Station Overview Station Location
Station Number MD-CH-30 Latitude 38.620227
Station Name Bryans Road 1.0 SW Longitude -77.089815
County Charles Elevation (ft) 174



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 09 3.57 5.40 17 3.59 8 1.81 9 3 6 0 0.0 0 0
Nov 09 3.41 5.15 22 4.15 12 1.00 10 1 10 0 0.0 0 0
Dec 09 3.29 8.77 22 7.95 19 0.82 3 1 13 0 15.0 2 1
Jan 10 2.97 2.17 19 2.17 19 0.00 0 0 9 0 5.0 1 1
Feb 10 2.76 3.84 21 3.84 21 0.00 0 0 5 0 29.5 4 4
March 10 3.74 4.87 25 4.87 25 0.00 0 0 13 0 0.0 0 0
April 10 3.30 1.98 13 1.98 13 0.00 0 0 9 0 0.0 0 0
May 10 4.07 2.07 13 2.07 13 0.00 0 0 13 0 0.0 0 0
June 10 3.93 2.52 11 2.52 11 0.00 0 0 9 0 0.0 0 0
July 10 3.92 0.53 4 0.53 4 0.00 0 0 4 0 0.0 0 0
Aug 10 3.44 3.34 11 3.34 11 0.00 0 0 10 0 0.0 0 0
Sept 10 3.85 3.18 12 3.18 12 0.00 0 0 7 0 0.0 0 0
Water Year Totals: 42.25" 43.82" 190 days 40.19" 168 3.63" 22 days 5 108 days 0 days 49.5" 7 days 6 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
10/1/2009
10/2/2009
10/3/2009
10/4/2009
10/5/2009
10/6/2009
10/7/2009
10/8/2009
10/9/2009 0.00
10/10/2009 **
10/11/2009 **
10/12/2009 0.02
10/13/2009
10/14/2009
10/15/2009 0.09
10/16/2009 0.74 **
10/17/2009 **
10/18/2009 **
10/19/2009 **
10/20/2009 0.02
10/21/2009
10/22/2009
10/23/2009
10/24/2009
10/25/2009 0.52
10/26/2009
10/27/2009 0.44
10/28/2009 1.79
10/29/2009
10/30/2009 0.00
10/31/2009 0.01
11/1/2009 0.67
11/2/2009 0.22
11/3/2009 0.01
11/4/2009 0.00
11/5/2009
11/6/2009
11/7/2009
11/8/2009
11/9/2009 0.00
11/10/2009
11/11/2009 0.26
11/12/2009 1.40
11/13/2009 0.85
11/14/2009 0.21
11/15/2009
11/16/2009 0.01
11/17/2009
11/18/2009
11/19/2009 0.01
11/20/2009 0.51
11/21/2009 **
11/22/2009 **
11/23/2009 **
11/24/2009 **
11/25/2009 **
11/26/2009 **
11/27/2009 **
11/28/2009 **
11/29/2009 **
11/30/2009 1.00
12/1/2009 0.36
12/2/2009
12/3/2009 0.90
12/4/2009 0.02
12/5/2009 **
12/6/2009 **
12/7/2009 0.82
12/8/2009
12/9/2009 1.64
12/10/2009
12/11/2009 0.02
12/12/2009 0.00
12/13/2009 0.06
12/14/2009 0.64
12/15/2009 0.02
12/16/2009 0.00
12/17/2009 0.00
12/18/2009
12/19/2009 0.80
12/20/2009 1.60
12/21/2009 0.00
12/22/2009 0.00
12/23/2009 0.00
12/24/2009
12/25/2009
12/26/2009 1.46
12/27/2009 0.10
12/28/2009
12/29/2009
12/30/2009
12/31/2009 0.33
Day of YearDaily PrcpMultiday Prcp
1/1/2010 0.15
1/2/2010
1/3/2010
1/4/2010 0.00
1/5/2010
1/6/2010 0.00
1/7/2010 0.00
1/8/2010
1/9/2010
1/10/2010 0.00
1/11/2010 0.00
1/12/2010
1/13/2010 0.00
1/14/2010
1/15/2010
1/16/2010
1/17/2010 0.12
1/18/2010 0.65
1/19/2010
1/20/2010 0.00
1/21/2010
1/22/2010 0.25
1/23/2010 0.13
1/24/2010
1/25/2010 0.25
1/26/2010 0.10
1/27/2010 0.00
1/28/2010 0.00
1/29/2010 0.00
1/30/2010 0.02
1/31/2010 0.50
2/1/2010
2/2/2010 0.00
2/3/2010 0.37
2/4/2010
2/5/2010 0.00
2/6/2010 1.79
2/7/2010 0.82
2/8/2010
2/9/2010 0.00
2/10/2010 0.71
2/11/2010
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 0.00
2/15/2010 0.00
2/16/2010
2/17/2010 0.00
2/18/2010
2/19/2010 0.00
2/20/2010 0.00
2/21/2010 0.00
2/22/2010 0.00
2/23/2010 0.15
2/24/2010 0.00
2/25/2010 0.00
2/26/2010 0.00
2/27/2010
2/28/2010 0.00
3/1/2010 0.00
3/2/2010 0.00
3/3/2010 0.09
3/4/2010
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010 0.00
3/9/2010
3/10/2010 0.00
3/11/2010
3/12/2010 0.43
3/13/2010 0.44
3/14/2010 0.42
3/15/2010 0.24
3/16/2010 0.03
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010
3/21/2010 0.00
3/22/2010 0.01
3/23/2010 0.72
3/24/2010 0.02
3/25/2010 0.00
3/26/2010 0.72
3/27/2010 0.12
3/28/2010
3/29/2010 1.52
3/30/2010 0.11
3/31/2010
Day of YearDaily PrcpMultiday Prcp
4/1/2010
4/2/2010 0.00
4/3/2010
4/4/2010
4/5/2010
4/6/2010
4/7/2010
4/8/2010 0.00
4/9/2010 0.82
4/10/2010
4/11/2010
4/12/2010 0.00
4/13/2010
4/14/2010 0.16
4/15/2010 0.01
4/16/2010
4/17/2010
4/18/2010
4/19/2010
4/20/2010
4/21/2010
4/22/2010 0.23
4/23/2010
4/24/2010 0.02
4/25/2010 0.16
4/26/2010 0.13
4/27/2010 0.43
4/28/2010 0.02
4/29/2010 0.00
4/30/2010
5/1/2010
5/2/2010
5/3/2010 0.06
5/4/2010
5/5/2010
5/6/2010
5/7/2010
5/8/2010
5/9/2010
5/10/2010
5/11/2010
5/12/2010 0.10
5/13/2010 0.02
5/14/2010
5/15/2010
5/16/2010
5/17/2010 0.04
5/18/2010 0.82
5/19/2010 0.19
5/20/2010 0.02
5/21/2010
5/22/2010
5/23/2010 0.40
5/24/2010 0.11
5/25/2010 0.02
5/26/2010 0.01
5/27/2010
5/28/2010 0.19
5/29/2010 0.09
5/30/2010
5/31/2010
6/1/2010
6/2/2010 0.63
6/3/2010
6/4/2010 0.53
6/5/2010 0.00
6/6/2010
6/7/2010 0.52
6/8/2010
6/9/2010 0.00
6/10/2010 0.04
6/11/2010
6/12/2010
6/13/2010 0.56
6/14/2010 0.04
6/15/2010 0.12
6/16/2010 0.04
6/17/2010
6/18/2010
6/19/2010
6/20/2010
6/21/2010
6/22/2010
6/23/2010 0.04
6/24/2010
6/25/2010
6/26/2010
6/27/2010
6/28/2010
6/29/2010
6/30/2010
Day of YearDaily PrcpMultiday Prcp
7/1/2010
7/2/2010
7/3/2010
7/4/2010
7/5/2010
7/6/2010
7/7/2010
7/8/2010
7/9/2010
7/10/2010
7/11/2010
7/12/2010
7/13/2010
7/14/2010
7/15/2010
7/16/2010
7/17/2010
7/18/2010
7/19/2010
7/20/2010 0.22
7/21/2010 0.10
7/22/2010 0.01
7/23/2010
7/24/2010
7/25/2010
7/26/2010 0.20
7/27/2010
7/28/2010
7/29/2010
7/30/2010
7/31/2010
8/1/2010 0.16
8/2/2010 0.01
8/3/2010 0.03
8/4/2010
8/5/2010
8/6/2010 0.58
8/7/2010
8/8/2010
8/9/2010
8/10/2010 0.00
8/11/2010
8/12/2010
8/13/2010 1.00
8/14/2010
8/15/2010
8/16/2010 0.57
8/17/2010
8/18/2010 0.57
8/19/2010 0.24
8/20/2010
8/21/2010
8/22/2010
8/23/2010 0.05
8/24/2010 0.13
8/25/2010
8/26/2010
8/27/2010
8/28/2010
8/29/2010
8/30/2010
8/31/2010
9/1/2010 0.00
9/2/2010
9/3/2010
9/4/2010
9/5/2010
9/6/2010
9/7/2010 0.00
9/8/2010 0.00
9/9/2010
9/10/2010
9/11/2010
9/12/2010 0.59
9/13/2010 0.03
9/14/2010
9/15/2010
9/16/2010 0.00
9/17/2010
9/18/2010
9/19/2010 0.00
9/20/2010
9/21/2010
9/22/2010
9/23/2010
9/24/2010
9/25/2010
9/26/2010 0.03
9/27/2010 0.15
9/28/2010 0.14
9/29/2010 0.02
9/30/2010 2.22



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/9/2009 8:45 AM 0.00 0.0 M M M
10/15/2009 8:00 AM 0.09 M M M M
10/16/2009 8:05 AM 0.74 M M M M
10/25/2009 7:45 AM 0.52 M M M M
10/27/2009 7:00 AM 0.44 M M M M
10/28/2009 7:05 AM 1.79 M M M M
10/30/2009 7:45 AM 0.00 0.0 M M M
10/31/2009 7:00 AM 0.01 M M M M
11/1/2009 7:00 AM 0.67 M M M M
11/2/2009 7:00 AM 0.22 M M M M
11/3/2009 7:10 AM 0.01 M M M M
11/4/2009 8:45 AM 0.00 0.0 M M M
11/9/2009 8:45 AM 0.00 0.0 M M M
11/11/2009 7:00 AM 0.26 M M M M
11/12/2009 7:00 AM 1.40 M M M M
11/13/2009 7:15 AM 0.85 M M M M
11/14/2009 7:45 AM 0.21 M M M M
11/16/2009 7:45 AM 0.01 M M M M
11/19/2009 7:35 AM 0.01 M M M M
11/20/2009 6:45 AM 0.51 M M M M
12/1/2009 7:45 AM 0.36 M M M M
12/3/2009 8:45 AM 0.90 M M M M
12/4/2009 6:45 AM 0.02 M M M M
12/9/2009 7:00 AM 1.64 M M M M
12/11/2009 7:45 AM 0.02 M M M M
12/12/2009 8:45 AM 0.00 0.0 M M M
12/13/2009 7:00 AM 0.06 M M M M
12/14/2009 7:15 AM 0.64 M M M M
12/15/2009 8:45 AM 0.02 M M M M
12/16/2009 8:45 AM 0.00 0.0 M M M
12/17/2009 6:45 AM 0.00 0.0 M M M
12/19/2009 8:00 AM 0.80 7.1 0.80 0.0 0.00 storm continues
12/20/2009 8:45 AM 1.60 7.9 1.60 15.0 2.40
12/21/2009 7:45 AM 0.00 0.0 M M M
12/22/2009 6:20 AM 0.00 0.0 M M M
12/23/2009 8:45 AM 0.00 0.0 M M M
12/26/2009 8:00 AM 1.46 M M M M
12/27/2009 8:45 AM 0.10 M M M M
12/31/2009 8:45 AM 0.33 M M M M
1/1/2010 8:45 AM 0.15 M M M M
1/4/2010 8:45 AM 0.00 0.0 M M M
1/6/2010 8:45 AM 0.00 0.0 M M M
1/7/2010 6:45 AM 0.00 0.0 M M M
1/10/2010 8:45 AM 0.00 0.0 M M M
1/11/2010 7:45 AM 0.00 0.0 M M M
1/13/2010 8:45 AM 0.00 0.0 M M M
1/17/2010 8:45 AM 0.12 M M M M
1/18/2010 7:25 AM 0.65 M M M M
1/20/2010 8:45 AM 0.00 0.0 M M M
1/22/2010 8:08 AM 0.25 M M M M
1/23/2010 8:45 AM 0.13 M M M M
1/25/2010 7:11 AM 0.25 M M M M
1/26/2010 8:00 AM 0.10 M M M M
1/27/2010 8:07 AM 0.00 0.0 M M M
1/28/2010 8:05 AM 0.00 0.0 M M M
1/29/2010 8:05 AM 0.00 0.0 M M M
1/30/2010 8:45 AM 0.02 M M M M snow began 6AM continues throughout today
1/31/2010 8:00 AM 0.50 5.0 0.50 5.0 0.50 5 inches fluffy snow on ground, 0.5 melted core
2/2/2010 8:45 AM 0.00 0.0 M M M
2/3/2010 8:25 AM 0.37 6.0 0.83 6.0 0.83 0.37 snow melt in the guage (0.83 snow core melt from ground) - might be runoff contamination -
2/5/2010 8:45 AM 0.00 0.0 M M M
2/6/2010 8:35 AM 1.79 13.0 2.13 13.0 2.13
2/7/2010 8:35 AM 0.82 5.5 1.01 18.0 3.14
2/9/2010 8:45 AM 0.00 0.0 M M M
2/10/2010 8:35 AM 0.71 5.0 0.71 20.0 3.16
2/12/2010 8:45 AM 0.00 0.0 M M M
2/13/2010 8:45 AM 0.00 0.0 M M M
2/14/2010 8:45 AM 0.00 0.0 M M M
2/15/2010 8:45 AM 0.00 0.0 M M M
2/17/2010 8:45 AM 0.00 0.0 M M M
2/19/2010 8:45 AM 0.00 0.0 M M M
2/20/2010 8:45 AM 0.00 0.0 M M M
2/21/2010 8:45 AM 0.00 0.0 M M M
2/22/2010 8:45 AM 0.00 0.0 M M M
2/23/2010 8:45 AM 0.15 M M M M
2/24/2010 8:45 AM 0.00 0.0 M M M
2/25/2010 8:45 AM 0.00 0.0 M M M
2/26/2010 8:45 AM 0.00 0.0 M M M
2/28/2010 8:45 AM 0.00 0.0 M M M
3/1/2010 8:45 AM 0.00 0.0 M M M
3/2/2010 8:45 AM 0.00 0.0 M M M
3/3/2010 8:45 AM 0.09 M M M M
3/5/2010 8:45 AM 0.00 0.0 M M M
3/6/2010 8:45 AM 0.00 0.0 M M M
3/7/2010 8:45 AM 0.00 0.0 M M M
3/8/2010 8:45 AM 0.00 0.0 M M M
3/10/2010 8:45 AM 0.00 0.0 M M M
3/12/2010 10:45 AM 0.43 M M M M
3/13/2010 7:45 AM 0.44 M M M M
3/14/2010 8:00 AM 0.42 M M M M
3/15/2010 8:35 AM 0.24 M M M M
3/16/2010 8:45 AM 0.03 M M M M
3/17/2010 8:45 AM 0.00 0.0 M M M
3/18/2010 8:45 AM 0.00 0.0 M M M
3/19/2010 8:45 AM 0.00 0.0 M M M
3/21/2010 8:45 AM 0.00 0.0 M M M
3/22/2010 8:45 AM 0.01 M M M M
3/23/2010 8:30 AM 0.72 M M M M
3/24/2010 8:45 AM 0.02 M M M M
3/25/2010 8:45 AM 0.00 0.0 M M M
3/26/2010 8:45 AM 0.72 M M M M
3/27/2010 8:00 AM 0.12 M M M M
3/29/2010 8:45 AM 1.52 M M M M
3/30/2010 8:45 AM 0.11 M M M M
4/2/2010 8:45 AM 0.00 0.0 M M M
4/8/2010 8:45 AM 0.00 0.0 M M M
4/9/2010 8:00 AM 0.82 M M M M
4/12/2010 8:45 AM 0.00 0.0 M M M
4/14/2010 8:00 AM 0.16 M M M M
4/15/2010 8:00 AM 0.01 M M M M
4/22/2010 8:45 AM 0.23 M M M M
4/24/2010 8:45 AM 0.02 M M M M
4/25/2010 7:15 AM 0.16 M M M M
4/26/2010 8:45 AM 0.13 M M M M
4/27/2010 8:45 AM 0.43 M M M M
4/28/2010 8:30 AM 0.02 M M M M
4/29/2010 8:45 AM 0.00 0.0 M M M
5/3/2010 7:15 AM 0.06 M M M M
5/12/2010 8:45 AM 0.10 M M M M
5/13/2010 8:45 AM 0.02 M M M M
5/17/2010 6:45 AM 0.04 M M M M
5/18/2010 6:45 AM 0.82 M M M M
5/19/2010 7:15 AM 0.19 M M M M
5/20/2010 6:25 AM 0.02 M M M M
5/23/2010 8:45 AM 0.40 M M M M
5/24/2010 6:35 AM 0.11 M M M M
5/25/2010 6:05 AM 0.02 M M M M
5/26/2010 7:45 AM 0.01 M M M M
5/28/2010 6:45 AM 0.19 M M M M
5/29/2010 7:00 AM 0.09 M M M M
6/2/2010 8:45 AM 0.63 M M M M
6/4/2010 7:00 AM 0.53 M M M M
6/5/2010 6:45 AM 0.00 0.0 M M M
6/7/2010 7:15 AM 0.52 M M M M
6/9/2010 8:45 AM 0.00 0.0 M M M
6/10/2010 6:15 AM 0.04 M M M M
6/13/2010 6:00 AM 0.56 M M M M
6/14/2010 5:25 AM 0.04 M M M M
6/15/2010 7:00 AM 0.12 M M M M
6/16/2010 7:45 AM 0.04 M M M M
6/23/2010 5:45 AM 0.04 M M M M
7/20/2010 6:45 AM 0.22 M M M M
7/21/2010 7:45 AM 0.10 M M M M
7/22/2010 6:25 AM 0.01 M M M M
7/26/2010 5:45 AM 0.20 M M M M
8/1/2010 5:45 AM 0.16 M M M M
8/2/2010 6:45 AM 0.01 M M M M
8/3/2010 6:05 AM 0.03 M M M M
8/6/2010 6:30 AM 0.58 M M M M
8/10/2010 8:45 AM 0.00 0.0 M M M
8/13/2010 8:45 AM 1.00 M M M M
8/16/2010 5:55 AM 0.57 M M M M
8/18/2010 8:45 AM 0.57 M M M M
8/19/2010 6:25 AM 0.24 M M M M
8/23/2010 6:45 AM 0.05 M M M M
8/24/2010 6:15 AM 0.13 M M M M
9/1/2010 8:45 AM 0.00 0.0 M M M
9/7/2010 6:35 AM 0.00 0.0 M M M
9/8/2010 6:45 AM 0.00 0.0 M M M
9/12/2010 7:00 AM 0.59 M M M M
9/13/2010 7:00 AM 0.03 M M M M
9/16/2010 7:05 AM 0.00 0.0 M M M
9/19/2010 8:45 AM 0.00 0.0 M M M
9/26/2010 8:45 AM 0.03 M M M M
9/27/2010 7:00 AM 0.15 M M M M
9/28/2010 7:05 AM 0.14 M M M M
9/29/2010 7:45 AM 0.02 M M M M
9/30/2010 7:04 AM 2.22 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/10/2009 10/12/2009 6:45 AM 3 0.02 M M
10/16/2009 10/18/2009 7:00 AM 3 1.77 M M
10/18/2009 10/20/2009 7:00 AM 3 0.02 M M
11/21/2009 11/30/2009 6:35 AM 10 1.00 M M
12/5/2009 12/07/2009 8:00 AM 3 0.82 M M ice melt and rain



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