Station Overview Station Location
Station Number CO-GL-23 Latitude 39.920901
Station Name Rollinsville 0.1 WNW Longitude -105.502404
County Gilpin Elevation (ft) 8581



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 16 1.33 0.55 12 0.55 12 0.00 0 0 5 3 3.0 3 0
Nov 16 1.22 0.75 11 0.75 11 0.00 0 0 5 4 7.6 3 0
Dec 16 1.15 1.30 24 1.30 24 0.00 0 0 12 4 17.6 11 0
Jan 17 0.92 2.38 20 2.38 20 0.00 0 0 13 3 38.0 12 0
Feb 17 1.10 0.32 4 0.32 4 0.00 0 0 2 2 2.8 2 0
March 17 2.13 1.43 13 1.43 13 0.00 0 0 8 2 10.1 6 0
April 17 2.86 2.61 16 2.61 16 0.00 0 0 12 4 29.3 10 0
May 17 2.70 5.69 17 5.69 17 0.00 0 0 17 0 38.1 6 0
June 17 2.31 0.44 11 0.44 11 0.00 0 0 7 3 0.0 0 0
July 17 2.42 2.70 23 2.70 23 0.00 0 0 17 4 0.0 0 0
Aug 17 2.64 2.24 19 2.24 19 0.00 0 0 15 4 0.0 0 0
Sept 17 1.70 2.08 17 2.08 17 0.00 0 0 13 3 0.0 0 0
Water Year Totals: 22.48" 22.49" 187 days 22.49" 187 0.00" 0 days 0 126 days 36 days 146.5" 53 days 0 days



Days in Water Year Cell Color Key
        Daily Observation with Prcp         Missing Day
        Multiday Observation         Daily/Multiday Observation Conflict

Day of Year Daily Prcp Multiday Prcp
10/1/2016 T
10/2/2016
10/3/2016
10/4/2016
10/5/2016 T
10/6/2016 0.22
10/7/2016 0.04
10/8/2016
10/9/2016
10/10/2016
10/11/2016 0.01
10/12/2016 0.24
10/13/2016
10/14/2016 0.00
10/15/2016
10/16/2016 0.00
10/17/2016
10/18/2016
10/19/2016 0.04
10/20/2016
10/21/2016 0.00
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016 T
10/27/2016 0.00
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016 0.08
11/3/2016 T
11/4/2016
11/5/2016
11/6/2016 T
11/7/2016 0.00
11/8/2016
11/9/2016
11/10/2016
11/11/2016
11/12/2016
11/13/2016
11/14/2016
11/15/2016
11/16/2016
11/17/2016 0.00
11/18/2016 0.60
11/19/2016
11/20/2016
11/21/2016
11/22/2016 0.03
11/23/2016
11/24/2016 0.02
11/25/2016
11/26/2016
11/27/2016 T
11/28/2016 T
11/29/2016 0.02
11/30/2016
12/1/2016 0.00
12/2/2016
12/3/2016 0.04
12/4/2016
12/5/2016 0.01
12/6/2016 0.03
12/7/2016 0.37
12/8/2016 T
12/9/2016 0.02
12/10/2016
12/11/2016 0.33
12/12/2016 0.02
12/13/2016 0.00
12/14/2016 0.04
12/15/2016 0.14
12/16/2016 0.00
12/17/2016 0.28
12/18/2016 0.01
12/19/2016 0.00
12/20/2016 0.00
12/21/2016
12/22/2016 T
12/23/2016 0.01
12/24/2016
12/25/2016 0.00
12/26/2016 T
12/27/2016
12/28/2016 T
12/29/2016
12/30/2016 0.00
12/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017 0.22
1/4/2017 0.17
1/5/2017 0.93
1/6/2017 0.21
1/7/2017 0.01
1/8/2017 T
1/9/2017 0.05
1/10/2017 0.12
1/11/2017 0.05
1/12/2017 0.15
1/13/2017 0.04
1/14/2017 0.00
1/15/2017 0.00
1/16/2017 0.27
1/17/2017 0.08
1/18/2017 0.00
1/19/2017
1/20/2017 0.00
1/21/2017
1/22/2017 T
1/23/2017 T
1/24/2017 0.08
1/25/2017
1/26/2017
1/27/2017
1/28/2017
1/29/2017
1/30/2017
1/31/2017
2/1/2017
2/2/2017
2/3/2017 0.06
2/4/2017 T
2/5/2017
2/6/2017
2/7/2017
2/8/2017 0.26
2/9/2017 T
2/10/2017
2/11/2017
2/12/2017
2/13/2017
2/14/2017
2/15/2017
2/16/2017
2/17/2017
2/18/2017
2/19/2017
2/20/2017
2/21/2017
2/22/2017
2/23/2017
2/24/2017
2/25/2017
2/26/2017
2/27/2017
2/28/2017
3/1/2017
3/2/2017
3/3/2017
3/4/2017
3/5/2017
3/6/2017 0.01
3/7/2017 0.20
3/8/2017
3/9/2017
3/10/2017 0.00
3/11/2017 0.04
3/12/2017
3/13/2017 T
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017 0.00
3/19/2017
3/20/2017
3/21/2017
3/22/2017 0.00
3/23/2017
3/24/2017 0.21
3/25/2017
3/26/2017 T
3/27/2017 0.03
3/28/2017 0.30
3/29/2017 0.38
3/30/2017
3/31/2017 0.26
Day of YearDaily PrcpMultiday Prcp
4/1/2017 0.15
4/2/2017 T
4/3/2017 0.06
4/4/2017 0.45
4/5/2017 0.62
4/6/2017
4/7/2017
4/8/2017
4/9/2017 T
4/10/2017 T
4/11/2017
4/12/2017
4/13/2017
4/14/2017
4/15/2017
4/16/2017
4/17/2017
4/18/2017
4/19/2017
4/20/2017 0.02
4/21/2017 0.31
4/22/2017 0.08
4/23/2017
4/24/2017 0.02
4/25/2017 0.07
4/26/2017 0.08
4/27/2017 T
4/28/2017
4/29/2017 0.49
4/30/2017 0.26
5/1/2017 0.02
5/2/2017
5/3/2017 0.03
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017 0.14
5/9/2017 0.67
5/10/2017 0.07
5/11/2017 0.60
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017 0.02
5/18/2017 1.25
5/19/2017 1.71
5/20/2017 0.25
5/21/2017
5/22/2017 0.26
5/23/2017 0.24
5/24/2017
5/25/2017
5/26/2017 0.08
5/27/2017 0.06
5/28/2017 0.10
5/29/2017
5/30/2017 0.15
5/31/2017 0.04
6/1/2017 T
6/2/2017 0.08
6/3/2017
6/4/2017 0.13
6/5/2017
6/6/2017
6/7/2017 0.04
6/8/2017 0.07
6/9/2017 0.03
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017 0.00
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017 0.05
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017 T
6/29/2017 T
6/30/2017 0.04
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017 T
7/5/2017 T
7/6/2017
7/7/2017 0.01
7/8/2017 0.08
7/9/2017 0.06
7/10/2017 0.02
7/11/2017 T
7/12/2017 0.02
7/13/2017 0.18
7/14/2017 0.00
7/15/2017
7/16/2017
7/17/2017 0.12
7/18/2017 0.13
7/19/2017
7/20/2017 0.02
7/21/2017 0.06
7/22/2017 0.71
7/23/2017 0.01
7/24/2017 0.05
7/25/2017 0.00
7/26/2017
7/27/2017 0.66
7/28/2017 T
7/29/2017 0.27
7/30/2017 0.08
7/31/2017 0.22
8/1/2017
8/2/2017
8/3/2017 0.23
8/4/2017 0.13
8/5/2017
8/6/2017 0.01
8/7/2017 0.05
8/8/2017 0.56
8/9/2017 0.37
8/10/2017 0.05
8/11/2017 0.19
8/12/2017 0.01
8/13/2017 0.01
8/14/2017
8/15/2017
8/16/2017 0.08
8/17/2017 T
8/18/2017
8/19/2017
8/20/2017
8/21/2017
8/22/2017
8/23/2017 0.07
8/24/2017 0.23
8/25/2017 0.23
8/26/2017
8/27/2017
8/28/2017 T
8/29/2017 T
8/30/2017 T
8/31/2017 0.02
9/1/2017 0.08
9/2/2017
9/3/2017
9/4/2017 0.00
9/5/2017
9/6/2017
9/7/2017
9/8/2017 T
9/9/2017
9/10/2017
9/11/2017 0.01
9/12/2017
9/13/2017 0.02
9/14/2017 T
9/15/2017 0.01
9/16/2017 0.02
9/17/2017 0.04
9/18/2017 T
9/19/2017
9/20/2017
9/21/2017
9/22/2017
9/23/2017
9/24/2017 0.53
9/25/2017 0.23
9/26/2017 0.16
9/27/2017 0.04
9/28/2017 0.27
9/29/2017 0.53
9/30/2017 0.14



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2016 7:00 AM T M M M M
10/5/2016 7:00 AM T T M M M
10/6/2016 7:00 AM 0.22 2.5 0.22 M M
10/7/2016 7:00 AM 0.04 0.2 0.04 M M
10/11/2016 7:00 AM 0.01 M M M M
10/12/2016 7:00 AM 0.24 M M M M
10/14/2016 7:00 AM 0.00 0.0 M M M
10/16/2016 7:00 AM 0.00 0.0 M M M
10/19/2016 7:00 AM 0.04 0.3 0.04 M M
10/21/2016 7:00 AM 0.00 0.0 M M M
10/26/2016 7:00 AM T M M M M
10/27/2016 7:00 AM 0.00 0.0 M M M
11/2/2016 7:00 AM 0.08 M M M M
11/3/2016 7:00 AM T M M M M
11/6/2016 7:00 AM T M M M M
11/7/2016 6:00 AM 0.00 0.0 M M M
11/17/2016 7:00 AM 0.00 0.0 M M M
11/18/2016 7:00 AM 0.60 7.0 0.60 M M
11/22/2016 7:00 AM 0.03 T 0.03 M M Boarderline freezing point. Slushy snow on the ground but not measurable. Had we been 1-2 degrees colder it would have been measurable.
11/24/2016 7:00 AM 0.02 0.4 0.02 M M
11/27/2016 7:00 AM T T T M M
11/28/2016 7:00 AM T T 0.02 M M There was masurable snow until the wind blew it away!
11/29/2016 7:00 AM 0.02 0.2 0.02 M M
12/1/2016 7:00 AM 0.00 0.0 M M M
12/3/2016 7:00 AM 0.04 1.3 0.04 M M
12/5/2016 7:00 AM 0.01 0.1 0.01 M M Graupel
12/6/2016 7:00 AM 0.03 0.4 0.03 M M
12/7/2016 7:00 AM 0.37 4.0 0.37 M M
12/8/2016 7:00 AM T T T M M
12/9/2016 7:00 AM 0.02 0.7 0.02 M M
12/11/2016 8:00 AM 0.33 3.5 0.33 M M
12/12/2016 7:00 AM 0.02 0.5 0.02 M M
12/13/2016 7:00 AM 0.00 0.0 M M M
12/14/2016 7:00 AM 0.04 0.6 0.04 M M
12/15/2016 8:00 AM 0.14 1.5 0.14 M M
12/16/2016 7:00 AM 0.00 0.0 M M M
12/17/2016 7:45 AM 0.28 4.5 0.28 M M
12/18/2016 7:00 AM 0.01 0.5 0.01 M M
12/19/2016 7:00 AM 0.00 0.0 M M M
12/20/2016 7:00 AM 0.00 0.0 M M M
12/22/2016 7:00 AM T T T M M
12/23/2016 7:00 AM 0.01 T 0.01 M M The snow was probably measurable but the wind blew it away!
12/25/2016 7:00 AM 0.00 0.0 M M M
12/26/2016 7:00 AM T T T M M
12/28/2016 7:00 AM T T T M M
12/30/2016 7:00 AM 0.00 0.0 M M M
12/31/2016 7:00 AM 0.00 0.0 M M M
1/3/2017 7:00 AM 0.22 3.5 0.22 M M
1/4/2017 7:00 AM 0.17 3.3 0.17 M M
1/5/2017 7:00 AM 0.93 17.9 0.93 M M
1/6/2017 7:00 AM 0.21 2.3 0.21 M M
1/7/2017 7:00 AM 0.01 0.3 0.01 M M Don't know if this was new snow or blow over
1/8/2017 7:00 AM T T T M M
1/9/2017 7:00 AM 0.05 M 0.05 M M Overnight temps just above freezing so a slight bit of slush but not measurable snow
1/10/2017 7:00 AM 0.12 1.5 0.12 M M
1/11/2017 7:30 AM 0.05 0.8 0.05 M M
1/12/2017 7:00 AM 0.15 2.3 0.15 M M
1/13/2017 7:00 AM 0.04 0.9 0.04 M M
1/14/2017 7:00 AM 0.00 0.0 M M M
1/15/2017 7:00 AM 0.00 0.0 M M M
1/16/2017 7:00 AM 0.27 3.0 0.27 M M
1/17/2017 7:00 AM 0.08 1.0 0.08 M M
1/18/2017 7:00 AM 0.00 0.0 M M M
1/20/2017 7:00 AM 0.00 0.0 M M M
1/22/2017 7:00 AM T T T M M
1/23/2017 7:00 AM T T T M M
1/24/2017 7:00 AM 0.08 1.2 0.08 M M
2/3/2017 7:00 AM 0.06 0.8 0.06 M M
2/4/2017 7:00 AM T T T M M
2/8/2017 7:30 AM 0.26 2.0 0.26 M M
2/9/2017 7:00 AM T T T M M
3/6/2017 7:00 AM 0.01 0.2 0.01 M M
3/7/2017 7:00 AM 0.20 M 0.02 M M could not measure the snow. It all blew away!
3/10/2017 7:00 AM 0.00 0.0 M M M
3/11/2017 7:00 AM 0.04 0.8 0.04 M M
3/13/2017 7:00 AM T T T M M
3/18/2017 7:00 AM 0.00 0.0 M M M
3/22/2017 7:00 AM 0.00 0.0 M M M
3/24/2017 7:00 AM 0.21 2.2 0.21 M M
3/26/2017 7:00 AM T T T M M
3/27/2017 7:00 AM 0.03 M M M M Mixture of snow, grauple and rain all melted during the day.
3/28/2017 7:00 AM 0.30 3.0 0.30 M M
3/29/2017 7:00 AM 0.38 2.9 0.38 M M Rain/snow mix
3/31/2017 6:45 AM 0.26 1.0 0.26 M M
4/1/2017 7:00 AM 0.15 0.5 0.15 M M
4/2/2017 7:00 AM T M M M M
4/3/2017 8:00 AM 0.06 0.6 0.06 M M
4/4/2017 7:00 AM 0.45 5.5 0.45 M M
4/5/2017 7:00 AM 0.62 6.7 0.62 M M
4/9/2017 7:00 AM T T T M M
4/10/2017 7:00 AM T T T M M
4/20/2017 7:00 AM 0.02 M 0.02 M M
4/21/2017 7:00 AM 0.31 0.9 0.31 M M
4/22/2017 7:00 AM 0.08 1.3 0.08 M M
4/24/2017 7:00 AM 0.02 M 0.02 M M
4/25/2017 7:00 AM 0.07 0.4 0.07 M M Clumpy graupel (snow)
4/26/2017 7:00 AM 0.08 0.7 0.08 M M
4/27/2017 7:00 AM T T T M M
4/29/2017 6:00 AM 0.49 9.3 0.49 M M
4/30/2017 7:00 AM 0.26 3.4 0.26 M M
5/1/2017 7:00 AM 0.02 0.1 0.02 M M Very hard to measure new snow depth due to winds
5/3/2017 7:00 AM 0.03 0.3 0.03 M M
5/8/2017 7:00 AM 0.14 M M M M
5/9/2017 7:00 AM 0.67 M M M M
5/10/2017 7:00 AM 0.07 M M M M
5/11/2017 7:00 AM 0.60 M M M M
5/17/2017 7:00 AM 0.02 M M M M
5/18/2017 6:00 AM 1.25 12.0 1.25 M M
5/19/2017 7:00 AM 1.71 21.4 1.71 M M
5/20/2017 6:00 AM 0.25 3.0 0.25 M M
5/22/2017 7:00 AM 0.26 M M M M
5/23/2017 7:00 AM 0.24 1.3 0.24 M M rain snow mix
5/26/2017 7:00 AM 0.08 M M M M
5/27/2017 7:00 AM 0.06 M M M M
5/28/2017 7:00 AM 0.10 M M M M
5/30/2017 7:00 AM 0.15 M M M M
5/31/2017 7:00 AM 0.04 M M M M
6/1/2017 7:00 AM T M M M M
6/2/2017 7:00 AM 0.08 M M M M
6/4/2017 7:00 AM 0.13 M M M M
6/7/2017 7:00 AM 0.04 M M M M
6/8/2017 7:00 AM 0.07 M M M M
6/9/2017 7:00 AM 0.03 M M M M
6/16/2017 7:00 AM 0.00 0.0 M M M
6/23/2017 7:00 AM 0.05 M M M M
6/28/2017 7:00 AM T M M M M
6/29/2017 7:00 AM T M M M M
6/30/2017 7:00 AM 0.04 M M M M
7/4/2017 7:00 AM T M M M M
7/5/2017 7:00 AM T M M M M
7/7/2017 7:00 AM 0.01 M M M M
7/8/2017 7:00 AM 0.08 M M M M
7/9/2017 7:00 AM 0.06 M M M M
7/10/2017 7:00 AM 0.02 M M M M
7/11/2017 7:00 AM T M M M M
7/12/2017 7:00 AM 0.02 M M M M
7/13/2017 7:00 AM 0.18 M M M M
7/14/2017 7:00 AM 0.00 0.0 M M M
7/17/2017 7:00 AM 0.12 M M M M
7/18/2017 7:00 AM 0.13 M M M M
7/20/2017 7:00 AM 0.02 M M M M
7/21/2017 7:00 AM 0.06 M M M M
7/22/2017 7:00 AM 0.71 M M M M
7/23/2017 7:00 AM 0.01 M M M M
7/24/2017 7:00 AM 0.05 M M M M
7/25/2017 7:00 AM 0.00 0.0 M M M
7/27/2017 7:00 AM 0.66 M M M M
7/28/2017 7:00 AM T M M M M
7/29/2017 7:00 AM 0.27 M M M M
7/30/2017 7:00 AM 0.08 M M M M
7/31/2017 11:30 AM 0.22 M M M M
8/3/2017 7:00 AM 0.23 M M M M
8/4/2017 7:00 AM 0.13 M M M M
8/6/2017 10:00 AM 0.01 M M M M
8/7/2017 7:00 AM 0.05 M M M M
8/8/2017 7:00 AM 0.56 M M M M
8/9/2017 7:00 AM 0.37 M M M M
8/10/2017 7:00 AM 0.05 M M M M
8/11/2017 7:00 AM 0.19 M M M M
8/12/2017 6:55 AM 0.01 M M M M
8/13/2017 7:00 AM 0.01 M M M M
8/16/2017 7:00 AM 0.08 M M M M
8/17/2017 7:00 AM T M M M M
8/23/2017 7:00 AM 0.07 M M M M
8/24/2017 7:00 AM 0.23 M M M M
8/25/2017 7:00 AM 0.23 M M M M
8/28/2017 7:00 AM T M M M M
8/29/2017 7:00 AM T M M M M
8/30/2017 7:00 AM T M M M M
8/31/2017 7:00 AM 0.02 M M M M
9/1/2017 7:00 AM 0.08 M M M M
9/4/2017 7:00 AM 0.00 0.0 M M M
9/8/2017 7:00 AM T M M M M
9/11/2017 7:00 AM 0.01 M M M M
9/13/2017 7:00 AM 0.02 M M M M
9/14/2017 7:00 AM T M M M M
9/15/2017 7:00 AM 0.01 M M M M
9/16/2017 7:00 AM 0.02 M M M M
9/17/2017 7:00 AM 0.04 M M M M
9/18/2017 7:00 AM T M M M M
9/24/2017 7:00 AM 0.53 M M M M
9/25/2017 7:00 AM 0.23 M M M M
9/26/2017 7:00 AM 0.16 M M M M
9/27/2017 7:00 AM 0.04 M M M M
9/28/2017 7:00 AM 0.27 M M M M
9/29/2017 7:00 AM 0.53 M M M M
9/30/2017 7:00 AM 0.14 M 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