4/11/2012 4:24 PM 1/4" Pea Size 1/4" Pea Size Rice Hard|White Ice 6 1min no damage Continuous False After rain Same time as smaller hail 10-20 7200 .2 .25
5/19/2012 5:00 PM This report was written and submitted on 5.24.2012 after I realized that a report I had written on 5.19.2012 was not submitted. The pad submitted with this report had been out from 4.12.2012 to 5.19.2012 and endured two snowstorms and damage from using the rain gauge to extract cores. The indentations on the pad show the effects of both graupel and hail. 1/4" Pea Size Rice Rice Hard 20 10min no damage True Before rain Same time as smaller hail vertical 1000 .2 .2
1/1/0001 12:00 AM NA NA NA False
5/23/2012 4:00 PM This storm is best described as hail turning to snow and then to rain. 1/4" Pea Size Rice Rice Hard|White Ice 15 10min True Before rain 10-20 1000 .2 0.2
6/6/2012 5:24 PM Storm began as I was leaving the house to go to Golden, so I don't know the details of when and how it ended. The hail grew to be great slushy balls that splattered on the car windows as I dropped from elevation 8750 to 8200 ft at Douglas Mountain Drive during the period 5:20PM to 5:26PM. When I collected the hail pad at 7:00 AM on 6/7 there were 3 strikes of hard hail. The remainder were the slush balls observed in the car. I heard an occasional hard strike while I was driving. Temperature on on the undercarriage car thermometer was 57 degrees F. 5/8" 1/2" Grape 1/4" Pea Size Hard|Soft|Mixed|White Ice 10 3min no damage True After rain vertical 144 0.7
6/26/2012 2:00 PM We were out of town. Date and time confirmed as 6/26, afternoon, hail preceding most of the rain by one neighbor's observation. Another neighbor's weather station (Weather Underground station KCOGOLDE14 0.5 miles east) showed precipitation between 2 and 4 PM. Followed at 6:10 PM by an abrupt rise in barometric pressure accompanied by decreasing rain until 7:50 PM. CO-JF-331 (Golden 12.5 NW)Reported hail for 3 minutes beginning at 7:03 PM. 3/8" 1/4" Pea Size Rice Mixed 10min no damage False Before rain 576 0.5
7/6/2012 8:30 PM I revisited the rain gauge at 7:00 AM and found 1.31 inches of precip. White hail had covered the ground south of the house about 8:45 PM, but it was all gone in the morning. The neighbors' rain gauge 0.5 miles east (KCOGOLDE14) recorded rain beginning at 20:00, building to 1 in/hr at at 21:30, maxing at 1.14 in/hr at 22:00, .43 in/hr at 22:30, .19 in/hr at 23:00, .04 in/hr at 23:30. Light rain fell in their gauge between 01:00 and 06:00 on 7/7, peaking at .17 in/hr at 02:30. Any hail strikes that may have formed on the hail pad had been annealed by the hard rain that followed most of the hail. I have photographed the pad and will email it in. NA 3/8" 3/8" Soft 5 10min Intermittent False After rain Same time as smaller hail vertical 0.25
7/24/2012 9:10 PM I did not retire the hail pad after this insignificant hail event in a big rain storm. Rice Rice Rice Hard 1 10min True After rain 25
9/2/2012 4:30 PM This hail storm was not worthy of collecting the hail pad. Rice Rice Rice Hard False 50
9/26/2012 1:51 PM 1/4" Pea Size Rice Rice Hard 9 1min no damage Continuous True Same time as rain Same time as smaller hail vertical 2760 0.25
9/27/2012 1:58 PM Rice Rice Rice Hard 3 Continuous True After rain vertical .2
9/30/2012 11:56 AM 1/4" Pea Size Rice Rice Hard 10 2min no damage Intermittent True Same time as rain Same time as smaller hail vertical 3600 .2 .3
9/30/2012 1:45 PM This is a second hail report for hail that fell on 9/30 after I collected the first hail pad at 1:50 PM. When I checked the rain gauge on October 1 there was .18 inches of precip, consistent with my wife's and my observations, but an outlier compared to surrounding stations that reported .03 to .05. I didn't study the hail pad because it was covered with ice. Today (10/4) I brought in the hail pad and discovered, and from lack of precipitation on other days, concluded that the hail fell on 9/30. Heavy precipitation was reported on the neighbor's Weather Underground station KC0GOLDE14 0.5 miles east of my rain gauge. It showed rain starting at 12 noon, rising to a peak of .09 in/hr at 1 PM, .04 in/hr at 2:00 PM, .01 in/hr at 3:00 PM, .03 in/hr at 4:00 PM, finally ending at 5:30 PM. I think that originally more numerous indentations on the hail pad may have been annealed during the heaviest period of rain. However, tiny strikes were NOT annealed. suggesting that hail may have fallen in 2 events, one before and the other after the heaviest rain. Rice Rice Rice Hard 10min no damage Intermittent True Same time as rain 1152