Station Overview Station Location
Station Number MD-MG-72 Latitude 39.192716
Station Name Boyds 1.3 WNW Longitude -77.3339589
County Montgomery Elevation (ft) 438



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 14 3.46 3.94 13 3.94 13 0.00 0 0 13 0 0.0 0 0
Nov 14 3.40 2.94 12 2.23 8 0.71 4 1 7 1 0.0 0 0
Dec 14 3.13 3.29 16 1.32 4 1.97 12 3 4 0 0.0 0 0
Jan 15 2.67 1.14 5 0.12 1 1.02 4 1 1 0 0.0 0 0
Feb 15 2.71 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 15 3.80 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 15 3.31 1.45 10 1.45 10 0.00 0 0 5 0 0.0 0 0
May 15 4.69 1.13 30 1.13 18 0.00 12 3 7 0 0.0 0 0
June 15 3.83 9.37 25 9.37 25 0.00 0 0 17 0 0.0 0 0
July 15 3.75 2.97 29 2.48 12 0.49 17 7 12 0 0.0 0 0
Aug 15 3.18 0.95 31 0.95 15 0.00 16 2 8 0 0.0 0 0
Sept 15 4.11 3.93 23 3.93 8 0.00 15 3 7 0 0.0 0 0
Water Year Totals: 42.04" 31.11" 194 days 26.92" 114 4.19" 80 days 20 81 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
10/1/2014 0.75
10/2/2014
10/3/2014
10/4/2014 0.69
10/5/2014
10/6/2014
10/7/2014 0.02
10/8/2014 0.19
10/9/2014
10/10/2014
10/11/2014 0.30
10/12/2014 0.02
10/13/2014
10/14/2014 0.14
10/15/2014 0.24
10/16/2014 0.78
10/17/2014 0.11
10/18/2014
10/19/2014
10/20/2014
10/21/2014
10/22/2014 0.45
10/23/2014 0.12
10/24/2014
10/25/2014
10/26/2014
10/27/2014
10/28/2014
10/29/2014
10/30/2014 0.13
10/31/2014
11/1/2014
11/2/2014
11/3/2014
11/4/2014
11/5/2014
11/6/2014 0.69
11/7/2014 0.03
11/8/2014
11/9/2014
11/10/2014
11/11/2014
11/12/2014 T
11/13/2014
11/14/2014 0.05
11/15/2014
11/16/2014
11/17/2014 0.28
11/18/2014 0.35
11/19/2014
11/20/2014
11/21/2014
11/22/2014
11/23/2014
11/24/2014 0.49
11/25/2014
11/26/2014 0.34
11/27/2014 **
11/28/2014 **
11/29/2014 **
11/30/2014 0.71
12/1/2014
12/2/2014 **
12/3/2014 0.51
12/4/2014
12/5/2014
12/6/2014 0.10
12/7/2014 0.48
12/8/2014
12/9/2014 **
12/10/2014 0.59
12/11/2014
12/12/2014
12/13/2014
12/14/2014
12/15/2014
12/16/2014
12/17/2014 0.44
12/18/2014
12/19/2014
12/20/2014
12/21/2014
12/22/2014
12/23/2014 0.30
12/24/2014 **
12/25/2014 0.87
12/26/2014 **
12/27/2014 **
12/28/2014 **
12/29/2014 **
12/30/2014 **
12/31/2014 **
Day of YearDaily PrcpMultiday Prcp
1/1/2015 **
1/2/2015 **
1/3/2015 **
1/4/2015 1.02
1/5/2015 0.12
1/6/2015
1/7/2015
1/8/2015
1/9/2015
1/10/2015
1/11/2015
1/12/2015
1/13/2015
1/14/2015
1/15/2015
1/16/2015
1/17/2015
1/18/2015
1/19/2015
1/20/2015
1/21/2015
1/22/2015
1/23/2015
1/24/2015
1/25/2015
1/26/2015
1/27/2015
1/28/2015
1/29/2015
1/30/2015
1/31/2015
2/1/2015
2/2/2015
2/3/2015
2/4/2015
2/5/2015
2/6/2015
2/7/2015
2/8/2015
2/9/2015
2/10/2015
2/11/2015
2/12/2015
2/13/2015
2/14/2015
2/15/2015
2/16/2015
2/17/2015
2/18/2015
2/19/2015
2/20/2015
2/21/2015
2/22/2015
2/23/2015
2/24/2015
2/25/2015
2/26/2015
2/27/2015
2/28/2015
3/1/2015
3/2/2015
3/3/2015
3/4/2015
3/5/2015
3/6/2015
3/7/2015
3/8/2015
3/9/2015
3/10/2015
3/11/2015
3/12/2015
3/13/2015
3/14/2015
3/15/2015
3/16/2015
3/17/2015
3/18/2015
3/19/2015
3/20/2015
3/21/2015
3/22/2015
3/23/2015
3/24/2015
3/25/2015
3/26/2015
3/27/2015
3/28/2015
3/29/2015
3/30/2015
3/31/2015
Day of YearDaily PrcpMultiday Prcp
4/1/2015
4/2/2015
4/3/2015
4/4/2015
4/5/2015
4/6/2015
4/7/2015
4/8/2015
4/9/2015
4/10/2015
4/11/2015
4/12/2015
4/13/2015
4/14/2015
4/15/2015
4/16/2015
4/17/2015
4/18/2015
4/19/2015
4/20/2015 0.98
4/21/2015 0.04
4/22/2015 0.00
4/23/2015 0.10
4/24/2015 0.00
4/25/2015 0.00
4/26/2015 0.31
4/27/2015 0.00
4/28/2015 0.02
4/29/2015 0.00
4/30/2015
5/1/2015 0.12
5/2/2015
5/3/2015 0.00
5/4/2015 0.00
5/5/2015 0.00
5/6/2015 0.05
5/7/2015 0.35
5/8/2015 0.00
5/9/2015 **
5/10/2015 **
5/11/2015 **
5/12/2015 **
5/13/2015 **
5/14/2015 **
5/15/2015 0.00
5/16/2015 0.00
5/17/2015 0.13
5/18/2015 0.00
5/19/2015 0.31
5/20/2015 0.00
5/21/2015 0.00
5/22/2015 0.10
5/23/2015 **
5/24/2015 0.00
5/25/2015 **
5/26/2015 **
5/27/2015 0.00
5/28/2015 0.07
5/29/2015 0.00
5/30/2015 0.00
5/31/2015 0.00
6/1/2015 0.05
6/2/2015 1.12
6/3/2015 0.07
6/4/2015 0.04
6/5/2015 0.23
6/6/2015 0.01
6/7/2015 0.00
6/8/2015 0.00
6/9/2015 0.21
6/10/2015 0.00
6/11/2015
6/12/2015
6/13/2015
6/14/2015 0.00
6/15/2015 0.58
6/16/2015 0.72
6/17/2015 0.00
6/18/2015 0.23
6/19/2015 0.11
6/20/2015 0.01
6/21/2015 0.76
6/22/2015 0.00
6/23/2015 0.00
6/24/2015 1.81
6/25/2015 0.00
6/26/2015 0.36
6/27/2015 0.33
6/28/2015 2.73
6/29/2015
6/30/2015
Day of YearDaily PrcpMultiday Prcp
7/1/2015 0.27
7/2/2015 0.07
7/3/2015
7/4/2015 0.40
7/5/2015 0.22
7/6/2015 **
7/7/2015 0.16
7/8/2015 **
7/9/2015 0.27
7/10/2015 0.05
7/11/2015 **
7/12/2015 **
7/13/2015 0.02
7/14/2015 0.20
7/15/2015 0.30
7/16/2015 **
7/17/2015 **
7/18/2015 0.00
7/19/2015 0.13
7/20/2015 **
7/21/2015 0.00
7/22/2015 0.07
7/23/2015 **
7/24/2015 **
7/25/2015 0.00
7/26/2015
7/27/2015 0.24
7/28/2015 **
7/29/2015 0.04
7/30/2015 0.01
7/31/2015 0.52
8/1/2015 0.00
8/2/2015 0.00
8/3/2015 0.00
8/4/2015 0.21
8/5/2015 0.05
8/6/2015 0.00
8/7/2015 0.04
8/8/2015 0.00
8/9/2015 0.00
8/10/2015 0.00
8/11/2015 0.05
8/12/2015 0.03
8/13/2015 **
8/14/2015 **
8/15/2015 **
8/16/2015 **
8/17/2015 **
8/18/2015 **
8/19/2015 0.00
8/20/2015 0.37
8/21/2015 0.13
8/22/2015 **
8/23/2015 **
8/24/2015 0.00
8/25/2015 0.07
8/26/2015 **
8/27/2015 **
8/28/2015 **
8/29/2015 **
8/30/2015 **
8/31/2015 **
9/1/2015 **
9/2/2015 **
9/3/2015 **
9/4/2015 0.00
9/5/2015 0.09
9/6/2015 **
9/7/2015 **
9/8/2015 **
9/9/2015 0.00
9/10/2015 0.04
9/11/2015 0.15
9/12/2015 0.02
9/13/2015 0.40
9/14/2015 0.00
9/15/2015 **
9/16/2015 **
9/17/2015 **
9/18/2015 **
9/19/2015 **
9/20/2015 **
9/21/2015 0.00
9/22/2015 0.41
9/23/2015
9/24/2015
9/25/2015
9/26/2015
9/27/2015
9/28/2015
9/29/2015
9/30/2015 2.82



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2014 7:25 AM 0.75 M M M M
10/4/2014 7:45 AM 0.69 M M M M
10/7/2014 8:45 AM 0.02 M M M M
10/8/2014 7:15 AM 0.19 M M M M
10/11/2014 9:20 AM 0.30 M M M M
10/12/2014 8:00 AM 0.02 M M M M
10/14/2014 8:44 AM 0.14 M M M M
10/15/2014 7:20 AM 0.24 M M M M
10/16/2014 7:20 AM 0.78 M M M M
10/17/2014 8:30 AM 0.11 M M M M
10/22/2014 7:45 AM 0.45 M M M M
10/23/2014 7:30 AM 0.12 M M M M
10/30/2014 7:45 AM 0.13 M M M M
11/6/2014 7:00 AM 0.69 M M M M
11/7/2014 8:00 AM 0.03 M M M M
11/12/2014 8:45 AM T M M M M
11/14/2014 7:20 AM 0.05 0.0 M M M Precip fell as combo of rain and wet snow. No accumulation.
11/17/2014 7:20 AM 0.28 M M M M
11/18/2014 7:30 AM 0.35 M M M M
11/24/2014 7:10 AM 0.49 M M M M
11/26/2014 7:30 AM 0.34 M M M M Rain only at this point.
12/6/2014 9:00 AM 0.10 M M M M
12/7/2014 9:00 AM 0.48 M M M M
12/17/2014 7:00 AM 0.44 M M M M
12/23/2014 7:00 AM 0.30 M M M M
1/5/2015 8:00 AM 0.12 M M M M
4/20/2015 7:00 AM 0.98 M M M M
4/21/2015 7:00 AM 0.04 M M M M
4/22/2015 7:00 AM 0.00 0.0 M M M
4/23/2015 7:00 AM 0.10 M M M M
4/24/2015 7:00 AM 0.00 0.0 M M M
4/25/2015 7:00 AM 0.00 0.0 M M M
4/26/2015 8:00 AM 0.31 M M M M
4/27/2015 7:00 AM 0.00 0.0 M M M
4/28/2015 7:00 AM 0.02 M M M M
4/29/2015 7:00 AM 0.00 0.0 M M M
5/1/2015 7:00 AM 0.12 M M M M
5/3/2015 7:00 AM 0.00 0.0 M M M
5/4/2015 7:00 AM 0.00 0.0 M M M
5/5/2015 7:00 AM 0.00 0.0 M M M
5/6/2015 7:00 AM 0.05 M M M M
5/7/2015 7:00 AM 0.35 M M M M
5/8/2015 7:00 AM 0.00 0.0 M M M
5/16/2015 7:00 AM 0.00 0.0 M M M
5/17/2015 8:30 AM 0.13 M M M M
5/18/2015 7:00 AM 0.00 0.0 M M M
5/19/2015 7:00 AM 0.31 M M M M
5/20/2015 7:00 AM 0.00 0.0 M M M
5/21/2015 7:00 AM 0.00 0.0 M M M
5/22/2015 7:00 AM 0.10 M M M M
5/28/2015 7:00 AM 0.07 M M M M
5/29/2015 7:00 AM 0.00 0.0 M M M
5/30/2015 7:00 AM 0.00 0.0 M M M
5/31/2015 7:00 AM 0.00 0.0 M M M
6/1/2015 7:00 AM 0.05 M M M M
6/2/2015 7:00 AM 1.12 M M M M
6/3/2015 7:00 AM 0.07 M M M M
6/4/2015 7:00 AM 0.04 M M M M
6/5/2015 7:00 AM 0.23 M M M M
6/6/2015 8:30 AM 0.01 M M M M
6/7/2015 7:00 AM 0.00 0.0 M M M
6/8/2015 7:00 AM 0.00 0.0 M M M
6/9/2015 7:00 AM 0.21 M M M M
6/10/2015 7:00 AM 0.00 0.0 M M M
6/14/2015 7:00 AM 0.00 0.0 M M M
6/15/2015 6:15 AM 0.58 M M M M
6/16/2015 7:50 AM 0.72 M M M M
6/17/2015 7:00 AM 0.00 0.0 M M M
6/18/2015 7:30 AM 0.23 M M M M
6/19/2015 7:30 AM 0.11 M M M M
6/20/2015 8:00 AM 0.01 M M M M
6/21/2015 8:00 AM 0.76 M M M M
6/22/2015 7:00 AM 0.00 0.0 M M M
6/23/2015 7:00 AM 0.00 0.0 M M M
6/24/2015 7:00 AM 1.81 M M M M Pea-sized hail lasted for about 5 minutes during storm. Numerous large branches down - 3-6" diameter. Lightning strike marks on two of the downed branches.
6/25/2015 7:00 AM 0.00 0.0 M M M
6/26/2015 8:00 AM 0.36 M M M M
6/27/2015 9:00 AM 0.33 M M M M
6/28/2015 8:40 AM 2.73 M M M M
7/1/2015 7:00 AM 0.27 M M M M
7/2/2015 9:00 AM 0.07 M M M M
7/4/2015 9:45 AM 0.40 M M M M
7/5/2015 7:00 AM 0.22 M M M M
7/10/2015 8:00 AM 0.05 M M M M
7/14/2015 8:20 AM 0.20 M M M M
7/15/2015 8:50 AM 0.30 M M M M
7/19/2015 7:50 AM 0.13 M M M M
7/22/2015 8:30 AM 0.07 M M M M
7/27/2015 8:15 AM 0.24 M M M M
7/30/2015 8:20 AM 0.01 M M M M
7/31/2015 8:20 AM 0.52 M M M M
8/1/2015 7:00 AM 0.00 0.0 M M M
8/2/2015 7:00 AM 0.00 0.0 M M M
8/3/2015 7:00 AM 0.00 0.0 M M M
8/4/2015 9:00 AM 0.21 M M M M
8/5/2015 7:30 AM 0.05 M M M M
8/6/2015 7:00 AM 0.00 0.0 M M M
8/7/2015 9:00 AM 0.04 M M M M
8/8/2015 7:00 AM 0.00 0.0 M M M
8/9/2015 7:00 AM 0.00 0.0 M M M
8/10/2015 7:45 AM 0.00 0.0 M M M
8/11/2015 6:50 AM 0.05 M M M M
8/12/2015 7:00 AM 0.03 M M M M
8/20/2015 7:00 AM 0.37 M M M M
8/21/2015 7:00 AM 0.13 M M M M
8/25/2015 7:35 AM 0.07 M M M M
9/5/2015 9:00 AM 0.09 M M M M
9/10/2015 7:20 AM 0.04 M M M M
9/11/2015 7:00 AM 0.15 M M M M
9/12/2015 8:00 AM 0.02 M M M M
9/13/2015 7:55 AM 0.40 M M M M
9/14/2015 7:00 AM 0.00 0.0 M M M
9/22/2015 7:00 AM 0.41 M M M M
9/30/2015 6:58 AM 2.82 M M M M



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/27/2014 11/30/2014 9:30 AM 4 0.71 M M Most precip fell as snow on 11/26, but melted quickly.
12/2/2014 12/03/2014 7:30 AM 2 0.51 M M
12/9/2014 12/10/2014 12:00 PM 2 0.59 M M
12/24/2014 12/25/2014 10:00 AM 2 0.87 M M
12/26/2014 1/04/2015 8:00 AM 10 1.02 M M
5/9/2015 5/15/2015 7:00 AM 7 0.00 M M
5/23/2015 5/24/2015 7:00 AM 2 0.00 M M
5/25/2015 5/27/2015 7:00 AM 3 0.00 M M
7/6/2015 7/07/2015 8:45 AM 2 0.16 M M
7/8/2015 7/09/2015 10:00 AM 2 0.27 M M
7/11/2015 7/13/2015 9:20 AM 3 0.02 M M
7/16/2015 7/18/2015 8:30 AM 3 0.00 M M
7/20/2015 7/21/2015 10:00 AM 2 0.00 M M
7/23/2015 7/25/2015 7:00 AM 3 0.00 M M
7/28/2015 7/29/2015 7:00 AM 2 0.04 M M
8/13/2015 8/19/2015 7:00 AM 7 0.00 M M
8/22/2015 8/24/2015 7:00 AM 3 0.00 M M
8/26/2015 9/04/2015 7:00 AM 10 0.00 M M
9/6/2015 9/09/2015 7:00 AM 4 0.00 M M
9/15/2015 9/21/2015 7:00 AM 7 0.00 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