Station Overview Station Location
Station Number DC-DC-14 Latitude 38.958091
Station Name Washington 5.1 NW Longitude -77.08173
County District Of Columbia Elevation (ft) 349



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 19 3.66 11.02 31 11.02 31 0.00 0 0 9 0 0.0 0 0
Nov 19 3.44 3.84 29 3.84 29 0.00 0 0 9 0 0.0 0 0
Dec 19 3.28 5.63 31 5.63 31 0.00 0 0 13 0 0.0 0 0
Jan 20 3.04 3.92 31 3.92 31 0.00 0 0 12 1 0.0 0 0
Feb 20 2.86 3.51 29 3.51 29 0.00 0 0 17 1 0.0 0 0
March 20 3.82 2.27 31 2.27 31 0.00 0 0 15 1 0.0 0 0
April 20 3.47 4.68 30 4.68 30 0.00 0 0 18 0 0.0 0 0
May 20 4.34 5.47 30 5.47 30 0.00 0 0 13 0 0.0 0 0
June 20 4.02 8.78 30 8.78 30 0.00 0 0 12 0 0.0 0 0
July 20 4.10 7.91 31 7.91 31 0.00 0 0 9 0 0.0 0 0
Aug 20 3.39 12.67 31 12.67 31 0.00 0 0 18 1 0.0 0 0
Sept 20 4.00 7.87 29 7.87 29 0.00 0 0 13 1 0.0 0 0
Water Year Totals: 43.42" 77.57" 363 days 77.57" 363 0.00" 0 days 0 158 days 5 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
10/1/2019 0.00
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.00
10/8/2019 0.03
10/9/2019 0.07
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 2.67
10/17/2019 0.00
10/18/2019 0.00
10/19/2019 0.00
10/20/2019 0.26
10/21/2019 3.89
10/22/2019 0.00
10/23/2019 0.91
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 0.00
10/27/2019 1.08
10/28/2019 1.22
10/29/2019 0.00
10/30/2019 0.00
10/31/2019 0.89
11/1/2019 1.61
11/2/2019 0.00
11/3/2019 0.02
11/4/2019 0.00
11/5/2019 0.00
11/6/2019 0.00
11/7/2019 0.00
11/8/2019 0.00
11/9/2019 0.00
11/10/2019 M
11/11/2019 0.00
11/12/2019 0.14
11/13/2019 0.02
11/14/2019 0.00
11/15/2019 0.00
11/16/2019 0.00
11/17/2019 0.00
11/18/2019 0.00
11/19/2019 0.45
11/20/2019 0.00
11/21/2019 0.00
11/22/2019 0.00
11/23/2019 0.11
11/24/2019 1.45
11/25/2019 0.02
11/26/2019 0.00
11/27/2019 0.02
11/28/2019 0.00
11/29/2019 0.00
11/30/2019 0.00
12/1/2019 0.09
12/2/2019 0.88
12/3/2019 0.08
12/4/2019 0.00
12/5/2019 0.00
12/6/2019 0.02
12/7/2019 0.00
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 0.65
12/11/2019 0.43
12/12/2019 0.01
12/13/2019 0.00
12/14/2019 0.74
12/15/2019 0.18
12/16/2019 0.00
12/17/2019 1.01
12/18/2019 0.03
12/19/2019 0.00
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.00
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 0.00
12/29/2019 0.00
12/30/2019 1.12
12/31/2019 0.39
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 0.28
1/4/2020 0.20
1/5/2020 0.36
1/6/2020 0.01
1/7/2020 0.00
1/8/2020 0.70
1/9/2020 0.00
1/10/2020 0.00
1/11/2020 0.00
1/12/2020 0.28
1/13/2020 0.00
1/14/2020 0.01
1/15/2020 0.04
1/16/2020 0.01
1/17/2020 0.00
1/18/2020 T
1/19/2020 0.33
1/20/2020 0.00
1/21/2020 0.00
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 1.68
1/26/2020 0.02
1/27/2020 0.00
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.00
2/2/2020 0.12
2/3/2020 0.02
2/4/2020 0.02
2/5/2020 0.03
2/6/2020 0.11
2/7/2020 1.25
2/8/2020 0.16
2/9/2020 0.00
2/10/2020 0.12
2/11/2020 0.64
2/12/2020 0.11
2/13/2020 0.16
2/14/2020 0.12
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 0.02
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 0.05
2/26/2020 0.20
2/27/2020 0.37
2/28/2020 0.01
2/29/2020 T
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.10
3/4/2020 0.03
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.00
3/8/2020 0.00
3/9/2020 0.00
3/10/2020 0.00
3/11/2020 0.04
3/12/2020 0.00
3/13/2020 0.18
3/14/2020 0.00
3/15/2020 0.00
3/16/2020 0.03
3/17/2020 0.00
3/18/2020 0.00
3/19/2020 0.44
3/20/2020 0.02
3/21/2020 0.06
3/22/2020 0.00
3/23/2020 0.23
3/24/2020 0.18
3/25/2020 0.07
3/26/2020 0.47
3/27/2020 0.01
3/28/2020 0.32
3/29/2020 0.09
3/30/2020 T
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.18
4/2/2020 0.01
4/3/2020 0.00
4/4/2020 0.00
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 0.00
4/8/2020 0.30
4/9/2020 0.11
4/10/2020 0.12
4/11/2020 0.00
4/12/2020 0.00
4/13/2020 1.58
4/14/2020 0.17
4/15/2020 0.47
4/16/2020 0.01
4/17/2020 0.00
4/18/2020 0.09
4/19/2020 0.07
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.02
4/23/2020 0.00
4/24/2020 0.92
4/25/2020 0.05
4/26/2020 0.46
4/27/2020 0.09
4/28/2020 0.01
4/29/2020 0.02
4/30/2020 0.00
5/1/2020 1.91
5/2/2020 0.11
5/3/2020 0.00
5/4/2020 1.30
5/5/2020 0.02
5/6/2020 0.44
5/7/2020 0.56
5/8/2020 0.01
5/9/2020 0.19
5/10/2020 0.00
5/11/2020 0.02
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.00
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 0.00
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.10
5/23/2020 0.67
5/24/2020 0.00
5/25/2020
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.05
5/29/2020 0.09
5/30/2020 0.00
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 0.00
6/3/2020 0.00
6/4/2020 0.00
6/5/2020 3.22
6/6/2020 1.43
6/7/2020 0.11
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.34
6/12/2020 0.68
6/13/2020 0.01
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.72
6/19/2020 0.02
6/20/2020 0.19
6/21/2020 0.86
6/22/2020 0.00
6/23/2020 0.00
6/24/2020 0.00
6/25/2020 0.00
6/26/2020 1.18
6/27/2020 0.00
6/28/2020 0.02
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.00
7/2/2020 0.00
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 1.27
7/7/2020 0.99
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 0.00
7/11/2020 0.08
7/12/2020 0.00
7/13/2020 0.00
7/14/2020 0.02
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 0.03
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.00
7/22/2020 0.82
7/23/2020 2.59
7/24/2020 1.02
7/25/2020 0.00
7/26/2020 0.00
7/27/2020 0.00
7/28/2020 0.00
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 1.09
8/1/2020 0.07
8/2/2020 0.00
8/3/2020 0.00
8/4/2020 4.82
8/5/2020 0.20
8/6/2020 0.95
8/7/2020 0.00
8/8/2020 0.61
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.05
8/12/2020 0.50
8/13/2020 0.96
8/14/2020 0.63
8/15/2020 0.04
8/16/2020 1.79
8/17/2020 0.11
8/18/2020 0.29
8/19/2020 0.29
8/20/2020 0.00
8/21/2020 0.00
8/22/2020 0.03
8/23/2020 T
8/24/2020 0.00
8/25/2020 0.05
8/26/2020 0.00
8/27/2020 0.00
8/28/2020 0.00
8/29/2020 1.13
8/30/2020 0.15
8/31/2020 0.00
9/1/2020 0.60
9/2/2020 0.09
9/3/2020 0.13
9/4/2020 1.29
9/5/2020 0.02
9/6/2020 0.00
9/7/2020 0.00
9/8/2020 0.00
9/9/2020 0.00
9/10/2020 0.44
9/11/2020 3.50
9/12/2020 0.06
9/13/2020 T
9/14/2020 0.00
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.35
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 0.72
9/27/2020 0.12
9/28/2020
9/29/2020 0.02
9/30/2020 0.53



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 8:00 AM 0.00 0.0 M M M
10/2/2019 8:00 AM 0.00 0.0 M M M
10/3/2019 8:00 AM 0.00 0.0 M M M
10/4/2019 8:00 AM 0.00 0.0 M M M
10/5/2019 8:00 AM 0.00 0.0 M M M
10/6/2019 8:00 AM 0.00 0.0 M M M
10/7/2019 8:00 AM 0.00 0.0 M M M
10/8/2019 7:30 AM 0.03 M M M M
10/9/2019 7:45 AM 0.07 M M M M
10/10/2019 8:00 AM 0.00 0.0 M M M
10/11/2019 8:00 AM 0.00 0.0 M M M
10/12/2019 8:00 AM 0.00 0.0 M M M
10/13/2019 8:00 AM 0.00 0.0 M M M
10/14/2019 8:00 AM 0.00 0.0 M M M
10/15/2019 8:00 AM 0.00 0.0 M M M
10/16/2019 5:45 PM 2.67 M M M M Major downpour ends of weeks of drought.
10/17/2019 8:00 AM 0.00 0.0 M M M
10/18/2019 8:00 AM 0.00 0.0 M M M
10/19/2019 8:00 AM 0.00 0.0 M M M
10/20/2019 7:30 AM 0.26 M M M M Rain started sometime after midnight; still drizzling down now.
10/21/2019 8:00 AM 3.89 M M M M rain fairly continous during all of 20 Oct 2019
10/22/2019 8:00 AM 0.00 0.0 M M M
10/23/2019 9:45 AM 0.91 M M M M
10/24/2019 8:00 AM 0.00 0.0 M M M
10/25/2019 8:00 AM 0.00 0.0 M M M
10/26/2019 8:00 AM 0.00 0.0 M M M
10/27/2019 8:30 AM 1.08 M M M M
10/28/2019 7:45 AM 1.22 M M M M Rainfall since yesterday's posting; ended c. noon on 27 Oct
10/29/2019 8:00 AM 0.00 0.0 M M M
10/30/2019 8:00 AM 0.00 0.0 M M M
10/31/2019 7:15 AM 0.89 M M M M
11/1/2019 10:00 AM 1.61 M M M M
11/2/2019 8:00 AM 0.00 0.0 M M M
11/3/2019 7:00 AM 0.02 M M M M
11/4/2019 8:00 AM 0.00 0.0 M M M
11/5/2019 8:00 AM 0.00 0.0 M M M
11/6/2019 8:00 AM 0.00 0.0 M M M
11/7/2019 8:00 AM 0.00 0.0 M M M
11/8/2019 8:00 AM 0.00 0.0 M M M
11/9/2019 8:00 AM 0.00 0.0 M M M
11/10/2019 8:30 AM M M M M M {EDIT: Observer reported 0.14 for new precip. Surrounding reports of 0.00's indicate this could be a date error or a multi-day report. Changed report of 0.14 to NA until observer can be contacted to verify. Submission Time Before EDIT: 11/10/2019 8:58 AM CoCoSTAFF DNT}
11/11/2019 8:00 AM 0.00 0.0 M M M
11/12/2019 6:45 AM 0.14 M M M M
11/13/2019 8:00 AM 0.02 M M M M frozen rain, left over from yesterday
11/14/2019 8:00 AM 0.00 0.0 M M M
11/15/2019 8:00 AM 0.00 0.0 M M M
11/16/2019 8:00 AM 0.00 0.0 M M M
11/17/2019 8:00 AM 0.00 0.0 M M M
11/18/2019 8:00 AM 0.00 0.0 M M M
11/19/2019 7:00 AM 0.45 M M M M
11/20/2019 8:00 AM 0.00 0.0 M M M
11/21/2019 8:00 AM 0.00 0.0 M M M
11/22/2019 8:00 AM 0.00 0.0 M M M
11/23/2019 8:15 AM 0.11 M M M M
11/24/2019 8:15 AM 1.45 M M M M
11/25/2019 8:30 AM 0.02 M M M M
11/26/2019 8:00 AM 0.00 0.0 M M M
11/27/2019 8:00 AM 0.02 M M M M
11/28/2019 8:00 AM 0.00 0.0 M M M
11/29/2019 8:00 AM 0.00 0.0 M M M
11/30/2019 8:00 AM 0.00 0.0 M M M
12/1/2019 8:45 AM 0.09 M M M M
12/2/2019 8:00 AM 0.88 M M M M
12/3/2019 7:15 AM 0.08 M M M M
12/4/2019 8:00 AM 0.00 0.0 M M M
12/5/2019 8:00 AM 0.00 0.0 M M M
12/6/2019 7:30 AM 0.02 M M M M
12/7/2019 8:00 AM 0.00 0.0 M M M
12/8/2019 8:00 AM 0.00 0.0 M M M
12/9/2019 8:00 AM 0.00 0.0 M M M
12/10/2019 8:00 AM 0.65 M M M M
12/11/2019 8:00 AM 0.43 M M M M
12/12/2019 7:30 AM 0.01 M M M M
12/13/2019 8:00 AM 0.00 0.0 M M M
12/14/2019 7:45 AM 0.74 M M M M
12/15/2019 8:00 AM 0.18 M M M M
12/16/2019 8:00 AM 0.00 0.0 M M M
12/17/2019 8:30 AM 1.01 M M M M
12/18/2019 8:00 AM 0.03 M M M M
12/19/2019 8:00 AM 0.00 0.0 M M M
12/20/2019 8:00 AM 0.00 0.0 M M M
12/21/2019 8:00 AM 0.00 0.0 M M M
12/22/2019 8:00 AM 0.00 0.0 M M M
12/23/2019 8:00 AM 0.00 0.0 M M M
12/24/2019 8:00 AM 0.00 0.0 M M M
12/25/2019 8:00 AM 0.00 0.0 M M M
12/26/2019 8:00 AM 0.00 0.0 M M M
12/27/2019 8:00 AM 0.00 0.0 M M M
12/28/2019 8:00 AM 0.00 0.0 M M M
12/29/2019 8:00 AM 0.00 0.0 M M M
12/30/2019 7:30 AM 1.12 M M M M
12/31/2019 8:15 AM 0.39 M M M M
1/1/2020 8:00 AM 0.00 0.0 M M M
1/2/2020 8:00 AM 0.00 0.0 M M M
1/3/2020 7:30 AM 0.28 M M M M
1/4/2020 7:45 AM 0.20 M M M M
1/5/2020 6:45 AM 0.36 M M M M
1/6/2020 6:00 AM 0.01 M M M M
1/7/2020 8:00 AM 0.00 0.0 M M M
1/8/2020 7:30 AM 0.70 M M M M mixture of rain & melted snow/ice
1/9/2020 8:00 AM 0.00 0.0 M M M
1/10/2020 8:00 AM 0.00 0.0 M M M
1/11/2020 8:00 AM 0.00 0.0 M M M
1/12/2020 8:00 AM 0.28 M M M M
1/13/2020 8:00 AM 0.00 0.0 M M M
1/14/2020 7:45 AM 0.01 M M M M
1/15/2020 7:30 AM 0.04 M M M M
1/16/2020 7:30 AM 0.01 M M M M
1/17/2020 8:00 AM 0.00 0.0 M M M
1/18/2020 11:00 AM T M M M M melted snow
1/19/2020 8:00 AM 0.33 M M M M
1/20/2020 8:00 AM 0.00 0.0 M M M
1/21/2020 8:00 AM 0.00 0.0 M M M
1/22/2020 8:00 AM 0.00 0.0 M M M
1/23/2020 8:00 AM 0.00 0.0 M M M
1/24/2020 8:00 AM 0.00 0.0 M M M
1/25/2020 8:00 AM 1.68 M M M M
1/26/2020 7:30 AM 0.02 M M M M left over from later yesterday morning
1/27/2020 8:00 AM 0.00 0.0 M M M
1/28/2020 8:00 AM 0.00 0.0 M M M
1/29/2020 8:00 AM 0.00 0.0 M M M
1/30/2020 8:00 AM 0.00 0.0 M M M
1/31/2020 8:00 AM 0.00 0.0 M M M
2/1/2020 8:00 AM 0.00 0.0 M M M
2/2/2020 8:30 AM 0.12 M M M M
2/3/2020 8:30 AM 0.02 M M M M
2/4/2020 8:00 AM 0.02 M M M M
2/5/2020 8:30 AM 0.03 M M M M
2/6/2020 7:00 AM 0.11 M M M M
2/7/2020 8:45 AM 1.25 M M M M
2/8/2020 3:45 PM 0.16 M M M M left over from late yesterday morning
2/9/2020 8:00 AM 0.00 0.0 M M M
2/10/2020 8:30 AM 0.12 M M M M
2/11/2020 7:00 AM 0.64 M M M M
2/12/2020 9:00 AM 0.11 M M M M
2/13/2020 7:15 AM 0.16 M M M M
2/14/2020 8:45 AM 0.12 M M M M
2/15/2020 8:00 AM 0.00 0.0 M M M
2/16/2020 8:00 AM 0.00 0.0 M M M
2/17/2020 8:00 AM 0.00 0.0 M M M
2/18/2020 8:00 AM 0.00 0.0 M M M
2/19/2020 9:00 AM 0.02 M M M M
2/20/2020 8:00 AM 0.00 0.0 M M M
2/21/2020 8:00 AM 0.00 0.0 M M M
2/22/2020 8:00 AM 0.00 0.0 M M M
2/23/2020 8:00 AM 0.00 0.0 M M M
2/24/2020 8:00 AM 0.00 0.0 M M M
2/25/2020 6:30 AM 0.05 M M M M rain still coming down...
2/26/2020 8:30 AM 0.20 M M M M
2/27/2020 7:00 AM 0.37 M M M M
2/28/2020 8:00 AM 0.01 M M M M
2/29/2020 10:00 AM T M M M M
3/1/2020 8:00 AM 0.00 0.0 M M M
3/2/2020 8:00 AM 0.00 0.0 M M M
3/3/2020 6:30 AM 0.10 M M M M No new rainfall after 23:00 last night
3/4/2020 8:30 AM 0.03 M M M M
3/5/2020 8:00 AM 0.00 0.0 M M M
3/6/2020 8:00 AM 0.00 0.0 M M M
3/7/2020 8:00 AM 0.00 0.0 M M M
3/8/2020 8:00 AM 0.00 0.0 M M M
3/9/2020 8:00 AM 0.00 0.0 M M M
3/10/2020 8:00 AM 0.00 0.0 M M M
3/11/2020 8:00 AM 0.04 M M M M
3/12/2020 8:00 AM 0.00 0.0 M M M
3/13/2020 8:00 AM 0.18 M M M M
3/14/2020 8:00 AM 0.00 0.0 M M M
3/15/2020 8:00 AM 0.00 0.0 M M M
3/16/2020 7:30 AM 0.03 M M M M
3/17/2020 8:00 AM 0.00 0.0 M M M
3/18/2020 8:00 AM 0.00 0.0 M M M
3/19/2020 7:30 AM 0.44 M M M M
3/20/2020 7:30 AM 0.02 M M M M
3/21/2020 7:15 AM 0.06 M M M M
3/22/2020 8:00 AM 0.00 0.0 M M M
3/23/2020 8:30 AM 0.23 M M M M steady drizzle still on-going
3/24/2020 8:00 AM 0.18 M M M M
3/25/2020 7:15 AM 0.07 M M M M Light steady rain continuing...
3/26/2020 7:45 AM 0.47 M M M M
3/27/2020 7:15 AM 0.01 M M M M
3/28/2020 7:15 AM 0.32 M M M M
3/29/2020 7:30 AM 0.09 M M M M
3/30/2020 7:30 AM T M M M M
3/31/2020 8:00 AM 0.00 0.0 M M M
4/1/2020 7:30 AM 0.18 M M M M
4/2/2020 6:30 AM 0.01 M M M M
4/3/2020 8:00 AM 0.00 0.0 M M M
4/4/2020 8:00 AM 0.00 0.0 M M M
4/5/2020 8:00 AM 0.00 0.0 M M M
4/6/2020 8:00 AM 0.00 0.0 M M M
4/7/2020 8:00 AM 0.00 0.0 M M M
4/8/2020 7:00 AM 0.30 M M M M
4/9/2020 8:00 AM 0.11 M M M M
4/10/2020 7:00 AM 0.12 M M M M
4/11/2020 8:00 AM 0.00 0.0 M M M
4/12/2020 8:00 AM 0.00 0.0 M M M
4/13/2020 10:00 AM 1.58 M M M M measured at the end of a long rainstorm extending overnight into early-mid morning
4/14/2020 7:00 AM 0.17 M M M M all 0.17" fell in early afternoon of 13 Apr, in 2nd wave of storms that swept through the DC area
4/15/2020 8:00 AM 0.47 M M M M overnight rainfall, finished by the time I woke up
4/16/2020 7:00 AM 0.01 M M M M
4/17/2020 8:00 AM 0.00 0.0 M M M
4/18/2020 8:30 AM 0.09 M M M M measured during a long lull in the early morning rain; started up again about an hour later, which'll get included in tomorrow's report.
4/19/2020 7:30 AM 0.07 M M M M
4/20/2020 8:00 AM 0.00 0.0 M M M
4/21/2020 8:00 AM 0.00 0.0 M M M
4/22/2020 7:00 AM 0.02 M M M M Fell between 12:00 and 14:00 on Tue 21 Apr
4/23/2020 8:00 AM 0.00 0.0 M M M
4/24/2020 7:30 AM 0.92 M M M M Steady light rain since early afternoon Thu 23 Apr; still continuing now
4/25/2020 6:30 AM 0.05 M M M M Mainly a continuation from yesterday (24 Apr) morning
4/26/2020 1:30 PM 0.46 M M M M
4/27/2020 6:45 AM 0.09 M M M M
4/28/2020 6:15 AM 0.01 M M M M tail end of yesterday's (27 Apr) early morning rain
4/29/2020 7:30 AM 0.02 M M M M
4/30/2020 8:00 AM 0.00 0.0 M M M
5/1/2020 8:00 AM 1.91 M M M M From 09:00 to c. 18:30 yesterday (30 Apr), light-but-steady rain
5/2/2020 8:15 AM 0.11 M M M M Rain fell entirely during the late morning of 01 May
5/3/2020 8:00 AM 0.00 0.0 M M M
5/4/2020 8:00 AM 1.30 M M M M c. 0.02 late yesterday (03 May) morning; the rest during an overnight T-storm
5/5/2020 7:15 AM 0.02 M M M M
5/6/2020 6:00 AM 0.44 M M M M
5/7/2020 7:30 AM 0.56 M M M M
5/8/2020 7:30 AM 0.01 M M M M
5/9/2020 7:45 AM 0.19 M M M M
5/10/2020 8:00 AM 0.00 0.0 M M M
5/11/2020 7:00 AM 0.02 M M M M
5/12/2020 8:00 AM 0.00 0.0 M M M
5/13/2020 8:00 AM 0.00 0.0 M M M
5/14/2020 8:00 AM 0.00 0.0 M M M
5/15/2020 8:00 AM 0.00 0.0 M M M
5/16/2020 8:00 AM 0.00 0.0 M M M
5/17/2020 8:00 AM 0.00 0.0 M M M
5/18/2020 8:00 AM 0.00 0.0 M M M
5/19/2020 8:00 AM 0.00 0.0 M M M
5/20/2020 8:00 AM 0.00 0.0 M M M
5/21/2020 8:00 AM 0.00 0.0 M M M
5/22/2020 7:15 AM 0.10 M M M M Rain started a bit earlier in the morning; continuing as a took this reading.
5/23/2020 6:30 AM 0.67 M M M M 0.47" as continuation of morning rain of 22 May, until c. 14:30, then sunny the rest of the day; final 0.20" fell overnight, 22-23 May.
5/24/2020 8:00 AM 0.00 0.0 M M M
5/26/2020 8:00 AM 0.00 0.0 M M M
5/27/2020 8:00 AM 0.00 0.0 M M M
5/28/2020 6:00 AM 0.05 M M M M
5/29/2020 6:45 AM 0.09 M M M M
5/30/2020 8:00 AM 0.00 0.0 M M M
5/31/2020 8:00 AM 0.00 0.0 M M M
6/1/2020 8:00 AM 0.00 0.0 M M M
6/2/2020 8:00 AM 0.00 0.0 M M M
6/3/2020 8:00 AM 0.00 0.0 M M M
6/4/2020 8:00 AM 0.00 0.0 M M M
6/5/2020 8:00 AM 3.22 M M M M Trace from c. 09:00 on 04 June; all the rest fell overnight, 04-05 June
6/6/2020 6:00 AM 1.43 M M M M
6/7/2020 8:00 AM 0.11 M M M M
6/8/2020 8:00 AM 0.00 0.0 M M M
6/9/2020 8:00 AM 0.00 0.0 M M M
6/10/2020 8:00 AM 0.00 0.0 M M M
6/11/2020 7:15 AM 0.34 M M M M
6/12/2020 6:15 AM 0.68 M M M M From mid-morning on 11 June
6/13/2020 6:30 AM 0.01 M M M M
6/14/2020 8:00 AM 0.00 0.0 M M M
6/15/2020 8:00 AM 0.00 0.0 M M M
6/16/2020 8:00 AM 0.00 0.0 M M M
6/17/2020 8:00 AM 0.00 0.0 M M M
6/18/2020 6:15 AM 0.72 M M M M
6/19/2020 7:30 AM 0.02 M M M M
6/20/2020 7:30 AM 0.19 M M M M
6/21/2020 8:15 AM 0.86 M M M M
6/22/2020 8:00 AM 0.00 0.0 M M M
6/23/2020 8:00 AM 0.00 0.0 M M M
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 7:30 AM 1.18 M M M M
6/27/2020 8:00 AM 0.00 0.0 M M M
6/28/2020 6:00 AM 0.02 M M M M All from two quick squalls late in the afternoon of Sat 27 June.
6/29/2020 8:00 AM 0.00 0.0 M M M
6/30/2020 8:00 AM 0.00 0.0 M M M
7/1/2020 8:00 AM 0.00 0.0 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 PM 1.27 M M M M Major T-storm started c. 17:40
7/7/2020 7:00 AM 0.99 M M M M Major T-storm c. 02:00.
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 0.08 M 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 0.02 M M M M
7/15/2020 8:00 AM 0.00 0.0 M M M
7/16/2020 8:00 AM 0.00 0.0 M M M
7/17/2020 7:00 AM 0.03 M M M M
7/18/2020 8:00 AM 0.00 0.0 M M M
7/19/2020 8:00 AM 0.00 0.0 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 6:00 AM 0.82 M M M M Quick thundercloudburst on 21 July, c.21:30
7/23/2020 6:00 AM 2.59 M M M M Major storm on 22 July starting c. 15:30; light drizzle for hours thereafter.
7/24/2020 8:00 AM 1.02 M M M M
7/25/2020 8:00 AM 0.00 0.0 M M M
7/26/2020 8:00 AM 0.00 0.0 M M M
7/27/2020 8:00 AM 0.00 0.0 M M M
7/28/2020 8:00 AM 0.00 0.0 M M M
7/29/2020 8:00 AM 0.00 0.0 M M M
7/30/2020 8:00 AM 0.00 0.0 M M M
7/31/2020 11:00 AM 1.09 M M M M
8/1/2020 6:15 AM 0.07 M M M M
8/2/2020 8:00 AM 0.00 0.0 M M M
8/3/2020 8:00 AM 0.00 0.0 M M M
8/4/2020 11:00 AM 4.82 M M M M Isaías began dumping rain on the DC area c. 16:00 on 03 Aug, continuing until late morning on 04 Aug
8/5/2020 6:45 AM 0.20 M M M M
8/6/2020 6:45 AM 0.95 M M M M
8/7/2020 8:00 AM 0.00 0.0 M M M
8/8/2020 7:00 AM 0.61 M 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 6:30 AM 0.05 M M M M
8/12/2020 9:30 AM 0.50 M M M M
8/13/2020 8:00 AM 0.96 M M M M measured in the midst of a ongoing steady drizzle
8/14/2020 7:00 AM 0.63 M M M M
8/15/2020 7:00 AM 0.04 M M M M
8/16/2020 7:30 AM 1.79 M M M M
8/17/2020 6:30 AM 0.11 M M M M
8/18/2020 7:30 AM 0.29 M M M M
8/19/2020 11:00 AM 0.29 M M M M
8/20/2020 8:00 AM 0.00 0.0 M M M
8/21/2020 8:00 AM 0.00 0.0 M M M
8/22/2020 8:00 AM 0.03 M M M M
8/23/2020 7:30 AM T M M M M
8/24/2020 8:00 AM 0.00 0.0 M M M
8/25/2020 7:00 AM 0.05 M M M M
8/26/2020 8:00 AM 0.00 0.0 M M M
8/27/2020 8:00 AM 0.00 0.0 M M M
8/28/2020 8:00 AM 0.00 0.0 M M M
8/29/2020 6:30 AM 1.13 M M M M
8/30/2020 8:00 AM 0.15 M M M M
8/31/2020 8:00 AM 0.00 0.0 M M M
9/1/2020 7:15 AM 0.60 M M M M
9/2/2020 7:15 AM 0.09 M M M M
9/3/2020 6:45 AM 0.13 M M M M
9/4/2020 8:00 AM 1.29 M M M M heavy downpour on 03 Sep, c. 17:00-18:00; drizzle thereafter for a few hours
9/5/2020 8:00 AM 0.02 M 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 0.00 0.0 M M M
9/9/2020 8:00 AM 0.00 0.0 M M M
9/10/2020 6:45 AM 0.44 M M M M
9/11/2020 7:30 AM 3.50 M M M M Between c. 08:00 and 17:00 on 10 Sep, 3.49" fell; final 0.01" fell overnight
9/12/2020 12:15 PM 0.06 M M M M Fell between c. 07:30 and 11:30 this morning.
9/13/2020 8:00 AM T M 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 7:00 AM 0.35 M M M M Fell during the evening of 17 Sep, as remnants of Hurricane Sally
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 7:30 AM 0.72 M M M M
9/27/2020 7:00 AM 0.12 M M M M
9/29/2020 7:00 AM 0.02 M M M M
9/30/2020 7:00 AM 0.53 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