Station Overview Station Location
Station Number CO-BO-282 Latitude 39.964607
Station Name Boulder 4.4 S Longitude -105.236213
County Boulder Elevation (ft) 5440



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 14 1.34 1.38 8 1.38 8 0.00 0 0 6 1 0.0 0 0
Nov 14 1.00 0.74 5 0.74 5 0.00 0 0 4 1 8.5 3 3
Dec 14 0.82 1.43 9 1.43 9 0.00 0 0 7 1 18.7 5 8
Jan 15 0.60 0.34 17 0.34 17 0.00 0 0 5 5 4.3 5 10
Feb 15 0.64 3.78 15 3.78 15 0.00 0 0 11 1 46.3 10 13
March 15 1.90 0.11 6 0.11 6 0.00 0 0 2 1 3.2 1 6
April 15 2.41 3.69 10 3.69 10 0.00 0 0 5 5 4.3 2 2
May 15 2.64 6.55 30 6.55 30 0.00 0 0 23 1 3.5 1 1
June 15 2.14 3.06 28 3.06 28 0.00 0 0 14 2 0.0 0 0
July 15 1.65 2.77 31 2.77 31 0.00 0 0 13 3 0.0 0 0
Aug 15 1.88 0.33 30 0.33 30 0.00 0 0 4 1 0.0 0 0
Sept 15 1.51 0.12 2 0.12 2 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 18.53" 24.30" 191 days 24.30" 191 0.00" 0 days 0 96 days 22 days 88.8" 27 days 43 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
10/1/2014 T
10/2/2014 0.25
10/3/2014 0.01
10/4/2014
10/5/2014
10/6/2014
10/7/2014
10/8/2014
10/9/2014
10/10/2014 0.99
10/11/2014 0.03
10/12/2014 0.00
10/13/2014 0.03
10/14/2014
10/15/2014
10/16/2014
10/17/2014
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014 0.07
10/23/2014
10/24/2014
10/25/2014
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014
10/31/2014
11/1/2014
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014
11/7/2014
11/8/2014 0.20
11/9/2014
11/10/2014
11/11/2014 0.07
11/12/2014 0.40
11/13/2014 0.07
11/14/2014
11/15/2014
11/16/2014
11/17/2014
11/18/2014
11/19/2014
11/20/2014
11/21/2014
11/22/2014
11/23/2014
11/24/2014
11/25/2014
11/26/2014 T
11/27/2014
11/28/2014
11/29/2014
11/30/2014
12/1/2014
12/2/2014
12/3/2014
12/4/2014
12/5/2014
12/6/2014
12/7/2014
12/8/2014
12/9/2014
12/10/2014
12/11/2014
12/12/2014
12/13/2014
12/14/2014
12/15/2014 0.26
12/16/2014
12/17/2014
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014 0.08
12/23/2014 0.04
12/24/2014
12/25/2014
12/26/2014 0.62
12/27/2014 0.05
12/28/2014 0.00
12/29/2014 T
12/30/2014 0.36
12/31/2014 0.02
Day of YearDaily PrcpMultiday Prcp
1/1/2015 0.00
1/2/2015 0.00
1/3/2015 0.00
1/4/2015 0.04
1/5/2015 0.00
1/6/2015 0.00
1/7/2015 0.01
1/8/2015 T
1/9/2015 0.10
1/10/2015
1/11/2015 T
1/12/2015 T
1/13/2015
1/14/2015 0.05
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015 T
1/21/2015 T
1/22/2015 0.14
1/23/2015 0.00
1/24/2015 0.00
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015
2/1/2015 0.40
2/2/2015 0.00
2/3/2015
2/4/2015 0.20
2/5/2015 0.20
2/6/2015
2/7/2015
2/8/2015
2/9/2015
2/10/2015
2/11/2015 0.05
2/12/2015
2/13/2015
2/14/2015
2/15/2015
2/16/2015 0.71
2/17/2015 0.30
2/18/2015 0.00
2/19/2015
2/20/2015
2/21/2015 0.30
2/22/2015 0.60
2/23/2015 0.10
2/24/2015 0.00
2/25/2015
2/26/2015 0.90
2/27/2015 0.02
2/28/2015 T
3/1/2015 T
3/2/2015 0.00
3/3/2015 0.00
3/4/2015 0.10
3/5/2015 0.01
3/6/2015 0.00
3/7/2015
3/8/2015
3/9/2015
3/10/2015
3/11/2015
3/12/2015
3/13/2015
3/14/2015
3/15/2015
3/16/2015
3/17/2015
3/18/2015
3/19/2015
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015
3/25/2015
3/26/2015
3/27/2015
3/28/2015
3/29/2015
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015
4/3/2015 0.44
4/4/2015
4/5/2015
4/6/2015
4/7/2015
4/8/2015
4/9/2015 T
4/10/2015
4/11/2015
4/12/2015
4/13/2015
4/14/2015
4/15/2015
4/16/2015 T
4/17/2015 1.80
4/18/2015 0.35
4/19/2015 T
4/20/2015 T
4/21/2015
4/22/2015
4/23/2015
4/24/2015
4/25/2015
4/26/2015 T
4/27/2015 1.00
4/28/2015 0.10
4/29/2015
4/30/2015
5/1/2015 0.06
5/2/2015 0.16
5/3/2015 0.00
5/4/2015 0.36
5/5/2015 0.11
5/6/2015 0.25
5/7/2015 0.07
5/8/2015 0.53
5/9/2015 1.64
5/10/2015 0.56
5/11/2015 0.03
5/12/2015 0.00
5/13/2015 0.02
5/14/2015 0.04
5/15/2015 T
5/16/2015 0.14
5/17/2015 0.08
5/18/2015 0.15
5/19/2015 0.71
5/20/2015 0.57
5/21/2015 0.06
5/22/2015 0.26
5/23/2015
5/24/2015 0.35
5/25/2015 0.18
5/26/2015 0.10
5/27/2015 0.12
5/28/2015 0.00
5/29/2015 0.00
5/30/2015 0.00
5/31/2015 0.00
6/1/2015 0.00
6/2/2015 0.07
6/3/2015 0.00
6/4/2015 0.00
6/5/2015 0.34
6/6/2015 0.86
6/7/2015 0.05
6/8/2015 0.03
6/9/2015
6/10/2015 T
6/11/2015 0.11
6/12/2015 0.98
6/13/2015 0.37
6/14/2015 0.05
6/15/2015 0.00
6/16/2015 0.02
6/17/2015 0.10
6/18/2015 T
6/19/2015 0.03
6/20/2015 0.00
6/21/2015 0.00
6/22/2015
6/23/2015 0.00
6/24/2015 0.00
6/25/2015 0.04
6/26/2015 0.01
6/27/2015 0.00
6/28/2015 0.00
6/29/2015 0.00
6/30/2015 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.03
7/2/2015 0.02
7/3/2015 0.09
7/4/2015 0.00
7/5/2015 0.08
7/6/2015 0.24
7/7/2015 0.41
7/8/2015 0.15
7/9/2015 0.93
7/10/2015 0.05
7/11/2015 0.00
7/12/2015 0.00
7/13/2015 0.00
7/14/2015 0.06
7/15/2015 T
7/16/2015 0.51
7/17/2015 0.00
7/18/2015 T
7/19/2015 0.10
7/20/2015 0.00
7/21/2015 T
7/22/2015 0.10
7/23/2015 0.00
7/24/2015 0.00
7/25/2015 0.00
7/26/2015 0.00
7/27/2015 0.00
7/28/2015 0.00
7/29/2015 0.00
7/30/2015 0.00
7/31/2015 0.00
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.00
8/5/2015 0.00
8/6/2015 0.00
8/7/2015
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 0.00
8/11/2015 0.00
8/12/2015 0.00
8/13/2015 T
8/14/2015 0.03
8/15/2015 0.00
8/16/2015 0.02
8/17/2015 0.08
8/18/2015 0.00
8/19/2015 0.20
8/20/2015 0.00
8/21/2015 0.00
8/22/2015 0.00
8/23/2015 0.00
8/24/2015 0.00
8/25/2015 0.00
8/26/2015 0.00
8/27/2015 0.00
8/28/2015 0.00
8/29/2015 0.00
8/30/2015 0.00
8/31/2015 0.00
9/1/2015 0.08
9/2/2015
9/3/2015
9/4/2015
9/5/2015
9/6/2015
9/7/2015
9/8/2015
9/9/2015
9/10/2015
9/11/2015
9/12/2015
9/13/2015
9/14/2015
9/15/2015
9/16/2015
9/17/2015
9/18/2015
9/19/2015
9/20/2015
9/21/2015
9/22/2015
9/23/2015
9/24/2015
9/25/2015
9/26/2015
9/27/2015
9/28/2015
9/29/2015
9/30/2015 0.04



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:00 AM T M M M M
10/2/2014 7:00 AM 0.25 M M M M
10/3/2014 7:00 AM 0.01 M M M M
10/10/2014 7:00 AM 0.99 M M M M
10/11/2014 7:00 AM 0.03 M M M M
10/12/2014 7:00 AM 0.00 0.0 M M M
10/13/2014 7:00 AM 0.03 M M M M
10/22/2014 7:00 AM 0.07 M M M M
11/8/2014 7:00 AM 0.20 M M M M
11/11/2014 7:00 AM 0.07 1.6 M 1.6 M
11/12/2014 7:00 AM 0.40 5.4 M 7.0 M
11/13/2014 7:00 AM 0.07 1.5 M 7.0 M
11/26/2014 7:00 AM T M M M M
12/15/2014 7:00 AM 0.26 1.7 M 2.0 M
12/22/2014 7:00 AM 0.08 T M T M
12/23/2014 7:00 AM 0.04 1.0 M 1.0 M
12/26/2014 7:00 AM 0.62 10.8 M 10.7 M
12/27/2014 7:00 AM 0.05 0.5 M 9.8 M
12/28/2014 7:00 AM 0.00 0.0 M 8.0 M
12/29/2014 7:00 AM T M M 6.0 M
12/30/2014 7:00 AM 0.36 4.7 M 10.1 M
12/31/2014 7:00 AM 0.02 T M 9.0 M
1/1/2015 7:00 AM 0.00 0.0 M 8.5 M
1/2/2015 7:00 AM 0.00 0.0 M 8.5 M
1/3/2015 7:00 AM 0.00 0.0 M 8.0 M
1/4/2015 7:00 AM 0.04 0.7 M 9.0 M
1/5/2015 7:00 AM 0.00 0.0 M 8.0 M
1/6/2015 7:00 AM 0.00 0.0 M 5.0 M
1/7/2015 7:00 AM 0.01 0.3 M 4.5 M
1/8/2015 7:00 AM T M M 2.6 M
1/9/2015 7:00 AM 0.10 0.7 M M M
1/11/2015 7:00 AM T M M M M
1/12/2015 7:00 AM T M M M M
1/14/2015 7:00 AM 0.05 0.7 M M M
1/20/2015 7:00 AM T M M M M
1/21/2015 7:00 AM T M M M M
1/22/2015 7:00 AM 0.14 1.9 M 2.0 M
1/23/2015 7:00 AM 0.00 0.0 M 2.0 M
1/24/2015 7:00 AM 0.00 0.0 M T M
2/1/2015 7:00 AM 0.40 5.5 M 5.5 M
2/2/2015 7:00 AM 0.00 0.0 M 4.0 M
2/4/2015 9:30 AM 0.20 3.0 M 3.0 M
2/5/2015 7:00 AM 0.20 2.0 M M M
2/11/2015 7:00 AM 0.05 T M M M
2/16/2015 7:00 AM 0.71 7.0 M 7.0 M
2/17/2015 7:00 AM 0.30 3.0 M 6.0 M
2/18/2015 7:00 AM 0.00 0.0 M 3.0 M
2/21/2015 7:00 AM 0.30 4.5 M 4.5 M
2/22/2015 8:30 AM 0.60 8.5 M 12.0 M
2/23/2015 10:00 AM 0.10 1.3 M 11.0 M
2/24/2015 7:00 AM 0.00 0.0 M 9.0 M
2/26/2015 10:00 AM 0.90 9.5 M 11.0 M
2/27/2015 7:00 AM 0.02 2.0 M 13.5 M
2/28/2015 7:00 AM T T M 8.5 M
3/1/2015 7:00 AM T T M 8.0 M
3/2/2015 7:00 AM 0.00 0.0 M 6.0 M
3/3/2015 7:00 AM 0.00 0.0 M 5.0 M
3/4/2015 7:00 AM 0.10 3.2 M 8.5 M
3/5/2015 7:00 AM 0.01 T M 8.0 M
3/6/2015 7:00 AM 0.00 0.0 M 7.0 M
4/3/2015 7:00 AM 0.44 3.5 M 3.5 M
4/9/2015 7:00 AM T M M M M
4/16/2015 7:00 AM T M M M M
4/17/2015 7:00 AM 1.80 0.8 M 2.0 M
4/18/2015 7:00 AM 0.35 M M M M
4/19/2015 7:00 AM T M M M M
4/20/2015 7:00 AM T M M M M
4/26/2015 7:00 AM T M M M M
4/27/2015 7:00 AM 1.00 M M M M
4/28/2015 7:00 AM 0.10 M M M M
5/1/2015 7:00 AM 0.06 M M M M
5/2/2015 7:00 AM 0.16 M M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.36 M M M M
5/5/2015 7:00 AM 0.11 M M M M
5/6/2015 7:00 AM 0.25 M M M M
5/7/2015 7:00 AM 0.07 M M M M
5/8/2015 7:00 AM 0.53 M M M M
5/9/2015 7:00 AM 1.64 M M M M
5/10/2015 7:00 AM 0.56 3.5 M 3.5 M
5/11/2015 7:00 AM 0.03 M M M M
5/12/2015 7:00 AM 0.00 0.0 M M M
5/13/2015 7:00 AM 0.02 M M M M
5/14/2015 7:00 AM 0.04 M M M M
5/15/2015 7:00 AM T M M M M
5/16/2015 7:00 AM 0.14 M M M M
5/17/2015 7:00 AM 0.08 M M M M
5/18/2015 7:00 AM 0.15 M M M M
5/19/2015 7:00 AM 0.71 M M M M
5/20/2015 7:00 AM 0.57 M M M M
5/21/2015 7:00 AM 0.06 M M M M
5/22/2015 11:00 AM 0.26 M M M M
5/24/2015 7:00 AM 0.35 M M M M
5/25/2015 7:00 AM 0.18 M M M M
5/26/2015 7:00 AM 0.10 M M M M
5/27/2015 7:00 AM 0.12 M M M M
5/28/2015 7:00 AM 0.00 0.0 M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
5/30/2015 7:00 AM 0.00 0.0 M M M
5/31/2015 7:00 AM 0.00 0.0 M M M
6/1/2015 7:00 AM 0.00 0.0 M M M
6/2/2015 7:00 AM 0.07 M M M M
6/3/2015 7:00 AM 0.00 0.0 M M M
6/4/2015 7:00 AM 0.00 0.0 M M M
6/5/2015 7:00 AM 0.34 M M M M
6/6/2015 7:00 AM 0.86 M M M M
6/7/2015 7:00 AM 0.05 M M M M
6/8/2015 7:00 AM 0.03 M M M M
6/10/2015 7:00 AM T M M M M
6/11/2015 7:00 AM 0.11 M M M M
6/12/2015 7:00 AM 0.98 M M M M
6/13/2015 7:00 AM 0.37 M M M M
6/14/2015 7:00 AM 0.05 M M M M
6/15/2015 7:00 AM 0.00 0.0 M M M
6/16/2015 7:00 AM 0.02 M M M M
6/17/2015 7:00 AM 0.10 M M M M
6/18/2015 7:00 AM T M M M M
6/19/2015 7:00 AM 0.03 M M M M
6/20/2015 7:00 AM 0.00 0.0 M M M
6/21/2015 7:00 AM 0.00 0.0 M M M
6/23/2015 7:00 AM 0.00 0.0 M M M
6/24/2015 7:00 AM 0.00 0.0 M M M
6/25/2015 7:00 AM 0.04 M M M M
6/26/2015 7:00 AM 0.01 M M M M
6/27/2015 7:00 AM 0.00 0.0 M M M
6/28/2015 7:00 AM 0.00 0.0 M M M
6/29/2015 7:00 AM 0.00 0.0 M M M
6/30/2015 7:00 AM 0.00 0.0 M M M
7/1/2015 7:00 AM 0.03 M M M M
7/2/2015 7:00 AM 0.02 M M M M
7/3/2015 7:00 AM 0.09 M M M M
7/4/2015 7:00 AM 0.00 0.0 M M M
7/5/2015 7:00 AM 0.08 M M M M
7/6/2015 9:30 AM 0.24 M M M M
7/7/2015 8:00 AM 0.41 M M M M
7/8/2015 8:00 AM 0.15 M M M M
7/9/2015 7:00 AM 0.93 M M M M
7/10/2015 7:00 AM 0.05 M M M M
7/11/2015 7:00 AM 0.00 0.0 M M M
7/12/2015 7:00 AM 0.00 0.0 M M M
7/13/2015 7:00 AM 0.00 0.0 M M M
7/14/2015 7:00 AM 0.06 M M M M
7/15/2015 7:00 AM T M M M M
7/16/2015 7:00 AM 0.51 M M M M
7/17/2015 7:00 AM 0.00 0.0 M M M
7/18/2015 7:00 AM T M M M M
7/19/2015 7:00 AM 0.10 M M M M
7/20/2015 7:00 AM 0.00 0.0 M M M
7/21/2015 7:00 AM T M M M M
7/22/2015 7:00 AM 0.10 M M M M
7/23/2015 7:00 AM 0.00 0.0 M M M
7/24/2015 7:00 AM 0.00 0.0 M M M
7/25/2015 7:00 AM 0.00 0.0 M M M
7/26/2015 7:00 AM 0.00 0.0 M M M
7/27/2015 7:00 AM 0.00 0.0 M M M
7/28/2015 7:00 AM 0.00 0.0 M M M
7/29/2015 7:00 AM 0.00 0.0 M M M
7/30/2015 7:00 AM 0.00 0.0 M M M
7/31/2015 7:00 AM 0.00 0.0 M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.00 0.0 M M M
8/4/2015 7:00 AM 0.00 0.0 M M M
8/5/2015 7:00 AM 0.00 0.0 M M M
8/6/2015 7:00 AM 0.00 0.0 M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 0.0 M M M
8/10/2015 7:00 AM 0.00 0.0 M M M
8/11/2015 7:00 AM 0.00 0.0 M M M
8/12/2015 7:00 AM 0.00 0.0 M M M
8/13/2015 7:00 AM T M M M M
8/14/2015 7:00 AM 0.03 M M M M
8/15/2015 7:00 AM 0.00 0.0 M M M
8/16/2015 7:00 AM 0.02 M M M M
8/17/2015 7:00 AM 0.08 M M M M
8/18/2015 7:00 AM 0.00 0.0 M M M
8/19/2015 7:00 AM 0.20 M M M M
8/20/2015 7:00 AM 0.00 0.0 M M M
8/21/2015 7:00 AM 0.00 0.0 M M M
8/22/2015 7:00 AM 0.00 0.0 M M M
8/23/2015 7:00 AM 0.00 0.0 M M M
8/24/2015 7:00 AM 0.00 0.0 M M M
8/25/2015 7:00 AM 0.00 0.0 M M M
8/26/2015 7:00 AM 0.00 0.0 M M M
8/27/2015 7:00 AM 0.00 0.0 M M M
8/28/2015 7:00 AM 0.00 0.0 M M M
8/29/2015 7:00 AM 0.00 0.0 M M M
8/30/2015 7:00 AM 0.00 0.0 M M M
8/31/2015 7:00 AM 0.00 0.0 M M M
9/1/2015 7:00 AM 0.08 M M M M
9/30/2015 7:00 AM 0.04 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