Station Overview Station Location
Station Number MD-FR-12 Latitude 39.4195
Station Name New Market 2.6 NNW Longitude -77.2905
County Frederick Elevation (ft) 370



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 15 3.38 4.12 31 4.12 29 0.00 2 1 11 1 0.0 0 0
Nov 15 3.43 1.55 30 1.10 14 0.45 16 1 5 4 0.0 0 0
Dec 15 3.21 4.42 31 4.42 31 0.00 0 0 16 1 0.0 0 0
Jan 16 2.83 3.86 31 3.86 29 0.00 2 0 9 3 31.1 3 8
Feb 16 2.69 5.07 29 4.87 23 0.20 6 2 9 5 7.6 5 17
March 16 3.68 2.06 31 2.06 31 0.00 0 0 10 3 1.1 2 1
April 16 3.49 2.31 30 2.31 28 0.00 2 1 10 4 0.0 0 0
May 16 4.34 5.23 31 4.33 29 0.90 2 1 19 1 0.0 0 0
June 16 3.70 5.33 30 5.33 30 0.00 0 0 13 0 0.0 0 0
July 16 3.84 5.29 31 5.29 31 0.00 0 0 12 1 0.0 0 0
Aug 16 3.04 3.93 31 3.91 24 0.02 7 1 8 0 0.0 0 0
Sept 16 4.04 3.63 30 3.62 27 0.01 3 1 8 1 0.0 0 0
Water Year Totals: 41.67" 46.80" 366 days 45.22" 326 1.58" 40 days 8 130 days 24 days 39.8" 10 days 26 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
10/1/2015 0.05
10/2/2015 0.40
10/3/2015 1.10
10/4/2015 0.08
10/5/2015 0.01
10/6/2015 0.00
10/7/2015 0.00
10/8/2015 0.00
10/9/2015 0.00
10/10/2015 0.10
10/11/2015 0.00
10/12/2015 0.00
10/13/2015 0.00
10/14/2015 0.01
10/15/2015 0.00
10/16/2015 0.00
10/17/2015 T
10/18/2015 **
10/19/2015 T
10/20/2015 0.00
10/21/2015 0.00
10/22/2015 0.00
10/23/2015 0.00
10/24/2015 0.00
10/25/2015 0.06
10/26/2015 0.00
10/27/2015 0.00
10/28/2015 0.05
10/29/2015 2.25
10/30/2015 0.01
10/31/2015 0.00
11/1/2015 0.02
11/2/2015 0.00
11/3/2015 0.00
11/4/2015 0.00
11/5/2015 T
11/6/2015 T
11/7/2015 0.01
11/8/2015 T
11/9/2015 0.00
11/10/2015 0.56
11/11/2015 0.28
11/12/2015 T
11/13/2015 0.23
11/14/2015 0.00
11/15/2015 **
11/16/2015 **
11/17/2015 **
11/18/2015 **
11/19/2015 **
11/20/2015 **
11/21/2015 **
11/22/2015 **
11/23/2015 **
11/24/2015 **
11/25/2015 **
11/26/2015 **
11/27/2015 **
11/28/2015 **
11/29/2015 **
11/30/2015 0.45
12/1/2015 0.30
12/2/2015 0.57
12/3/2015 0.25
12/4/2015 0.00
12/5/2015 0.00
12/6/2015 0.00
12/7/2015 0.00
12/8/2015 0.00
12/9/2015 0.00
12/10/2015 0.05
12/11/2015 0.00
12/12/2015 0.00
12/13/2015 T
12/14/2015 0.00
12/15/2015 0.12
12/16/2015 0.00
12/17/2015 0.00
12/18/2015 0.46
12/19/2015 0.00
12/20/2015 0.00
12/21/2015 0.00
12/22/2015 0.16
12/23/2015 0.03
12/24/2015 1.09
12/25/2015 0.04
12/26/2015 0.45
12/27/2015 0.01
12/28/2015 0.01
12/29/2015 0.83
12/30/2015 0.04
12/31/2015 0.01
Day of YearDaily PrcpMultiday Prcp
1/1/2016 0.00
1/2/2016 0.00
1/3/2016 0.00
1/4/2016 0.00
1/5/2016 0.00
1/6/2016 0.00
1/7/2016 0.00
1/8/2016 T
1/9/2016 0.05
1/10/2016 1.14
1/11/2016 0.02
1/12/2016 0.00
1/13/2016 0.01
1/14/2016 0.00
1/15/2016 0.00
1/16/2016 0.42
1/17/2016 0.00
1/18/2016 T
1/19/2016 0.00
1/20/2016 0.00
1/21/2016 0.01
1/22/2016 0.00
1/23/2016 0.98
1/24/2016 1.22
1/25/2016 0.00
1/26/2016 0.00
1/27/2016 0.01
1/28/2016 0.00
1/29/2016 T
1/30/2016 **
1/31/2016 **
2/1/2016 **
2/2/2016 0.14
2/3/2016 0.04
2/4/2016 1.09
2/5/2016 T
2/6/2016 T
2/7/2016 0.00
2/8/2016 0.00
2/9/2016 0.09
2/10/2016 0.42
2/11/2016 0.00
2/12/2016 0.00
2/13/2016 T
2/14/2016 T
2/15/2016 0.04
2/16/2016 0.87
2/17/2016 0.52
2/18/2016 0.00
2/19/2016 0.00
2/20/2016 **
2/21/2016 **
2/22/2016 **
2/23/2016 0.06
2/24/2016 0.35
2/25/2016 1.45
2/26/2016 T
2/27/2016 0.00
2/28/2016 0.00
2/29/2016 0.00
3/1/2016 0.00
3/2/2016 0.09
3/3/2016 0.00
3/4/2016 0.07
3/5/2016 T
3/6/2016 T
3/7/2016 0.00
3/8/2016 0.00
3/9/2016 0.00
3/10/2016 0.00
3/11/2016 0.00
3/12/2016 0.00
3/13/2016 0.02
3/14/2016 0.93
3/15/2016 0.05
3/16/2016 0.01
3/17/2016 0.00
3/18/2016 0.00
3/19/2016 T
3/20/2016 0.38
3/21/2016 0.00
3/22/2016 0.00
3/23/2016 0.00
3/24/2016 0.00
3/25/2016 0.00
3/26/2016 0.08
3/27/2016 0.00
3/28/2016 0.21
3/29/2016 0.22
3/30/2016 0.00
3/31/2016 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2016 T
4/2/2016 0.55
4/3/2016 0.02
4/4/2016 0.00
4/5/2016 0.14
4/6/2016 0.00
4/7/2016 0.00
4/8/2016 0.84
4/9/2016 0.10
4/10/2016 T
4/11/2016 T
4/12/2016 0.05
4/13/2016 0.03
4/14/2016 0.00
4/15/2016 0.00
4/16/2016 0.00
4/17/2016 0.00
4/18/2016 0.00
4/19/2016 0.00
4/20/2016 0.00
4/21/2016 0.00
4/22/2016 0.00
4/23/2016 0.16
4/24/2016 T
4/25/2016 **
4/26/2016 0.00
4/27/2016 0.00
4/28/2016 0.00
4/29/2016 0.36
4/30/2016 0.06
5/1/2016 **
5/2/2016 0.90
5/3/2016 0.53
5/4/2016 0.38
5/5/2016 0.07
5/6/2016 0.19
5/7/2016 1.11
5/8/2016 0.04
5/9/2016 0.00
5/10/2016 0.01
5/11/2016 0.15
5/12/2016 0.18
5/13/2016 T
5/14/2016 0.11
5/15/2016 0.09
5/16/2016 0.00
5/17/2016 0.00
5/18/2016 0.14
5/19/2016 0.01
5/20/2016 0.00
5/21/2016 0.41
5/22/2016 0.41
5/23/2016 0.29
5/24/2016 0.15
5/25/2016 0.00
5/26/2016 0.00
5/27/2016 0.00
5/28/2016 0.02
5/29/2016 0.00
5/30/2016 0.04
5/31/2016 0.00
6/1/2016 0.00
6/2/2016 0.00
6/3/2016 0.02
6/4/2016 0.66
6/5/2016 0.01
6/6/2016 0.65
6/7/2016 0.00
6/8/2016 0.21
6/9/2016 0.05
6/10/2016 0.00
6/11/2016 0.00
6/12/2016 0.00
6/13/2016 0.00
6/14/2016 0.00
6/15/2016 0.00
6/16/2016 0.85
6/17/2016 0.52
6/18/2016 0.00
6/19/2016 0.00
6/20/2016 0.00
6/21/2016 0.00
6/22/2016 1.66
6/23/2016 0.28
6/24/2016 0.00
6/25/2016 0.01
6/26/2016 0.00
6/27/2016 0.00
6/28/2016 0.06
6/29/2016 0.35
6/30/2016 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2016 0.00
7/2/2016 0.11
7/3/2016 0.00
7/4/2016 T
7/5/2016 0.59
7/6/2016 0.03
7/7/2016 0.00
7/8/2016 0.00
7/9/2016 0.03
7/10/2016 0.00
7/11/2016 0.00
7/12/2016 0.00
7/13/2016 0.00
7/14/2016 0.40
7/15/2016 0.00
7/16/2016 0.00
7/17/2016 0.05
7/18/2016 0.00
7/19/2016 0.31
7/20/2016 0.00
7/21/2016 0.00
7/22/2016 0.00
7/23/2016 0.00
7/24/2016 0.01
7/25/2016 0.02
7/26/2016 0.06
7/27/2016 0.00
7/28/2016 0.00
7/29/2016 1.35
7/30/2016 0.00
7/31/2016 2.33
8/1/2016 0.01
8/2/2016 0.04
8/3/2016 0.00
8/4/2016 0.00
8/5/2016 **
8/6/2016 **
8/7/2016 **
8/8/2016 **
8/9/2016 **
8/10/2016 **
8/11/2016 0.02
8/12/2016 0.00
8/13/2016 0.00
8/14/2016 0.00
8/15/2016 0.63
8/16/2016 1.80
8/17/2016 0.09
8/18/2016 1.21
8/19/2016 0.00
8/20/2016 0.00
8/21/2016 0.03
8/22/2016 0.10
8/23/2016 0.00
8/24/2016 0.00
8/25/2016 0.00
8/26/2016 0.00
8/27/2016 0.00
8/28/2016 0.00
8/29/2016 0.00
8/30/2016 0.00
8/31/2016 0.00
9/1/2016 1.36
9/2/2016 0.13
9/3/2016 0.00
9/4/2016 0.00
9/5/2016 0.00
9/6/2016 0.00
9/7/2016 0.00
9/8/2016 0.05
9/9/2016 0.00
9/10/2016 **
9/11/2016 **
9/12/2016 0.01
9/13/2016 0.00
9/14/2016 0.00
9/15/2016 0.00
9/16/2016 0.01
9/17/2016 0.00
9/18/2016 0.00
9/19/2016 T
9/20/2016 0.29
9/21/2016 0.00
9/22/2016 0.00
9/23/2016 0.00
9/24/2016 0.00
9/25/2016 0.00
9/26/2016 0.00
9/27/2016 0.20
9/28/2016 0.00
9/29/2016 0.72
9/30/2016 0.86



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2015 5:00 AM 0.05 0.0 0.00 0.0 0.00
10/2/2015 7:00 AM 0.40 0.0 0.00 0.0 0.00
10/3/2015 11:20 AM 1.10 0.0 0.00 0.0 0.00 Dreary wet pattern. Still misting this morning and upper 40s.
10/4/2015 8:55 AM 0.08 0.0 0.00 0.0 0.00
10/5/2015 5:05 AM 0.01 0.0 0.00 0.0 0.00
10/6/2015 6:05 AM 0.00 0.0 0.00 0.0 0.00
10/7/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00
10/8/2015 5:05 AM 0.00 0.0 0.00 0.0 0.00
10/9/2015 5:05 AM 0.00 0.0 M M M
10/10/2015 9:00 AM 0.10 0.0 0.00 0.0 0.00
10/11/2015 8:30 AM 0.00 0.0 0.00 0.0 0.00
10/12/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
10/13/2015 5:05 AM 0.00 0.0 0.00 0.0 0.00
10/14/2015 5:00 AM 0.01 0.0 0.00 0.0 0.00
10/15/2015 5:15 AM 0.00 0.0 0.00 0.0 0.00
10/16/2015 5:05 AM 0.00 0.0 0.00 0.0 0.00
10/17/2015 9:00 AM T 0.0 0.00 0.0 0.00
10/20/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
10/21/2015 5:10 AM 0.00 0.0 M M M
10/22/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
10/23/2015 5:05 AM 0.00 0.0 M M M
10/24/2015 10:00 AM 0.00 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
10/25/2015 7:55 AM 0.06 0.0 0.00 0.0 0.00
10/26/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
10/27/2015 5:10 AM 0.00 0.0 M M M 35° this morning... close to frosty but not quite.
10/28/2015 5:05 AM 0.05 0.0 0.00 0.0 0.00 Rain started about 11pm last night. Current rain is very light sprinkles/mist/drizzle.
10/29/2015 5:10 AM 2.25 0.0 0.00 0.0 0.00 Periods of rain and showers throughout the day. The heaviest rain fell in the evening (btw 630p-830p) with occasional rumbles of thunder. Rain was heavy enough to disrupt satellite reception.
10/30/2015 5:22 AM 0.01 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
10/31/2015 8:10 AM 0.00 0.0 M M M
11/1/2015 8:45 AM 0.02 0.0 0.00 0.0 0.00
11/2/2015 5:50 AM 0.00 0.0 0.00 0.0 0.00
11/3/2015 4:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2015 5:10 AM T 0.0 0.00 0.0 0.00 Fine mist
11/6/2015 5:00 AM T 0.0 0.00 0.0 0.00 Fog and mist early morning yesterday. Thick fog returned late in the evening with more mist.
11/7/2015 9:00 AM 0.01 0.0 0.00 0.0 0.00
11/8/2015 8:30 AM T 0.0 0.00 0.0 0.00
11/9/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00 frosty
11/10/2015 5:05 AM 0.56 0.0 0.00 0.0 0.00 Rain began yesterday afternoon. At present, misty drizzle.
11/11/2015 5:10 AM 0.28 0.0 0.00 0.0 0.00
11/12/2015 5:05 AM T 0.0 0.00 0.0 0.00 Fog/mist overnight
11/13/2015 5:10 AM 0.23 0.0 0.00 0.0 0.00 Showers during the day, Gusty FROPA around 9pm
11/14/2015 8:45 AM 0.00 0.0 0.00 0.0 0.00
12/1/2015 5:00 AM 0.30 0.0 0.00 0.0 0.00
12/2/2015 5:10 AM 0.57 0.0 0.00 0.0 0.00 Dense fog this morning
12/3/2015 5:05 AM 0.25 0.0 0.00 0.0 0.00
12/4/2015 6:30 AM 0.00 0.0 0.00 0.0 0.00
12/5/2015 8:00 AM 0.00 0.0 0.00 0.0 0.00 Everything totally frosted! Report submitted.
12/6/2015 9:10 AM 0.00 0.0 0.00 0.0 0.00 another frosty morning
12/7/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
12/8/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
12/9/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00
12/10/2015 5:15 AM 0.05 0.0 0.00 0.0 0.00
12/11/2015 5:05 AM 0.00 0.0 0.00 0.0 0.00
12/12/2015 7:30 AM 0.00 0.0 0.00 0.0 0.00
12/13/2015 9:00 AM T 0.0 0.00 0.0 0.00 Quick shower yesterday morning
12/14/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00 Record warmth over the weekend
12/15/2015 5:05 AM 0.12 0.0 0.00 0.0 0.00
12/16/2015 5:10 AM 0.00 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
12/17/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2015 8:45 AM 0.46 0.0 0.00 0.0 0.00
12/19/2015 11:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2015 8:40 AM 0.00 0.0 0.00 0.0 0.00
12/21/2015 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/22/2015 6:30 AM 0.16 0.0 0.00 0.0 0.00 Very mild (upper 40s) with light rain.
12/23/2015 5:05 AM 0.03 0.0 0.00 0.0 0.00 Fog is thick this morning.
12/24/2015 5:05 AM 1.09 0.0 0.00 0.0 0.00 Rain was very heavy between about 330-430pm. Extremely warm pattern continues. Current temp 63.
12/25/2015 8:40 AM 0.04 0.0 0.00 0.0 0.00
12/26/2015 8:30 AM 0.45 0.0 0.00 0.0 0.00 A very wet Christmas Day with fog.
12/27/2015 9:10 AM 0.01 0.0 0.00 0.0 0.00
12/28/2015 5:05 AM 0.01 0.0 0.00 0.0 0.00
12/29/2015 5:05 AM 0.83 0.0 0.00 0.0 0.00
12/30/2015 5:05 AM 0.04 0.0 0.00 0.0 0.00 Dense fog this morning.
12/31/2015 6:00 AM 0.01 0.0 0.00 0.0 0.00 Drizzly mist and sprinkles
1/1/2016 6:00 AM 0.00 0.0 M M M
1/2/2016 6:00 AM 0.00 0.0 M M M
1/3/2016 6:00 AM 0.00 0.0 M M M
1/4/2016 5:05 AM 0.00 0.0 M M M
1/5/2016 5:00 AM 0.00 0.0 M 0.0 0.00 Cold in the teens this morning. Missed out on yesterday's flurries.
1/6/2016 5:15 AM 0.00 0.0 0.00 0.0 0.00
1/7/2016 5:05 AM 0.00 0.0 0.00 0.0 0.00
1/8/2016 5:05 AM T 0.0 0.00 0.0 0.00
1/9/2016 10:10 AM 0.05 0.0 0.00 0.0 0.00
1/10/2016 9:10 AM 1.14 0.0 0.00 0.0 0.00 A bit misty in the morning. Heavy rain late in the evening after 9pm. Lower 50s and brisk today.
1/11/2016 5:10 AM 0.02 0.0 0.00 0.0 0.00 Gusty with passing rain showers in the morning. Pics of rainbow by neighbors.
1/12/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/13/2016 5:10 AM 0.01 T 0.01 0.0 0.00 Snow came in bursts during the afternoon and evening hours. Briefly coated some roads at 7pm. Sub-measurable at the house and took picture around 9pm. Nothing left on ground this morning.
1/14/2016 5:10 AM 0.00 0.0 M 0.0 M
1/15/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/16/2016 9:30 AM 0.42 0.0 0.00 0.0 0.00
1/17/2016 9:15 AM 0.00 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
1/18/2016 5:05 AM T T T T T Light snow between Noon-4pm, then a few flurries later. Cold 15 wind single digits wind chill this AM.
1/19/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/20/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/21/2016 5:00 AM 0.01 0.1 0.01 0.1 M Evening batch of snow produced thin coating
1/22/2016 4:00 AM 0.00 0.0 0.00 0.0 0.00 Crisp day with afternoon sun. High near 34. Existing snow sublimated. Current temp in the mid teens.
1/23/2016 5:00 AM 0.98 11.5 0.98 11.5 M Snow started between 145p-2p yesterday. Lots of blowing and drifting. One measurement up to 12.5" RG captured 0.98".
1/24/2016 8:00 AM 1.22 19.5 1.22 23.2 M Storm-total snow 31", with compacting and settling yesterday afternoon.
1/25/2016 5:00 AM 0.00 0.0 0.00 20.9 M Hope to get a core later
1/26/2016 5:00 AM 0.00 0.0 0.00 20.0 1.75 Was able to do a SWE core
1/27/2016 5:00 AM 0.01 0.0 0.00 16.0 M
1/28/2016 5:05 AM 0.00 0.0 0.00 13.0 M
1/29/2016 7:50 AM T T T 12.2 M A few flurries spotted this morning while I was measuring my snow depth.
2/3/2016 5:55 AM 0.04 0.0 0.00 6.1 2.02 Sprinkles and drizzle this morning. SWE core was done yesterday afternoon.
2/4/2016 5:00 AM 1.09 0.0 0.00 1.5 M Wet gray day with dense afternoon & evening snow fog. Rain fell mainly within a 8-10 hour period. It usually takes 2-3" rain to close Ijamsville Rd at the low bridge crossing. Wouldn't have the flooding without the melting snow, which provided 1-2" SWE. Grass now visible in parts of my yard.
2/5/2016 5:00 AM T T T 0.1 M
2/6/2016 10:00 AM T T T 0.1 M Flurries and snow showers but no new accumulation. Snow cover limited to back part of yard
2/7/2016 9:00 AM 0.00 0.0 0.00 0.1 M Cold and frosty.
2/8/2016 5:10 AM 0.00 0.0 0.00 0.1 M
2/9/2016 5:10 AM 0.09 0.2 0.09 0.3 M Some rain/snow showers late last night. Light snow currently. Thin accum on plants and car. Shaded 10% of yard still has about 1" snow cover from Jan. 22-23 blizzard.
2/10/2016 5:05 AM 0.42 4.3 0.42 3.0 M Snow became heavy by 5:30 a.m. Moderate to heavy in the morning, then light to very light afternoon. Some melting in the afternoon. Some grassy areas are visible this morning.
2/11/2016 5:05 AM 0.00 0.0 0.00 2.0 M
2/12/2016 5:00 AM 0.00 0.0 0.00 1.1 M Cold in the low teens this morning, but little to no wind.
2/13/2016 8:30 AM T 0.1 T 1.2 M Very light accumulation of dry snow
2/14/2016 9:15 AM T T T 1.0 M A few morning flurries
2/15/2016 8:00 AM 0.04 0.8 0.04 1.5 M Snow earlier this morning, ended before obs time.
2/16/2016 8:00 AM 0.87 2.2 0.87 3.5 M Snow, then sleet and freezing rain in the afternoon to evening. Rain this morning.
2/17/2016 8:00 AM 0.52 0.0 M 1.0 M Rain in the morning. Lots of melting. Back part of yard still has decent snow cover. I did a SWE near the back stairs (5-6" deep) and got 1.72", but that isn't really representative. Most of yard is 0-1".
2/18/2016 5:00 AM 0.00 0.0 0.00 0.2 M
2/19/2016 5:00 AM 0.00 0.0 0.00 0.2 M
2/24/2016 5:00 AM 0.35 T 0.35 0.0 0.00 Rain with a bit of sleet early yesterday morning, then rain. Misty drizzle currently.
2/25/2016 8:00 AM 1.45 0.0 M 0.0 0.00 Late afternoon squall line. Ltg within 2 miles at 5:39 p.m.
2/26/2016 5:00 AM T T T 0.0 0.00 A few afternoon flurries but no accumulation. Afternoon temps were in the upper 30s to lower 40s.
2/27/2016 10:00 AM 0.00 0.0 0.00 0.0 0.00
2/28/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00 Tulips are poking thru the soil
2/29/2016 5:45 AM 0.00 0.0 0.00 0.0 0.00 Happy Leap Day!
3/1/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/2/2016 5:00 AM 0.09 0.0 0.00 0.0 0.00
3/3/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/4/2016 5:00 AM 0.07 1.0 0.07 1.0 M Snow began last evening, with light dusting on grass by 9-930pm. A few lingering ice crystals this morning. Accumulation only on vegetation, the car and other elevated surfaces... nothing on my driveway.
3/5/2016 11:00 AM T T T 0.0 0.00 One more quick batch of light snow yesterday morning. Everything melted in the afternoon.
3/6/2016 9:15 AM T T T 0.0 0.00 Rain/snow mix about 2-4am this morning.
3/7/2016 4:00 AM 0.00 0.0 0.00 0.0 0.00
3/8/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/9/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/10/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/11/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00 Spring is here... blossoms on trees, daffodils out, pollen counts up... another day near 80 degrees.
3/12/2016 8:30 AM 0.00 0.0 0.00 0.0 0.00
3/13/2016 9:15 AM 0.02 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
3/14/2016 5:00 AM 0.93 0.0 0.00 0.0 0.00
3/15/2016 5:00 AM 0.05 0.0 0.00 0.0 0.00
3/16/2016 8:00 AM 0.01 0.0 0.00 0.0 0.00
3/17/2016 10:00 AM 0.00 0.0 0.00 0.0 0.00
3/18/2016 8:00 AM 0.00 0.0 0.00 0.0 0.00
3/19/2016 9:00 AM T 0.0 0.00 0.0 0.00 Chilly with sprinkles.
3/20/2016 9:00 AM 0.38 0.1 0.38 0.0 0.00 A mix of rain and snow. Snow accumulation on grass, cars, rooftops and decks early in the afternoon, melting prior to sunset.
3/21/2016 4:35 AM 0.00 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
3/22/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/23/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/24/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/25/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2016 10:00 AM 0.08 0.0 0.00 0.0 0.00
3/27/2016 9:00 AM 0.00 0.0 0.00 0.0 0.00
3/28/2016 5:00 AM 0.21 0.0 0.00 0.0 0.00
3/29/2016 5:00 AM 0.22 0.0 0.00 0.0 0.00
3/30/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/31/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/1/2016 10:15 AM T 0.0 0.00 0.0 0.00
4/2/2016 10:45 AM 0.55 0.0 0.00 0.0 0.00 Thunderstorm with heavy rain btw 430-6pm.
4/3/2016 9:30 AM 0.02 M M 0.0 0.00 Hellacious wind storm last night with numerous large trees down around the community.
4/4/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2016 5:05 AM 0.14 0.0 0.00 0.0 0.00
4/6/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/7/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/8/2016 5:00 AM 0.84 0.0 0.00 0.0 0.00
4/9/2016 7:30 AM 0.10 0.0 0.00 0.0 0.00
4/10/2016 8:30 AM T T T 0.0 0.00 A few afternoon flurries but no accumulation
4/11/2016 5:00 AM T 0.0 0.00 0.0 0.00
4/12/2016 5:00 AM 0.05 0.0 0.00 0.0 0.00
4/13/2016 5:00 AM 0.03 0.0 0.00 0.0 0.00
4/14/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/15/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2016 8:00 AM 0.00 0.0 0.00 0.0 0.00
4/17/2016 8:30 AM 0.00 0.0 0.00 0.0 0.00
4/18/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/19/2016 5:12 AM 0.00 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
4/20/2016 6:00 AM 0.00 0.0 M M M
4/21/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2016 9:55 AM 0.16 0.0 0.00 0.0 0.00
4/24/2016 9:15 AM T 0.0 0.00 0.0 0.00 Lingering sprinkles for a few more minutes after yesterday morning's observation.
4/27/2016 5:05 AM 0.00 0.0 0.00 0.0 0.00
4/28/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/29/2016 5:05 AM 0.36 0.0 0.00 0.0 0.00
4/30/2016 7:15 AM 0.06 0.0 0.00 0.0 0.00
5/3/2016 5:00 AM 0.53 M M M M Spectacular thunderstorms during the evening hours.
5/4/2016 5:00 AM 0.38 M M M M
5/5/2016 5:00 AM 0.07 M M M M
5/6/2016 9:35 AM 0.19 M M M M
5/7/2016 6:05 AM 1.11 0.0 0.00 0.0 0.00
5/8/2016 9:00 AM 0.04 0.0 0.00 0.0 0.00
5/9/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
5/10/2016 5:00 AM 0.01 M M M M
5/11/2016 5:00 AM 0.15 0.0 0.00 0.0 0.00
5/12/2016 5:05 AM 0.18 0.0 0.00 0.0 0.00 Rain keeps on falling. Found a mushroom on my deck. Grass grows tall again.
5/13/2016 5:07 AM T 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
5/14/2016 9:45 AM 0.11 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
5/15/2016 7:45 AM 0.09 0.0 0.00 0.0 0.00
5/16/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00 Finally, another dry report.
5/17/2016 5:10 AM 0.00 0.0 0.00 0.0 0.00
5/18/2016 5:00 AM 0.14 M M M M
5/19/2016 5:00 AM 0.01 M M M M
5/20/2016 5:00 AM 0.00 0.0 M M M
5/21/2016 9:15 AM 0.41 M M M M Not currently raining
5/22/2016 9:30 AM 0.41 M M M M
5/23/2016 5:00 AM 0.29 0.0 0.00 0.0 0.00
5/24/2016 6:00 AM 0.15 M M M M
5/25/2016 5:13 AM 0.00 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
5/26/2016 5:05 AM 0.00 0.0 0.00 0.0 0.00
5/27/2016 8:30 AM 0.00 0.0 0.00 0.0 0.00
5/28/2016 8:30 AM 0.02 0.0 0.00 0.0 0.00
5/29/2016 8:30 AM 0.00 0.0 0.00 0.0 0.00
5/30/2016 8:30 AM 0.04 0.0 0.00 0.0 0.00
5/31/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2016 5:00 AM 0.00 0.0 M M M
6/2/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
6/3/2016 5:00 AM 0.02 M M M M
6/4/2016 10:00 AM 0.66 M M M M
6/5/2016 9:00 AM 0.01 0.0 0.00 0.0 0.00 Submitted via CoCoRaHS Observer for Android version 1.1.13
6/6/2016 5:05 AM 0.65 M M M M Thunderstorm arrived ~4pm, briefly gusty.
6/7/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
6/8/2016 5:05 AM 0.21 M M M M Afternoon thunderstorm around 2:30 p.m.
6/9/2016 5:05 AM 0.05 0.0 0.00 0.0 0.00 Gusty line of showers in the late-morning, near 50 mph. Fall-like cold front brought dewpoints in the 40s and even 30s in the mountains.
6/10/2016 5:00 AM 0.00 0.0 M M M
6/11/2016 7:30 AM 0.00 0.0 0.00 0.0 0.00
6/12/2016 8:45 AM 0.00 0.0 M M M
6/13/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
6/14/2016 5:00 AM 0.00 0.0 M M M
6/15/2016 5:00 AM 0.00 0.0 M M M
6/16/2016 5:00 AM 0.85 M M M M Morning band of light rain <0.10", then late-night heavier showers ended by ~2am. Pavement steam fog at 230am
6/17/2016 5:10 AM 0.52 M M M M Morning batch of weak thunderstorms around 7:30. Late-evening thunderstorms began around 8:30. Strongest storms west of the Potomac.
6/18/2016 9:00 AM 0.00 0.0 M M M
6/19/2016 7:45 AM 0.00 0.0 M M M Sunny
6/20/2016 7:45 AM 0.00 0.0 M M M
6/21/2016 5:05 AM 0.00 0.0 M M M
6/22/2016 5:00 AM 1.66 0.0 M 0.0 M Severe thunderstorm came thru ~1pm, with observed gusts 50-60 mph. Additional thunderstorms in the vicinity from about 530pm to 9pm.
6/23/2016 10:15 AM 0.28 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.13
6/24/2016 8:45 AM 0.00 0.0 M M M
6/25/2016 9:00 AM 0.01 M M M M
6/26/2016 6:00 AM 0.00 0.0 M M M
6/27/2016 5:00 AM 0.00 0.0 0.00 0.0 0.00
6/28/2016 5:00 AM 0.06 0.0 0.00 0.0 0.00
6/29/2016 5:00 AM 0.35 0.0 0.00 0.0 0.00 Thunderstorm btw 430p-530p. Have pictures. Gusts 30-40 mph observed. Rainbows sighted by neighbors.
6/30/2016 5:00 AM 0.00 0.0 M 0.0 M
7/1/2016 5:00 AM 0.00 0.0 M M M
7/2/2016 8:00 AM 0.11 M M M M Early afternoon convective shower
7/3/2016 7:50 AM 0.00 0.0 M M M
7/4/2016 5:00 AM T 0.0 0.00 0.0 0.00
7/5/2016 5:05 AM 0.59 M M M M
7/6/2016 5:00 AM 0.03 M M M M lingering light rain in the morning
7/7/2016 5:00 AM 0.00 0.0 M M M
7/8/2016 5:00 AM 0.00 0.0 M M M
7/9/2016 9:00 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
7/10/2016 8:15 AM 0.00 0.0 M M M
7/11/2016 7:30 AM 0.00 0.0 M M M
7/12/2016 7:30 AM 0.00 0.0 M M M
7/13/2016 7:45 AM 0.00 0.0 M M M
7/14/2016 7:30 AM 0.40 M M M M Late-evening thunderstorm after 10pm.
7/15/2016 7:45 AM 0.00 0.0 M M M
7/16/2016 9:15 AM 0.00 0.0 M M M
7/17/2016 9:15 AM 0.05 M M M M Thunderstorm came around 5:30pm.
7/18/2016 5:00 AM 0.00 0.0 M M M
7/19/2016 4:40 AM 0.31 M M M M Thunderstorm btw 3:30p-4:30p
7/20/2016 5:00 AM 0.00 0.0 M M M
7/21/2016 5:00 AM 0.00 0.0 M M M
7/22/2016 5:00 AM 0.00 0.0 M M M
7/23/2016 6:00 AM 0.00 0.0 M M M
7/24/2016 9:30 AM 0.01 M M M M Brief shower between 615-630pm. No thunder.
7/25/2016 5:00 AM 0.02 0.0 0.00 0.0 0.00
7/26/2016 5:05 AM 0.06 M M M M Thunderstorm at around 5pm.
7/27/2016 4:30 AM 0.00 0.0 M M M
7/28/2016 5:05 AM 0.00 0.0 M M M
7/29/2016 9:00 AM 1.35 0.0 0.00 0.0 0.00 Occasional periods of rain, some thunder.
7/30/2016 9:00 AM 0.00 0.0 M M M
7/31/2016 9:00 AM 2.33 M M M M Several episodes of thunderstorms between 12p-8p. Torrential rain approx. 430-530p.
8/1/2016 4:00 AM 0.01 M M M M Brief afternoon sprinkles associated with thunderstorm over Montgomery County.
8/2/2016 5:05 AM 0.04 M M M M Early-afternoon shower
8/3/2016 5:00 AM 0.00 0.0 M M M
8/4/2016 5:05 AM 0.00 0.0 M M M
8/12/2016 5:00 AM 0.00 0.0 M M M
8/13/2016 9:00 AM 0.00 0.0 M M M
8/14/2016 9:00 AM 0.00 0.0 M M M
8/15/2016 5:00 AM 0.63 M M M M
8/16/2016 5:00 AM 1.80 0.0 0.00 0.0 0.00 First heard distant thunder 455-5p. Rain began 540-545p, very heavy with gusts of 40-45 mph. 1.76" at 620p. Rain ended by 645p.
8/17/2016 4:20 AM 0.09 M M M M
8/18/2016 5:00 AM 1.21 M M M M Fourth consecutive day with thunderstorms. Had brief event just before 630p w/rainbow then second wave started about 745p.
8/19/2016 5:00 AM 0.00 0.0 M M M
8/20/2016 9:00 AM 0.00 0.0 M M M
8/21/2016 9:15 AM 0.03 M M M M Submitted via CoCoRaHS Observer for Android version 1.1.14
8/22/2016 5:00 AM 0.10 M M M M
8/23/2016 5:00 AM 0.00 0.0 M M M
8/24/2016 5:00 AM 0.00 0.0 M M M
8/25/2016 5:00 AM 0.00 0.0 M M M
8/26/2016 5:00 AM 0.00 0.0 M M M
8/27/2016 9:00 AM 0.00 0.0 M M M
8/28/2016 9:00 AM 0.00 0.0 M M M
8/29/2016 5:30 AM 0.00 0.0 M M M
8/30/2016 5:00 AM 0.00 0.0 M M M
8/31/2016 5:00 AM 0.00 0.0 M M M 9 straight dry days
9/1/2016 5:00 AM 1.36 M M M M Late-night thunderstorm after 10 p.m., light sprinkles this morning. Radar shows band of showers just north.
9/2/2016 5:00 AM 0.13 M M M M
9/3/2016 7:30 AM 0.00 0.0 M M M
9/4/2016 8:15 AM 0.00 0.0 M M M
9/5/2016 5:00 AM 0.00 0.0 M M M
9/6/2016 5:00 AM 0.00 0.0 M M M
9/7/2016 5:00 AM 0.00 0.0 M M M
9/8/2016 5:00 AM 0.05 M M M M Western edge of T'storm in the evening.
9/9/2016 7:30 AM 0.00 0.0 M M M
9/13/2016 5:00 AM 0.00 0.0 M M M
9/14/2016 5:00 AM 0.00 0.0 M M M
9/15/2016 5:00 AM 0.00 0.0 M M M
9/16/2016 8:45 AM 0.01 M M M M
9/17/2016 9:00 AM 0.00 0.0 M M M
9/18/2016 8:30 AM 0.00 0.0 M M M
9/19/2016 5:00 AM T 0.0 0.00 0.0 0.00
9/20/2016 5:05 AM 0.29 0.0 0.00 0.0 0.00 Dense fog this morning.
9/21/2016 5:15 AM 0.00 0.0 0.00 0.0 0.00
9/22/2016 5:00 AM 0.00 0.0 M M M
9/23/2016 5:00 AM 0.00 0.0 M M M
9/24/2016 9:30 AM 0.00 0.0 M M M
9/25/2016 8:15 AM 0.00 0.0 M M M
9/26/2016 5:00 AM 0.00 0.0 M M M
9/27/2016 5:05 AM 0.20 0.0 0.00 0.0 0.00 Thunderstorm at about 8:15pm
9/28/2016 5:00 AM 0.00 0.0 M M M
9/29/2016 5:00 AM 0.72 0.0 0.00 0.0 0.00
9/30/2016 5:00 AM 0.86 M M M M Several periods of rain, heavy at times. Breezy and cool much of yesterday, calm this morning.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
10/18/2015 10/19/2015 5:15 AM 2 T 0.0 0.00 See frost report.
11/15/2015 11/30/2015 8:00 AM 16 0.45 0.0 0.00
1/30/2016 2/02/2016 5:05 AM 4 0.14 7.8 M A few snow showers on Jan. 29, Trace. Rain showers yesterday, 0.14". Lots of melting snow. Below freezing this morning.
2/20/2016 2/23/2016 5:00 AM 4 0.06 T M Rain late Saturday/early Sunday (Feb 20-21). Radar shows precip approaching this morning, but dry so far. Only one small patch of snow left near back stairs.
4/25/2016 4/26/2016 5:10 AM 2 0.00 0.0 0.00
5/1/2016 5/02/2016 5:05 AM 2 0.90 0.0 0.00 Heaviest rain fell before Noon Sunday.
8/5/2016 8/11/2016 5:05 AM 7 0.02 0.0 0.00 On August 9, surrounding stations showed 0.02" fell.
9/10/2016 9/12/2016 5:00 AM 3 0.01 0.0 0.00



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