Station Overview Station Location
Station Number CO-BO-538 Latitude 40.05865
Station Name Boulder 3.1 NE Longitude -105.20835
County Boulder Elevation (ft) 5205



Month 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 19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 19 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 20 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 20 0.31 7 0.31 7 0.00 0 0 2 0 0.0 0 0
July 20 0.44 31 0.44 31 0.00 0 0 9 2 0.0 0 0
Aug 20 0.15 30 0.15 30 0.00 0 0 4 4 0.0 0 0
Sept 20 1.09 30 1.09 30 0.00 0 0 5 0 2.1 1 1
Water Year Totals: 1.99" 98 days 1.99" 98 0.00" 0 days 0 20 days 6 days 2.1" 1 days 1 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
10/1/2019
10/2/2019
10/3/2019
10/4/2019
10/5/2019
10/6/2019
10/7/2019
10/8/2019
10/9/2019
10/10/2019
10/11/2019
10/12/2019
10/13/2019
10/14/2019
10/15/2019
10/16/2019
10/17/2019
10/18/2019
10/19/2019
10/20/2019
10/21/2019
10/22/2019
10/23/2019
10/24/2019
10/25/2019
10/26/2019
10/27/2019
10/28/2019
10/29/2019
10/30/2019
10/31/2019
11/1/2019
11/2/2019
11/3/2019
11/4/2019
11/5/2019
11/6/2019
11/7/2019
11/8/2019
11/9/2019
11/10/2019
11/11/2019
11/12/2019
11/13/2019
11/14/2019
11/15/2019
11/16/2019
11/17/2019
11/18/2019
11/19/2019
11/20/2019
11/21/2019
11/22/2019
11/23/2019
11/24/2019
11/25/2019
11/26/2019
11/27/2019
11/28/2019
11/29/2019
11/30/2019
12/1/2019
12/2/2019
12/3/2019
12/4/2019
12/5/2019
12/6/2019
12/7/2019
12/8/2019
12/9/2019
12/10/2019
12/11/2019
12/12/2019
12/13/2019
12/14/2019
12/15/2019
12/16/2019
12/17/2019
12/18/2019
12/19/2019
12/20/2019
12/21/2019
12/22/2019
12/23/2019
12/24/2019
12/25/2019
12/26/2019
12/27/2019
12/28/2019
12/29/2019
12/30/2019
12/31/2019
Day of YearDaily PrcpMultiday Prcp
1/1/2020
1/2/2020
1/3/2020
1/4/2020
1/5/2020
1/6/2020
1/7/2020
1/8/2020
1/9/2020
1/10/2020
1/11/2020
1/12/2020
1/13/2020
1/14/2020
1/15/2020
1/16/2020
1/17/2020
1/18/2020
1/19/2020
1/20/2020
1/21/2020
1/22/2020
1/23/2020
1/24/2020
1/25/2020
1/26/2020
1/27/2020
1/28/2020
1/29/2020
1/30/2020
1/31/2020
2/1/2020
2/2/2020
2/3/2020
2/4/2020
2/5/2020
2/6/2020
2/7/2020
2/8/2020
2/9/2020
2/10/2020
2/11/2020
2/12/2020
2/13/2020
2/14/2020
2/15/2020
2/16/2020
2/17/2020
2/18/2020
2/19/2020
2/20/2020
2/21/2020
2/22/2020
2/23/2020
2/24/2020
2/25/2020
2/26/2020
2/27/2020
2/28/2020
2/29/2020
3/1/2020
3/2/2020
3/3/2020
3/4/2020
3/5/2020
3/6/2020
3/7/2020
3/8/2020
3/9/2020
3/10/2020
3/11/2020
3/12/2020
3/13/2020
3/14/2020
3/15/2020
3/16/2020
3/17/2020
3/18/2020
3/19/2020
3/20/2020
3/21/2020
3/22/2020
3/23/2020
3/24/2020
3/25/2020
3/26/2020
3/27/2020
3/28/2020
3/29/2020
3/30/2020
3/31/2020
Day of YearDaily PrcpMultiday Prcp
4/1/2020
4/2/2020
4/3/2020
4/4/2020
4/5/2020
4/6/2020
4/7/2020
4/8/2020
4/9/2020
4/10/2020
4/11/2020
4/12/2020
4/13/2020
4/14/2020
4/15/2020
4/16/2020
4/17/2020
4/18/2020
4/19/2020
4/20/2020
4/21/2020
4/22/2020
4/23/2020
4/24/2020
4/25/2020
4/26/2020
4/27/2020
4/28/2020
4/29/2020
4/30/2020
5/1/2020
5/2/2020
5/3/2020
5/4/2020
5/5/2020
5/6/2020
5/7/2020
5/8/2020
5/9/2020
5/10/2020
5/11/2020
5/12/2020
5/13/2020
5/14/2020
5/15/2020
5/16/2020
5/17/2020
5/18/2020
5/19/2020
5/20/2020
5/21/2020
5/22/2020
5/23/2020
5/24/2020
5/25/2020
5/26/2020
5/27/2020
5/28/2020
5/29/2020
5/30/2020
5/31/2020
6/1/2020
6/2/2020
6/3/2020
6/4/2020
6/5/2020
6/6/2020
6/7/2020
6/8/2020
6/9/2020
6/10/2020
6/11/2020
6/12/2020
6/13/2020
6/14/2020
6/15/2020
6/16/2020
6/17/2020
6/18/2020
6/19/2020
6/20/2020
6/21/2020
6/22/2020
6/23/2020
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 0.00
6/27/2020 0.27
6/28/2020 0.00
6/29/2020 0.04
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.04
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 T
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.00
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.08
7/15/2020 0.02
7/16/2020 0.00
7/17/2020 0.00
7/18/2020 0.00
7/19/2020 0.01
7/20/2020 0.00
7/21/2020 0.00
7/22/2020 0.00
7/23/2020 0.01
7/24/2020 0.00
7/25/2020 0.14
7/26/2020 0.06
7/27/2020 0.02
7/28/2020 0.00
7/29/2020 0.06
7/30/2020 0.00
7/31/2020 T
8/1/2020 0.02
8/2/2020 T
8/3/2020 0.00
8/4/2020 0.00
8/5/2020 T
8/6/2020 T
8/7/2020 T
8/8/2020 0.00
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.00
8/14/2020 0.00
8/15/2020 0.00
8/16/2020 0.00
8/17/2020 0.00
8/18/2020 0.00
8/19/2020 0.00
8/20/2020
8/21/2020 0.00
8/22/2020 0.00
8/23/2020 0.00
8/24/2020 0.00
8/25/2020 0.00
8/26/2020 0.00
8/27/2020 0.01
8/28/2020 0.07
8/29/2020 0.05
8/30/2020 0.00
8/31/2020 0.00
9/1/2020 0.05
9/2/2020 0.00
9/3/2020 0.00
9/4/2020 0.00
9/5/2020 0.00
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.39
9/9/2020 0.63
9/10/2020 0.01
9/11/2020 0.01
9/12/2020 0.00
9/13/2020 0.00
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.00
9/27/2020 0.00
9/28/2020 0.00
9/29/2020 0.00
9/30/2020 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
6/24/2020 8:00 AM 0.00 0.0 M M M
6/25/2020 8:00 AM 0.00 0.0 M M M
6/26/2020 8:00 AM 0.00 0.0 M M M
6/27/2020 8:00 AM 0.27 M M M M A little lentil-sized hail mixed in with the rain for about 10 minutes at around 3.45 p.m.
6/28/2020 8:00 AM 0.00 0.0 M M M
6/29/2020 8:00 AM 0.04 M M M M
6/30/2020 8:00 AM 0.00 0.0 M M M
7/1/2020 8:00 AM 0.04 M M M M
7/2/2020 8:00 AM 0.00 0.0 M M M
7/3/2020 8:00 AM 0.00 0.0 M M M
7/4/2020 8:00 AM 0.00 0.0 M M M
7/5/2020 8:00 AM 0.00 0.0 M M M
7/6/2020 8:00 AM T M M M M actual reading 0.005 inches
7/7/2020 8:00 AM 0.00 0.0 M M M
7/8/2020 8:00 AM 0.00 0.0 M M M
7/9/2020 8:00 AM 0.00 0.0 M M M
7/10/2020 8:00 AM 0.00 0.0 M M M
7/11/2020 8:00 AM 0.00 0.0 M M M
7/12/2020 8:00 AM 0.00 0.0 M M M
7/13/2020 8:00 AM 0.00 0.0 M M M
7/14/2020 8:00 AM 0.08 M M M M
7/15/2020 8:00 AM 0.02 M M M M
7/16/2020 8:00 AM 0.00 0.0 M M M
7/17/2020 8:00 AM 0.00 0.0 M M M
7/18/2020 8:00 AM 0.00 0.0 M M M
7/19/2020 8:00 AM 0.01 M M M M
7/20/2020 8:00 AM 0.00 0.0 M M M
7/21/2020 8:00 AM 0.00 0.0 M M M
7/22/2020 8:00 AM 0.00 0.0 M M M
7/23/2020 8:00 AM 0.01 M M M M
7/24/2020 8:00 AM 0.00 0.0 M M M
7/25/2020 8:00 AM 0.14 M M M M this rainfall was mostly evening and overnight and quite gentle.
7/26/2020 8:00 AM 0.06 M M M M
7/27/2020 8:00 AM 0.02 M M M M
7/28/2020 8:00 AM 0.00 0.0 M M M
7/29/2020 8:00 AM 0.06 M M M M
7/30/2020 8:00 AM 0.00 0.0 M M M
7/31/2020 8:00 AM T M M M M
8/1/2020 8:00 AM 0.02 M M M M
8/2/2020 8:00 AM T M M M M
8/3/2020 8:00 AM 0.00 0.0 M M M
8/4/2020 8:00 AM 0.00 0.0 M M M
8/5/2020 8:00 AM T M M M M This trace was an accumulation of several smaller traces through the 24hrs
8/6/2020 8:00 AM T M M M M
8/7/2020 8:00 AM T M M M M
8/8/2020 8:00 AM 0.00 0.0 M M M
8/9/2020 8:00 AM 0.00 0.0 M M M
8/10/2020 8:00 AM 0.00 0.0 M M M
8/11/2020 8:00 AM 0.00 0.0 M M M
8/12/2020 8:00 AM 0.00 0.0 M M M
8/13/2020 8:00 AM 0.00 0.0 M M M
8/14/2020 8:00 AM 0.00 0.0 M M M
8/15/2020 8:00 AM 0.00 0.0 M M M
8/16/2020 8:00 AM 0.00 0.0 M M M very small amounts of ash from fires to the west on cars this morning
8/17/2020 8:00 AM 0.00 0.0 M M M
8/18/2020 8:00 AM 0.00 0.0 M M M
8/19/2020 8:00 AM 0.00 0.0 M M M
8/21/2020 8:00 AM 0.00 0.0 M M M Although I have entered 0.00in, there were a few spots of rain but not enough to make road, path or deck surfaces wet.
8/22/2020 8:00 AM 0.00 0.0 M M M
8/23/2020 8:00 AM 0.00 0.0 M M M
8/24/2020 8:00 AM 0.00 0.0 M M M
8/25/2020 8:00 AM 0.00 0.0 M M M
8/26/2020 8:00 AM 0.00 0.0 M M M
8/27/2020 8:00 AM 0.01 M M M M
8/28/2020 8:00 AM 0.07 M M M M
8/29/2020 8:00 AM 0.05 M M M M
8/30/2020 8:00 AM 0.00 0.0 M M M
8/31/2020 8:00 AM 0.00 0.0 M M M
9/1/2020 8:00 AM 0.05 M M M M
9/2/2020 8:00 AM 0.00 0.0 M M M
9/3/2020 8:00 AM 0.00 0.0 M M M
9/4/2020 8:00 AM 0.00 0.0 M M M
9/5/2020 8:00 AM 0.00 0.0 M M M
9/6/2020 8:00 AM 0.00 0.0 M M M
9/7/2020 8:00 AM 0.00 0.0 M M M
9/8/2020 8:00 AM 0.39 M M M M
9/9/2020 8:00 AM 0.63 2.1 0.36 2.0 0.36
9/10/2020 8:00 AM 0.01 M M M M the rain came overnight
9/11/2020 8:00 AM 0.01 M M M M a little overnight drizzle - more than a trace just under 0.01in
9/12/2020 8:00 AM 0.00 0.0 M M M
9/13/2020 8:00 AM 0.00 0.0 M M M
9/14/2020 8:00 AM 0.00 0.0 M M M
9/15/2020 8:00 AM 0.00 0.0 M M M
9/16/2020 8:00 AM 0.00 0.0 M M M
9/17/2020 8:00 AM 0.00 0.0 M M M
9/18/2020 8:00 AM 0.00 0.0 M M M
9/19/2020 8:00 AM 0.00 0.0 M M M
9/20/2020 8:00 AM 0.00 0.0 M M M
9/21/2020 8:00 AM 0.00 0.0 M M M
9/22/2020 8:00 AM 0.00 0.0 M M M
9/23/2020 8:00 AM 0.00 0.0 M M M
9/24/2020 8:00 AM 0.00 0.0 M M M
9/25/2020 8:00 AM 0.00 0.0 M M M
9/26/2020 8:00 AM 0.00 0.0 M M M
9/27/2020 8:00 AM 0.00 0.0 M M M
9/28/2020 8:00 AM 0.00 0.0 M M M
9/29/2020 8:00 AM 0.00 0.0 M M M
9/30/2020 8:00 AM 0.00 0.0 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