Station Overview Station Location
Station Number CO-SU-16 Latitude 39.597
Station Name Dillon 2.3 SE Longitude -106.0071
County Summit Elevation (ft) 9098



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 10 0.93 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
Nov 10 1.00 0.00 30 0.00 0 0.00 30 0 0 0 0.0 0 0
Dec 10 1.10 3.23 34 1.34 27 1.89 7 1 12 2 20.3 13 27
Jan 11 0.82 0.84 31 0.84 31 0.00 0 0 14 5 19.7 18 31
Feb 11 0.91 1.12 28 1.12 28 0.00 0 0 14 3 24.7 16 28
March 11 1.16 1.82 31 1.82 31 0.00 0 0 16 3 32.0 17 31
April 11 1.46 0.29 9 0.29 9 0.00 0 0 2 2 3.2 2 9
May 11 1.30 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 11 1.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 11 1.82 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 1.66 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 1.28 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 14.75" 7.30" 194 days 5.41" 126 1.89" 68 days 1 58 days 15 days 99.9" 66 days 126 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
10/1/2010 **
10/2/2010 **
10/3/2010 **
10/4/2010 **
10/5/2010 **
10/6/2010 **
10/7/2010 **
10/8/2010 **
10/9/2010 **
10/10/2010 **
10/11/2010 **
10/12/2010 **
10/13/2010 **
10/14/2010 **
10/15/2010 **
10/16/2010 **
10/17/2010 **
10/18/2010 **
10/19/2010 **
10/20/2010 **
10/21/2010 **
10/22/2010 **
10/23/2010 **
10/24/2010 **
10/25/2010 **
10/26/2010 **
10/27/2010 **
10/28/2010 **
10/29/2010 **
10/30/2010 **
10/31/2010 **
11/1/2010 **
11/2/2010 **
11/3/2010 **
11/4/2010 **
11/5/2010 **
11/6/2010 **
11/7/2010 **
11/8/2010 **
11/9/2010 **
11/10/2010 **
11/11/2010 **
11/12/2010 **
11/13/2010 **
11/14/2010 **
11/15/2010 **
11/16/2010 **
11/17/2010 **
11/18/2010 **
11/19/2010 **
11/20/2010 **
11/21/2010 **
11/22/2010 **
11/23/2010 **
11/24/2010 **
11/25/2010 **
11/26/2010 **
11/27/2010 **
11/28/2010 **
11/29/2010 **
11/30/2010 **
12/1/2010 **
12/2/2010 **
12/3/2010 **
12/4/2010 **
12/5/2010 0.00 **
12/6/2010 0.00 **
12/7/2010 0.10 1.89
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 T
12/11/2010 0.10
12/12/2010 0.02
12/13/2010 0.04
12/14/2010 0.00
12/15/2010 T
12/16/2010 0.10
12/17/2010 0.00
12/18/2010 0.05
12/19/2010 0.27
12/20/2010 0.23
12/21/2010 0.20
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.03
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.06
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.14
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.01
1/2/2011 0.00
1/3/2011 0.08
1/4/2011 T
1/5/2011 T
1/6/2011 0.01
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.06
1/10/2011 0.04
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 T
1/14/2011 T
1/15/2011 0.00
1/16/2011 T
1/17/2011 0.03
1/18/2011 0.07
1/19/2011 0.05
1/20/2011 0.18
1/21/2011 0.06
1/22/2011 0.17
1/23/2011 0.03
1/24/2011 0.02
1/25/2011 0.00
1/26/2011 0.03
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 0.00
2/1/2011 T
2/2/2011 T
2/3/2011 0.00
2/4/2011 0.01
2/5/2011 0.14
2/6/2011 0.24
2/7/2011 0.01
2/8/2011 0.09
2/9/2011 0.01
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.01
2/18/2011 0.11
2/19/2011 0.00
2/20/2011 0.09
2/21/2011 0.05
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 T
2/25/2011 0.10
2/26/2011 0.19
2/27/2011 0.06
2/28/2011 0.01
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.02
3/4/2011 0.12
3/5/2011 0.00
3/6/2011 0.08
3/7/2011 0.09
3/8/2011 T
3/9/2011 0.03
3/10/2011 0.00
3/11/2011 0.00
3/12/2011 0.00
3/13/2011 0.11
3/14/2011 0.00
3/15/2011 0.11
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.20
3/19/2011 0.00
3/20/2011 T
3/21/2011 0.00
3/22/2011 0.06
3/23/2011 0.04
3/24/2011 0.00
3/25/2011 T
3/26/2011 0.05
3/27/2011 0.09
3/28/2011 0.48
3/29/2011 0.21
3/30/2011 0.02
3/31/2011 0.11
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.02
4/2/2011 0.00
4/3/2011 T
4/4/2011 0.27
4/5/2011 0.00
4/6/2011 0.00
4/7/2011 T
4/8/2011 0.00
4/9/2011 0.00
4/10/2011
4/11/2011
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011
4/22/2011
4/23/2011
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
12/5/2010 7:00 AM 0.00 0.0 0.00 4.0 M
12/6/2010 7:00 AM 0.00 0.0 0.00 4.0 M
12/7/2010 7:00 AM 0.10 2.8 M 7.0 M
12/8/2010 7:00 AM 0.00 0.0 M 6.0 M
12/9/2010 7:00 AM 0.00 0.0 M 5.5 M
12/10/2010 7:00 AM T 0.2 M 5.0 M
12/11/2010 7:00 AM 0.10 2.3 M 7.0 M
12/12/2010 7:00 AM 0.02 0.5 M 7.0 M
12/13/2010 7:00 AM 0.04 0.3 M 7.0 M
12/14/2010 7:00 AM 0.00 0.0 M 6.5 M
12/15/2010 7:00 AM T T M 6.0 M
12/16/2010 7:00 AM 0.10 2.7 M 9.0 M
12/17/2010 7:00 AM 0.00 0.0 M 9.0 M
12/18/2010 7:00 AM 0.05 1.0 M 9.0 M
12/19/2010 7:00 AM 0.27 4.0 M 13.5 M
12/20/2010 7:00 AM 0.23 1.4 M 14.0 M
12/21/2010 7:00 AM 0.20 1.0 M 12.5 M
12/22/2010 7:00 AM 0.00 0.0 M 12.0 M
12/23/2010 7:00 AM 0.00 0.0 M 11.5 M
12/24/2010 7:00 AM 0.03 0.5 M 12.0 M
12/25/2010 7:00 AM 0.00 0.0 M 11.5 M
12/26/2010 7:00 AM 0.00 0.0 M 11.5 M
12/27/2010 7:00 AM 0.06 2.0 M 13.5 M
12/28/2010 7:00 AM 0.00 0.0 M 13.0 M
12/29/2010 7:00 AM 0.00 0.0 M 13.0 M
12/30/2010 7:00 AM 0.00 0.0 M 12.5 M
12/31/2010 7:00 AM 0.14 1.6 M 14.0 M
1/1/2011 7:00 AM 0.01 0.3 M 14.0 M
1/2/2011 7:00 AM 0.00 0.0 M 14.0 M
1/3/2011 7:00 AM 0.08 1.7 M 15.5 M
1/4/2011 7:00 AM T 0.1 M 15.0 M
1/5/2011 7:00 AM T T M 14.5 M
1/6/2011 7:00 AM 0.01 0.3 M 14.5 M
1/7/2011 7:00 AM 0.00 0.0 M 13.5 M
1/8/2011 7:00 AM 0.00 0.0 M 13.0 M
1/9/2011 7:00 AM 0.06 1.3 M 14.5 M
1/10/2011 7:00 AM 0.04 0.9 M 15.5 M
1/11/2011 7:00 AM 0.00 0.0 M 15.0 M
1/12/2011 7:00 AM 0.00 0.0 M 14.5 M
1/13/2011 7:00 AM T 0.1 M 14.0 M
1/14/2011 7:00 AM T 0.2 M 14.0 M
1/15/2011 7:00 AM 0.00 0.0 M 13.5 M
1/16/2011 7:00 AM T 0.1 M 13.0 M
1/17/2011 7:00 AM 0.03 0.6 M 13.5 M
1/18/2011 7:00 AM 0.07 1.5 M 14.5 M
1/19/2011 7:00 AM 0.05 1.0 M 15.0 M
1/20/2011 7:00 AM 0.18 2.3 M 17.5 M
1/21/2011 7:00 AM 0.06 2.8 M 18.5 M
1/22/2011 7:00 AM 0.17 3.9 M 20.0 M
1/23/2011 7:00 AM 0.03 1.0 M 19.5 M
1/24/2011 7:00 AM 0.02 0.7 M 19.0 M
1/25/2011 7:00 AM 0.00 0.0 M 18.5 M
1/26/2011 7:00 AM 0.03 0.9 M 19.0 M
1/27/2011 7:00 AM 0.00 0.0 M 18.0 M
1/28/2011 7:00 AM 0.00 0.0 M 17.0 M
1/29/2011 7:00 AM 0.00 0.0 M 17.0 M
1/30/2011 7:00 AM 0.00 0.0 M 16.5 M
1/31/2011 7:00 AM 0.00 0.0 M 16.0 M
2/1/2011 7:00 AM T 0.1 M 16.0 M
2/2/2011 7:00 AM T 0.1 M 16.0 M Bitter cold. -40° this morning!
2/3/2011 7:00 AM 0.00 0.0 M 16.0 M Bitter cold continues. -37° for a low this morning. The high yesterday was -1.4°.
2/4/2011 7:00 AM 0.01 0.3 M 16.0 M
2/5/2011 7:00 AM 0.14 3.5 M 19.5 M
2/6/2011 7:00 AM 0.24 4.0 M 23.5 M
2/7/2011 7:00 AM 0.01 0.4 M 22.0 M
2/8/2011 7:00 AM 0.09 2.5 M 23.5 M
2/9/2011 7:00 AM 0.01 0.1 M 22.5 M Bitter cold again. -30°
2/10/2011 7:00 AM 0.00 0.0 M 22.0 M Still cold, -25°, this mornining.
2/11/2011 7:00 AM 0.00 0.0 M 22.0 M
2/12/2011 7:00 AM 0.00 0.0 M 21.0 M
2/13/2011 7:00 AM 0.00 0.0 M 20.0 M
2/14/2011 7:00 AM 0.00 0.0 M 19.0 M
2/15/2011 7:00 AM 0.00 0.0 M 18.0 M
2/16/2011 7:00 AM 0.00 0.0 M 17.0 M
2/17/2011 7:00 AM 0.01 1.8 M 16.5 M
2/18/2011 7:00 AM 0.11 2.5 M 19.0 M
2/19/2011 7:00 AM 0.00 0.0 M 18.0 M
2/20/2011 7:00 AM 0.09 2.0 M 19.0 M
2/21/2011 7:00 AM 0.05 0.7 M 19.0 M
2/22/2011 7:00 AM 0.00 0.0 M 18.5 M
2/23/2011 7:00 AM 0.00 0.0 M 18.0 M
2/24/2011 7:00 AM T T M 17.0 M
2/25/2011 7:00 AM 0.10 1.5 M 18.5 M
2/26/2011 7:00 AM 0.19 2.9 M 22.0 M
2/27/2011 7:00 AM 0.06 1.5 M 21.0 M
2/28/2011 7:00 AM 0.01 0.8 M 20.0 M
3/1/2011 7:00 AM 0.00 0.0 M 19.0 M
3/2/2011 7:00 AM 0.00 0.0 M 18.0 M
3/3/2011 7:00 AM 0.02 0.4 M 17.5 M
3/4/2011 7:00 AM 0.12 2.1 M 19.5 M
3/5/2011 7:00 AM 0.00 0.0 M 19.0 M
3/6/2011 7:00 AM 0.08 0.6 M 18.5 M
3/7/2011 7:00 AM 0.09 1.0 M 19.5 M
3/8/2011 7:00 AM T 0.2 M 18.5 M
3/9/2011 7:00 AM 0.03 0.6 M 18.0 M
3/10/2011 7:00 AM 0.00 0.0 M 18.0 M
3/11/2011 7:00 AM 0.00 0.0 M 17.5 M
3/12/2011 7:00 AM 0.00 0.0 M 17.0 M
3/13/2011 7:00 AM 0.11 3.0 M 19.0 M
3/14/2011 7:00 AM 0.00 0.0 M 18.0 M
3/15/2011 7:00 AM 0.11 2.5 M 16.5 M
3/16/2011 7:00 AM 0.00 0.0 M 16.0 M
3/17/2011 7:00 AM 0.00 0.0 M 15.5 M
3/18/2011 7:00 AM 0.20 4.0 M 17.0 M
3/19/2011 7:00 AM 0.00 0.0 M 15.0 M
3/20/2011 7:00 AM T T M 13.5 M
3/21/2011 7:00 AM 0.00 0.0 M 12.0 M
3/22/2011 7:00 AM 0.06 1.5 M 12.0 M
3/23/2011 7:00 AM 0.04 1.3 M 12.0 M
3/24/2011 7:00 AM 0.00 0.0 M 11.0 M
3/25/2011 7:00 AM T T M 10.0 M
3/26/2011 7:00 AM 0.05 1.0 M 10.5 M
3/27/2011 7:00 AM 0.09 1.0 M 11.5 M
3/28/2011 7:00 AM 0.48 9.0 M 22.0 M
3/29/2011 7:00 AM 0.21 2.5 M 23.0 M
3/30/2011 7:00 AM 0.02 0.3 M 21.0 M
3/31/2011 7:00 AM 0.11 1.0 M 21.0 M
4/1/2011 7:00 AM 0.02 0.0 M 15.0 M
4/2/2011 7:00 AM 0.00 0.0 M 12.5 M
4/3/2011 7:00 AM T T M 7.0 M
4/4/2011 7:00 AM 0.27 3.0 M 8.5 M
4/5/2011 7:00 AM 0.00 0.0 M 7.0 M
4/6/2011 7:00 AM 0.00 0.0 M 5.0 M
4/7/2011 7:00 AM T 0.2 M 4.5 M
4/8/2011 7:00 AM 0.00 0.0 M 4.0 M
4/9/2011 5:30 AM 0.00 0.0 M 3.0 M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
9/27/2010 12/07/2010 12:00 AM 72 1.89 4.0 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