Station Overview Station Location
Station Number MD-MG-65 Latitude 39.140067
Station Name Poolesville 0.4 SE Longitude -77.404641
County Montgomery Elevation (ft) 372



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 10 3.42 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Nov 10 3.43 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Dec 10 3.11 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Jan 11 2.73 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 11 2.70 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 11 3.69 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 11 3.35 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 11 4.52 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 11 3.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 11 3.78 0.83 13 0.83 13 0.00 0 0 2 0 0.0 0 0
Aug 11 3.23 4.01 31 4.01 31 0.00 0 0 10 0 0.0 0 0
Sept 11 4.04 13.44 30 13.44 30 0.00 0 0 18 0 0.0 0 0
Water Year Totals: 41.83" 18.28" 74 days 18.28" 74 0.00" 0 days 0 30 days 0 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
10/1/2010
10/2/2010
10/3/2010
10/4/2010
10/5/2010
10/6/2010
10/7/2010
10/8/2010
10/9/2010
10/10/2010
10/11/2010
10/12/2010
10/13/2010
10/14/2010
10/15/2010
10/16/2010
10/17/2010
10/18/2010
10/19/2010
10/20/2010
10/21/2010
10/22/2010
10/23/2010
10/24/2010
10/25/2010
10/26/2010
10/27/2010
10/28/2010
10/29/2010
10/30/2010
10/31/2010
11/1/2010
11/2/2010
11/3/2010
11/4/2010
11/5/2010
11/6/2010
11/7/2010
11/8/2010
11/9/2010
11/10/2010
11/11/2010
11/12/2010
11/13/2010
11/14/2010
11/15/2010
11/16/2010
11/17/2010
11/18/2010
11/19/2010
11/20/2010
11/21/2010
11/22/2010
11/23/2010
11/24/2010
11/25/2010
11/26/2010
11/27/2010
11/28/2010
11/29/2010
11/30/2010
12/1/2010
12/2/2010
12/3/2010
12/4/2010
12/5/2010
12/6/2010
12/7/2010
12/8/2010
12/9/2010
12/10/2010
12/11/2010
12/12/2010
12/13/2010
12/14/2010
12/15/2010
12/16/2010
12/17/2010
12/18/2010
12/19/2010
12/20/2010
12/21/2010
12/22/2010
12/23/2010
12/24/2010
12/25/2010
12/26/2010
12/27/2010
12/28/2010
12/29/2010
12/30/2010
12/31/2010
Day of YearDaily PrcpMultiday Prcp
1/1/2011
1/2/2011
1/3/2011
1/4/2011
1/5/2011
1/6/2011
1/7/2011
1/8/2011
1/9/2011
1/10/2011
1/11/2011
1/12/2011
1/13/2011
1/14/2011
1/15/2011
1/16/2011
1/17/2011
1/18/2011
1/19/2011
1/20/2011
1/21/2011
1/22/2011
1/23/2011
1/24/2011
1/25/2011
1/26/2011
1/27/2011
1/28/2011
1/29/2011
1/30/2011
1/31/2011
2/1/2011
2/2/2011
2/3/2011
2/4/2011
2/5/2011
2/6/2011
2/7/2011
2/8/2011
2/9/2011
2/10/2011
2/11/2011
2/12/2011
2/13/2011
2/14/2011
2/15/2011
2/16/2011
2/17/2011
2/18/2011
2/19/2011
2/20/2011
2/21/2011
2/22/2011
2/23/2011
2/24/2011
2/25/2011
2/26/2011
2/27/2011
2/28/2011
3/1/2011
3/2/2011
3/3/2011
3/4/2011
3/5/2011
3/6/2011
3/7/2011
3/8/2011
3/9/2011
3/10/2011
3/11/2011
3/12/2011
3/13/2011
3/14/2011
3/15/2011
3/16/2011
3/17/2011
3/18/2011
3/19/2011
3/20/2011
3/21/2011
3/22/2011
3/23/2011
3/24/2011
3/25/2011
3/26/2011
3/27/2011
3/28/2011
3/29/2011
3/30/2011
3/31/2011
Day of YearDaily PrcpMultiday Prcp
4/1/2011
4/2/2011
4/3/2011
4/4/2011
4/5/2011
4/6/2011
4/7/2011
4/8/2011
4/9/2011
4/10/2011
4/11/2011
4/12/2011
4/13/2011
4/14/2011
4/15/2011
4/16/2011
4/17/2011
4/18/2011
4/19/2011
4/20/2011
4/21/2011
4/22/2011
4/23/2011
4/24/2011
4/25/2011
4/26/2011
4/27/2011
4/28/2011
4/29/2011
4/30/2011
5/1/2011
5/2/2011
5/3/2011
5/4/2011
5/5/2011
5/6/2011
5/7/2011
5/8/2011
5/9/2011
5/10/2011
5/11/2011
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011 0.63
7/13/2011
7/14/2011 0.20
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.00
7/26/2011 0.00
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.00
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.00
8/2/2011 0.00
8/3/2011 0.01
8/4/2011 0.24
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 0.13
8/8/2011 0.35
8/9/2011 0.00
8/10/2011 0.00
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.12
8/15/2011 1.34
8/16/2011 0.00
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.05
8/20/2011 0.00
8/21/2011 0.00
8/22/2011 0.00
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.00
8/26/2011 0.13
8/27/2011 0.00
8/28/2011 1.62
8/29/2011 0.02
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.02
9/3/2011 0.00
9/4/2011 1.15
9/5/2011 0.00
9/6/2011 2.10
9/7/2011 0.81
9/8/2011 1.05
9/9/2011 5.45
9/10/2011 0.15
9/11/2011 0.00
9/12/2011 0.38
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.56
9/16/2011 0.14
9/17/2011 0.00
9/18/2011 0.03
9/19/2011 0.00
9/20/2011 0.06
9/21/2011 0.11
9/22/2011 0.12
9/23/2011 0.00
9/24/2011 0.30
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 0.11
9/28/2011 0.08
9/29/2011 0.82
9/30/2011 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
7/12/2011 8:00 AM 0.63 M M M M Strong thunderstorm developed ahead of the predicted storms from the midwest. Storm began about 7:30pm Vivid lighting and some wind.
7/14/2011 8:00 AM 0.20 M M M M Rain fell in a brief thunderstorm that occurred at about 1400. The main body of the storm passed to my NW.
7/21/2011 8:00 AM 0.00 0.0 M M M
7/22/2011 8:00 AM 0.00 0.0 M M M
7/23/2011 8:00 AM 0.00 0.0 M M M
7/24/2011 8:00 AM 0.00 0.0 M M M
7/25/2011 8:00 AM 0.00 0.0 M M M
7/26/2011 8:00 AM 0.00 0.0 M M M Thunderstorms all around my location but not a drop of rain.
7/27/2011 8:00 AM 0.00 0.0 M M M
7/28/2011 8:00 AM 0.00 0.0 M M M
7/29/2011 8:00 AM 0.00 0.0 M M M
7/30/2011 8:00 AM 0.00 0.0 M M M
7/31/2011 8:00 AM 0.00 0.0 M M M
8/1/2011 8:00 AM 0.00 0.0 M M M
8/2/2011 8:00 AM 0.00 0.0 M M M
8/3/2011 8:00 AM 0.01 M M M M
8/4/2011 8:00 AM 0.24 M M M M Most of the rain fell between 5:00 & 5:30 pm although there was a shower overnight.
8/5/2011 8:00 AM 0.00 0.0 M M M
8/6/2011 8:00 AM 0.00 0.0 M M M
8/7/2011 8:00 AM 0.13 M M M M
8/8/2011 8:00 AM 0.35 M M M M
8/9/2011 8:00 AM 0.00 0.0 M M M
8/10/2011 8:00 AM 0.00 0.0 M M M
8/11/2011 8:00 AM 0.00 0.0 M M M
8/12/2011 8:00 AM 0.00 0.0 M M M
8/13/2011 8:00 AM 0.00 0.0 M M M
8/14/2011 8:00 AM 0.12 M M M M
8/15/2011 8:00 AM 1.34 M M M M 1.22 inches of this total fell during a thunderstorm that began about 7:30 pm.
8/16/2011 8:00 AM 0.00 0.0 M M M
8/17/2011 8:00 AM 0.00 0.0 M M M
8/18/2011 8:00 AM 0.00 0.0 M M M
8/19/2011 8:00 AM 0.05 M M M M Had a two minute hail storm about 6:30pm. Hail was pea sized and did not register in the rain gauge.
8/20/2011 8:00 AM 0.00 0.0 M M M
8/21/2011 8:00 AM 0.00 0.0 M M M
8/22/2011 8:00 AM 0.00 0.0 M M M
8/23/2011 8:00 AM 0.00 0.0 M M M
8/24/2011 8:00 AM 0.00 0.0 M M M
8/25/2011 8:00 AM 0.00 0.0 M M M
8/26/2011 8:00 AM 0.13 M M M M
8/27/2011 8:00 AM 0.00 0.0 M M M
8/28/2011 8:00 AM 1.62 M M M M
8/29/2011 8:00 AM 0.02 M M M M
8/30/2011 8:00 AM 0.00 0.0 M M M
8/31/2011 8:00 AM 0.00 0.0 M M M
9/1/2011 8:00 AM 0.00 0.0 M M M
9/2/2011 8:00 AM 0.02 M M M M
9/3/2011 8:00 AM 0.00 0.0 M M M
9/4/2011 8:00 AM 1.15 M M M M Heavy thunderstorm that began at 1000.
9/5/2011 8:00 AM 0.00 0.0 M M M
9/6/2011 8:00 AM 2.10 M M M M
9/7/2011 8:00 AM 0.81 M M M M
9/8/2011 8:00 AM 1.05 M M M M
9/9/2011 8:00 AM 5.45 M M M M
9/10/2011 8:00 AM 0.15 M M M M
9/11/2011 8:00 AM 0.00 0.0 M M M
9/12/2011 8:00 AM 0.38 M M M M
9/13/2011 8:00 AM 0.00 0.0 M M M
9/14/2011 8:00 AM 0.00 0.0 M M M
9/15/2011 8:00 AM 0.56 M M M M Thunderstorm that began at 2000 and lasted until 2130. Never had heavy rain but there was intense cloud to ground lightning.
9/16/2011 8:00 AM 0.14 M M M M
9/17/2011 8:00 AM 0.00 0.0 M M M
9/18/2011 8:00 AM 0.03 M M M M
9/19/2011 8:00 AM 0.00 0.0 M M M
9/20/2011 8:00 AM 0.06 M M M M
9/21/2011 8:00 AM 0.11 M M M M
9/22/2011 8:00 AM 0.12 M M M M
9/23/2011 8:00 AM 0.00 0.0 M M M
9/24/2011 8:00 AM 0.30 M M M M
9/25/2011 8:00 AM 0.00 0.0 M M M
9/26/2011 8:00 AM 0.00 0.0 M M M
9/27/2011 8:00 AM 0.11 M M M M
9/28/2011 8:00 AM 0.08 M M M M
9/29/2011 8:00 AM 0.82 M M M M
9/30/2011 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