Station Overview Station Location
Station Number CO-BO-478 Latitude 40.046759
Station Name Boulder 2.6 WNW Longitude -105.291749
County Boulder Elevation (ft) 5591



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 1.46 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 16 1.17 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 16 0.86 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 17 0.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 17 0.79 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 17 1.91 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 17 2.51 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 17 3.03 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 17 2.87 0.17 2 0.17 2 0.00 0 0 2 0 0.0 0 0
July 17 1.67 1.14 8 1.07 6 0.07 2 1 5 1 0.0 0 0
Aug 17 1.90 1.52 16 1.42 9 0.10 7 2 9 0 0.0 0 0
Sept 17 1.51 2.01 11 0.79 6 1.22 5 1 6 0 0.0 0 0
Water Year Totals: 20.40" 4.84" 37 days 3.45" 23 1.39" 14 days 4 22 days 1 days 0.0" 0 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
10/2/2016
10/3/2016
10/4/2016
10/5/2016
10/6/2016
10/7/2016
10/8/2016
10/9/2016
10/10/2016
10/11/2016
10/12/2016
10/13/2016
10/14/2016
10/15/2016
10/16/2016
10/17/2016
10/18/2016
10/19/2016
10/20/2016
10/21/2016
10/22/2016
10/23/2016
10/24/2016
10/25/2016
10/26/2016
10/27/2016
10/28/2016
10/29/2016
10/30/2016
10/31/2016
11/1/2016
11/2/2016
11/3/2016
11/4/2016
11/5/2016
11/6/2016
11/7/2016
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
11/18/2016
11/19/2016
11/20/2016
11/21/2016
11/22/2016
11/23/2016
11/24/2016
11/25/2016
11/26/2016
11/27/2016
11/28/2016
11/29/2016
11/30/2016
12/1/2016
12/2/2016
12/3/2016
12/4/2016
12/5/2016
12/6/2016
12/7/2016
12/8/2016
12/9/2016
12/10/2016
12/11/2016
12/12/2016
12/13/2016
12/14/2016
12/15/2016
12/16/2016
12/17/2016
12/18/2016
12/19/2016
12/20/2016
12/21/2016
12/22/2016
12/23/2016
12/24/2016
12/25/2016
12/26/2016
12/27/2016
12/28/2016
12/29/2016
12/30/2016
12/31/2016
Day of YearDaily PrcpMultiday Prcp
1/1/2017
1/2/2017
1/3/2017
1/4/2017
1/5/2017
1/6/2017
1/7/2017
1/8/2017
1/9/2017
1/10/2017
1/11/2017
1/12/2017
1/13/2017
1/14/2017
1/15/2017
1/16/2017
1/17/2017
1/18/2017
1/19/2017
1/20/2017
1/21/2017
1/22/2017
1/23/2017
1/24/2017
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
2/4/2017
2/5/2017
2/6/2017
2/7/2017
2/8/2017
2/9/2017
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
3/7/2017
3/8/2017
3/9/2017
3/10/2017
3/11/2017
3/12/2017
3/13/2017
3/14/2017
3/15/2017
3/16/2017
3/17/2017
3/18/2017
3/19/2017
3/20/2017
3/21/2017
3/22/2017
3/23/2017
3/24/2017
3/25/2017
3/26/2017
3/27/2017
3/28/2017
3/29/2017
3/30/2017
3/31/2017
Day of YearDaily PrcpMultiday Prcp
4/1/2017
4/2/2017
4/3/2017
4/4/2017
4/5/2017
4/6/2017
4/7/2017
4/8/2017
4/9/2017
4/10/2017
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
4/21/2017
4/22/2017
4/23/2017
4/24/2017
4/25/2017
4/26/2017
4/27/2017
4/28/2017
4/29/2017
4/30/2017
5/1/2017
5/2/2017
5/3/2017
5/4/2017
5/5/2017
5/6/2017
5/7/2017
5/8/2017
5/9/2017
5/10/2017
5/11/2017
5/12/2017
5/13/2017
5/14/2017
5/15/2017
5/16/2017
5/17/2017
5/18/2017
5/19/2017
5/20/2017
5/21/2017
5/22/2017
5/23/2017
5/24/2017
5/25/2017
5/26/2017
5/27/2017
5/28/2017
5/29/2017
5/30/2017
5/31/2017
6/1/2017
6/2/2017
6/3/2017
6/4/2017
6/5/2017
6/6/2017
6/7/2017
6/8/2017
6/9/2017
6/10/2017
6/11/2017
6/12/2017
6/13/2017
6/14/2017
6/15/2017
6/16/2017
6/17/2017
6/18/2017
6/19/2017
6/20/2017
6/21/2017
6/22/2017
6/23/2017 0.12
6/24/2017
6/25/2017
6/26/2017
6/27/2017
6/28/2017
6/29/2017
6/30/2017 0.05
Day of YearDaily PrcpMultiday Prcp
7/1/2017
7/2/2017
7/3/2017
7/4/2017
7/5/2017
7/6/2017
7/7/2017
7/8/2017 T
7/9/2017
7/10/2017
7/11/2017
7/12/2017 **
7/13/2017 0.07
7/14/2017
7/15/2017
7/16/2017
7/17/2017
7/18/2017 0.08
7/19/2017
7/20/2017
7/21/2017
7/22/2017 0.06
7/23/2017
7/24/2017
7/25/2017
7/26/2017 0.07
7/27/2017 0.82
7/28/2017
7/29/2017 0.04
7/30/2017
7/31/2017
8/1/2017
8/2/2017 **
8/3/2017 0.02
8/4/2017 0.02
8/5/2017
8/6/2017 0.26
8/7/2017 0.28
8/8/2017 0.51
8/9/2017 0.04
8/10/2017 0.03
8/11/2017 0.19
8/12/2017
8/13/2017
8/14/2017
8/15/2017
8/16/2017 0.03
8/17/2017 **
8/18/2017 **
8/19/2017 **
8/20/2017 **
8/21/2017 0.08
8/22/2017
8/23/2017
8/24/2017
8/25/2017 0.06
8/26/2017
8/27/2017
8/28/2017
8/29/2017
8/30/2017
8/31/2017
9/1/2017
9/2/2017
9/3/2017
9/4/2017
9/5/2017
9/6/2017
9/7/2017
9/8/2017
9/9/2017
9/10/2017
9/11/2017
9/12/2017
9/13/2017
9/14/2017 0.06
9/15/2017
9/16/2017 0.06
9/17/2017 0.02
9/18/2017
9/19/2017
9/20/2017
9/21/2017 **
9/22/2017 **
9/23/2017 **
9/24/2017 **
9/25/2017 1.22
9/26/2017
9/27/2017 0.02
9/28/2017 0.48
9/29/2017 0.15
9/30/2017



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/23/2017 7:00 AM 0.12 M M M M
6/30/2017 8:00 AM 0.05 M M M M
7/8/2017 7:00 AM T M M M M
7/18/2017 2:30 PM 0.08 M M M M
7/22/2017 8:00 AM 0.06 M M M M
7/26/2017 6:30 AM 0.07 M M M M
7/27/2017 7:30 AM 0.82 M M M M
7/29/2017 10:00 AM 0.04 M M M M
8/4/2017 2:00 PM 0.02 M M M M
8/6/2017 8:00 AM 0.26 M M M M
8/7/2017 1:00 PM 0.28 M M M M
8/8/2017 11:00 AM 0.51 M M M M
8/9/2017 11:00 AM 0.04 M M M M
8/10/2017 11:00 AM 0.03 M M M M
8/11/2017 11:00 AM 0.19 M M M M
8/16/2017 9:00 AM 0.03 M M M M
8/25/2017 9:00 AM 0.06 M M M M
9/14/2017 8:00 AM 0.06 M M M M
9/16/2017 7:30 AM 0.06 M M M M
9/17/2017 7:00 AM 0.02 M M M M
9/27/2017 9:00 AM 0.02 M M M M
9/28/2017 9:00 AM 0.48 M M M M
9/29/2017 11:00 AM 0.15 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
7/12/2017 7/13/2017 11:30 AM 2 0.07 M M was out of town from Tuesday afternoon July 11 to Thursday July 13 AM. As a result I am not sure when the rain occurred during this time period.
8/2/2017 8/03/2017 2:00 PM 2 0.02 M M Was out of town from August 1st 11am to August 3rd at 2pm. When returned rain gauge measured.02 inch. Not sure when rain fell during this time.
8/17/2017 8/21/2017 8:00 AM 5 0.08 M M Was out of town from evening (6PM) of August 16 to August 21 AM. Not sure when the precipitation occurred during this time period. When checked rain gauge it registered at .08 of an inch.
9/21/2017 9/25/2017 7:30 PM 5 1.22 M M Was out of town from September 21 am to September 25 pm. Not sure when the precipitation occurred during this time period.



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