Station Overview Station Location
Station Number CO-BO-4 Latitude 39.9941
Station Name Boulder 2.9 S Longitude -105.2573
County Boulder Elevation (ft) 5397



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 1.41 1.04 31 1.04 31 0.00 0 0 7 3 0.0 0 0
Nov 10 1.12 0.51 30 0.51 30 0.00 0 0 7 5 1.7 5 2
Dec 10 0.86 0.49 31 0.49 31 0.00 0 0 5 3 9.8 3 3
Jan 11 0.68 0.86 31 0.86 31 0.00 0 0 5 3 14.9 3 19
Feb 11 0.69 1.11 28 1.11 28 0.00 0 0 8 5 14.7 8 18
March 11 1.92 0.29 31 0.29 31 0.00 0 0 6 4 0.6 3 1
April 11 2.47 2.32 30 2.32 30 0.00 0 0 8 8 3.1 3 2
May 11 2.79 5.05 31 5.05 31 0.00 0 0 12 6 0.1 1 0
June 11 2.31 1.24 30 1.24 30 0.00 0 0 6 3 0.0 0 0
July 11 1.63 2.89 31 2.89 31 0.00 0 0 14 6 0.0 0 0
Aug 11 1.81 1.13 31 1.13 31 0.00 0 0 7 6 0.0 0 0
Sept 11 1.61 2.67 30 2.67 30 0.00 0 0 6 5 0.0 0 0
Water Year Totals: 19.30" 19.60" 365 days 19.60" 365 0.00" 0 days 0 91 days 57 days 44.9" 26 days 45 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 0.02
10/6/2010 0.00
10/7/2010 0.04
10/8/2010 T
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.11
10/12/2010 0.24
10/13/2010 0.35
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 0.04
10/20/2010 0.00
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.24
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 T
10/27/2010 0.00
10/28/2010 0.00
10/29/2010 0.00
10/30/2010 0.00
10/31/2010 0.00
11/1/2010 0.05
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.00
11/5/2010 0.00
11/6/2010 0.00
11/7/2010 0.00
11/8/2010 T
11/9/2010 0.00
11/10/2010 0.25
11/11/2010 0.09
11/12/2010 0.03
11/13/2010 0.00
11/14/2010 T
11/15/2010 T
11/16/2010 0.01
11/17/2010 0.06
11/18/2010 0.00
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.02
11/23/2010 0.00
11/24/2010 0.00
11/25/2010 T
11/26/2010 0.00
11/27/2010 0.00
11/28/2010 0.00
11/29/2010 T
11/30/2010 0.00
12/1/2010 0.00
12/2/2010 0.00
12/3/2010 0.00
12/4/2010 0.00
12/5/2010 0.00
12/6/2010 0.00
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 0.03
12/12/2010 0.00
12/13/2010 0.00
12/14/2010 0.00
12/15/2010 0.00
12/16/2010 0.03
12/17/2010 0.01
12/18/2010 0.02
12/19/2010 T
12/20/2010 T
12/21/2010 T
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 0.00
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.40
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 0.00
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 0.00
1/8/2011 0.00
1/9/2011 0.01
1/10/2011 0.54
1/11/2011 0.00
1/12/2011 0.00
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 T
1/18/2011 0.01
1/19/2011 0.00
1/20/2011 0.28
1/21/2011 0.00
1/22/2011 0.00
1/23/2011 T
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 T
1/27/2011 0.00
1/28/2011 0.00
1/29/2011 0.00
1/30/2011 0.00
1/31/2011 0.02
2/1/2011 0.15
2/2/2011 0.01
2/3/2011 0.00
2/4/2011 0.03
2/5/2011 T
2/6/2011 0.50
2/7/2011 T
2/8/2011 0.24
2/9/2011 0.10
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 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 T
2/21/2011 0.00
2/22/2011 0.00
2/23/2011 0.00
2/24/2011 T
2/25/2011 0.05
2/26/2011 0.03
2/27/2011 0.00
2/28/2011 T
3/1/2011 0.00
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.00
3/7/2011 0.02
3/8/2011 0.01
3/9/2011 T
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 0.00
3/16/2011 0.00
3/17/2011 0.00
3/18/2011 0.03
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.00
3/22/2011 0.02
3/23/2011 T
3/24/2011 0.00
3/25/2011 0.00
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 T
3/29/2011 0.10
3/30/2011 T
3/31/2011 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.00
4/2/2011 0.00
4/3/2011 0.00
4/4/2011 0.26
4/5/2011 0.00
4/6/2011 T
4/7/2011 T
4/8/2011 0.00
4/9/2011 0.00
4/10/2011 0.18
4/11/2011 0.00
4/12/2011 0.00
4/13/2011 0.00
4/14/2011 1.25
4/15/2011 T
4/16/2011 0.00
4/17/2011 0.00
4/18/2011 T
4/19/2011 0.21
4/20/2011 T
4/21/2011 0.15
4/22/2011 0.03
4/23/2011 T
4/24/2011 0.04
4/25/2011 0.20
4/26/2011 T
4/27/2011 T
4/28/2011 0.00
4/29/2011 0.00
4/30/2011 0.00
5/1/2011 T
5/2/2011 T
5/3/2011 T
5/4/2011 0.00
5/5/2011 0.00
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.00
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.67
5/12/2011 0.88
5/13/2011 0.12
5/14/2011 0.00
5/15/2011 0.46
5/16/2011 0.05
5/17/2011 0.00
5/18/2011 0.02
5/19/2011 1.61
5/20/2011 0.52
5/21/2011 0.21
5/22/2011 T
5/23/2011 0.00
5/24/2011 0.23
5/25/2011 0.27
5/26/2011 0.00
5/27/2011 0.00
5/28/2011 0.00
5/29/2011 0.01
5/30/2011 T
5/31/2011 T
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 0.12
6/10/2011 0.06
6/11/2011 0.00
6/12/2011 T
6/13/2011 0.00
6/14/2011 0.00
6/15/2011 0.00
6/16/2011 0.00
6/17/2011 0.00
6/18/2011 T
6/19/2011 T
6/20/2011 0.96
6/21/2011 0.06
6/22/2011 0.00
6/23/2011 0.00
6/24/2011 0.01
6/25/2011 0.00
6/26/2011 0.00
6/27/2011 0.00
6/28/2011 0.00
6/29/2011 0.00
6/30/2011 0.03
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.06
7/2/2011 0.03
7/3/2011 0.00
7/4/2011 T
7/5/2011 0.00
7/6/2011 0.03
7/7/2011 0.04
7/8/2011 1.25
7/9/2011 0.00
7/10/2011 0.85
7/11/2011 0.25
7/12/2011 0.16
7/13/2011 0.12
7/14/2011 0.01
7/15/2011 0.03
7/16/2011 T
7/17/2011 T
7/18/2011 0.00
7/19/2011 0.00
7/20/2011 0.03
7/21/2011 0.01
7/22/2011 0.00
7/23/2011 T
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 T
7/28/2011 0.02
7/29/2011 0.00
7/30/2011 T
7/31/2011 0.00
8/1/2011 0.25
8/2/2011 0.00
8/3/2011 0.05
8/4/2011 0.00
8/5/2011 T
8/6/2011 0.00
8/7/2011 0.00
8/8/2011 0.00
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 T
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.00
8/15/2011 0.03
8/16/2011 0.00
8/17/2011 0.33
8/18/2011 T
8/19/2011 0.00
8/20/2011 0.23
8/21/2011 T
8/22/2011 0.00
8/23/2011 0.04
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.00
8/27/2011 T
8/28/2011 0.00
8/29/2011 0.20
8/30/2011 0.00
8/31/2011 T
9/1/2011 0.00
9/2/2011 0.01
9/3/2011 T
9/4/2011 0.00
9/5/2011 0.00
9/6/2011 0.00
9/7/2011 0.35
9/8/2011 0.67
9/9/2011 0.00
9/10/2011 0.00
9/11/2011 0.00
9/12/2011 0.00
9/13/2011 T
9/14/2011 T
9/15/2011 1.58
9/16/2011 0.02
9/17/2011 T
9/18/2011 T
9/19/2011 0.00
9/20/2011 0.00
9/21/2011 0.00
9/22/2011 0.04
9/23/2011 0.00
9/24/2011 0.00
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 0.0 M
10/2/2010 7:00 AM 0.00 0.0 M 0.0 M
10/3/2010 7:00 AM 0.00 0.0 M 0.0 M
10/4/2010 7:00 AM 0.00 0.0 M 0.0 M
10/5/2010 7:00 AM 0.02 0.0 M 0.0 M
10/6/2010 7:00 AM 0.00 0.0 M 0.0 M
10/7/2010 7:00 AM 0.04 0.0 M 0.0 M 12:30 AM thunder
10/8/2010 7:00 AM T 0.0 M 0.0 M
10/9/2010 7:00 AM 0.00 0.0 M 0.0 M
10/10/2010 7:00 AM 0.00 0.0 M 0.0 M
10/11/2010 7:00 AM 0.11 0.0 M 0.0 M
10/12/2010 7:00 AM 0.24 0.0 M 0.0 M
10/13/2010 7:00 AM 0.35 0.0 M 0.0 M
10/14/2010 7:00 AM 0.00 0.0 M 0.0 M
10/15/2010 7:00 AM 0.00 0.0 M 0.0 M
10/16/2010 7:00 AM 0.00 0.0 M 0.0 M
10/17/2010 7:00 AM 0.00 0.0 M 0.0 M
10/18/2010 7:00 AM T 0.0 M 0.0 M
10/19/2010 7:00 AM 0.04 0.0 M 0.0 M
10/20/2010 7:00 AM 0.00 0.0 M 0.0 M
10/21/2010 7:00 AM 0.00 0.0 M 0.0 M
10/22/2010 7:00 AM 0.00 0.0 M 0.0 M
10/23/2010 7:00 AM 0.24 0.0 M 0.0 M
10/24/2010 7:00 AM 0.00 0.0 M 0.0 M
10/25/2010 7:00 AM 0.00 0.0 M 0.0 M
10/26/2010 7:00 AM T 0.0 M 0.0 M
10/27/2010 7:00 AM 0.00 0.0 M 0.0 M
10/28/2010 7:00 AM 0.00 0.0 M 0.0 M
10/29/2010 7:00 AM 0.00 0.0 M 0.0 M
10/30/2010 7:00 AM 0.00 0.0 M 0.0 M
10/31/2010 7:00 AM 0.00 0.0 M 0.0 M
11/1/2010 7:00 AM 0.05 0.0 M 0.0 M
11/2/2010 7:00 AM 0.00 0.0 M 0.0 M
11/3/2010 7:00 AM 0.00 0.0 M 0.0 M
11/4/2010 7:00 AM 0.00 0.0 M 0.0 M
11/5/2010 7:00 AM 0.00 0.0 M 0.0 M
11/6/2010 7:00 AM 0.00 0.0 M 0.0 M
11/7/2010 7:00 AM 0.00 0.0 M 0.0 M
11/8/2010 7:00 AM T 0.0 M 0.0 M
11/9/2010 7:00 AM 0.00 0.0 M 0.0 M
11/10/2010 7:00 AM 0.25 0.3 M T M
11/11/2010 6:45 AM 0.09 0.7 M 0.7 M
11/12/2010 7:00 AM 0.03 0.3 M 0.5 M
11/13/2010 7:00 AM 0.00 0.0 M 0.0 M
11/14/2010 7:00 AM T T M T M
11/15/2010 6:45 AM T T M T M
11/16/2010 7:00 AM 0.01 0.1 M 0.0 M
11/17/2010 7:00 AM 0.06 0.0 M 0.0 M
11/18/2010 7:00 AM 0.00 0.0 M 0.0 M
11/19/2010 7:00 AM 0.00 0.0 M 0.0 M
11/20/2010 7:00 AM 0.00 0.0 M 0.0 M
11/21/2010 7:00 AM 0.00 0.0 M 0.0 M
11/22/2010 7:00 AM 0.02 0.3 M T M
11/23/2010 7:00 AM 0.00 0.0 M 0.0 M
11/24/2010 7:00 AM 0.00 0.0 M 0.0 M
11/25/2010 7:00 AM T T M 0.0 M
11/26/2010 7:00 AM 0.00 0.0 M 0.0 M
11/27/2010 7:00 AM 0.00 0.0 M 0.0 M
11/28/2010 7:00 AM 0.00 0.0 M 0.0 M
11/29/2010 7:00 AM T T M T M
11/30/2010 7:00 AM 0.00 0.0 M 0.0 M
12/1/2010 7:00 AM 0.00 0.0 M 0.0 M
12/2/2010 7:00 AM 0.00 0.0 M 0.0 M
12/3/2010 7:00 AM 0.00 0.0 M 0.0 M
12/4/2010 7:00 AM 0.00 0.0 M 0.0 M
12/5/2010 7:00 AM 0.00 0.0 M 0.0 M
12/6/2010 7:00 AM 0.00 0.0 M 0.0 M
12/7/2010 7:00 AM 0.00 0.0 M 0.0 M
12/8/2010 7:00 AM 0.00 0.0 M 0.0 M
12/9/2010 7:00 AM 0.00 0.0 M 0.0 M
12/10/2010 7:00 AM 0.00 0.0 M 0.0 M
12/11/2010 7:00 AM 0.03 0.0 M 0.0 M
12/12/2010 7:00 AM 0.00 0.0 M 0.0 M
12/13/2010 7:00 AM 0.00 0.0 M 0.0 M
12/14/2010 7:00 AM 0.00 0.0 M 0.0 M
12/15/2010 7:00 AM 0.00 0.0 M 0.0 M
12/16/2010 7:00 AM 0.03 0.0 M 0.0 M
12/17/2010 7:00 AM 0.01 0.5 M 0.5 M
12/18/2010 7:00 AM 0.02 0.5 M 1.0 M
12/19/2010 7:00 AM T T M T M
12/20/2010 7:00 AM T 0.0 M T M
12/21/2010 7:00 AM T 0.0 M 0.0 M
12/22/2010 7:00 AM 0.00 0.0 M 0.0 M
12/23/2010 7:00 AM 0.00 0.0 M 0.0 M
12/24/2010 7:00 AM 0.00 0.0 M 0.0 M
12/25/2010 7:00 AM 0.00 0.0 M 0.0 M
12/26/2010 7:00 AM 0.00 0.0 M 0.0 M
12/27/2010 7:00 AM 0.00 0.0 M 0.0 M
12/28/2010 7:00 AM 0.00 0.0 M 0.0 M
12/29/2010 7:00 AM 0.00 0.0 M 0.0 M
12/30/2010 7:00 AM 0.00 0.0 M 0.0 M
12/31/2010 7:00 AM 0.40 8.8 M 7.0 M 8.2 by 10PM
1/1/2011 7:00 AM 0.00 0.0 M 5.0 M
1/2/2011 7:00 AM 0.00 0.0 M 5.0 M
1/3/2011 7:00 AM 0.00 0.0 M 4.0 M
1/4/2011 7:00 AM 0.00 0.0 M 4.0 M
1/5/2011 7:00 AM 0.00 0.0 M 3.0 M
1/6/2011 7:00 AM 0.00 0.0 M 2.0 M
1/7/2011 7:00 AM 0.00 0.0 M 1.0 M
1/8/2011 7:00 AM 0.00 0.0 M T M
1/9/2011 7:00 AM 0.01 0.1 M T M
1/10/2011 7:00 AM 0.54 9.8 M 9.5 0.55
1/11/2011 7:00 AM 0.00 0.0 M 8.0 M
1/12/2011 7:00 AM 0.00 0.0 M 7.0 M
1/13/2011 7:00 AM 0.00 0.0 M 6.0 M
1/14/2011 7:00 AM 0.00 0.0 M 3.0 M
1/15/2011 7:00 AM 0.00 0.0 M 2.0 M
1/16/2011 7:00 AM 0.00 0.0 M 1.0 M
1/17/2011 7:00 AM T 0.0 M 1.0 M
1/18/2011 7:00 AM 0.01 0.0 M T M
1/19/2011 7:00 AM 0.00 0.0 M T M
1/20/2011 7:00 AM 0.28 5.0 M 4.0 M
1/21/2011 7:00 AM 0.00 0.0 M 2.0 M
1/22/2011 7:00 AM 0.00 0.0 M 1.0 M
1/23/2011 7:00 AM T T M 1.0 M
1/24/2011 7:00 AM 0.00 0.0 M T M
1/25/2011 7:00 AM 0.00 0.0 M T M
1/26/2011 7:00 AM T T M T M
1/27/2011 7:00 AM 0.00 0.0 M T M
1/28/2011 7:00 AM 0.00 0.0 M T M
1/29/2011 7:00 AM 0.00 0.0 M T M
1/30/2011 7:00 AM 0.00 0.0 M T M
1/31/2011 7:00 AM 0.02 T M T M thin glaze of ice from freezing drizzle
2/1/2011 6:45 AM 0.15 2.3 M 2.0 M
2/2/2011 7:00 AM 0.01 0.2 M 2.0 M
2/3/2011 7:00 AM 0.00 0.0 M 2.0 M
2/4/2011 7:00 AM 0.03 0.4 M 1.0 M
2/5/2011 7:00 AM T T M 1.0 M
2/6/2011 7:00 AM 0.50 6.2 M 6.0 M
2/7/2011 7:00 AM T T M 5.0 M
2/8/2011 7:00 AM 0.24 3.2 M 7.0 M
2/9/2011 7:00 AM 0.10 1.1 M 7.0 M
2/10/2011 7:00 AM 0.00 0.0 M 7.0 M
2/11/2011 7:00 AM 0.00 0.0 M 6.0 M
2/12/2011 7:00 AM 0.00 0.0 M 5.0 M
2/13/2011 7:00 AM 0.00 0.0 M 4.0 M
2/14/2011 7:00 AM 0.00 0.0 M 1.0 M
2/15/2011 7:00 AM 0.00 0.0 M 2.0 M
2/16/2011 7:00 AM 0.00 0.0 M 1.0 M
2/17/2011 7:00 AM 0.00 0.0 M T M
2/18/2011 7:00 AM 0.00 0.0 M T M
2/19/2011 7:00 AM 0.00 0.0 M 0.0 M
2/20/2011 7:00 AM T 0.0 M 0.0 M
2/21/2011 7:00 AM 0.00 0.0 M 0.0 M
2/22/2011 7:00 AM 0.00 0.0 M 0.0 M
2/23/2011 7:00 AM 0.00 0.0 M 0.0 M
2/24/2011 7:00 AM T T M T M
2/25/2011 7:00 AM 0.05 0.9 M 0.9 M
2/26/2011 7:00 AM 0.03 0.4 M 1.0 M
2/27/2011 7:00 AM 0.00 0.0 M 0.0 M
2/28/2011 7:00 AM T T M 0.0 M
3/1/2011 7:00 AM 0.00 0.0 M 0.0 M
3/2/2011 7:00 AM 0.00 0.0 M 0.0 M
3/3/2011 7:00 AM 0.00 0.0 M 0.0 M
3/4/2011 7:00 AM 0.00 0.0 M 0.0 M
3/5/2011 7:00 AM 0.00 0.0 M 0.0 M
3/6/2011 7:00 AM 0.00 0.0 M 0.0 M
3/7/2011 7:00 AM 0.02 T M T M thin glaze ice layer from freezing drizzle
3/8/2011 7:00 AM 0.01 0.1 M T M
3/9/2011 7:00 AM T T M 0.0 M
3/10/2011 7:00 AM 0.00 0.0 M 0.0 M
3/11/2011 7:00 AM 0.00 0.0 M 0.0 M
3/12/2011 7:00 AM 0.00 0.0 M 0.0 M
3/13/2011 7:00 AM 0.11 0.0 M 0.0 M
3/14/2011 7:00 AM 0.00 0.0 M 0.0 M
3/15/2011 7:00 AM 0.00 0.0 M 0.0 M
3/16/2011 7:00 AM 0.00 0.0 M 0.0 M
3/17/2011 7:00 AM 0.00 0.0 M 0.0 M
3/18/2011 7:00 AM 0.03 0.1 M T M
3/19/2011 7:00 AM 0.00 0.0 M 0.0 M
3/20/2011 7:00 AM 0.00 0.0 M 0.0 M
3/21/2011 7:00 AM 0.00 0.0 M 0.0 0.00
3/22/2011 7:00 AM 0.02 0.0 M 0.0 M
3/23/2011 7:00 AM T T M 0.0 M
3/24/2011 7:00 AM 0.00 0.0 M M M
3/25/2011 7:00 AM 0.00 0.0 M M M
3/26/2011 7:00 AM 0.00 0.0 M M M
3/27/2011 7:00 AM 0.00 0.0 M M M
3/28/2011 7:00 AM T T M 0.0 M
3/29/2011 7:00 AM 0.10 0.4 M 0.4 M
3/30/2011 7:00 AM T T M T M
3/31/2011 7:00 AM 0.00 0.0 M M M
4/1/2011 7:00 AM 0.00 0.0 M M M
4/2/2011 7:00 AM 0.00 0.0 M M M
4/3/2011 7:00 AM 0.00 0.0 M M M
4/4/2011 7:00 AM 0.26 0.5 M 0.5 M first thunder on Sunday
4/5/2011 7:00 AM 0.00 0.0 M 0.0 M
4/6/2011 7:00 AM T 0.0 M 0.0 M
4/7/2011 7:00 AM T 0.0 M 0.0 M
4/8/2011 7:00 AM 0.00 0.0 M 0.0 M
4/9/2011 7:00 AM 0.00 0.0 M M M
4/10/2011 7:00 AM 0.18 0.1 M T M 1/8 inch hail with thunder at 2 :30 AM
4/11/2011 7:00 AM 0.00 0.0 M 0.0 M
4/12/2011 7:00 AM 0.00 0.0 M 0.0 M
4/13/2011 7:00 AM 0.00 0.0 M 0.0 M
4/14/2011 7:00 AM 1.25 2.5 M 2.5 M thunder at 11:45 PM
4/15/2011 7:00 AM T T M 0.0 M
4/16/2011 7:00 AM 0.00 0.0 M 0.0 M
4/17/2011 7:00 AM 0.00 0.0 M 0.0 M
4/18/2011 7:00 AM T 0.0 M 0.0 M
4/19/2011 7:00 AM 0.21 0.0 M 0.0 M
4/20/2011 7:00 AM T 0.0 M 0.0 M
4/21/2011 7:00 AM 0.15 0.0 M 0.0 M
4/22/2011 7:00 AM 0.03 0.0 M 0.0 M strong winds (72 mph at NCAR ML) during shower at 8PM. Lightning observed, but no thunder.
4/23/2011 7:00 AM T T M T M
4/24/2011 7:00 AM 0.04 T M 0.0 M
4/25/2011 7:00 AM 0.20 0.0 M 0.0 M
4/26/2011 7:00 AM T 0.0 M 0.0 M lightning observed 9PM, no thunder
4/27/2011 7:00 AM T T M 0.0 M lightning at 9:40 PM, no thunder
4/28/2011 7:00 AM 0.00 0.0 M 0.0 M
4/29/2011 7:00 AM 0.00 0.0 M 0.0 M
4/30/2011 7:00 AM 0.00 0.0 M M M
5/1/2011 7:00 AM T T M 0.0 M
5/2/2011 7:00 AM T T M 0.0 M
5/3/2011 7:00 AM T T M 0.0 M
5/4/2011 7:00 AM 0.00 0.0 M 0.0 M
5/5/2011 7:00 AM 0.00 0.0 M 0.0 M
5/6/2011 7:00 AM 0.00 0.0 M M M
5/7/2011 7:00 AM 0.00 0.0 M 0.0 M
5/8/2011 7:00 AM 0.00 0.0 M 0.0 M
5/9/2011 7:00 AM 0.00 0.0 M 0.0 M
5/10/2011 7:00 AM 0.00 0.0 M 0.0 M
5/11/2011 6:45 AM 0.67 0.1 M T M
5/12/2011 7:00 AM 0.88 T M 0.0 M
5/13/2011 7:00 AM 0.12 0.0 M 0.0 M
5/14/2011 7:00 AM 0.00 0.0 M 0.0 M
5/15/2011 7:00 AM 0.46 0.0 M 0.0 M
5/16/2011 7:00 AM 0.05 0.0 M 0.0 0.00
5/17/2011 7:00 AM 0.00 0.0 M 0.0 M
5/18/2011 7:00 AM 0.02 0.0 M 0.0 M
5/19/2011 7:00 AM 1.61 0.0 M 0.0 M
5/20/2011 7:00 AM 0.52 0.0 M 0.0 M
5/21/2011 7:00 AM 0.21 0.0 M 0.0 M
5/22/2011 7:00 AM T 0.0 M 0.0 M
5/23/2011 7:00 AM 0.00 0.0 M 0.0 M
5/24/2011 7:00 AM 0.23 0.0 M 0.0 M
5/25/2011 7:00 AM 0.27 0.0 M 0.0 M
5/26/2011 7:00 AM 0.00 0.0 M M M
5/27/2011 7:00 AM 0.00 0.0 M 0.0 M
5/28/2011 7:00 AM 0.00 0.0 M 0.0 M
5/29/2011 7:00 AM 0.01 0.0 M 0.0 M
5/30/2011 7:00 AM T 0.0 M 0.0 M
5/31/2011 7:00 AM T 0.0 M 0.0 M
6/1/2011 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
6/5/2011 7:00 AM 0.00 0.0 M 0.0 M
6/6/2011 7:00 AM 0.00 0.0 M 0.0 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 0.0 M
6/9/2011 7:00 AM 0.12 0.0 M 0.0 M
6/10/2011 7:00 AM 0.06 0.0 M 0.0 M
6/11/2011 7:00 AM 0.00 0.0 M 0.0 M
6/12/2011 7:00 AM T 0.0 M 0.0 M
6/13/2011 7:00 AM 0.00 0.0 M 0.0 M
6/14/2011 7:00 AM 0.00 0.0 M 0.0 M
6/15/2011 7:00 AM 0.00 0.0 M 0.0 M
6/16/2011 7:00 AM 0.00 0.0 M 0.0 M
6/17/2011 7:00 AM 0.00 0.0 M 0.0 M
6/18/2011 7:00 AM T 0.0 M 0.0 M
6/19/2011 7:00 AM T 0.0 M 0.0 M
6/20/2011 7:00 AM 0.96 0.0 M 0.0 M
6/21/2011 7:00 AM 0.06 0.0 M 0.0 M
6/22/2011 7:00 AM 0.00 0.0 M 0.0 M
6/23/2011 7:00 AM 0.00 0.0 M 0.0 M
6/24/2011 7:00 AM 0.01 0.0 M 0.0 M
6/25/2011 7:00 AM 0.00 0.0 M 0.0 M
6/26/2011 7:00 AM 0.00 0.0 M 0.0 M
6/27/2011 7:00 AM 0.00 0.0 M 0.0 M
6/28/2011 7:00 AM 0.00 0.0 M 0.0 M
6/29/2011 7:00 AM 0.00 0.0 M M M
6/30/2011 7:00 AM 0.03 0.0 M 0.0 M
7/1/2011 7:00 AM 0.06 0.0 M 0.0 M
7/2/2011 7:00 AM 0.03 0.0 M 0.0 M
7/3/2011 7:00 AM 0.00 0.0 M M M
7/4/2011 7:00 AM T 0.0 M 0.0 M
7/5/2011 7:00 AM 0.00 0.0 M 0.0 M
7/6/2011 7:00 AM 0.03 0.0 M 0.0 M
7/7/2011 7:00 AM 0.04 0.0 M 0.0 M
7/8/2011 7:00 AM 1.25 0.0 M 0.0 M significant flooding at 6PM along 30th street from Pearl to Baseline
7/9/2011 7:00 AM 0.00 0.0 M 0.0 M
7/10/2011 7:00 AM 0.85 0.0 M 0.0 M
7/11/2011 7:00 AM 0.25 0.0 M 0.0 M
7/12/2011 7:00 AM 0.16 0.0 M 0.0 M
7/13/2011 7:00 AM 0.12 0.0 M 0.0 M
7/14/2011 7:00 AM 0.01 0.0 M 0.0 M
7/15/2011 7:00 AM 0.03 0.0 M 0.0 M
7/16/2011 7:00 AM T 0.0 M 0.0 M
7/17/2011 7:00 AM T 0.0 M 0.0 M
7/18/2011 7:00 AM 0.00 0.0 M 0.0 M
7/19/2011 7:00 AM 0.00 0.0 M 0.0 M
7/20/2011 7:00 AM 0.03 0.0 M 0.0 M
7/21/2011 7:00 AM 0.01 0.0 M 0.0 M
7/22/2011 7:00 AM 0.00 0.0 M 0.0 M
7/23/2011 7:00 AM T 0.0 M 0.0 M yes, it did sprinkle as 7:20 PM as a mowed the lawn.
7/24/2011 7:00 AM 0.00 0.0 M M M
7/25/2011 7:00 AM 0.00 0.0 M 0.0 M
7/26/2011 7:00 AM 0.00 0.0 M 0.0 M
7/27/2011 7:00 AM T 0.0 M 0.0 M
7/28/2011 7:00 AM 0.02 0.0 M 0.0 M
7/29/2011 7:00 AM 0.00 0.0 M 0.0 M
7/30/2011 7:00 AM T 0.0 M M M
7/31/2011 7:00 AM 0.00 0.0 M M M
8/1/2011 7:00 AM 0.25 0.0 M 0.0 M
8/2/2011 7:00 AM 0.00 0.0 M 0.0 M
8/3/2011 7:00 AM 0.05 0.0 M 0.0 M
8/4/2011 7:00 AM 0.00 0.0 M 0.0 M
8/5/2011 7:00 AM T 0.0 M 0.0 M
8/6/2011 7:00 AM 0.00 0.0 M 0.0 M
8/7/2011 7:00 AM 0.00 0.0 M 0.0 M
8/8/2011 7:00 AM 0.00 0.0 M 0.0 M
8/9/2011 7:00 AM 0.00 0.0 M 0.0 M
8/10/2011 7:00 AM 0.00 0.0 M 0.0 M
8/11/2011 7:00 AM T 0.0 M 0.0 M
8/12/2011 7:00 AM 0.00 0.0 M 0.0 M
8/13/2011 7:00 AM 0.00 0.0 M 0.0 M
8/14/2011 7:00 AM 0.00 0.0 M 0.0 M
8/15/2011 7:00 AM 0.03 0.0 M 0.0 M
8/16/2011 7:00 AM 0.00 0.0 M 0.0 M
8/17/2011 7:00 AM 0.33 0.0 M 0.0 M 1/4 inch hail
8/18/2011 7:00 AM T 0.0 M 0.0 M
8/19/2011 7:00 AM 0.00 0.0 M 0.0 M
8/20/2011 7:00 AM 0.23 0.0 M 0.0 M
8/21/2011 7:00 AM T 0.0 M 0.0 M
8/22/2011 7:00 AM 0.00 0.0 M 0.0 M
8/23/2011 7:00 AM 0.04 0.0 M 0.0 M
8/24/2011 7:00 AM 0.00 0.0 M 0.0 M
8/25/2011 7:00 AM 0.00 0.0 M 0.0 M
8/26/2011 7:00 AM 0.00 0.0 M 0.0 M
8/27/2011 7:00 AM T 0.0 M 0.0 M
8/28/2011 7:00 AM 0.00 0.0 M 0.0 M
8/29/2011 7:00 AM 0.20 0.0 M 0.0 M
8/30/2011 7:00 AM 0.00 0.0 M 0.0 M
8/31/2011 7:00 AM T 0.0 M 0.0 M
9/1/2011 7:00 AM 0.00 0.0 M 0.0 M
9/2/2011 7:00 AM 0.01 0.0 M 0.0 M
9/3/2011 7:00 AM T 0.0 M 0.0 M
9/4/2011 7:00 AM 0.00 0.0 M 0.0 M
9/5/2011 7:00 AM 0.00 0.0 M 0.0 M
9/6/2011 7:00 AM 0.00 0.0 M 0.0 M
9/7/2011 7:00 AM 0.35 0.0 M 0.0 M
9/8/2011 7:00 AM 0.67 0.0 M 0.0 M
9/9/2011 7:00 AM 0.00 0.0 M M M
9/10/2011 7:00 AM 0.00 0.0 M 0.0 M
9/11/2011 7:00 AM 0.00 0.0 M 0.0 M
9/12/2011 7:00 AM 0.00 0.0 M 0.0 M
9/13/2011 7:00 AM T 0.0 M 0.0 M
9/14/2011 7:00 AM T 0.0 M 0.0 M
9/15/2011 7:00 AM 1.58 0.0 M 0.0 M
9/16/2011 7:00 AM 0.02 0.0 M 0.0 M
9/17/2011 7:00 AM T 0.0 M 0.0 M
9/18/2011 7:00 AM T 0.0 M 0.0 M
9/19/2011 7:00 AM 0.00 0.0 M 0.0 M
9/20/2011 7:00 AM 0.00 0.0 M 0.0 M
9/21/2011 7:00 AM 0.00 0.0 M 0.0 M
9/22/2011 7:00 AM 0.04 0.0 M 0.0 M
9/23/2011 7:00 AM 0.00 0.0 M 0.0 M
9/24/2011 7:00 AM 0.00 0.0 M 0.0 M
9/25/2011 7:00 AM 0.00 0.0 M 0.0 M
9/26/2011 7:00 AM 0.00 0.0 M 0.0 M
9/27/2011 7:00 AM 0.00 0.0 M 0.0 M
9/28/2011 7:00 AM 0.00 0.0 M 0.0 M
9/29/2011 7:00 AM 0.00 0.0 M 0.0 M
9/30/2011 7:00 AM 0.00 0.0 M 0.0 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
4/10/2011 1:45 AM 1/4" Pea Size Rice Rice Hard|Clear Ice|White Ice 45 10min no damage Intermittent False Before rain Before smaller hail
1/1/0001 12:00 AM NA NA NA False
5/20/2011 3:29 PM Still some light rain and hail, but a heavy burst of mostly 1/4-ich hail with rain 3:32-3:37 whitened parking lots at the UCAR CG campus. 1/4" Pea Size 1/4" Pea Size Rice Mixed|White Ice 11 1min minor leaf damage Continuous False After rain Same time as smaller hail