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 19 3.38 4.20 31 4.20 31 0.00 0 0 11 1 0.0 0 0
Nov 19 3.43 2.54 30 2.50 15 0.04 15 1 3 4 0.0 0 0
Dec 19 3.21 4.58 31 3.76 29 0.82 2 1 11 4 1.7 2 2
Jan 20 2.83 2.64 31 1.60 19 1.04 12 2 3 2 1.5 1 1
Feb 20 2.69 3.51 29 3.51 29 0.00 0 0 13 6 0.0 0 0
March 20 3.68 2.91 31 2.91 31 0.00 0 0 16 2 0.0 0 0
April 20 3.49 3.77 30 3.16 28 0.61 2 1 14 4 0.0 0 0
May 20 4.34 3.78 31 3.78 31 0.00 0 0 11 3 0.0 0 0
June 20 3.70 4.93 30 4.50 27 0.43 3 1 9 1 0.0 0 0
July 20 3.84 1.26 31 0.95 26 0.31 5 1 8 0 0.0 0 0
Aug 20 3.04 6.03 31 6.03 31 0.00 0 0 18 1 0.0 0 0
Sept 20 4.04 3.62 30 3.26 21 0.36 9 1 7 0 0.0 0 0
Water Year Totals: 41.67" 43.77" 366 days 40.16" 318 3.61" 48 days 8 124 days 28 days 3.2" 3 days 3 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
10/1/2019 0.17
10/2/2019 0.00
10/3/2019 0.00
10/4/2019 0.00
10/5/2019 0.00
10/6/2019 0.00
10/7/2019 0.07
10/8/2019 0.24
10/9/2019 0.07
10/10/2019 0.00
10/11/2019 0.00
10/12/2019 0.00
10/13/2019 0.00
10/14/2019 0.00
10/15/2019 0.00
10/16/2019 0.00
10/17/2019 0.97
10/18/2019 T
10/19/2019 0.00
10/20/2019 0.13
10/21/2019 0.37
10/22/2019 0.00
10/23/2019 0.00
10/24/2019 0.00
10/25/2019 0.00
10/26/2019 0.01
10/27/2019 0.85
10/28/2019 0.66
10/29/2019 0.00
10/30/2019 0.00
10/31/2019 0.66
11/1/2019 1.81
11/2/2019 **
11/3/2019 **
11/4/2019 **
11/5/2019 **
11/6/2019 **
11/7/2019 **
11/8/2019 **
11/9/2019 **
11/10/2019 **
11/11/2019 **
11/12/2019 **
11/13/2019 **
11/14/2019 **
11/15/2019 **
11/16/2019 0.04
11/17/2019 0.00
11/18/2019 T
11/19/2019 T
11/20/2019 0.00
11/21/2019 0.00
11/22/2019 0.00
11/23/2019 T
11/24/2019 0.67
11/25/2019 0.02
11/26/2019 0.00
11/27/2019 0.00
11/28/2019 T
11/29/2019 0.00
11/30/2019 0.00
12/1/2019 0.07
12/2/2019 0.74
12/3/2019 0.01
12/4/2019 0.02
12/5/2019 T
12/6/2019 0.00
12/7/2019 T
12/8/2019 0.00
12/9/2019 0.00
12/10/2019 0.91
12/11/2019 0.31
12/12/2019 0.00
12/13/2019 0.00
12/14/2019 0.36
12/15/2019 0.37
12/16/2019 0.14
12/17/2019 0.72
12/18/2019 T
12/19/2019 T
12/20/2019 0.00
12/21/2019 0.00
12/22/2019 0.00
12/23/2019 0.00
12/24/2019 0.00
12/25/2019 0.00
12/26/2019 0.00
12/27/2019 0.00
12/28/2019 0.00
12/29/2019 **
12/30/2019 0.82
12/31/2019 0.11
Day of YearDaily PrcpMultiday Prcp
1/1/2020 0.00
1/2/2020 0.00
1/3/2020 **
1/4/2020 0.38
1/5/2020 0.05
1/6/2020 0.00
1/7/2020 0.00
1/8/2020 0.17
1/9/2020 T
1/10/2020 0.00
1/11/2020 T
1/12/2020 **
1/13/2020 **
1/14/2020 **
1/15/2020 **
1/16/2020 **
1/17/2020 **
1/18/2020 **
1/19/2020 **
1/20/2020 **
1/21/2020 0.66
1/22/2020 0.00
1/23/2020 0.00
1/24/2020 0.00
1/25/2020 1.38
1/26/2020 0.00
1/27/2020 0.00
1/28/2020 0.00
1/29/2020 0.00
1/30/2020 0.00
1/31/2020 0.00
2/1/2020 0.02
2/2/2020 0.12
2/3/2020 0.01
2/4/2020 T
2/5/2020 0.03
2/6/2020 0.89
2/7/2020 0.48
2/8/2020 0.26
2/9/2020 0.00
2/10/2020 T
2/11/2020 0.43
2/12/2020 0.15
2/13/2020 0.14
2/14/2020 0.11
2/15/2020 0.00
2/16/2020 0.00
2/17/2020 0.00
2/18/2020 0.00
2/19/2020 T
2/20/2020 0.00
2/21/2020 0.00
2/22/2020 0.00
2/23/2020 0.00
2/24/2020 0.00
2/25/2020 T
2/26/2020 0.11
2/27/2020 0.76
2/28/2020 T
2/29/2020 T
3/1/2020 0.00
3/2/2020 0.00
3/3/2020 0.07
3/4/2020 0.36
3/5/2020 0.00
3/6/2020 0.00
3/7/2020 0.03
3/8/2020 0.00
3/9/2020 0.00
3/10/2020 0.00
3/11/2020 0.06
3/12/2020 0.01
3/13/2020 0.30
3/14/2020 0.00
3/15/2020 0.40
3/16/2020 0.00
3/17/2020 0.01
3/18/2020 0.00
3/19/2020 0.54
3/20/2020 0.00
3/21/2020 T
3/22/2020 0.00
3/23/2020 0.02
3/24/2020 0.27
3/25/2020 0.01
3/26/2020 0.26
3/27/2020 0.01
3/28/2020 0.50
3/29/2020 0.06
3/30/2020 T
3/31/2020 0.00
Day of YearDaily PrcpMultiday Prcp
4/1/2020 0.22
4/2/2020 0.01
4/3/2020 0.00
4/4/2020 T
4/5/2020 0.00
4/6/2020 0.00
4/7/2020 T
4/8/2020 0.13
4/9/2020 0.19
4/10/2020 0.01
4/11/2020 T
4/12/2020 0.00
4/13/2020 1.28
4/14/2020 0.20
4/15/2020 0.18
4/16/2020 0.00
4/17/2020 0.00
4/18/2020 0.04
4/19/2020 0.00
4/20/2020 0.00
4/21/2020 0.00
4/22/2020 0.02
4/23/2020 0.00
4/24/2020 0.69
4/25/2020 0.07
4/26/2020 **
4/27/2020 0.61
4/28/2020 T
4/29/2020 0.02
4/30/2020 0.10
5/1/2020 1.75
5/2/2020 T
5/3/2020 0.00
5/4/2020 0.21
5/5/2020 0.00
5/6/2020 0.24
5/7/2020 0.27
5/8/2020 0.00
5/9/2020 0.54
5/10/2020 0.00
5/11/2020 0.01
5/12/2020 0.00
5/13/2020 0.00
5/14/2020 0.00
5/15/2020 0.13
5/16/2020 0.00
5/17/2020 0.00
5/18/2020 T
5/19/2020 0.00
5/20/2020 0.00
5/21/2020 0.00
5/22/2020 0.05
5/23/2020 0.51
5/24/2020 T
5/25/2020 0.00
5/26/2020 0.00
5/27/2020 0.00
5/28/2020 0.04
5/29/2020 0.00
5/30/2020 0.03
5/31/2020 0.00
6/1/2020 0.00
6/2/2020 T
6/3/2020 **
6/4/2020 **
6/5/2020 0.43
6/6/2020 1.40
6/7/2020 0.00
6/8/2020 0.00
6/9/2020 0.00
6/10/2020 0.00
6/11/2020 0.83
6/12/2020 0.00
6/13/2020 0.00
6/14/2020 0.00
6/15/2020 0.00
6/16/2020 0.00
6/17/2020 0.00
6/18/2020 0.28
6/19/2020 0.01
6/20/2020 0.59
6/21/2020 0.03
6/22/2020 0.00
6/23/2020 0.74
6/24/2020 0.55
6/25/2020 0.00
6/26/2020 0.07
6/27/2020 0.00
6/28/2020 0.00
6/29/2020 0.00
6/30/2020 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2020 0.01
7/2/2020 0.01
7/3/2020 0.00
7/4/2020 0.00
7/5/2020 0.00
7/6/2020 0.00
7/7/2020 0.00
7/8/2020 0.00
7/9/2020 0.00
7/10/2020 **
7/11/2020 **
7/12/2020 **
7/13/2020 **
7/14/2020 0.31
7/15/2020 0.00
7/16/2020 0.00
7/17/2020 0.21
7/18/2020 0.00
7/19/2020 0.00
7/20/2020 0.00
7/21/2020 0.00
7/22/2020 0.02
7/23/2020 0.25
7/24/2020 0.27
7/25/2020 0.01
7/26/2020 0.00
7/27/2020 0.00
7/28/2020 0.00
7/29/2020 0.00
7/30/2020 0.00
7/31/2020 0.17
8/1/2020 0.17
8/2/2020 0.02
8/3/2020 0.00
8/4/2020 1.10
8/5/2020 0.69
8/6/2020 0.09
8/7/2020 1.86
8/8/2020 0.04
8/9/2020 0.00
8/10/2020 0.00
8/11/2020 0.00
8/12/2020 0.00
8/13/2020 0.05
8/14/2020 0.02
8/15/2020 0.03
8/16/2020 0.39
8/17/2020 0.02
8/18/2020 T
8/19/2020 0.00
8/20/2020 0.09
8/21/2020 0.00
8/22/2020 0.02
8/23/2020 0.00
8/24/2020 0.27
8/25/2020 0.00
8/26/2020 0.19
8/27/2020 0.00
8/28/2020 0.00
8/29/2020 0.20
8/30/2020 0.78
8/31/2020 0.00
9/1/2020 0.35
9/2/2020 0.38
9/3/2020 1.26
9/4/2020 0.68
9/5/2020 0.00
9/6/2020 **
9/7/2020 **
9/8/2020 **
9/9/2020 **
9/10/2020 **
9/11/2020 **
9/12/2020 **
9/13/2020 **
9/14/2020 0.36
9/15/2020 0.00
9/16/2020 0.00
9/17/2020 0.00
9/18/2020 0.00
9/19/2020 0.00
9/20/2020 0.00
9/21/2020 0.00
9/22/2020 0.00
9/23/2020 0.00
9/24/2020 0.00
9/25/2020 0.00
9/26/2020 0.17
9/27/2020 0.01
9/28/2020 0.00
9/29/2020 0.00
9/30/2020 0.41



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2019 8:00 AM 0.17 M M M M Bands of rain yesterday between 8 a.m. and 2 p.m.
10/2/2019 8:00 AM 0.00 0.0 M M M
10/3/2019 6:55 AM 0.00 0.0 M M M Humid gray morning, low 70s and calm
10/4/2019 7:00 AM 0.00 0.0 M M M
10/5/2019 11:00 AM 0.00 0.0 M M M
10/6/2019 8:00 AM 0.00 0.0 M M M
10/7/2019 5:00 AM 0.07 M M M M
10/8/2019 6:55 AM 0.24 M M M M A cold front came through.
10/9/2019 9:00 AM 0.07 M M M M
10/10/2019 7:00 AM 0.00 0.0 M M M
10/11/2019 5:00 AM 0.00 0.0 M M M
10/12/2019 8:30 AM 0.00 M M M M
10/13/2019 8:30 AM 0.00 0.0 M M M
10/14/2019 6:00 AM 0.00 0.0 M M M
10/15/2019 6:00 AM 0.00 0.0 M M M
10/16/2019 6:55 AM 0.00 0.0 M M M Starting to see fall color
10/17/2019 7:45 AM 0.97 0.0 0.00 0.0 0.00 Rained almost entirely while I was at work. A few spitty drips this morning. Brisk winds, with a couple twigs and small branches on the ground.
10/18/2019 7:00 AM T M M M M
10/19/2019 8:00 AM 0.00 0.0 M M M
10/20/2019 9:00 AM 0.13 M M M M
10/21/2019 5:00 AM 0.37 M M M M
10/22/2019 4:50 AM 0.00 0.0 M M M
10/23/2019 4:55 AM 0.00 0.0 0.00 0.0 0.00 Morning FG/DZ, then band of rain with cold front
10/24/2019 5:00 AM 0.00 0.0 M M M Crisp calm clear morning
10/25/2019 5:00 AM 0.00 0.0 M M M
10/26/2019 8:15 AM 0.01 M M M M
10/27/2019 8:45 AM 0.85 M M M M frontal rain in progress
10/28/2019 3:22 AM 0.66 M M M M
10/29/2019 8:45 AM 0.00 0.0 M M M
10/30/2019 7:00 AM 0.00 0.0 M M M
10/31/2019 8:35 AM 0.66 0.0 0.00 0.0 0.00 humid and drizzly
11/1/2019 9:00 AM 1.81 M M M M robust cold front with evening thunderstorms
11/17/2019 10:30 AM 0.00 0.0 0.00 0.0 0.00
11/18/2019 6:55 AM T 0.0 0.00 0.0 0.00
11/19/2019 7:00 AM T 0.0 0.00 0.0 0.00 Drizzly mist w/fog yesterday morning
11/20/2019 5:55 AM 0.00 0.0 M M M
11/21/2019 7:00 AM 0.00 0.0 M M M
11/22/2019 4:50 AM 0.00 0.0 M M M
11/23/2019 8:30 AM T M M M M
11/24/2019 7:55 AM 0.67 0.0 0.00 0.0 0.00 Low pressure from the Southeast brought notable late-nite rain. Cool and brisk this morning
11/25/2019 6:55 AM 0.02 0.0 0.00 0.0 0.00
11/26/2019 6:00 AM 0.00 0.0 M M M
11/27/2019 6:50 AM 0.00 0.0 M M M
11/28/2019 7:00 AM T 0.0 0.00 0.0 0.00 Brief shower around 7a yesterday. Windy last night.
11/29/2019 8:00 AM 0.00 0.0 M M M
11/30/2019 8:00 AM 0.00 0.0 M M M
12/1/2019 8:45 AM 0.07 0.0 0.00 0.0 0.00 very light rain/drizzle
12/2/2019 3:20 AM 0.74 0.0 0.00 0.0 0.00
12/3/2019 5:00 AM 0.01 M M 0.0 0.00
12/4/2019 4:15 AM 0.02 T M 0.0 0.00 Overnite rain/snow mix but no snow accum. Just wet in the mid-upper 30s at obs time.
12/5/2019 5:00 AM T M M 0.0 0.00 Afternoon showers
12/6/2019 3:00 AM 0.00 0.0 M 0.0 0.00
12/7/2019 8:30 AM T 0.0 0.00 0.0 0.00
12/8/2019 9:00 AM 0.00 0.0 0.00 0.0 0.00 frosty morning
12/9/2019 6:45 AM 0.00 0.0 0.00 0.0 0.00
12/10/2019 8:45 AM 0.91 0.0 0.00 0.0 0.00
12/11/2019 7:00 AM 0.31 0.2 M 0.1 M Rain changed to snow late last nite. Light coating on cars, grass, elevated objects.
12/12/2019 8:00 AM 0.00 0.0 0.00 T M
12/13/2019 7:00 AM 0.00 0.0 0.00 T M
12/14/2019 9:55 AM 0.36 0.0 0.00 0.0 0.00
12/15/2019 8:45 AM 0.37 0.0 0.00 0.0 0.00
12/16/2019 8:00 AM 0.14 1.5 0.14 1.5 0.14 Overnite light snow. Currently very light drizzle/mist.
12/17/2019 8:00 AM 0.72 0.0 0.00 T M Drizzly sprinkles during the day, then late-night rain. Foggy this morning. Patches of snow still left.
12/18/2019 8:00 AM T 0.0 0.00 0.0 0.00 Some lingering drizzle yesterday
12/19/2019 6:50 AM T T T T M Arctic front brought flurries and snow showers.
12/20/2019 4:50 AM 0.00 0.0 0.00 0.0 0.00
12/21/2019 8:00 AM 0.00 0.0 M M M
12/22/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/24/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/25/2019 6:00 AM 0.00 0.0 M M M
12/26/2019 6:00 AM 0.00 0.0 M M M
12/27/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 Pleasantly warm.
12/28/2019 10:00 AM 0.00 0.0 M M M
12/31/2019 8:00 AM 0.11 0.0 0.00 0.0 0.00 A warm New Years Eve morning. A hint of fog with low clouds.
1/1/2020 7:11 AM 0.00 0.0 0.00 0.0 0.00 HAPPY NEW YEAR!!! Mild end to 2019. Kicking off 2020 and it's cloudy and calm this morning in the lower 40s.
1/2/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Calm and frosty this morning
1/5/2020 10:00 AM 0.05 M M M M
1/6/2020 6:50 AM 0.00 0.0 0.00 0.0 0.00
1/7/2020 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/8/2020 5:00 AM 0.17 1.5 0.17 1.5 0.15 Snow began shortly after Noon, ended by 6 p.m.
1/9/2020 4:00 AM T T T T M
1/10/2020 5:00 AM 0.00 0.0 0.00 T M
1/11/2020 9:35 AM T 0.0 0.00 0.0 0.00
1/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2020 6:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2020 6:59 AM 0.00 M M M M
1/25/2020 8:00 AM 1.38 M M M M
1/26/2020 8:30 AM 0.00 0.0 M M M
1/27/2020 7:01 AM 0.00 M M M M
1/28/2020 5:11 AM 0.00 M M M M
1/29/2020 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/30/2020 4:55 AM 0.00 0.0 0.00 0.0 0.00
1/31/2020 4:50 AM 0.00 0.0 0.00 0.0 0.00
2/1/2020 8:00 AM 0.02 M M 0.0 0.00
2/2/2020 8:00 AM 0.12 0.0 0.00 0.0 0.00
2/3/2020 6:55 AM 0.01 M M 0.0 0.00 Brief rain and rain/snow shower before Noon
2/4/2020 7:55 AM T 0.0 0.00 0.0 0.00 Sprinkles at obs time
2/5/2020 7:00 AM 0.03 0.0 0.00 0.0 0.00
2/6/2020 7:00 AM 0.89 0.0 0.00 0.0 0.00
2/7/2020 6:50 AM 0.48 0.0 0.00 0.0 0.00
2/8/2020 9:00 AM 0.26 M M M M
2/9/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
2/10/2020 4:55 AM T 0.0 0.00 0.0 0.00
2/11/2020 5:00 AM 0.43 0.0 0.00 0.0 0.00
2/12/2020 5:00 AM 0.15 0.0 0.00 0.0 0.00
2/13/2020 5:00 AM 0.14 T M 0.0 0.00 Rain yesterday evening, with brief sleet mixed in at around 5p.
2/14/2020 7:00 AM 0.11 0.0 0.00 0.0 0.00
2/15/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00 Winter is back.
2/16/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
2/17/2020 6:55 AM 0.00 0.0 0.00 0.0 0.00
2/18/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00
2/19/2020 7:00 AM T 0.0 0.00 0.0 0.00
2/20/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/21/2020 6:54 AM 0.00 0.0 0.00 0.0 0.00
2/22/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/23/2020 9:00 AM 0.00 0.0 M M M
2/24/2020 5:00 AM 0.00 0.0 0.00 0.0 0.00 Some of my yellow crocus have emerged
2/25/2020 5:00 AM T 0.0 0.00 0.0 0.00
2/26/2020 5:00 AM 0.11 0.0 0.00 0.0 0.00
2/27/2020 4:55 AM 0.76 0.0 0.00 0.0 0.00 Thunderstorms in a line at 10:55pm
2/28/2020 4:50 AM T M M 0.0 0.00 A few flurries late in the afternoon around 5p.
2/29/2020 9:00 AM T T M 0.0 0.00 A few flurries yesterday
3/1/2020 7:50 AM 0.00 0.0 0.00 0.0 0.00 Not even a Leap Day could salvage what was essentially a snow-less February
3/2/2020 6:45 AM 0.00 0.0 0.00 0.0 0.00
3/3/2020 7:55 AM 0.07 0.0 0.00 0.0 0.00
3/4/2020 7:00 AM 0.36 0.0 0.00 0.0 0.00 Surprisingly gusty winds (up to 60 mph in spots) late last night.
3/5/2020 6:50 AM 0.00 0.0 0.00 0.0 0.00
3/6/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 slightly frosty
3/7/2020 8:00 AM 0.03 M M 0.0 0.00
3/8/2020 9:00 AM 0.00 0.0 0.00 0.0 0.00 some frost present
3/9/2020 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/10/2020 4:55 AM 0.00 0.0 M M M
3/11/2020 4:55 AM 0.06 0.0 0.00 0.0 0.00
3/12/2020 4:50 AM 0.01 0.0 0.00 0.0 0.00
3/13/2020 4:55 AM 0.30 0.0 0.00 0.0 0.00
3/14/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
3/15/2020 9:20 AM 0.40 M M M M
3/16/2020 7:10 AM 0.00 M M M M
3/17/2020 7:55 AM 0.01 0.0 0.00 0.0 0.00
3/18/2020 6:00 AM 0.00 M M M M
3/19/2020 10:00 AM 0.54 M M M M
3/20/2020 9:00 AM 0.00 0.0 M M M
3/21/2020 8:15 AM T 0.0 0.00 0.0 0.00
3/22/2020 8:00 AM 0.00 0.0 M M M
3/23/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00 Cloudy, cool, calm.
3/24/2020 8:30 AM 0.27 0.0 0.00 0.0 0.00
3/25/2020 5:55 AM 0.01 0.0 0.00 0.0 0.00
3/26/2020 7:30 AM 0.26 0.0 0.00 0.0 0.00
3/27/2020 5:40 AM 0.01 0.0 0.00 0.0 0.00
3/28/2020 6:00 AM 0.50 0.0 0.00 0.0 0.00 Thunderstorm at 7:30 a.m.
3/29/2020 8:00 AM 0.06 0.0 0.00 0.0 0.00
3/30/2020 6:00 AM T 0.0 0.00 0.0 0.00 Early morning mist yesterday.
3/31/2020 6:20 AM 0.00 0.0 0.00 0.0 0.00
4/1/2020 8:20 AM 0.22 M M M M
4/2/2020 8:00 AM 0.01 0.0 0.00 0.0 0.00
4/3/2020 6:45 AM 0.00 0.0 M M M
4/4/2020 9:00 AM T M M M M
4/5/2020 9:00 AM 0.00 0.0 M M M
4/6/2020 7:45 AM 0.00 0.0 M M M
4/7/2020 6:45 AM T 0.0 0.00 0.0 0.00
4/8/2020 7:50 AM 0.13 0.0 0.00 0.0 0.00 A few passing showers yesterday, then a robust line of thunderstorms at 3:40 a.m.
4/9/2020 8:00 AM 0.19 0.0 0.00 0.0 0.00
4/10/2020 6:40 AM 0.01 M M M M Windy afternoon. Some light tree limbs down.
4/11/2020 8:00 AM T T M 0.0 0.00 Flurries around 11 a.m. No accumulation.
4/12/2020 8:45 AM 0.00 0.0 0.00 0.0 0.00 Lovely Day
4/13/2020 8:30 AM 1.28 0.0 0.00 0.0 0.00 Heavy rain earlier this morning. Breezy outside but currently dry.
4/14/2020 6:45 AM 0.20 0.0 0.00 0.0 0.00 Early afternoon thunderstorm
4/15/2020 7:50 AM 0.18 0.0 0.00 0.0 0.00
4/16/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00 Crisp day with lots of sun
4/17/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00 Light frost
4/18/2020 8:45 AM 0.04 0.0 0.00 0.0 0.00 Overnite rain
4/19/2020 8:00 AM 0.00 0.0 M M M
4/20/2020 8:15 AM 0.00 0.0 0.00 0.0 0.00
4/21/2020 7:45 AM 0.00 0.0 0.00 0.0 0.00
4/22/2020 7:45 AM 0.02 0.0 0.00 0.0 0.00 A couple robust showers, rather windy. Tree damage reported about 3 miles south blocking main road.
4/23/2020 7:45 AM 0.00 0.0 M M M
4/24/2020 6:50 AM 0.69 0.0 0.00 0.0 0.00 Very light rain at obs time
4/25/2020 8:30 AM 0.07 0.0 0.00 0.0 0.00 Dissipating fog
4/28/2020 7:50 AM T 0.0 0.00 0.0 0.00
4/29/2020 6:45 AM 0.02 0.0 0.00 0.0 0.00
4/30/2020 6:50 AM 0.10 0.0 0.00 0.0 0.00
5/1/2020 6:50 AM 1.75 0.0 0.00 0.0 0.00 Rained most of the day, ended around 7 p.m. Rain was heavy at times.
5/2/2020 6:50 AM T 0.0 0.00 0.0 0.00
5/3/2020 8:30 AM 0.00 0.0 M M M
5/4/2020 9:00 AM 0.21 0.0 0.00 0.0 0.00
5/5/2020 7:30 AM 0.00 0.0 0.00 0.0 0.00
5/6/2020 8:00 AM 0.24 0.0 0.00 0.0 0.00
5/7/2020 8:30 AM 0.27 M M M M
5/8/2020 7:15 AM 0.00 M M M M
5/9/2020 8:00 AM 0.54 0.0 0.00 0.0 0.00
5/10/2020 8:00 AM 0.00 0.0 M M M
5/11/2020 8:00 AM 0.01 0.0 0.00 0.0 0.00
5/12/2020 8:00 AM 0.00 0.0 M M M
5/13/2020 8:00 AM 0.00 0.0 M M M
5/14/2020 8:00 AM 0.00 M M M M
5/15/2020 8:00 AM 0.13 0.0 0.00 0.0 0.00
5/16/2020 6:00 AM 0.00 0.0 M M M
5/17/2020 8:00 AM 0.00 0.0 M M M
5/18/2020 7:15 AM T 0.0 0.00 0.0 0.00
5/19/2020 8:00 AM 0.00 0.0 M M M
5/20/2020 8:00 AM 0.00 0.0 M M M
5/21/2020 8:00 AM 0.00 0.0 M M M
5/22/2020 7:45 AM 0.05 0.0 0.00 0.0 0.00
5/23/2020 8:00 AM 0.51 M M M M
5/24/2020 7:30 AM T M M M M A bit of morning mist today
5/25/2020 7:45 AM 0.00 0.0 M M M
5/26/2020 7:00 AM 0.00 0.0 M M M
5/27/2020 7:30 AM 0.00 0.0 M M M
5/28/2020 7:30 AM 0.04 0.0 0.00 0.0 0.00
5/29/2020 7:00 AM 0.00 0.0 M M M
5/30/2020 8:00 AM 0.03 0.0 0.00 0.0 0.00
5/31/2020 8:00 AM 0.00 0.0 M M M
6/1/2020 7:00 AM 0.00 0.0 M M M
6/2/2020 8:30 AM T 0.0 0.00 0.0 0.00 Cloudy with brief very light shower this morning. Calm. Humidity back up.
6/6/2020 8:30 AM 1.40 0.0 0.00 0.0 0.00 heavy thunderstorm rain last night
6/7/2020 7:00 AM 0.00 0.0 M M M
6/8/2020 7:00 AM 0.00 0.0 M M M
6/9/2020 7:30 AM 0.00 0.0 M M M
6/10/2020 7:30 AM 0.00 0.0 M M M
6/11/2020 7:30 AM 0.83 0.0 0.00 0.0 0.00 Multiple t'storms btw 5:30p and Midnight. Brief gusts of 40-50 mph (estimated) around 7:45p and around 10:15p
6/12/2020 7:00 AM 0.00 0.0 M M M
6/13/2020 7:30 AM 0.00 0.0 M M M Pleasant w/low humidity
6/14/2020 7:15 AM 0.00 0.0 M M M
6/15/2020 7:00 AM 0.00 0.0 M M M
6/16/2020 7:00 AM 0.00 0.0 M M M
6/17/2020 5:30 AM 0.00 0.0 M M M
6/18/2020 7:30 AM 0.28 M M M M
6/19/2020 6:46 AM 0.01 0.0 0.00 0.0 0.00
6/20/2020 7:50 AM 0.59 M M M M multiple evening t'storms
6/21/2020 8:00 AM 0.03 M M M M
6/22/2020 7:00 AM 0.00 0.0 M M M
6/23/2020 6:35 AM 0.74 M M M M multiple storms with very heavy rain. peak gusts 30-40 mph (estimated). shallow fog this morning.
6/24/2020 7:00 AM 0.55 0.0 0.00 0.0 0.00 late-evening t'storm after 9 p.m.
6/25/2020 6:00 AM 0.00 0.0 M M M
6/26/2020 7:50 AM 0.07 M M M M
6/27/2020 8:00 AM 0.00 0.0 M M M
6/28/2020 8:00 AM 0.00 0.0 M M M
6/29/2020 7:00 AM 0.00 0.0 M M M
6/30/2020 7:15 AM 0.00 0.0 0.00 0.0 0.00
7/1/2020 7:00 AM 0.01 M M M M
7/2/2020 7:14 AM 0.01 M M M M brief afternoon shower
7/3/2020 7:00 AM 0.00 0.0 M M M
7/4/2020 8:00 AM 0.00 0.0 M M M
7/5/2020 8:30 AM 0.00 0.0 M M M
7/6/2020 8:00 AM 0.00 0.0 M M M Could use some rain. Grass has faded with the recent heat and mainly dry spell. On the plus side, it's super easy to mow.
7/7/2020 6:50 AM 0.00 M M M M
7/8/2020 8:00 AM 0.00 0.0 M M M
7/9/2020 8:00 AM 0.00 0.0 M M M
7/15/2020 7:00 AM 0.00 0.0 M M M
7/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2020 7:00 AM 0.21 M M M M
7/18/2020 8:30 AM 0.00 0.0 0.00 0.0 0.00
7/19/2020 8:00 AM 0.00 0.0 M M M
7/20/2020 7:09 AM 0.00 M M M M
7/21/2020 7:08 AM 0.00 M M M M
7/22/2020 7:30 AM 0.02 0.0 0.00 0.0 0.00 Thunderstorm arrived shortly before 7 p.m. Meat of storm passed to the north, so not much rain. Several minutes of outflow, with estimated gusts up to around 30 mph.
7/23/2020 7:00 AM 0.25 M M M M T'storms in the latter part of the afternoon.
7/24/2020 7:10 AM 0.27 M M M M
7/25/2020 7:15 AM 0.01 M M M M A couple of brief showers
7/26/2020 9:00 AM 0.00 0.0 M M M
7/27/2020 8:00 AM 0.00 0.0 M M M
7/28/2020 7:00 AM 0.00 0.0 M M M
7/29/2020 7:00 AM 0.00 0.0 M M M
7/30/2020 8:00 AM 0.00 0.0 M M M A very dry month about complete. In the running for top 5 dry month (since Sep 2011).
7/31/2020 7:52 AM 0.17 0.0 0.00 0.0 0.00 light rain at obs time
8/1/2020 8:45 AM 0.17 0.0 0.00 0.0 0.00 Periodic showers ended during the evening. Fog developed by 10 p.m. Mainly cloudy this morning and calm.
8/2/2020 7:45 AM 0.02 0.0 0.00 0.0 0.00 late-nite showers. Very humid this morning. Mainly cloudy and calm.
8/3/2020 8:00 AM 0.00 0.0 0.00 0.0 0.00
8/4/2020 7:30 AM 1.10 0.0 0.00 0.0 0.00 VCTS 5:50p, 0.43" at 7:30p. TS Isaias rain ongoing. Currently light-to-moderate
8/5/2020 8:30 AM 0.69 M M M M Morning rain moderate to heavy as TS Isaias lifted northward. Never really had much wind. Partly sunny afternoon then brief showers. Sunny this morning and calm.
8/6/2020 8:00 AM 0.09 M M M M
8/7/2020 8:00 AM 1.86 0.0 0.00 0.0 0.00 heavy afternoon shower, late-evening t'storm
8/8/2020 7:30 AM 0.04 0.0 0.00 0.0 0.00 t'storm at 3:30p
8/9/2020 8:00 AM 0.00 0.0 M M M
8/10/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/11/2020 6:40 AM 0.00 M M M M
8/12/2020 4:30 AM 0.00 0.0 0.00 0.0 0.00
8/13/2020 6:00 AM 0.05 0.0 0.00 0.0 0.00 A hot and humid afternoon. Thunderstorms rolled around the area, including one within 2 miles at 6:40 p.m., but only got the light parts. Rain was heavy enough to the south/southwest to interrupt satellite reception. A few sprinkles at obs time today.
8/14/2020 7:00 AM 0.02 0.0 0.00 0.0 0.00
8/15/2020 9:35 AM 0.03 M M M M
8/16/2020 7:30 AM 0.39 M M M M light rain at obs time
8/17/2020 4:30 AM 0.02 M M M M Shallow fog developing
8/18/2020 4:30 AM T M M M M
8/19/2020 4:30 AM 0.00 0.0 M M M
8/20/2020 7:30 AM 0.09 M M M M morning showers yesterday. beautiful and comfortable this morning.
8/21/2020 6:00 AM 0.00 0.0 M M M
8/22/2020 8:30 AM 0.02 M M M M
8/23/2020 8:00 AM 0.00 0.0 M M M
8/24/2020 6:30 AM 0.27 M M M M A severe storm faded as it moved out of Frederick County. Saw the shelf cloud, but gusts at my location were approximately 35-40 mph. Rain lasted ~20 minutes.
8/25/2020 6:00 AM 0.00 0.0 M M M
8/26/2020 2:45 AM 0.19 M M M M Hot afternoon with a bit of a breeze. Thunderstorm between 6:30p-7p. Currently calm with a few clouds.
8/27/2020 4:00 AM 0.00 0.0 M M M
8/28/2020 8:00 AM 0.00 0.0 M M M
8/29/2020 8:50 AM 0.20 0.0 0.00 0.0 0.00 Several thunderstorms late yesterday afternoon with occasional heavy rain. Light sprinkles this morning.
8/30/2020 8:00 AM 0.78 M M M M
8/31/2020 7:50 AM 0.00 M M M M
9/1/2020 2:30 AM 0.35 M M M M
9/2/2020 2:45 AM 0.38 0.0 0.00 0.0 0.00
9/3/2020 8:00 AM 1.26 M M M M Strong line of thunderstorms. Sheets of rain blocked out satellite transmission for nearly 25 minutes. Gusty up to approx 40-45 mph. One tree reported down about 0.5 mile away.
9/4/2020 7:30 AM 0.68 0.0 0.00 0.0 0.00 Afternoon thunderstorms. Sunny and calm this morning, not as humid.
9/5/2020 8:15 AM 0.00 M M M M
9/15/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 High haze yesterday associated with smoke particulates from the northwest US. Sky is a bit more blue this morning.
9/17/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 Have high-level haze present. Looks milky white aloft.
9/18/2020 7:00 AM 0.00 0.0 0.00 0.0 0.00 There were some sprinkles around Ballenger Creek Park last night, but nothing around my area. Still some hints of smoky air aloft, but seeing more blue today than yesterday.
9/19/2020 8:00 AM 0.00 M M M M
9/20/2020 7:30 AM 0.00 0.0 M M M many rooftops had light frost
9/21/2020 4:30 AM 0.00 0.0 0.00 0.0 0.00
9/22/2020 7:15 AM 0.00 0.0 0.00 0.0 0.00 A bit of frost on some rooftops this morning
9/23/2020 7:00 AM 0.00 0.0 M M M
9/24/2020 7:00 AM 0.00 0.0 M M M Dry streak continues. 10 straight zeros.
9/25/2020 7:00 AM 0.00 0.0 M M M still no rain. patchy fog around this morning
9/26/2020 9:25 AM 0.17 0.0 0.00 0.0 0.00
9/27/2020 7:30 AM 0.01 M M M M Overnight drizzle and mist. Currently foggy.
9/28/2020 8:00 AM 0.00 M M M M
9/29/2020 9:00 AM 0.00 0.0 M M M
9/30/2020 7:30 AM 0.41 0.0 0.00 0.0 0.00 Late-evening to overnight rain with passage of a cold front. Beautiful blue sky this morning, and a light breeze. Comfortable with much lower dew points.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/2/2019 11/16/2019 2:00 PM 15 0.04 0.0 0.00
12/29/2019 12/30/2019 7:00 AM 2 0.82 0.0 0.00
1/3/2020 1/04/2020 8:00 AM 2 0.38 0.0 0.00
1/12/2020 1/21/2020 6:00 AM 10 0.66 0.0 0.00 mixed precip during trip to AMS
4/26/2020 4/27/2020 6:50 AM 2 0.61 0.0 0.00
6/3/2020 6/05/2020 7:00 AM 3 0.43 0.0 0.00 Evening t'storms June 4.
7/10/2020 7/14/2020 7:45 AM 5 0.31 0.0 0.00
9/6/2020 9/14/2020 6:00 AM 9 0.36 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