Station Overview Station Location
Station Number MD-MG-52 Latitude 39.026707
Station Name Silver Spring 0.9 N Longitude -77.021998
County Montgomery Elevation (ft) 360



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 13 3.52 6.15 30 6.15 19 0.00 11 0 7 1 0.0 0 0
Nov 13 3.48 2.96 30 2.35 8 0.61 22 1 2 0 0.0 0 0
Dec 13 3.28 2.59 12 2.59 12 0.00 0 0 5 0 3.3 3 4
Jan 14 3.01 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Feb 14 2.83 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
March 14 3.78 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
April 14 3.40 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
May 14 4.31 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
June 14 3.95 3.24 22 3.24 22 0.00 0 0 9 0 0.0 0 0
July 14 4.04 0.29 31 0.29 3 0.00 28 0 1 0 0.0 0 0
Aug 14 3.32 9.97 31 5.92 29 4.05 2 1 9 0 0.0 0 0
Sept 14 4.01 1.01 3 1.01 2 0.00 1 0 2 0 0.0 0 0
Water Year Totals: 42.93" 26.21" 159 days 21.55" 95 4.66" 64 days 2 35 days 1 days 3.3" 3 days 4 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
10/1/2013
10/2/2013 0.00
10/3/2013 0.00
10/4/2013 0.00
10/5/2013 0.00
10/6/2013 0.00
10/7/2013 0.00
10/8/2013 1.28
10/9/2013 0.00
10/10/2013 0.48
10/11/2013 1.47
10/12/2013 2.59
10/13/2013 0.24
10/14/2013 0.02
10/15/2013 0.00
10/16/2013 T
10/17/2013 0.00
10/18/2013 0.07
10/19/2013 0.00
10/20/2013 0.00
10/21/2013 **
10/22/2013 **
10/23/2013 **
10/24/2013 **
10/25/2013 **
10/26/2013 **
10/27/2013 **
10/28/2013 **
10/29/2013 **
10/30/2013 **
10/31/2013 **
11/1/2013 **
11/2/2013 **
11/3/2013 **
11/4/2013 **
11/5/2013 **
11/6/2013 **
11/7/2013 **
11/8/2013 **
11/9/2013 **
11/10/2013 **
11/11/2013 **
11/12/2013 **
11/13/2013 **
11/14/2013 **
11/15/2013 **
11/16/2013 **
11/17/2013 **
11/18/2013 **
11/19/2013 **
11/20/2013 **
11/21/2013 **
11/22/2013 0.61
11/23/2013 0.00
11/24/2013 0.00
11/25/2013 0.00
11/26/2013 0.00
11/27/2013 2.28
11/28/2013 0.07
11/29/2013 0.00
11/30/2013 0.00
12/1/2013 0.00
12/2/2013 0.00
12/3/2013 0.00
12/4/2013 0.00
12/5/2013 0.00
12/6/2013 0.05
12/7/2013 1.14
12/8/2013 0.00
12/9/2013 1.10
12/10/2013 0.22
12/11/2013 0.08
12/12/2013 0.00
12/13/2013
12/14/2013
12/15/2013
12/16/2013
12/17/2013
12/18/2013
12/19/2013
12/20/2013
12/21/2013
12/22/2013
12/23/2013
12/24/2013
12/25/2013
12/26/2013
12/27/2013
12/28/2013
12/29/2013
12/30/2013
12/31/2013
Day of YearDaily PrcpMultiday Prcp
1/1/2014
1/2/2014
1/3/2014
1/4/2014
1/5/2014
1/6/2014
1/7/2014
1/8/2014
1/9/2014
1/10/2014
1/11/2014
1/12/2014
1/13/2014
1/14/2014
1/15/2014
1/16/2014
1/17/2014
1/18/2014
1/19/2014
1/20/2014
1/21/2014
1/22/2014
1/23/2014
1/24/2014
1/25/2014
1/26/2014
1/27/2014
1/28/2014
1/29/2014
1/30/2014
1/31/2014
2/1/2014
2/2/2014
2/3/2014
2/4/2014
2/5/2014
2/6/2014
2/7/2014
2/8/2014
2/9/2014
2/10/2014
2/11/2014
2/12/2014
2/13/2014
2/14/2014
2/15/2014
2/16/2014
2/17/2014
2/18/2014
2/19/2014
2/20/2014
2/21/2014
2/22/2014
2/23/2014
2/24/2014
2/25/2014
2/26/2014
2/27/2014
2/28/2014
3/1/2014
3/2/2014
3/3/2014
3/4/2014
3/5/2014
3/6/2014
3/7/2014
3/8/2014
3/9/2014
3/10/2014
3/11/2014
3/12/2014
3/13/2014
3/14/2014
3/15/2014
3/16/2014
3/17/2014
3/18/2014
3/19/2014
3/20/2014
3/21/2014
3/22/2014
3/23/2014
3/24/2014
3/25/2014
3/26/2014
3/27/2014
3/28/2014
3/29/2014
3/30/2014
3/31/2014
Day of YearDaily PrcpMultiday Prcp
4/1/2014
4/2/2014
4/3/2014
4/4/2014
4/5/2014
4/6/2014
4/7/2014
4/8/2014
4/9/2014
4/10/2014
4/11/2014
4/12/2014
4/13/2014
4/14/2014
4/15/2014
4/16/2014
4/17/2014
4/18/2014
4/19/2014
4/20/2014
4/21/2014
4/22/2014
4/23/2014
4/24/2014
4/25/2014
4/26/2014
4/27/2014
4/28/2014
4/29/2014
4/30/2014
5/1/2014
5/2/2014
5/3/2014
5/4/2014
5/5/2014
5/6/2014
5/7/2014
5/8/2014
5/9/2014
5/10/2014
5/11/2014
5/12/2014
5/13/2014
5/14/2014
5/15/2014
5/16/2014
5/17/2014
5/18/2014
5/19/2014
5/20/2014
5/21/2014
5/22/2014
5/23/2014
5/24/2014
5/25/2014
5/26/2014
5/27/2014
5/28/2014
5/29/2014
5/30/2014
5/31/2014
6/1/2014
6/2/2014
6/3/2014
6/4/2014
6/5/2014
6/6/2014
6/7/2014
6/8/2014
6/9/2014 0.82
6/10/2014 0.00
6/11/2014 0.03
6/12/2014 1.01
6/13/2014 0.04
6/14/2014 0.46
6/15/2014 0.00
6/16/2014 0.00
6/17/2014 0.00
6/18/2014 0.00
6/19/2014 0.02
6/20/2014 0.01
6/21/2014 0.00
6/22/2014 0.08
6/23/2014 0.00
6/24/2014 0.00
6/25/2014 0.00
6/26/2014 0.77
6/27/2014 0.00
6/28/2014 0.00
6/29/2014 0.00
6/30/2014 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2014 0.00
7/2/2014 0.00
7/3/2014 0.29
7/4/2014 **
7/5/2014 **
7/6/2014 **
7/7/2014 **
7/8/2014 **
7/9/2014 **
7/10/2014 **
7/11/2014 **
7/12/2014 **
7/13/2014 **
7/14/2014 **
7/15/2014 **
7/16/2014 **
7/17/2014 **
7/18/2014 **
7/19/2014 **
7/20/2014 **
7/21/2014 **
7/22/2014 **
7/23/2014 **
7/24/2014 **
7/25/2014 **
7/26/2014 **
7/27/2014 **
7/28/2014 **
7/29/2014 **
7/30/2014 **
7/31/2014 **
8/1/2014 **
8/2/2014 4.05
8/3/2014 0.30
8/4/2014 0.25
8/5/2014 0.00
8/6/2014 0.05
8/7/2014 0.00
8/8/2014 0.00
8/9/2014 0.00
8/10/2014 0.00
8/11/2014 0.00
8/12/2014 0.08
8/13/2014 4.41
8/14/2014 0.00
8/15/2014 0.00
8/16/2014 0.00
8/17/2014 0.00
8/18/2014 0.00
8/19/2014 0.00
8/20/2014 0.00
8/21/2014 0.17
8/22/2014 0.08
8/23/2014 0.03
8/24/2014 0.55
8/25/2014 0.00
8/26/2014 0.00
8/27/2014 0.00
8/28/2014 0.00
8/29/2014 0.00
8/30/2014 0.00
8/31/2014 0.00
9/1/2014 0.99
9/2/2014 0.02
9/3/2014
9/4/2014
9/5/2014
9/6/2014
9/7/2014
9/8/2014
9/9/2014
9/10/2014
9/11/2014
9/12/2014
9/13/2014
9/14/2014
9/15/2014
9/16/2014
9/17/2014
9/18/2014
9/19/2014
9/20/2014
9/21/2014
9/22/2014
9/23/2014
9/24/2014
9/25/2014
9/26/2014
9/27/2014
9/28/2014
9/29/2014
9/30/2014 **



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/2/2013 7:00 AM 0.00 0.0 M M M
10/3/2013 7:00 AM 0.00 0.0 M M M
10/4/2013 7:00 AM 0.00 0.0 M M M
10/5/2013 7:00 AM 0.00 0.0 M M M
10/6/2013 7:00 AM 0.00 0.0 M M M
10/7/2013 7:00 AM 0.00 0.0 M M M
10/8/2013 7:00 AM 1.28 M M M M 0.8" received by noon.
10/9/2013 7:00 AM 0.00 0.0 M M M
10/10/2013 7:00 AM 0.48 M M M M
10/11/2013 7:00 AM 1.47 M M M M Light rain at time of observation.
10/12/2013 7:00 AM 2.59 M M M M By noon, 1" recd. Thunder heard at 3:15 pm. Light misting at time of observation, and relatively warm air of 63º.
10/13/2013 7:00 AM 0.24 M M M M Lt rain at time of observation.
10/14/2013 7:00 AM 0.02 M M M M
10/15/2013 7:00 AM 0.00 0.0 M M M Fog blankets the area.
10/16/2013 7:00 AM T M M M M
10/17/2013 7:00 AM 0.00 0.0 M M M
10/18/2013 7:00 AM 0.07 M M M M
10/19/2013 7:00 AM 0.00 0.0 M M M
10/20/2013 7:00 AM 0.00 0.0 M M M
11/23/2013 7:00 AM 0.00 0.0 M M M
11/24/2013 7:00 AM 0.00 0.0 M M M
11/25/2013 7:00 AM 0.00 0.0 M M M It's 25º and clear.
11/26/2013 7:00 AM 0.00 0.0 M M M
11/27/2013 7:00 AM 2.28 M M M M Light rain at time of observation.
11/28/2013 7:00 AM 0.07 M M M M Clear sky, calm air, with rising sun and frozen rain gauge.
11/29/2013 7:00 AM 0.00 0.0 M M M
11/30/2013 7:00 AM 0.00 0.0 M M M
12/1/2013 7:00 AM 0.00 0.0 M M M
12/2/2013 7:00 AM 0.00 0.0 M M M
12/3/2013 7:00 AM 0.00 0.0 M M M
12/4/2013 7:00 AM 0.00 0.0 M M M
12/5/2013 7:00 AM 0.00 0.0 M M M
12/6/2013 7:00 AM 0.05 M M M M Lt rain and still 60º.
12/7/2013 7:00 AM 1.14 M M M M
12/8/2013 7:00 AM 0.00 0.0 M M M
12/9/2013 8:00 AM 1.10 1.2 M 0.5 M 1.2" snow by mid afternoon before turning to sleet and compressed by freezing rain in late afternoon and beyond.
12/10/2013 8:30 AM 0.22 1.0 M 1.0 M
12/11/2013 7:00 AM 0.08 1.1 M 1.5 M Reading started from 900 am yesterday,.
12/12/2013 7:00 AM 0.00 0.0 M 1.5 M It's 28º.
6/9/2014 7:00 AM 0.82 M M M M
6/10/2014 7:00 AM 0.00 0.0 M M M
6/11/2014 7:00 AM 0.03 M M M M Most precip from yesterday; trace sprinkles at time of observation.
6/12/2014 7:00 AM 1.01 M M M M Lt. rain at time of observation.
6/13/2014 7:00 AM 0.04 M M M M
6/14/2014 7:00 AM 0.46 M M M M About 0.40 received by 2 pm and just 0.06 more received in the evening's quickly passing front.
6/15/2014 7:00 AM 0.00 0.0 M M M A beautiful cool day yesterday with high in the mid-70s, and a current temp of 59º.
6/16/2014 7:00 AM 0.00 0.0 M M M
6/17/2014 7:00 AM 0.00 0.0 M M M As seen on radar near 8 pm, a fast approaching T-storm from the NW dissipated before reaching here. Lightning flashed in the distance near 1 am as a large T-storm passed south of DC.
6/18/2014 7:00 AM 0.00 0.0 M M M
6/19/2014 7:00 AM 0.02 M M M M Loud thunder at 12:30 am with brief downpour at 1:00.
6/20/2014 7:00 AM 0.01 M M M M T-storm near 5 pm brought lots of thunder and wind gusts, but just a few drops of rain.
6/21/2014 7:00 AM 0.00 0.0 M M M
6/22/2014 7:00 AM 0.08 M M M M Most received from between 10 to 12 yesterday morning.
6/23/2014 7:00 AM 0.00 0.0 M M M
6/24/2014 7:00 AM 0.00 0.0 M M M
6/25/2014 7:00 AM 0.00 0.0 M M M
6/26/2014 7:00 AM 0.77 M M M M Rain began near 9 pm with much thunder and downpour near 9:45.
6/27/2014 7:00 AM 0.00 0.0 M M M
6/28/2014 7:00 AM 0.00 0.0 M M M
6/29/2014 7:00 AM 0.00 0.0 M M M
6/30/2014 7:00 AM 0.00 0.0 M M M
7/1/2014 7:00 AM 0.00 0.0 M M M
7/2/2014 7:00 AM 0.00 0.0 M M M
7/3/2014 7:00 AM 0.29 M M M M Heavy rain began at about 10:10 pm and ended before midnight.
8/3/2014 7:00 AM 0.30 M M M M Heavy rain fell near 1:00 am.
8/4/2014 7:00 AM 0.25 M M M M Brief T-storm with moderate rain began near 10 pm.
8/5/2014 7:00 AM 0.00 0.0 M M M
8/6/2014 7:00 AM 0.05 M M M M Rained lightly from 10 to 12 as front passed.
8/7/2014 7:00 AM 0.00 0.0 M M M
8/8/2014 7:00 AM 0.00 0.0 M M M It's 65º with clear skies.
8/9/2014 7:00 AM 0.00 0.0 M M M
8/10/2014 7:00 AM 0.00 0.0 M M M
8/11/2014 7:00 AM 0.00 0.0 M M M
8/12/2014 7:00 AM 0.08 M M M M Very ight rain at time of observation.
8/13/2014 7:00 AM 4.41 M M M M Steady moderate to heavy rain fell from mid-morning to early afternoon.
8/14/2014 7:00 AM 0.00 0.0 M M M
8/15/2014 7:00 AM 0.00 0.0 M M M
8/16/2014 7:00 AM 0.00 0.0 M M M
8/17/2014 7:00 AM 0.00 0.0 M M M
8/18/2014 7:00 AM 0.00 0.0 M M M
8/19/2014 7:00 AM 0.00 0.0 M M M
8/20/2014 7:00 AM 0.00 0.0 M M M
8/21/2014 7:00 AM 0.17 M M M M T-storm yesterday early evening and brief downpour at time of observation.
8/22/2014 7:00 AM 0.08 M M M M
8/23/2014 7:00 AM 0.03 M M M M
8/24/2014 7:00 AM 0.55 M M M M
8/25/2014 7:00 AM 0.00 0.0 M M M
8/26/2014 7:00 AM 0.00 0.0 M M M
8/27/2014 7:00 AM 0.00 0.0 M M M
8/28/2014 7:00 AM 0.00 0.0 M M M
8/29/2014 7:00 AM 0.00 0.0 M M M
8/30/2014 7:00 AM 0.00 0.0 M M M
8/31/2014 7:00 AM 0.00 0.0 M M M
9/1/2014 7:00 AM 0.99 M M M M As stated in yesterday's significant weather report at 7:10 pm: "T-storm precip began at 6:24 pm with steady heavy rain and wind for about 20 minutes. Two close thunderclaps coincided with two momentary power blips, enough to require resetting clocks and Fios TV. Light rain was still falling," at 7:10 pm.
9/2/2014 7:00 AM 0.02 M M M M Afternoon t-storm dissipated as it approached.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/21/2013 11/22/2013 7:20 PM 33 0.61 M M
7/4/2014 8/02/2014 5:30 PM 30 4.05 M M
9/30/2014 10/01/2014 8:00 PM 2 2.95 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