Station Overview Station Location
Station Number CO-JF-365 Latitude 39.7197303771973
Station Name Golden 2.1 SW Longitude -105.247161865234
County Jefferson Elevation (ft) 7444



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 12 1.65 1.26 31 1.26 31 0.00 0 0 7 0 7.1 3 5
Nov 12 1.53 0.30 30 0.30 30 0.00 0 0 1 1 1.6 1 2
Dec 12 0.86 0.67 31 0.67 31 0.00 0 0 8 2 16.2 7 16
Jan 13 0.78 0.43 31 0.43 31 0.00 0 0 3 4 4.5 3 5
Feb 13 0.92 2.02 28 2.02 28 0.00 0 0 9 1 30.9 9 18
March 13 2.69 2.92 31 2.92 31 0.00 0 0 9 2 34.8 9 23
April 13 2.78 3.38 30 3.38 30 0.00 0 0 12 4 46.7 11 14
May 13 2.92 3.07 31 3.07 31 0.00 0 0 11 6 9.3 2 4
June 13 2.40 0.66 30 0.66 30 0.00 0 0 7 8 0.0 0 0
July 13 2.17 3.63 31 3.63 31 0.00 0 0 18 2 0.0 0 0
Aug 13 2.25 1.52 31 1.52 31 0.00 0 0 16 8 0.0 0 0
Sept 13 1.50 12.64 30 12.64 30 0.00 0 0 11 4 0.0 0 0
Water Year Totals: 22.45" 32.50" 365 days 32.50" 365 0.00" 0 days 0 112 days 42 days 151.1" 45 days 87 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
10/1/2012 0.00
10/2/2012 0.00
10/3/2012 0.00
10/4/2012 0.00
10/5/2012 0.27
10/6/2012 0.16
10/7/2012 0.00
10/8/2012 0.00
10/9/2012 0.00
10/10/2012 0.00
10/11/2012 0.00
10/12/2012 0.00
10/13/2012 0.02
10/14/2012 0.05
10/15/2012 0.00
10/16/2012 0.02
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.00
10/20/2012 0.00
10/21/2012 0.00
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.70
10/26/2012 0.04
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 0.00
10/30/2012 0.00
10/31/2012 0.00
11/1/2012 0.00
11/2/2012 0.00
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.00
11/9/2012 0.00
11/10/2012 0.00
11/11/2012 0.30
11/12/2012 0.00
11/13/2012 0.00
11/14/2012 0.00
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 T
11/28/2012 0.00
11/29/2012 0.00
11/30/2012 0.00
12/1/2012 0.00
12/2/2012 0.00
12/3/2012 0.00
12/4/2012 0.00
12/5/2012 0.00
12/6/2012 T
12/7/2012 0.00
12/8/2012 0.00
12/9/2012 0.02
12/10/2012 0.00
12/11/2012 0.05
12/12/2012 0.00
12/13/2012 0.00
12/14/2012 0.00
12/15/2012 T
12/16/2012 0.00
12/17/2012 0.00
12/18/2012 0.07
12/19/2012 0.15
12/20/2012 0.16
12/21/2012 0.00
12/22/2012 0.00
12/23/2012 0.00
12/24/2012 0.00
12/25/2012 0.17
12/26/2012 0.00
12/27/2012 0.00
12/28/2012 0.01
12/29/2012 0.00
12/30/2012 0.00
12/31/2012 0.04
Day of YearDaily PrcpMultiday Prcp
1/1/2013 0.01
1/2/2013 0.00
1/3/2013 0.00
1/4/2013 0.00
1/5/2013 0.00
1/6/2013 0.00
1/7/2013 0.00
1/8/2013 0.00
1/9/2013 0.00
1/10/2013 0.00
1/11/2013 0.00
1/12/2013 T
1/13/2013 T
1/14/2013 0.01
1/15/2013 T
1/16/2013 0.00
1/17/2013 0.00
1/18/2013 0.00
1/19/2013 0.00
1/20/2013 0.00
1/21/2013 0.00
1/22/2013 0.00
1/23/2013 0.00
1/24/2013 0.00
1/25/2013 0.00
1/26/2013 0.00
1/27/2013 T
1/28/2013 0.00
1/29/2013 0.41
1/30/2013 0.00
1/31/2013 0.00
2/1/2013 0.00
2/2/2013 0.00
2/3/2013 0.00
2/4/2013 0.00
2/5/2013 0.00
2/6/2013 0.00
2/7/2013 0.07
2/8/2013 0.00
2/9/2013 0.00
2/10/2013 0.09
2/11/2013 0.06
2/12/2013 T
2/13/2013 0.00
2/14/2013 0.00
2/15/2013 0.12
2/16/2013 0.00
2/17/2013 0.00
2/18/2013 0.00
2/19/2013 0.00
2/20/2013 0.00
2/21/2013 0.40
2/22/2013 0.03
2/23/2013 0.00
2/24/2013 0.31
2/25/2013 0.68
2/26/2013 0.00
2/27/2013 0.26
2/28/2013 0.00
3/1/2013 0.00
3/2/2013 0.00
3/3/2013 0.00
3/4/2013 0.01
3/5/2013 0.07
3/6/2013 0.00
3/7/2013 0.00
3/8/2013 0.00
3/9/2013 0.38
3/10/2013 0.98
3/11/2013 0.00
3/12/2013 0.22
3/13/2013 0.02
3/14/2013 0.00
3/15/2013 0.00
3/16/2013 0.00
3/17/2013 T
3/18/2013 T
3/19/2013 0.00
3/20/2013 0.00
3/21/2013 0.00
3/22/2013 0.00
3/23/2013 0.99
3/24/2013 0.24
3/25/2013 0.01
3/26/2013 0.00
3/27/2013 0.00
3/28/2013 0.00
3/29/2013 0.00
3/30/2013 0.00
3/31/2013 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2013 0.00
4/2/2013 0.02
4/3/2013 0.17
4/4/2013 0.00
4/5/2013 0.00
4/6/2013 T
4/7/2013 T
4/8/2013 0.00
4/9/2013 0.57
4/10/2013 0.22
4/11/2013 0.00
4/12/2013 T
4/13/2013 0.00
4/14/2013 0.17
4/15/2013 0.03
4/16/2013 0.84
4/17/2013 0.04
4/18/2013 0.42
4/19/2013 0.00
4/20/2013 0.00
4/21/2013 0.01
4/22/2013 T
4/23/2013 0.85
4/24/2013 0.04
4/25/2013 0.00
4/26/2013 0.00
4/27/2013 0.00
4/28/2013 0.00
4/29/2013 0.00
4/30/2013 0.00
5/1/2013 0.32
5/2/2013 0.89
5/3/2013 0.00
5/4/2013 0.00
5/5/2013 0.00
5/6/2013 0.00
5/7/2013 0.00
5/8/2013 0.07
5/9/2013 0.66
5/10/2013 0.30
5/11/2013 T
5/12/2013 0.18
5/13/2013 0.00
5/14/2013 T
5/15/2013 T
5/16/2013 0.07
5/17/2013 0.00
5/18/2013 0.00
5/19/2013 0.00
5/20/2013 0.02
5/21/2013 0.06
5/22/2013 0.00
5/23/2013 0.06
5/24/2013 T
5/25/2013 0.00
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.00
5/29/2013 T
5/30/2013 0.44
5/31/2013 T
6/1/2013 0.00
6/2/2013 0.00
6/3/2013 T
6/4/2013 0.00
6/5/2013 0.26
6/6/2013 0.01
6/7/2013 0.00
6/8/2013 0.02
6/9/2013 T
6/10/2013 0.00
6/11/2013 T
6/12/2013 0.00
6/13/2013 0.00
6/14/2013 T
6/15/2013 0.00
6/16/2013 T
6/17/2013 0.20
6/18/2013 T
6/19/2013 T
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 T
6/23/2013 0.00
6/24/2013 0.10
6/25/2013 0.00
6/26/2013 0.00
6/27/2013 0.00
6/28/2013 0.00
6/29/2013 0.03
6/30/2013 0.04
Day of YearDaily PrcpMultiday Prcp
7/1/2013 0.09
7/2/2013 T
7/3/2013 0.00
7/4/2013 0.06
7/5/2013 0.03
7/6/2013 0.04
7/7/2013 0.33
7/8/2013 T
7/9/2013 0.00
7/10/2013 0.01
7/11/2013 0.01
7/12/2013 0.86
7/13/2013 0.17
7/14/2013 0.72
7/15/2013 0.63
7/16/2013 0.04
7/17/2013 0.00
7/18/2013 0.00
7/19/2013 0.06
7/20/2013 0.00
7/21/2013 0.00
7/22/2013 0.00
7/23/2013 0.00
7/24/2013 0.00
7/25/2013 0.02
7/26/2013 0.00
7/27/2013 0.00
7/28/2013 0.31
7/29/2013 0.05
7/30/2013 0.13
7/31/2013 0.07
8/1/2013 0.01
8/2/2013 0.04
8/3/2013 0.04
8/4/2013 T
8/5/2013 0.04
8/6/2013 T
8/7/2013 0.06
8/8/2013 0.02
8/9/2013 0.10
8/10/2013 0.03
8/11/2013 0.09
8/12/2013 T
8/13/2013 0.51
8/14/2013 0.07
8/15/2013 0.00
8/16/2013 T
8/17/2013 0.00
8/18/2013 0.00
8/19/2013 0.00
8/20/2013 0.00
8/21/2013 T
8/22/2013 T
8/23/2013 0.40
8/24/2013 0.03
8/25/2013 0.01
8/26/2013 T
8/27/2013 0.03
8/28/2013 T
8/29/2013 0.00
8/30/2013 0.00
8/31/2013 0.04
9/1/2013 0.00
9/2/2013 0.01
9/3/2013 0.00
9/4/2013 T
9/5/2013 T
9/6/2013 0.00
9/7/2013 0.00
9/8/2013 0.00
9/9/2013 T
9/10/2013 2.79
9/11/2013 0.88
9/12/2013 1.82
9/13/2013 5.29
9/14/2013 0.21
9/15/2013 0.02
9/16/2013 0.81
9/17/2013 0.02
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.00
9/23/2013 0.32
9/24/2013 0.00
9/25/2013 0.00
9/26/2013 0.00
9/27/2013 T
9/28/2013 0.47
9/29/2013 0.00
9/30/2013 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.00 0.0 M M M
10/2/2012 7:00 AM 0.00 0.0 M M M
10/3/2012 7:00 AM 0.00 0.0 M M M
10/4/2012 7:00 AM 0.00 0.0 M M M
10/5/2012 7:00 AM 0.27 1.0 M 1.0 0.27 snow, sleet, freezing rain - difficult to measure total snow vs. ice - but melted value pretty accurate
10/6/2012 7:00 AM 0.16 0.0 0.00 M 0.00 sleet and freezing rain
10/7/2012 7:00 AM 0.00 0.0 M M M
10/8/2012 7:00 AM 0.00 0.0 M M M
10/9/2012 7:00 AM 0.00 0.0 M M M
10/10/2012 7:00 AM 0.00 0.0 M M M
10/11/2012 7:00 AM 0.00 0.0 M M M
10/12/2012 7:00 AM 0.00 0.0 M M M
10/13/2012 7:00 AM 0.02 M M M M
10/14/2012 7:00 AM 0.05 M M M M
10/15/2012 7:00 AM 0.00 0.0 M M M
10/16/2012 7:00 AM 0.02 M M M M
10/17/2012 7:00 AM 0.00 0.0 M M M
10/18/2012 7:00 AM 0.00 0.0 M M M
10/19/2012 7:00 AM 0.00 0.0 M M M
10/20/2012 7:00 AM 0.00 0.0 M M M
10/21/2012 7:00 AM 0.00 0.0 M M M
10/22/2012 7:00 AM 0.00 0.0 M M M
10/23/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.00 0.0 M M M
10/25/2012 7:00 AM 0.70 5.6 0.60 5.5 0.60 about 0.1 fell as rain before turning to snow
10/26/2012 7:00 AM 0.04 0.5 0.04 2.5 M
10/27/2012 7:00 AM 0.00 0.0 M 2.0 M
10/28/2012 7:00 AM 0.00 0.0 M 1.5 M
10/29/2012 7:00 AM 0.00 0.0 M M M
10/30/2012 7:00 AM 0.00 0.0 M M M
10/31/2012 7:00 AM 0.00 0.0 M M M
11/1/2012 7:00 AM 0.00 0.0 M M M
11/2/2012 7:00 AM 0.00 0.0 M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.00 0.0 M M M
11/8/2012 7:00 AM 0.00 0.0 M M M
11/9/2012 7:00 AM 0.00 0.0 M M M
11/10/2012 7:00 AM 0.00 0.0 M M M
11/11/2012 7:00 AM 0.30 1.6 0.30 1.6 0.30 Started off as wet snow, then ice pellets for brief time, then continued as snow for remainder of day as temperature continued to drop
11/12/2012 7:00 AM 0.00 0.0 0.00 0.5 M
11/13/2012 7:00 AM 0.00 0.0 0.00 0.0 M
11/14/2012 7:00 AM 0.00 0.0 M M M
11/15/2012 7:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/17/2012 7:00 AM 0.00 0.0 M M M
11/18/2012 7:00 AM 0.00 0.0 M M M
11/19/2012 7:00 AM 0.00 0.0 M M M
11/20/2012 7:00 AM 0.00 0.0 M M M
11/21/2012 7:00 AM 0.00 0.0 M M M
11/22/2012 7:00 AM 0.00 0.0 M M M
11/23/2012 7:00 AM 0.00 0.0 M M M
11/24/2012 7:00 AM 0.00 0.0 M M M
11/25/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M
11/27/2012 7:00 AM T T T T T hoar frost on trees from fog freezing
11/28/2012 7:00 AM 0.00 0.0 M M M
11/29/2012 7:00 AM 0.00 0.0 M M M
11/30/2012 7:00 AM 0.00 0.0 M M M
12/1/2012 7:00 AM 0.00 0.0 M M M
12/2/2012 7:00 AM 0.00 0.0 M M M
12/3/2012 7:00 AM 0.00 0.0 M M M
12/4/2012 7:00 AM 0.00 0.0 M M M
12/5/2012 7:00 AM 0.00 0.0 M M M
12/6/2012 7:00 AM T T T T T
12/7/2012 7:00 AM 0.00 0.0 M M M
12/8/2012 7:00 AM 0.00 0.0 M M M
12/9/2012 7:00 AM 0.02 0.4 0.02 0.5 0.02
12/10/2012 7:00 AM 0.00 0.0 0.05 0.0 0.05 minimal accumulation remaining
12/11/2012 7:00 AM 0.05 0.0 0.05 1.0 0.05
12/12/2012 7:00 AM 0.00 0.0 M M M
12/13/2012 7:00 AM 0.00 0.0 M M M
12/14/2012 7:00 AM 0.00 0.0 M M M
12/15/2012 7:00 AM T M M M M flurries
12/16/2012 7:00 AM 0.00 0.0 M M M
12/17/2012 7:00 AM 0.00 0.0 M M M
12/18/2012 7:00 AM 0.07 1.2 0.07 0.5 0.07 snow just ending at 7a.m.
12/19/2012 7:00 AM 0.15 5.5 0.15 6.0 0.17 snowing at 7a.m.
12/20/2012 7:00 AM 0.16 4.0 0.16 9.0 0.31 snow continued from 7a.m. to about 4p.m. adding about as much moisture total as occurred before 7a.m. Wind picked up overnight and packed down the snow
12/21/2012 7:00 AM 0.00 0.0 0.00 3.5 M
12/22/2012 7:00 AM 0.00 0.0 0.00 2.5 M
12/23/2012 7:00 AM 0.00 0.0 0.00 2.0 M
12/24/2012 7:00 AM 0.00 0.0 0.00 1.5 M
12/25/2012 7:00 AM 0.17 4.5 0.17 4.5 0.17
12/26/2012 7:00 AM 0.00 0.0 M 1.5 M
12/27/2012 7:00 AM 0.00 0.0 0.00 1.5 M
12/28/2012 7:00 AM 0.01 0.2 0.01 1.5 0.15
12/29/2012 7:00 AM 0.00 0.0 M 1.5 M
12/30/2012 7:00 AM 0.00 0.0 0.00 1.5 M
12/31/2012 7:00 AM 0.04 0.4 0.04 1.5 M
1/1/2013 7:00 AM 0.01 0.1 0.01 1.5 M
1/2/2013 7:00 AM 0.00 0.0 M M M
1/3/2013 7:00 AM 0.00 0.0 M M M
1/4/2013 7:00 AM 0.00 0.0 M M M
1/5/2013 7:00 AM 0.00 0.0 M M M
1/6/2013 7:00 AM 0.00 0.0 M M M
1/7/2013 7:00 AM 0.00 0.0 M M M
1/8/2013 7:00 AM 0.00 0.0 M M M
1/9/2013 7:00 AM 0.00 0.0 M M M
1/10/2013 7:00 AM 0.00 0.0 M M M
1/11/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/12/2013 7:00 AM T T T T T
1/13/2013 7:00 AM T T T T T
1/14/2013 7:00 AM 0.01 0.3 0.10 0.3 0.10
1/15/2013 7:00 AM T T T 0.0 M flurries
1/16/2013 7:00 AM 0.00 0.0 M M M
1/17/2013 7:00 AM 0.00 0.0 M M M
1/18/2013 7:00 AM 0.00 0.0 M M M
1/19/2013 7:00 AM 0.00 0.0 M M M
1/20/2013 7:00 AM 0.00 0.0 M M M
1/21/2013 7:00 AM 0.00 0.0 M M M
1/22/2013 7:00 AM 0.00 0.0 M M M
1/23/2013 7:00 AM 0.00 0.0 M M M
1/24/2013 7:00 AM 0.00 0.0 M M M
1/25/2013 7:00 AM 0.00 0.0 M M M
1/26/2013 7:00 AM 0.00 0.0 M M M
1/27/2013 7:00 AM T T T T T trace rain with a few snow flakes within; less than 0.05"
1/28/2013 7:00 AM 0.00 0.0 M M M
1/29/2013 7:00 AM 0.41 4.1 0.40 4.0 0.40
1/30/2013 7:00 AM 0.00 0.0 0.00 2.5 M blowing snow this a.m. compacting yesterday's snow
1/31/2013 7:00 AM 0.00 0.0 0.00 1.5 M
2/1/2013 7:00 AM 0.00 0.0 0.00 1.0 M
2/2/2013 7:00 AM 0.00 0.0 M 0.0 M patchy snow on ground - less than 20% cover - thus 0.0 given for total snow and ice on ground
2/3/2013 7:00 AM 0.00 0.0 M M M patchy snow on ground - less than 15% cover
2/4/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00 patchy snow on ground - less than 10% cover
2/5/2013 7:00 AM 0.00 0.0 0.00 0.0 M
2/6/2013 7:00 AM 0.00 0.0 0.00 0.0 M
2/7/2013 7:00 AM 0.07 0.8 0.07 1.0 0.07
2/8/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/9/2013 7:00 AM 0.00 0.0 M M M
2/10/2013 7:00 AM 0.09 0.9 0.09 1.0 M Some fog following start of snow; minor flurries possible after 4 p.m.
2/11/2013 7:00 AM 0.06 0.7 0.06 1.0 M 2 periods of snow: 8a.m. to about 3, then during night ~2-6a.m.
2/12/2013 7:00 AM T T T 1.0 M trace flurries 7-10a.m.; 12-1 and 3-5
2/13/2013 7:00 AM 0.00 0.0 0.00 0.5 M
2/14/2013 7:00 AM 0.00 0.0 0.00 0.5 M
2/15/2013 7:00 AM 0.12 1.8 0.12 2.0 M
2/16/2013 7:00 AM 0.00 0.0 0.00 1.0 M
2/17/2013 7:00 AM 0.00 0.0 0.00 0.5 M
2/18/2013 7:00 AM 0.00 0.0 0.00 0.0 M
2/19/2013 7:00 AM 0.00 0.0 0.00 0.0 M
2/20/2013 7:00 AM 0.00 0.0 0.00 0.0 M
2/21/2013 7:00 AM 0.40 5.0 0.40 5.0 0.40
2/22/2013 7:00 AM 0.03 0.4 0.03 4.5 0.41 most of snow fell before 10a.m.; flurries 10-2 and 6-10 p.m. with some minor fog
2/23/2013 7:00 AM 0.00 0.0 0.00 3.5 M
2/24/2013 7:00 AM 0.31 4.5 0.31 6.0 M
2/25/2013 7:00 AM 0.68 13.0 0.68 14.5 M 4.5 measured for storm at 7a.m.yesterday and an additional 13.0"a.m. today (total ~17.5" snow for storm). 0.99" precip total for storm
2/26/2013 7:00 AM 0.00 0.0 0.00 12.0 M
2/27/2013 7:00 AM 0.26 3.8 0.26 13.0 M
2/28/2013 7:00 AM 0.00 0.0 0.00 11.0 M
3/1/2013 7:00 AM 0.00 0.0 0.00 9.0 M
3/2/2013 7:00 AM 0.00 0.0 0.00 8.5 M
3/3/2013 7:00 AM 0.00 0.0 0.00 5.0 M
3/4/2013 7:00 AM 0.01 0.1 0.01 4.5 M
3/5/2013 7:00 AM 0.07 1.2 0.07 5.0 M
3/6/2013 7:00 AM 0.00 0.0 0.00 4.0 M
3/7/2013 7:00 AM 0.00 0.0 0.00 3.0 M
3/8/2013 7:00 AM 0.00 0.0 0.00 8.0 M
3/9/2013 8:00 AM 0.38 4.0 0.38 4.5 M
3/10/2013 7:00 AM 0.98 8.5 0.98 12.0 M Storm started about 4:30a.m. day before and ended by 6 p.m. of this observation period for a total of 1.34 melted precip for this storm. It started as a wetter snow, then more lighter but more wind packed as the day went on. 11.5 total on white board but around 14.0" in adjacent NWS "tube". I could not measure the total core melt (old and new).
3/11/2013 7:00 AM 0.00 0.0 0.00 9.5 M
3/12/2013 7:00 AM 0.22 2.5 0.22 10.0 M started about 6:30 p.m. and ongoing at 0700 observation
3/13/2013 7:00 AM 0.02 0.5 0.02 9.0 M
3/14/2013 7:00 AM 0.00 0.0 0.00 6.0 M
3/15/2013 7:00 AM 0.00 0.0 0.00 2.0 M
3/16/2013 7:00 AM 0.00 0.0 0.00 0.5 M
3/17/2013 7:00 AM T T T 0.0 M
3/18/2013 7:00 AM T T T 0.0 M flurries only
3/19/2013 7:00 AM 0.00 0.0 M M M
3/20/2013 7:00 AM 0.00 0.0 M M M
3/21/2013 7:00 AM 0.00 0.0 M M M
3/22/2013 7:00 AM 0.00 0.0 M M M
3/23/2013 7:00 AM 0.99 11.5 0.99 11.5 M still snowing at 7a.m. observation time
3/24/2013 7:00 AM 0.24 5.8 0.24 15.5 M snowfall continuing from prior observation period. Wind-packed snow; difficult to measure. Melted precip accurate however.
3/25/2013 7:00 AM 0.01 0.7 0.01 9.0 M no wind, extremely light/fluffy snow; very cold (~10 degrees F)
3/26/2013 7:00 AM 0.00 0.0 0.00 7.0 M
3/27/2013 7:00 AM 0.00 0.0 0.00 4.0 M
3/28/2013 7:00 AM 0.00 0.0 0.00 2.5 M
3/29/2013 7:00 AM 0.00 0.0 0.00 0.5 M
3/30/2013 7:00 AM 0.00 0.0 M M M
3/31/2013 7:00 AM 0.00 0.0 M M M
4/1/2013 7:00 AM 0.00 0.0 M M M
4/2/2013 7:00 AM 0.02 0.4 0.02 0.3 M
4/3/2013 7:00 AM 0.17 1.0 0.17 1.0 0.17
4/4/2013 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2013 7:00 AM 0.00 0.0 M M M
4/6/2013 7:00 AM T 0.0 0.00 0.0 M Just enough to wet the ground
4/7/2013 7:00 AM T 0.0 0.00 0.0 M very minor amount of rain
4/8/2013 7:00 AM 0.00 0.0 M 0.0 M
4/9/2013 7:00 AM 0.57 10.0 0.57 10.0 0.57
4/10/2013 7:00 AM 0.22 2.6 0.22 12.6 M depth numbers variable/lots of overnight consolidation. Melted precip should be accurate
4/11/2013 7:00 AM 0.00 0.0 M M M
4/12/2013 7:00 AM T M M M M
4/13/2013 7:00 AM 0.00 0.0 M M M
4/14/2013 7:00 AM 0.17 0.4 0.17 M M sleet/snow mix
4/15/2013 7:00 AM 0.03 0.4 0.03 M M grapple - turning to snow (edit: daily precip initially recorded as 0.30". new snow swe initially 3.00". changed to NA due to decimal error suspicion. observer contacted. P.G.)
4/16/2013 7:00 AM 0.84 13.4 0.84 13.5 M
4/17/2013 7:00 AM 0.04 0.3 0.04 8.0 M crusty gropple
4/18/2013 7:00 AM 0.42 7.2 0.42 12.0 M solar irradiance through snow caused some melting - particularly on pavements
4/19/2013 7:00 AM 0.00 0.0 0.00 6.0 M
4/20/2013 7:00 AM 0.00 0.0 0.00 4.5 M
4/21/2013 7:00 AM 0.01 0.0 0.00 2.0 M sporadic rain with some snow mixed in,
4/22/2013 7:00 AM T 0.0 0.00 0.0 M early a.m. intermittent rain/snow mix not amounting to anything so far
4/23/2013 7:00 AM 0.85 8.5 0.85 8.5 0.85 intermittent flurries before 11:50 a.m.
4/24/2013 7:00 AM 0.04 2.5 0.04 5.0 M new snowfall amount difficult to measure due to subsequent compaction; in any event, melted precip will be more representative and accurate.
4/25/2013 7:00 AM 0.00 0.0 0.00 2.0 M
4/26/2013 7:00 AM 0.00 0.0 0.00 0.5 M
4/27/2013 7:00 AM 0.00 0.0 0.00 0.0 M
4/28/2013 7:00 AM 0.00 0.0 0.00 0.0 M
4/29/2013 7:00 AM 0.00 0.0 0.00 0.0 M
4/30/2013 7:00 AM 0.00 0.0 M 0.0 M
5/1/2013 7:00 AM 0.32 2.2 0.32 2.0 M started about 10 p.m. as rain switching to wet snow and continuing on
5/2/2013 7:00 AM 0.89 7.1 0.89 8.0 M wet snow/blowing snow; 1.21" melted precip total this storm (for May so far)
5/3/2013 7:00 AM 0.00 0.0 0.00 1.0 M
5/4/2013 7:00 AM 0.00 0.0 0.00 0.5 M
5/5/2013 7:00 AM 0.00 0.0 0.00 0.0 M
5/6/2013 7:00 AM 0.00 0.0 0.00 0.0 M
5/7/2013 7:00 AM 0.00 0.0 M M M
5/8/2013 7:00 AM 0.07 0.0 0.00 0.0 M
5/9/2013 7:00 AM 0.66 0.0 0.00 0.0 M ice pellets around 6:30 otherwise all rain, with various periods of "heavier" rainfall
5/10/2013 7:00 AM 0.30 M M M M
5/11/2013 7:00 AM T M M M M
5/12/2013 7:00 AM 0.18 0.0 0.00 0.0 M ice pellets/graupel between 12 and 1 p.m.
5/13/2013 7:00 AM 0.00 0.0 M M M
5/14/2013 7:00 AM T M M M M barely a sprinkle
5/15/2013 7:00 AM T M M M M
5/16/2013 7:00 AM 0.07 M M M M
5/17/2013 7:00 AM 0.00 0.0 M M M
5/18/2013 7:00 AM 0.00 0.0 M M M
5/19/2013 7:00 AM 0.00 0.0 M M M
5/20/2013 7:00 AM 0.02 0.0 0.00 0.0 0.00
5/21/2013 7:00 AM 0.06 M M M M some ice pellets around noon
5/22/2013 7:00 AM 0.00 0.0 M M M
5/23/2013 7:00 AM 0.06 M M M M thunderstorm with threatening clouds but not much rain
5/24/2013 7:00 AM T M M M M fog in a.m.; trace rain in afternoon
5/25/2013 7:00 AM 0.00 0.0 M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:00 AM 0.00 0.0 M M M
5/29/2013 7:00 AM T M M M M
5/30/2013 7:00 AM 0.44 M M M M 1/4 inch precip between 7 and 8 a.m. then on/off rain but with heavy episode of soft 1/8" hail between 3 and 4 for another ~0.2" precip
5/31/2013 7:00 AM T M M M M trace sprinkles around 3p.m.
6/1/2013 7:00 AM 0.00 0.0 M M M
6/2/2013 7:00 AM 0.00 0.0 M M M
6/3/2013 7:00 AM T M M M M 5 minute sprinkle about 7:20p.m.
6/4/2013 7:00 AM 0.00 0.0 M M M
6/5/2013 7:00 AM 0.26 M M M M starting late afternoon/evening; 0.06 by 11p.m., remainder in 2 storms after that
6/6/2013 7:00 AM 0.01 M M M M fog and light drizzle through morning, continuing in broken periods during afternoon
6/7/2013 7:00 AM 0.00 0.0 M M M
6/8/2013 7:00 AM 0.02 M M M M started 11:50 a.m. and then intermittent over next several hours
6/9/2013 7:00 AM T M M M M episodic sprinkles between 1 and 5:30ish
6/10/2013 7:00 AM 0.00 0.0 M M M
6/11/2013 7:00 AM T M M M M big heavy sprinkles around 1:15 - barely wetting pavement (40%)
6/12/2013 7:00 AM 0.00 0.0 M M M windy, hot and dry; red flag warning 0900-2100. 5% relative humidity on my unofficial hygrometer.
6/13/2013 7:00 AM 0.00 0.0 M M M
6/14/2013 7:00 AM T M M M M episodic rain with some thunderstorm nearby across three hours leaving only a trace of rain
6/15/2013 7:00 AM 0.00 0.0 M M M
6/16/2013 7:00 AM T M M M M
6/17/2013 7:00 AM 0.20 M M M M 2 thunderstorms; the 2nd producing about 2/3rds of the rain
6/18/2013 7:00 AM T M M M M
6/19/2013 7:00 AM T M M M M pretty severe thunderstorm went through between 1 and 2 with lots of lightning and thunder, large drops but ultimately trace (<0.005)of rain
6/20/2013 6:00 AM 0.00 0.0 M M M
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM T M M M M
6/23/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM 0.10 M M M M severe thunderstorms late evening; smoke smell pervasive in area
6/25/2013 7:00 AM 0.00 0.0 M M M
6/26/2013 7:00 AM 0.00 0.0 M M M
6/27/2013 7:00 AM 0.00 0.0 M M M
6/28/2013 7:00 AM 0.00 0.0 M M M
6/29/2013 7:00 AM 0.03 M M M M
6/30/2013 7:00 AM 0.04 M M M M
7/1/2013 7:00 AM 0.09 M M M M
7/2/2013 7:00 AM T M M M M
7/3/2013 7:00 AM 0.00 0.0 M M M
7/4/2013 7:00 AM 0.06 M M M M
7/5/2013 7:00 AM 0.03 M M M M
7/6/2013 7:00 AM 0.04 M M M M Mild thunderstorm
7/7/2013 7:00 AM 0.33 M M M M
7/8/2013 7:00 AM T M M M M lots of threatening clouds and mostly distant thunder but just trace here
7/9/2013 7:00 AM 0.00 0.0 M M M
7/10/2013 7:00 AM 0.01 M M M M
7/11/2013 7:00 AM 0.01 M M M M
7/12/2013 7:00 AM 0.86 M M M M Several severe thunderstorms with downpours that included minor ice pellets.
7/13/2013 7:00 AM 0.17 M M M M
7/14/2013 7:00 AM 0.72 M M M M nearly 0.6 between 3:50 to 4:30 p.m.
7/15/2013 7:00 AM 0.63 M M M M
7/16/2013 7:00 AM 0.04 M M M M
7/17/2013 7:00 AM 0.00 0.0 M M M
7/18/2013 7:00 AM 0.00 0.0 M M M
7/19/2013 7:00 AM 0.06 M M M M
7/20/2013 7:00 AM 0.00 0.0 M M M
7/21/2013 7:00 AM 0.00 0.0 M M M
7/22/2013 7:00 AM 0.00 0.0 M M M
7/23/2013 7:00 AM 0.00 0.0 M M M
7/24/2013 7:00 AM 0.00 0.0 M M M
7/25/2013 7:00 AM 0.02 M M M M
7/26/2013 7:00 AM 0.00 0.0 M M M
7/27/2013 7:00 AM 0.00 0.0 M M M
7/28/2013 7:00 AM 0.31 M M M M
7/29/2013 7:00 AM 0.05 M M M M
7/30/2013 7:00 AM 0.13 M M M M
7/31/2013 7:00 AM 0.07 M M M M sprinkles between 3 and 4; thunderstorm passing through between 6-7
8/1/2013 7:00 AM 0.01 M M M M
8/2/2013 7:00 AM 0.04 M M M M
8/3/2013 7:00 AM 0.04 M M M M
8/4/2013 7:00 AM T M M M M thunderstorm and fog rolled in - but trace rain
8/5/2013 7:00 AM 0.04 M M M M
8/6/2013 7:00 AM T M M M M
8/7/2013 7:00 AM 0.06 M M M M
8/8/2013 7:00 AM 0.02 M M M M
8/9/2013 7:00 AM 0.10 M M M M light fog/high humidity in a.m.; heavy rain in short period in p.m. associated with nearby thunderstorms
8/10/2013 7:00 AM 0.03 M M M M
8/11/2013 7:00 AM 0.09 M M M M
8/12/2013 7:00 AM T M M M M thunderstorm with trace amounts (2-4p.m.); trace rain later (6p.m.)
8/13/2013 7:00 AM 0.51 M M M M heavy rain between 6:15-7p.m.
8/14/2013 7:00 AM 0.07 M M M M
8/15/2013 7:00 AM 0.00 0.0 M M M
8/16/2013 7:00 AM T M M M M trace sprinkles between 3 and 5:15ish
8/17/2013 7:00 AM 0.00 0.0 M M M
8/18/2013 7:00 AM 0.00 0.0 M M M
8/19/2013 7:00 AM 0.00 0.0 M M M
8/20/2013 7:00 AM 0.00 0.0 M M M
8/21/2013 7:00 AM T M M M M
8/22/2013 7:00 AM T M M M M
8/23/2013 7:00 AM 0.40 M M M M severe thunderstorm with lots of nearby lightning strikes between 5:20-5:45 (0.29" rain with minor ice pellets); other rain 9:30-11ish
8/24/2013 7:00 AM 0.03 M M M M
8/25/2013 7:00 AM 0.01 M M M M
8/26/2013 7:00 AM T M M M M
8/27/2013 7:00 AM 0.03 M M M M
8/28/2013 7:00 AM T M M M M trace rain in the afternoon between 2:30ish and 3:30ish
8/29/2013 7:00 AM 0.00 0.0 M M M
8/30/2013 7:00 AM 0.00 0.0 M M M
8/31/2013 7:00 AM 0.04 M M M M
9/1/2013 7:00 AM 0.00 0.0 M M M
9/2/2013 7:00 AM 0.01 M M M M
9/3/2013 7:00 AM 0.00 0.0 M M M
9/4/2013 7:00 AM T M M M M
9/5/2013 7:00 AM T M M M M
9/6/2013 7:00 AM 0.00 0.0 M M M
9/7/2013 7:00 AM 0.00 0.0 M M M
9/8/2013 7:00 AM 0.00 0.0 M M M
9/9/2013 7:00 AM T M M M M
9/10/2013 7:00 AM 2.79 M M M M Hail somewhere between 3:30 and 4:30 p.m. that totalled 1.61" precip based on my NWS canister since much bounced out of the plastic COCORAHS cone; heavy rain between 8:30-9 p.m. for another 0.78" with remaining rain scattered during the rest of the time. This was same narrow band of hail that hit Arvada hard
9/11/2013 7:00 AM 0.88 M M M M
9/12/2013 7:00 AM 1.82 M M M M on/off rain during day (0.81); 1.01 midnight to 7 a.m.
9/13/2013 7:00 AM 5.29 M M M M waves of heavy rain with moderate rain in between. Heavy: 0830-0900 (1"),1000-1200 (1"),1300-1800 (1.5"), 1800-2300 (1.5"). Total 5.29" 0700-0700 (6.13 midnight to midnight 9/12)
9/14/2013 7:00 AM 0.21 M M M M
9/15/2013 7:00 AM 0.02 M M M M
9/16/2013 7:00 AM 0.81 M M M M
9/17/2013 7:00 AM 0.02 M M M M
9/18/2013 7:00 AM 0.00 0.0 M M M
9/19/2013 7:00 AM 0.00 0.0 M M M
9/20/2013 7:00 AM 0.00 0.0 M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.00 0.0 M M M
9/23/2013 7:00 AM 0.32 0.0 0.00 0.0 0.00 mostly sprinkles before 8p.m.; 0.1 by midnight, the rest (0.22) midnight to 7a.m.
9/24/2013 7:00 AM 0.00 0.0 M M M
9/25/2013 7:00 AM 0.00 0.0 M M M
9/26/2013 7:00 AM 0.00 0.0 M M M
9/27/2013 7:00 AM T M M M M fog and light mist at report time
9/28/2013 7:00 AM 0.47 M M M M
9/29/2013 7:00 AM 0.00 0.0 M M M
9/30/2013 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
5/25/2013 12:00 PM Rice Rice Rice Mixed|Clear Ice 10 10min no damage Continuous True Same time as rain Same time as smaller hail 10-20 500 0.25 0.1
5/29/2013 12:00 PM 3/8" 1/4" Pea Size 1/4" Pea Size Mixed 15 10min minor leaf damage Continuous True Same time as rain After smaller hail 600 0.20 0.1
1/1/0001 12:00 AM NA NA NA False 2000
9/9/2013 3:00 PM I wasn't home - got the details reported from 2 neighbors and by my own observation of shredded tree/plant leaves 3/8" NA Rice Mixed|Clear Ice 20 shredded leaves Intermittent True Same time as rain Same time as smaller hail 10-20 0 0.5