Station Overview Station Location
Station Number CO-JK-16 Latitude 40.9484
Station Name Cowdrey 16.5 WNW Longitude -106.6071
County Jackson Elevation (ft) 9026



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 2.96 1.17 31 1.17 21 0.00 10 0 7 3 0.5 1 1
Nov 10 4.15 2.89 30 1.16 7 1.73 23 1 4 0 12.3 4 4
Dec 10 4.44 4.33 31 1.49 6 2.84 25 2 5 1 20.3 5 6
Jan 11 4.17 1.17 19 1.04 16 0.13 3 1 7 4 14.5 7 11
Feb 11 3.93 0.00 27 0.00 0 0.00 27 0 0 0 0.0 0 0
March 11 3.59 0.00 31 0.00 0 0.00 31 0 0 0 0.0 0 0
April 11 3.66 0.00 30 0.00 0 0.00 30 0 0 0 0.0 0 0
May 11 3.02 9.09 31 0.60 11 8.49 20 5 3 3 6.0 1 3
June 11 2.05 0.58 27 0.17 20 0.41 7 1 1 4 0.0 0 0
July 11 1.47 2.93 26 2.11 22 0.82 4 2 11 1 0.0 0 0
Aug 11 1.76 3.14 28 2.12 19 1.02 9 3 10 1 0.0 0 0
Sept 11 2.25 1.41 29 0.69 20 0.72 9 1 5 2 0.0 0 0
Water Year Totals: 37.45" 26.71" 340 days 10.55" 142 16.16" 198 days 16 53 days 19 days 53.6" 18 days 25 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 0.00
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 0.00
10/5/2010 0.00
10/6/2010 0.14
10/7/2010 0.04
10/8/2010 0.02
10/9/2010 0.22
10/10/2010 0.04
10/11/2010 T
10/12/2010 0.19
10/13/2010 T
10/14/2010 0.00
10/15/2010 0.00
10/16/2010 0.00
10/17/2010 0.00
10/18/2010 T
10/19/2010 0.52
10/20/2010 0.00
10/21/2010 0.00
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 1.73
11/14/2010 0.14
11/15/2010 0.23
11/16/2010 0.17
11/17/2010 0.62
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
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 **
12/6/2010 **
12/7/2010 **
12/8/2010 **
12/9/2010 **
12/10/2010 **
12/11/2010 **
12/12/2010 **
12/13/2010 **
12/14/2010 **
12/15/2010 **
12/16/2010 **
12/17/2010 **
12/18/2010 **
12/19/2010 **
12/20/2010 2.62
12/21/2010 0.82
12/22/2010 0.25
12/23/2010 **
12/24/2010 **
12/25/2010 **
12/26/2010 **
12/27/2010 0.22
12/28/2010 T
12/29/2010 0.01
12/30/2010 0.20
12/31/2010 0.21
Day of YearDaily PrcpMultiday Prcp
1/1/2011 T
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 T
1/5/2011
1/6/2011 0.01
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 **
1/10/2011 **
1/11/2011 0.13
1/12/2011 0.00
1/13/2011 0.01
1/14/2011 0.02
1/15/2011 T
1/16/2011 T
1/17/2011 0.21
1/18/2011 0.46
1/19/2011 0.24
1/20/2011 0.09
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011 **
2/3/2011 **
2/4/2011 **
2/5/2011 **
2/6/2011 **
2/7/2011 **
2/8/2011 **
2/9/2011 **
2/10/2011 **
2/11/2011 **
2/12/2011 **
2/13/2011 **
2/14/2011 **
2/15/2011 **
2/16/2011 **
2/17/2011 **
2/18/2011 **
2/19/2011 **
2/20/2011 **
2/21/2011 **
2/22/2011 **
2/23/2011 **
2/24/2011 **
2/25/2011 **
2/26/2011 **
2/27/2011 **
2/28/2011 **
3/1/2011 **
3/2/2011 **
3/3/2011 **
3/4/2011 **
3/5/2011 **
3/6/2011 **
3/7/2011 **
3/8/2011 **
3/9/2011 **
3/10/2011 **
3/11/2011 **
3/12/2011 **
3/13/2011 **
3/14/2011 **
3/15/2011 **
3/16/2011 **
3/17/2011 **
3/18/2011 **
3/19/2011 **
3/20/2011 **
3/21/2011 **
3/22/2011 **
3/23/2011 **
3/24/2011 **
3/25/2011 **
3/26/2011 **
3/27/2011 **
3/28/2011 **
3/29/2011 **
3/30/2011 **
3/31/2011 **
Day of YearDaily PrcpMultiday Prcp
4/1/2011 **
4/2/2011 **
4/3/2011 **
4/4/2011 **
4/5/2011 **
4/6/2011 **
4/7/2011 **
4/8/2011 **
4/9/2011 **
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 6.37
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 **
5/11/2011 **
5/12/2011 **
5/13/2011 **
5/14/2011 0.67
5/15/2011 T
5/16/2011 0.00
5/17/2011 **
5/18/2011 **
5/19/2011 0.66
5/20/2011 0.55
5/21/2011 **
5/22/2011 0.47
5/23/2011 T
5/24/2011 **
5/25/2011 **
5/26/2011 **
5/27/2011 **
5/28/2011 0.32
5/29/2011 0.02
5/30/2011 T
5/31/2011 0.03
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.00
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 T
6/11/2011
6/12/2011
6/13/2011
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.17
6/17/2011 **
6/18/2011 **
6/19/2011 **
6/20/2011 **
6/21/2011 0.41
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 T
6/25/2011 T
6/26/2011 0.00
6/27/2011 T
6/28/2011 0.00
6/29/2011 **
6/30/2011 **
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.45
7/2/2011 0.00
7/3/2011
7/4/2011 0.00
7/5/2011 T
7/6/2011 0.02
7/7/2011 0.01
7/8/2011 0.63
7/9/2011 0.63
7/10/2011 0.34
7/11/2011 0.05
7/12/2011 0.11
7/13/2011 0.08
7/14/2011 0.11
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00 **
7/18/2011 **
7/19/2011 0.37
7/20/2011 0.03
7/21/2011 0.00
7/22/2011 0.00
7/23/2011
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 0.10
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011 0.05
8/2/2011 0.03
8/3/2011 T
8/4/2011 0.45
8/5/2011 **
8/6/2011 **
8/7/2011 0.12
8/8/2011 0.00
8/9/2011
8/10/2011
8/11/2011
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.01
8/16/2011 0.55
8/17/2011 0.22
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.67
8/21/2011 0.00
8/22/2011 0.01
8/23/2011 **
8/24/2011 0.02
8/25/2011 0.00
8/26/2011 0.11
8/27/2011 0.02
8/28/2011 **
8/29/2011 **
8/30/2011 **
8/31/2011 0.88
9/1/2011 0.02
9/2/2011 T
9/3/2011 T
9/4/2011 0.00
9/5/2011 0.00
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 0.72
9/15/2011 0.29
9/16/2011 0.17
9/17/2011 0.02
9/18/2011 0.19
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.00
9/23/2011 0.00
9/24/2011
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.00
9/28/2011 0.00
9/29/2011 0.00
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 0.00 0.0 M M M
10/2/2010 7:00 AM 0.00 0.0 M M M
10/3/2010 7:00 AM 0.00 0.0 M M M
10/4/2010 7:00 AM 0.00 0.0 M M M
10/5/2010 7:00 AM 0.00 0.0 M M M
10/6/2010 7:00 AM 0.14 M M M M
10/7/2010 7:00 AM 0.04 M M M M
10/8/2010 7:00 AM 0.02 M M M M
10/9/2010 7:00 AM 0.22 0.5 0.09 0.5 M
10/10/2010 7:00 AM 0.04 M M M M
10/11/2010 7:00 AM T M M M M
10/12/2010 7:00 AM 0.19 M M M M
10/13/2010 7:00 AM T M M M M
10/14/2010 7:00 AM 0.00 0.0 M M M
10/15/2010 7:00 AM 0.00 0.0 M M M
10/16/2010 7:00 AM 0.00 0.0 M M M
10/17/2010 7:00 AM 0.00 0.0 M M M
10/18/2010 7:00 AM T M M M M
10/19/2010 7:00 AM 0.52 M M M M
10/20/2010 7:00 AM 0.00 0.0 M M M
10/21/2010 7:00 AM 0.00 0.0 M M M
11/14/2010 7:30 AM 0.14 2.0 0.14 4.0 M
11/15/2010 7:00 AM 0.23 4.5 M 9.3 M
11/16/2010 7:00 AM 0.17 1.5 0.17 9.8 M Totals may be skewed, heavy winds causing drifting and blowing snow.
11/17/2010 7:00 AM 0.62 4.3 0.62 16.5 M
11/18/2010 7:00 AM 0.00 0.0 M M M
11/19/2010 7:00 AM 0.00 0.0 M M M
11/20/2010 7:00 AM 0.00 0.0 M M M
12/21/2010 9:00 AM 0.82 9.3 0.82 38.0 0.82
12/22/2010 7:00 AM 0.25 3.0 0.25 39.0 0.25
12/28/2010 7:00 AM T T 0.00 37.5 M
12/29/2010 7:00 AM 0.01 1.0 0.01 37.0 0.01 New snow depth is approximate as the wind up here is fearsome and I cannot get a good measure of depth of new snow
12/30/2010 7:00 AM 0.20 3.5 0.20 40.9 0.20
12/31/2010 7:00 AM 0.21 3.5 0.21 43.0 0.21
1/1/2011 7:00 AM T M M M M
1/2/2011 7:00 AM 0.00 0.0 M M M
1/3/2011 7:00 AM 0.00 0.0 M M M
1/4/2011 7:00 AM T T T 28.6 T Heavy winds packing snow
1/6/2011 7:00 AM 0.01 1.0 0.01 37.0 M New snow depth is approximate. High winds prevented new snow from depositing on flat surface.
1/7/2011 7:00 AM 0.00 0.0 0.00 36.5 M
1/8/2011 7:00 AM 0.00 0.0 M M M
1/12/2011 7:00 AM 0.00 0.0 0.00 37.0 M
1/13/2011 7:00 AM 0.01 0.5 0.01 38.0 0.01 New snow is approximate as heavy winds kept the snow from accumulating on flat surface
1/14/2011 8:00 AM 0.02 1.0 0.02 37.5 0.02
1/15/2011 7:00 AM T T T M M
1/16/2011 7:00 AM T T T 36.0 M
1/17/2011 8:00 AM 0.21 1.5 0.21 37.5 M
1/18/2011 8:00 AM 0.46 4.0 0.42 40.0 0.42 New snow depth is approximate as high winds prevent accurate measure
1/19/2011 9:00 AM 0.24 5.0 0.24 47.0 0.24
1/20/2011 7:00 AM 0.09 1.5 0.09 44.5 0.09
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 7:00 AM 0.00 0.0 M M M
5/8/2011 7:00 AM 0.00 0.0 M M M
5/9/2011 7:00 AM 0.00 0.0 M M M
5/15/2011 7:00 AM T T T 40.0 M
5/16/2011 7:00 AM 0.00 0.0 M M M
5/20/2011 7:00 AM 0.55 6.0 0.55 44.2 M
5/23/2011 7:00 AM T T T 37.0 M
5/29/2011 7:00 AM 0.02 M M M M
5/30/2011 7:00 AM T T T M M
5/31/2011 7:00 AM 0.03 M M M M
6/1/2011 6:00 AM 0.00 0.0 M M M
6/2/2011 7:00 AM 0.00 0.0 M M M
6/3/2011 7:00 AM 0.00 0.0 M M M
6/4/2011 7:00 AM 0.00 0.0 M M M
6/5/2011 7:00 AM 0.00 0.0 M M M
6/6/2011 7:00 AM 0.00 0.0 M M M
6/7/2011 7:00 AM 0.00 0.0 M M M
6/8/2011 7:00 AM 0.00 0.0 M M M
6/9/2011 7:00 AM 0.00 0.0 M M M
6/10/2011 7:00 AM T M M M M
6/14/2011 7:00 AM 0.00 0.0 M M M
6/15/2011 7:00 AM 0.00 0.0 M M M
6/16/2011 7:00 AM 0.17 M M M M
6/22/2011 7:00 AM 0.00 0.0 M M M
6/23/2011 7:00 AM 0.00 0.0 M M M
6/24/2011 7:00 AM T M M M M
6/25/2011 7:00 AM T M M M M
6/26/2011 7:00 AM 0.00 0.0 M M M
6/27/2011 7:00 AM T M M M M
6/28/2011 6:00 AM 0.00 0.0 M M M
7/2/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM 0.00 0.0 M M M
7/5/2011 7:00 AM T M M M M
7/6/2011 7:00 AM 0.02 M M M M
7/7/2011 7:00 AM 0.01 M M M M
7/8/2011 7:00 AM 0.63 M M M M
7/9/2011 7:00 AM 0.63 M M M M
7/10/2011 7:00 AM 0.34 M M M M
7/11/2011 7:00 AM 0.05 M M M M
7/12/2011 2:45 PM 0.11 M M M M
7/13/2011 7:00 AM 0.08 M M M M
7/14/2011 7:00 AM 0.11 M M M M
7/15/2011 7:00 AM 0.00 0.0 M M M
7/16/2011 7:00 AM 0.00 0.0 M M M
7/17/2011 7:00 AM 0.00 0.0 M M M
7/20/2011 7:00 PM 0.03 M M M M
7/21/2011 7:00 AM 0.00 0.0 M M M
7/22/2011 7:00 AM 0.00 0.0 M M M
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M M M
7/26/2011 7:00 AM 0.00 0.0 M M M
7/27/2011 7:00 AM 0.10 M M M M
8/1/2011 7:00 AM 0.05 M M M M
8/2/2011 7:00 AM 0.03 M M M M
8/3/2011 7:00 AM T M M M M
8/4/2011 7:00 AM 0.45 M M M M
8/8/2011 7:00 AM 0.00 0.0 M M M
8/12/2011 7:00 AM 0.00 0.0 M M M
8/13/2011 7:00 AM 0.00 0.0 M M M
8/14/2011 7:00 AM 0.00 0.0 M M M
8/15/2011 7:00 AM 0.01 M M M M
8/16/2011 7:00 AM 0.55 M M M M
8/17/2011 7:00 AM 0.22 M M M M
8/18/2011 7:00 AM 0.00 0.0 M M M
8/19/2011 7:00 AM 0.00 0.0 M M M
8/20/2011 7:00 AM 0.67 M M M M
8/21/2011 7:00 AM 0.00 0.0 M M M
8/22/2011 7:00 AM 0.01 M M M M
8/25/2011 7:00 AM 0.00 0.0 M M M
8/26/2011 7:00 AM 0.11 M M M M
8/27/2011 7:00 AM 0.02 M M M M
9/1/2011 7:00 AM 0.02 M M M M
9/2/2011 7:00 AM T M M M M
9/3/2011 7:00 AM T M M M M
9/4/2011 7:00 AM 0.00 0.0 M M M
9/5/2011 7:00 AM 0.00 0.0 M M M
9/15/2011 9:10 AM 0.29 M M M M
9/16/2011 7:00 AM 0.17 M M M M
9/17/2011 7:00 AM 0.02 M M M M
9/18/2011 7:00 AM 0.19 M M M M
9/19/2011 7:00 AM 0.00 0.0 M M M
9/20/2011 7:00 AM 0.00 0.0 M M M
9/21/2011 7:00 AM 0.00 0.0 M M M
9/22/2011 7:00 AM 0.00 0.0 M M M
9/23/2011 7:00 AM 0.00 0.0 M M M
9/25/2011 7:00 AM 0.00 0.0 M M M
9/26/2011 7:00 AM 0.00 0.0 M M M
9/27/2011 7:00 AM 0.00 0.0 M M M
9/28/2011 7:00 AM 0.00 0.0 M M M
9/29/2011 7:00 AM 0.00 0.0 M M M
9/30/2011 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
10/22/2010 11/13/2010 12:00 AM 23 1.73 3.0 M
11/21/2010 12/20/2010 10:30 AM 30 2.62 32.7 2.62
12/23/2010 12/27/2010 7:00 AM 5 0.22 38.9 M
1/9/2011 1/11/2011 12:00 AM 3 0.13 M M
2/2/2011 5/05/2011 12:00 AM 93 6.37 63.0 M
5/10/2011 5/14/2011 12:00 AM 5 0.67 41.0 M
5/17/2011 5/19/2011 9:00 AM 3 0.66 40.7 M
5/21/2011 5/22/2011 12:00 AM 2 0.47 40.0 M Total Depth of Snow is an estimate. Not measured
5/24/2011 5/28/2011 7:00 AM 5 0.32 37.3 M
6/17/2011 6/21/2011 1:30 PM 5 0.41 M M
6/29/2011 7/01/2011 6:00 PM 3 0.45 M M
7/17/2011 7/19/2011 4:30 PM 3 0.37 M M
8/5/2011 8/07/2011 7:00 AM 3 0.12 M M
8/23/2011 8/24/2011 12:00 AM 2 0.02 M M
8/28/2011 8/31/2011 7:00 AM 4 0.88 M M
9/6/2011 9/14/2011 7:00 PM 9 0.72 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