Station Overview Station Location
Station Number MD-AA-27 Latitude 39.13732
Station Name Severn 1.7 E Longitude -76.65905
County Anne Arundel Elevation (ft) 151



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 12 3.61 7.53 31 7.19 23 0.34 8 1 10 0 0.0 0 0
Nov 12 3.40 0.86 30 0.86 28 0.00 2 0 6 0 0.0 0 0
Dec 12 3.43 3.01 28 2.32 10 0.69 18 3 4 0 0.0 0 0
Jan 13 3.17 2.82 14 2.56 5 0.26 9 2 4 0 2.7 1 2
Feb 13 2.91 1.35 28 0.13 2 1.22 26 2 2 0 0.7 1 1
March 13 3.92 2.46 31 2.13 26 0.33 5 1 6 0 3.1 2 2
April 13 3.38 2.31 30 2.31 30 0.00 0 0 9 0 0.0 0 0
May 13 4.23 4.57 29 3.14 16 1.43 13 2 9 0 0.0 0 0
June 13 3.56 7.50 26 5.65 22 1.85 4 1 8 1 0.0 0 0
July 13 4.08 2.56 25 0.72 4 1.84 21 2 3 0 0.0 0 0
Aug 13 3.37 1.55 27 0.44 1 1.11 26 2 1 0 0.0 0 0
Sept 13 3.99 2.09 11 2.09 11 0.00 0 0 2 0 0.0 0 0
Water Year Totals: 43.05" 38.61" 310 days 29.54" 178 9.07" 132 days 16 64 days 1 days 6.5" 4 days 5 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
10/1/2012 0.11
10/2/2012 0.03
10/3/2012 0.38
10/4/2012 0.03
10/5/2012 **
10/6/2012 **
10/7/2012 **
10/8/2012 **
10/9/2012 **
10/10/2012 **
10/11/2012 **
10/12/2012 0.34
10/13/2012 0.00
10/14/2012 0.00
10/15/2012 0.00
10/16/2012 0.51
10/17/2012 0.00
10/18/2012 0.00
10/19/2012 0.10
10/20/2012 0.15
10/21/2012 0.00
10/22/2012 0.00
10/23/2012 0.00
10/24/2012 0.00
10/25/2012 0.00
10/26/2012 0.00
10/27/2012 0.00
10/28/2012 0.00
10/29/2012 1.09
10/30/2012 4.57
10/31/2012 0.22
11/1/2012 0.00
11/2/2012 0.02
11/3/2012 0.00
11/4/2012 0.00
11/5/2012 0.00
11/6/2012 0.00
11/7/2012 0.00
11/8/2012 0.13
11/9/2012 0.00
11/10/2012 0.00
11/11/2012 0.00
11/12/2012 0.00
11/13/2012 0.32
11/14/2012 0.19
11/15/2012 0.00
11/16/2012 0.00
11/17/2012 0.00
11/18/2012 0.00
11/19/2012 0.00
11/20/2012 0.00
11/21/2012 0.00
11/22/2012 0.00
11/23/2012 0.00
11/24/2012 0.00
11/25/2012 0.00
11/26/2012 0.00
11/27/2012 0.04
11/28/2012 0.16
11/29/2012 **
11/30/2012 **
12/1/2012 **
12/2/2012 **
12/3/2012 **
12/4/2012 **
12/5/2012 **
12/6/2012 **
12/7/2012 0.02
12/8/2012 **
12/9/2012 **
12/10/2012 0.36
12/11/2012 **
12/12/2012 **
12/13/2012 **
12/14/2012 **
12/15/2012 **
12/16/2012 **
12/17/2012 **
12/18/2012 0.31
12/19/2012 0.01
12/20/2012 0.00
12/21/2012 0.91
12/22/2012 0.00
12/23/2012 0.00
12/24/2012 0.00
12/25/2012 0.14
12/26/2012 0.00
12/27/2012 1.26
12/28/2012
12/29/2012 0.00
12/30/2012
12/31/2012
Day of YearDaily PrcpMultiday Prcp
1/1/2013
1/2/2013
1/3/2013
1/4/2013
1/5/2013
1/6/2013
1/7/2013
1/8/2013
1/9/2013
1/10/2013
1/11/2013 **
1/12/2013 **
1/13/2013 0.09
1/14/2013
1/15/2013 0.35
1/16/2013 0.88
1/17/2013
1/18/2013
1/19/2013
1/20/2013
1/21/2013
1/22/2013
1/23/2013
1/24/2013 0.13
1/25/2013 0.00 **
1/26/2013 **
1/27/2013 **
1/28/2013 **
1/29/2013 **
1/30/2013 0.17
1/31/2013 1.20
2/1/2013 0.01
2/2/2013 **
2/3/2013 **
2/4/2013 **
2/5/2013 **
2/6/2013 **
2/7/2013 **
2/8/2013 0.12 **
2/9/2013 **
2/10/2013 **
2/11/2013 **
2/12/2013 0.45
2/13/2013 **
2/14/2013 **
2/15/2013 **
2/16/2013 **
2/17/2013 **
2/18/2013 **
2/19/2013 **
2/20/2013 **
2/21/2013 **
2/22/2013 **
2/23/2013 **
2/24/2013 **
2/25/2013 **
2/26/2013 **
2/27/2013 0.77
2/28/2013
3/1/2013 0.00
3/2/2013 0.00
3/3/2013 0.00
3/4/2013 0.00
3/5/2013 0.00
3/6/2013 0.36
3/7/2013 0.42
3/8/2013 0.00
3/9/2013 0.00
3/10/2013 0.00
3/11/2013 0.00
3/12/2013 0.11
3/13/2013 0.49
3/14/2013 0.00
3/15/2013 0.00
3/16/2013 0.00
3/17/2013 0.00
3/18/2013 0.00
3/19/2013 0.38
3/20/2013 0.00
3/21/2013 0.00
3/22/2013 0.00
3/23/2013 0.00
3/24/2013 0.00
3/25/2013 0.37
3/26/2013 **
3/27/2013 **
3/28/2013 **
3/29/2013 **
3/30/2013 0.33
3/31/2013 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2013 0.03
4/2/2013 0.00
4/3/2013 0.00
4/4/2013 0.00
4/5/2013 0.21
4/6/2013 0.00
4/7/2013 0.00
4/8/2013 0.00
4/9/2013 0.00
4/10/2013 0.00
4/11/2013 0.00
4/12/2013 0.21
4/13/2013 0.00
4/14/2013 0.00
4/15/2013 0.40
4/16/2013 0.01
4/17/2013 0.00
4/18/2013 0.00
4/19/2013 0.05
4/20/2013 0.94
4/21/2013 0.00
4/22/2013 0.00
4/23/2013 0.00
4/24/2013 0.00
4/25/2013 0.00
4/26/2013 0.00
4/27/2013 0.00
4/28/2013 0.00
4/29/2013 0.09
4/30/2013 0.37
5/1/2013 0.14
5/2/2013 0.00
5/3/2013 0.00
5/4/2013 0.00
5/5/2013 0.00
5/6/2013 0.00
5/7/2013 0.07
5/8/2013 0.65
5/9/2013 0.05
5/10/2013 **
5/11/2013 **
5/12/2013 1.40
5/13/2013 **
5/14/2013 **
5/15/2013 **
5/16/2013 **
5/17/2013 **
5/18/2013 **
5/19/2013 **
5/20/2013 **
5/21/2013 **
5/22/2013 0.03
5/23/2013 0.07
5/24/2013 1.94
5/25/2013 0.04
5/26/2013 0.00
5/27/2013 0.00
5/28/2013 0.12
5/29/2013 0.06
5/30/2013
5/31/2013
6/1/2013 0.00
6/2/2013 0.00
6/3/2013 0.67
6/4/2013 0.94
6/5/2013 0.00
6/6/2013 0.00
6/7/2013 1.33
6/8/2013 1.39
6/9/2013 0.00
6/10/2013 **
6/11/2013 1.85
6/12/2013 0.00
6/13/2013 T
6/14/2013 0.61
6/15/2013 0.04
6/16/2013 0.00
6/17/2013 0.00
6/18/2013 0.00
6/19/2013 0.56
6/20/2013 0.00
6/21/2013 0.00
6/22/2013 0.00
6/23/2013 0.00
6/24/2013 0.11
6/25/2013
6/26/2013
6/27/2013
6/28/2013
6/29/2013 **
6/30/2013 **
Day of YearDaily PrcpMultiday Prcp
7/1/2013 **
7/2/2013 **
7/3/2013 **
7/4/2013 **
7/5/2013 **
7/6/2013 **
7/7/2013 **
7/8/2013 0.34
7/9/2013 0.00
7/10/2013 0.02
7/11/2013 0.39
7/12/2013 0.31
7/13/2013 **
7/14/2013 **
7/15/2013 **
7/16/2013 **
7/17/2013 **
7/18/2013 **
7/19/2013 **
7/20/2013 **
7/21/2013 **
7/22/2013 **
7/23/2013 **
7/24/2013 **
7/25/2013 1.50
7/26/2013
7/27/2013
7/28/2013
7/29/2013
7/30/2013
7/31/2013
8/1/2013 0.44
8/2/2013 **
8/3/2013 **
8/4/2013 **
8/5/2013 **
8/6/2013 **
8/7/2013 **
8/8/2013 **
8/9/2013 **
8/10/2013 **
8/11/2013 **
8/12/2013 **
8/13/2013 **
8/14/2013 **
8/15/2013 1.08
8/16/2013 **
8/17/2013 **
8/18/2013 **
8/19/2013 **
8/20/2013 **
8/21/2013 **
8/22/2013 **
8/23/2013 **
8/24/2013 **
8/25/2013 **
8/26/2013 **
8/27/2013 0.03
8/28/2013
8/29/2013
8/30/2013
8/31/2013
9/1/2013
9/2/2013
9/3/2013
9/4/2013
9/5/2013
9/6/2013
9/7/2013
9/8/2013
9/9/2013
9/10/2013
9/11/2013
9/12/2013
9/13/2013 1.32
9/14/2013 0.00
9/15/2013 0.00
9/16/2013 0.00
9/17/2013 0.00
9/18/2013 0.00
9/19/2013 0.00
9/20/2013 0.00
9/21/2013 0.00
9/22/2013 0.77
9/23/2013 0.00
9/24/2013
9/25/2013
9/26/2013
9/27/2013
9/28/2013
9/29/2013
9/30/2013



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2012 7:00 AM 0.11 M M M M
10/2/2012 7:00 AM 0.03 M M M M
10/3/2012 7:00 AM 0.38 M M M M
10/4/2012 7:37 AM 0.03 M M M M
10/13/2012 7:00 AM 0.00 0.0 M M M
10/14/2012 7:00 AM 0.00 0.0 M M M
10/15/2012 7:00 AM 0.00 0.0 M M M
10/16/2012 7:00 AM 0.51 M M M M
10/17/2012 7:00 AM 0.00 0.0 M M M
10/18/2012 7:00 AM 0.00 0.0 M M M
10/19/2012 8:00 AM 0.10 M M M M
10/20/2012 7:00 AM 0.15 M M M M
10/21/2012 7:00 AM 0.00 0.0 M M M
10/22/2012 7:00 AM 0.00 0.0 M M M
10/23/2012 7:00 AM 0.00 0.0 M M M
10/24/2012 7:00 AM 0.00 0.0 M M M
10/25/2012 7:00 AM 0.00 0.0 M M M
10/26/2012 7:00 AM 0.00 0.0 M M M
10/27/2012 7:00 AM 0.00 0.0 M M M
10/28/2012 7:00 AM 0.00 0.0 M M M
10/29/2012 7:15 AM 1.09 M M M M
10/30/2012 7:55 AM 4.57 M M M M I'm guessing this is a little low, given that much of the rain was blown sideways by the wind.
10/31/2012 7:00 AM 0.22 M M M M
11/1/2012 7:00 AM 0.00 0.0 M M M
11/2/2012 7:00 AM 0.02 M M M M
11/3/2012 7:00 AM 0.00 0.0 M M M
11/4/2012 7:00 AM 0.00 0.0 M M M
11/5/2012 7:00 AM 0.00 0.0 M M M
11/6/2012 7:00 AM 0.00 0.0 M M M
11/7/2012 7:00 AM 0.00 0.0 M M M
11/8/2012 7:00 AM 0.13 M M M M
11/9/2012 7:00 AM 0.00 0.0 M M M
11/10/2012 7:00 AM 0.00 0.0 M M M
11/11/2012 7:00 AM 0.00 0.0 M M M
11/12/2012 7:00 AM 0.00 0.0 M M M
11/13/2012 7:20 AM 0.32 M M M M
11/14/2012 7:00 AM 0.19 M M M M
11/15/2012 7:00 AM 0.00 0.0 M M M
11/16/2012 7:00 AM 0.00 0.0 M M M
11/17/2012 7:00 AM 0.00 0.0 M M M
11/18/2012 7:00 AM 0.00 0.0 M M M
11/19/2012 7:00 AM 0.00 0.0 M M M
11/20/2012 7:00 AM 0.00 0.0 M M M
11/21/2012 7:00 AM 0.00 0.0 M M M
11/22/2012 7:00 AM 0.00 0.0 M M M
11/23/2012 7:00 AM 0.00 0.0 M M M
11/24/2012 7:00 AM 0.00 0.0 M M M
11/25/2012 7:00 AM 0.00 0.0 M M M
11/26/2012 7:00 AM 0.00 0.0 M M M
11/27/2012 7:45 AM 0.04 M M M M
11/28/2012 7:00 AM 0.16 M M M M
12/19/2012 7:00 AM 0.01 M M M M
12/20/2012 7:00 AM 0.00 0.0 M M M
12/21/2012 7:00 AM 0.91 M M M M
12/22/2012 7:00 AM 0.00 0.0 M M M
12/23/2012 7:00 AM 0.00 0.0 M M M
12/24/2012 7:00 AM 0.00 0.0 M M M
12/25/2012 7:00 AM 0.14 M M M M
12/26/2012 7:00 AM 0.00 0.0 M M M
12/27/2012 7:00 AM 1.26 M M M M Much of this fell as snow and sleet, and I'd guess we got about 1/4" of accumulation yesterday morning. However, none of it survived the night. (And I wasn't home to measure it when it was here!)
12/29/2012 7:00 AM 0.00 0.0 M M M
1/15/2013 7:00 AM 0.35 M M M M
1/16/2013 7:00 AM 0.88 M M M M
1/24/2013 7:00 AM 0.13 2.7 M 2.5 M
1/25/2013 1:00 PM 0.00 0.0 M 1.5 M
1/31/2013 7:00 AM 1.20 M M M M
2/1/2013 8:00 AM 0.01 0.7 M 0.5 M Snowfall had largely stopped by the time I measured, but I think a bit more fell a little later.
2/8/2013 7:45 AM 0.12 M M M M
3/1/2013 7:00 AM 0.00 0.0 M M M
3/2/2013 7:00 AM 0.00 0.0 M M M
3/3/2013 7:00 AM 0.00 0.0 M M M
3/4/2013 7:00 AM 0.00 0.0 M M M
3/5/2013 7:00 AM 0.00 0.0 M M M
3/6/2013 7:35 AM 0.36 0.2 M 0.2 M Mostly heavy snow was falling when I measured. There was about 0.2" of ice on the ground.
3/7/2013 7:00 AM 0.42 0.0 M 0.0 M
3/8/2013 7:00 AM 0.00 0.0 M M M
3/9/2013 7:00 AM 0.00 0.0 M M M
3/10/2013 7:00 AM 0.00 0.0 M M M
3/11/2013 7:00 AM 0.00 0.0 M M M
3/12/2013 7:00 AM 0.11 M M M M
3/13/2013 7:00 AM 0.49 M M M M
3/14/2013 7:00 AM 0.00 0.0 M M M
3/15/2013 7:00 AM 0.00 0.0 M M M
3/16/2013 7:00 AM 0.00 0.0 M M M
3/17/2013 7:00 AM 0.00 0.0 M M M
3/18/2013 7:00 AM 0.00 0.0 M M M
3/19/2013 7:00 AM 0.38 0.0 M 0.0 M
3/20/2013 7:00 AM 0.00 0.0 M M M
3/21/2013 7:00 AM 0.00 0.0 M M M
3/22/2013 7:00 AM 0.00 0.0 M M M
3/23/2013 7:00 AM 0.00 0.0 M M M
3/24/2013 7:00 AM 0.00 0.0 M M M
3/25/2013 8:00 AM 0.37 2.9 M 2.9 M
3/31/2013 7:00 AM 0.00 0.0 M M M
4/1/2013 7:00 AM 0.03 M M M M
4/2/2013 7:00 AM 0.00 0.0 M M M
4/3/2013 7:00 AM 0.00 0.0 M M M
4/4/2013 7:00 AM 0.00 0.0 M M M
4/5/2013 7:00 AM 0.21 M M M M
4/6/2013 7:00 AM 0.00 0.0 M M M
4/7/2013 7:00 AM 0.00 0.0 M M M
4/8/2013 7:00 AM 0.00 0.0 M M M
4/9/2013 7:00 AM 0.00 0.0 M M M
4/10/2013 7:00 AM 0.00 0.0 M M M
4/11/2013 7:00 AM 0.00 0.0 M M M
4/12/2013 7:55 AM 0.21 M M M M
4/13/2013 7:00 AM 0.00 0.0 M M M
4/14/2013 7:00 AM 0.00 0.0 M M M
4/15/2013 7:00 AM 0.40 M M M M
4/16/2013 7:00 AM 0.01 M M M M
4/17/2013 7:00 AM 0.00 0.0 M M M
4/18/2013 7:00 AM 0.00 0.0 M M M
4/19/2013 7:00 AM 0.05 M M M M
4/20/2013 7:00 AM 0.94 M M M M
4/21/2013 7:00 AM 0.00 0.0 M M M
4/22/2013 7:00 AM 0.00 0.0 M M M
4/23/2013 7:00 AM 0.00 0.0 M M M
4/24/2013 7:00 AM 0.00 0.0 M M M
4/25/2013 7:00 AM 0.00 0.0 M M M
4/26/2013 7:00 AM 0.00 0.0 M M M
4/27/2013 7:00 AM 0.00 0.0 M M M
4/28/2013 7:00 AM 0.00 0.0 M M M
4/29/2013 7:40 AM 0.09 M M M M
4/30/2013 7:45 AM 0.37 M M M M
5/1/2013 7:00 AM 0.14 M M M M
5/2/2013 7:00 AM 0.00 0.0 M M M
5/3/2013 7:00 AM 0.00 0.0 M M M
5/4/2013 7:00 AM 0.00 0.0 M M M
5/5/2013 7:00 AM 0.00 0.0 M M M
5/6/2013 7:00 AM 0.00 0.0 M M M
5/7/2013 7:40 AM 0.07 M M M M
5/8/2013 7:00 AM 0.65 M M M M
5/9/2013 7:00 AM 0.05 M M M M
5/23/2013 7:00 AM 0.07 M M M M
5/24/2013 7:00 AM 1.94 M M M M
5/25/2013 7:00 AM 0.04 M M M M
5/26/2013 7:00 AM 0.00 0.0 M M M
5/27/2013 7:00 AM 0.00 0.0 M M M
5/28/2013 7:45 AM 0.12 0.0 M M M
5/29/2013 7:00 AM 0.06 M M M M
6/1/2013 7:00 AM 0.00 0.0 M M M
6/2/2013 7:00 AM 0.00 0.0 M M M
6/3/2013 7:45 AM 0.67 M M M M
6/4/2013 7:00 AM 0.94 M M M M
6/5/2013 7:00 AM 0.00 0.0 M M M
6/6/2013 7:00 AM 0.00 0.0 M M M
6/7/2013 7:07 AM 1.33 M M M M
6/8/2013 7:00 AM 1.39 M M M M
6/9/2013 7:00 AM 0.00 0.0 M M M
6/12/2013 7:00 AM 0.00 0.0 M M M
6/13/2013 7:00 AM T M M M M
6/14/2013 7:30 AM 0.61 M M M M
6/15/2013 7:00 AM 0.04 M M M M
6/16/2013 7:00 AM 0.00 0.0 M M M
6/17/2013 7:00 AM 0.00 0.0 M M M
6/18/2013 7:00 AM 0.00 0.0 M M M
6/19/2013 7:00 AM 0.56 M M M M
6/20/2013 7:00 AM 0.00 0.0 M M M
6/21/2013 7:00 AM 0.00 0.0 M M M
6/22/2013 7:00 AM 0.00 0.0 M M M
6/23/2013 7:00 AM 0.00 0.0 M M M
6/24/2013 7:00 AM 0.11 M M M M
7/9/2013 7:00 AM 0.00 0.0 M M M
7/10/2013 7:00 AM 0.02 M M M M
7/11/2013 8:00 AM 0.39 M M M M
7/12/2013 7:30 AM 0.31 M M M M
8/1/2013 7:00 AM 0.44 M M M M
9/13/2013 7:00 AM 1.32 M M M M
9/14/2013 7:00 AM 0.00 0.0 M M M
9/15/2013 7:00 AM 0.00 0.0 M M M
9/16/2013 7:00 AM 0.00 0.0 M M M
9/17/2013 7:00 AM 0.00 0.0 M M M
9/18/2013 7:00 AM 0.00 0.0 M M M
9/19/2013 7:00 AM 0.00 0.0 M M M
9/20/2013 7:00 AM 0.00 0.0 M M M
9/21/2013 7:00 AM 0.00 0.0 M M M
9/22/2013 7:00 AM 0.77 M M M M
9/23/2013 7:00 AM 0.00 0.0 M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/5/2012 10/12/2012 7:00 AM 8 0.34 M M
11/29/2012 12/07/2012 7:40 AM 9 0.02 M M
12/8/2012 12/10/2012 7:50 AM 3 0.36 M M
12/11/2012 12/18/2012 7:45 AM 8 0.31 M M
1/11/2013 1/13/2013 7:00 AM 3 0.09 M M
1/25/2013 1/30/2013 7:00 AM 6 0.17 0.0 M
2/2/2013 2/12/2013 7:00 AM 11 0.45 0.0 M
2/13/2013 2/27/2013 7:00 AM 15 0.77 M M
3/26/2013 3/30/2013 11:00 AM 5 0.33 M M
5/10/2013 5/12/2013 11:00 AM 3 1.40 M M
5/13/2013 5/22/2013 7:00 AM 10 0.03 M M
6/10/2013 6/11/2013 8:00 AM 2 1.85 M M
6/29/2013 7/08/2013 7:00 AM 10 0.34 M M
7/13/2013 7/25/2013 12:00 AM 13 1.50 M M I emptied the gauge twice (but forgot to record). I got one reading early last week of 0.94" and one reading this morning of 0.56". I can't remember which day I got the 0.94" reading, so I'm just entering a single report with the total.
8/2/2013 8/15/2013 12:00 AM 14 1.08 M M
8/16/2013 8/27/2013 12:00 AM 12 0.03 M M



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