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 18 3.38 4.05 31 4.05 31 0.00 0 0 11 2 0.0 0 0
Nov 18 3.43 8.44 30 5.53 20 2.91 10 1 8 1 0.0 0 0
Dec 18 3.21 5.00 31 4.97 25 0.03 6 1 7 2 0.0 0 0
Jan 19 2.83 4.05 31 2.32 23 1.73 8 2 9 3 5.2 3 5
Feb 19 2.69 3.51 28 3.51 28 0.00 0 0 9 2 8.5 4 8
March 19 3.68 5.12 31 5.12 29 0.00 2 1 9 2 4.6 4 4
April 19 3.49 3.95 30 3.83 27 0.12 3 1 9 3 0.0 0 0
May 19 4.34 8.78 31 7.72 28 1.06 3 1 16 1 0.0 0 0
June 19 3.70 3.02 30 2.21 24 0.81 6 2 9 1 0.0 0 0
July 19 3.84 7.47 31 7.47 31 0.00 0 0 12 0 0.0 0 0
Aug 19 3.04 2.27 31 2.27 29 0.00 2 1 9 3 0.0 0 0
Sept 19 4.04 0.42 30 0.42 28 0.00 2 1 7 0 0.0 0 0
Water Year Totals: 41.67" 56.08" 365 days 49.42" 323 6.66" 42 days 11 115 days 20 days 18.3" 11 days 17 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
10/1/2018 0.00
10/2/2018 0.00
10/3/2018 T
10/4/2018 0.00
10/5/2018 0.99
10/6/2018 0.00
10/7/2018 0.00
10/8/2018 0.00
10/9/2018 0.00
10/10/2018 0.00
10/11/2018 0.09
10/12/2018 1.06
10/13/2018 0.12
10/14/2018 0.00
10/15/2018 0.04
10/16/2018 0.13
10/17/2018 0.00
10/18/2018 0.00
10/19/2018 0.00
10/20/2018 0.10
10/21/2018 0.03
10/22/2018 0.00
10/23/2018 0.00
10/24/2018 0.00
10/25/2018 0.00
10/26/2018 0.00
10/27/2018 1.20
10/28/2018 0.21
10/29/2018 0.08
10/30/2018 T
10/31/2018 0.00
11/1/2018 0.00
11/2/2018 0.01
11/3/2018 1.85
11/4/2018 0.00
11/5/2018 0.06
11/6/2018 0.99
11/7/2018 0.65
11/8/2018 0.00
11/9/2018 0.03
11/10/2018 **
11/11/2018 **
11/12/2018 **
11/13/2018 **
11/14/2018 **
11/15/2018 **
11/16/2018 **
11/17/2018 **
11/18/2018 **
11/19/2018 2.91
11/20/2018 0.00
11/21/2018 0.00
11/22/2018 0.00
11/23/2018 0.00
11/24/2018 T
11/25/2018 1.77
11/26/2018 0.00
11/27/2018 0.17
11/28/2018 0.00
11/29/2018 0.00
11/30/2018 0.00
12/1/2018 T
12/2/2018 0.40
12/3/2018 0.02
12/4/2018 0.00
12/5/2018 0.00
12/6/2018 0.00
12/7/2018 0.00
12/8/2018 0.00
12/9/2018 0.00
12/10/2018 0.00
12/11/2018 0.00
12/12/2018 0.00
12/13/2018 0.00
12/14/2018 0.00
12/15/2018 0.42
12/16/2018 2.28
12/17/2018 T
12/18/2018 0.00
12/19/2018 0.00
12/20/2018 0.00
12/21/2018 0.58
12/22/2018 **
12/23/2018 **
12/24/2018 **
12/25/2018 **
12/26/2018 **
12/27/2018 0.03
12/28/2018 0.52
12/29/2018 0.75
12/30/2018 0.00
12/31/2018 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2019 0.78
1/2/2019 0.00
1/3/2019 0.00
1/4/2019 0.00
1/5/2019 0.10
1/6/2019 0.06
1/7/2019 0.00
1/8/2019 0.11
1/9/2019 0.11
1/10/2019 T
1/11/2019 0.00
1/12/2019 **
1/13/2019 0.41
1/14/2019 0.12
1/15/2019 0.00
1/16/2019 0.00
1/17/2019 **
1/18/2019 **
1/19/2019 **
1/20/2019 **
1/21/2019 **
1/22/2019 1.32
1/23/2019 0.00
1/24/2019 0.19
1/25/2019 0.70
1/26/2019 T
1/27/2019 0.00
1/28/2019 0.00
1/29/2019 0.00
1/30/2019 0.15
1/31/2019 T
2/1/2019 0.00
2/2/2019 0.09
2/3/2019 0.00
2/4/2019 0.00
2/5/2019 T
2/6/2019 0.00
2/7/2019 0.20
2/8/2019 0.04
2/9/2019 T
2/10/2019 0.00
2/11/2019 0.18
2/12/2019 0.74
2/13/2019 0.59
2/14/2019 0.00
2/15/2019 0.00
2/16/2019 0.00
2/17/2019 0.00
2/18/2019 0.29
2/19/2019 0.00
2/20/2019 0.00
2/21/2019 0.72
2/22/2019 0.00
2/23/2019 0.00
2/24/2019 0.66
2/25/2019 0.00
2/26/2019 0.00
2/27/2019 0.00
2/28/2019 0.00
3/1/2019 0.18
3/2/2019 0.44
3/3/2019 0.00
3/4/2019 0.55
3/5/2019 0.00
3/6/2019 0.00
3/7/2019 0.00
3/8/2019 0.00
3/9/2019 0.06
3/10/2019 0.66
3/11/2019 0.00
3/12/2019 0.00
3/13/2019 0.00
3/14/2019 0.00
3/15/2019 **
3/16/2019 0.00
3/17/2019 0.00
3/18/2019 0.00
3/19/2019 0.00
3/20/2019 0.00
3/21/2019 0.52
3/22/2019 2.48
3/23/2019 T
3/24/2019 0.00
3/25/2019 T
3/26/2019 0.16
3/27/2019 0.00
3/28/2019 0.00
3/29/2019 0.00
3/30/2019 0.00
3/31/2019 0.07
Day of YearDaily PrcpMultiday Prcp
4/1/2019 0.00
4/2/2019 0.00
4/3/2019 0.00
4/4/2019 0.00
4/5/2019 0.02
4/6/2019 **
4/7/2019 **
4/8/2019 0.12
4/9/2019 0.02
4/10/2019 0.00
4/11/2019 0.00
4/12/2019 0.00
4/13/2019 1.15
4/14/2019 T
4/15/2019 1.25
4/16/2019 0.00
4/17/2019 0.00
4/18/2019 0.00
4/19/2019 0.00
4/20/2019 0.77
4/21/2019 0.00
4/22/2019 0.00
4/23/2019 0.00
4/24/2019 T
4/25/2019 T
4/26/2019 0.19
4/27/2019 0.36
4/28/2019 0.03
4/29/2019 0.04
4/30/2019 0.00
5/1/2019 0.17
5/2/2019 0.00
5/3/2019 0.01
5/4/2019 1.36
5/5/2019 1.04
5/6/2019 1.05
5/7/2019 0.00
5/8/2019 0.00
5/9/2019 0.00
5/10/2019 T
5/11/2019 0.94
5/12/2019 0.46
5/13/2019 0.60
5/14/2019 0.63
5/15/2019 0.01
5/16/2019 0.01
5/17/2019 0.00
5/18/2019 0.00
5/19/2019 0.26
5/20/2019 0.00
5/21/2019 0.00
5/22/2019 0.00
5/23/2019 0.00
5/24/2019 0.07
5/25/2019 **
5/26/2019 **
5/27/2019 1.06
5/28/2019 0.00
5/29/2019 0.10
5/30/2019 0.19
5/31/2019 0.82
6/1/2019 0.00
6/2/2019 T
6/3/2019 0.15
6/4/2019 0.00
6/5/2019 0.00
6/6/2019 0.01
6/7/2019 0.00
6/8/2019 0.00
6/9/2019 0.00
6/10/2019 0.07
6/11/2019 0.31
6/12/2019 0.00
6/13/2019 0.71
6/14/2019 0.55
6/15/2019 0.00
6/16/2019 0.00
6/17/2019 **
6/18/2019 **
6/19/2019 **
6/20/2019 0.42
6/21/2019 0.02
6/22/2019 0.00
6/23/2019 0.00
6/24/2019 0.00
6/25/2019 0.37
6/26/2019 0.00
6/27/2019 0.00
6/28/2019 0.02
6/29/2019 **
6/30/2019 0.39
Day of YearDaily PrcpMultiday Prcp
7/1/2019 0.00
7/2/2019 0.00
7/3/2019 0.78
7/4/2019 0.08
7/5/2019 0.01
7/6/2019 0.14
7/7/2019 0.94
7/8/2019 1.58
7/9/2019 1.11
7/10/2019 0.00
7/11/2019 0.00
7/12/2019 0.11
7/13/2019 0.00
7/14/2019 0.00
7/15/2019 0.00
7/16/2019 0.00
7/17/2019 0.00
7/18/2019 0.40
7/19/2019 0.03
7/20/2019 0.00
7/21/2019 0.00
7/22/2019 0.38
7/23/2019 1.91
7/24/2019 0.00
7/25/2019 0.00
7/26/2019 0.00
7/27/2019 0.00
7/28/2019 0.00
7/29/2019 0.00
7/30/2019 0.00
7/31/2019 0.00
8/1/2019 0.00
8/2/2019 0.00
8/3/2019 0.00
8/4/2019 T
8/5/2019 **
8/6/2019 0.00
8/7/2019 0.03
8/8/2019 0.59
8/9/2019 T
8/10/2019 0.00
8/11/2019 0.00
8/12/2019 0.00
8/13/2019 0.00
8/14/2019 0.22
8/15/2019 0.02
8/16/2019 0.00
8/17/2019 0.00
8/18/2019 0.00
8/19/2019 0.06
8/20/2019 0.00
8/21/2019 0.06
8/22/2019 0.00
8/23/2019 0.02
8/24/2019 0.23
8/25/2019 0.00
8/26/2019 0.00
8/27/2019 0.00
8/28/2019 T
8/29/2019 1.04
8/30/2019 0.00
8/31/2019 0.00
9/1/2019 0.00
9/2/2019 0.01
9/3/2019 0.10
9/4/2019 0.00
9/5/2019 0.00
9/6/2019 0.00
9/7/2019 0.00
9/8/2019 0.00
9/9/2019 0.00
9/10/2019 0.00
9/11/2019 0.00
9/12/2019 0.00
9/13/2019 0.27
9/14/2019 0.01
9/15/2019 **
9/16/2019 0.00
9/17/2019 0.01
9/18/2019 0.00
9/19/2019 0.00
9/20/2019 0.00
9/21/2019 0.00
9/22/2019 0.00
9/23/2019 0.00
9/24/2019 0.01
9/25/2019 0.00
9/26/2019 0.00
9/27/2019 0.01
9/28/2019 0.00
9/29/2019 0.00
9/30/2019 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2018 4:50 AM 0.00 0.0 0.00 0.0 0.00
10/2/2018 7:50 AM 0.00 0.0 0.00 0.0 0.00
10/3/2018 6:55 AM T 0.0 0.00 0.0 0.00
10/4/2018 7:00 AM 0.00 0.0 M M M
10/5/2018 6:50 AM 0.99 0.0 0.00 0.0 0.00 Very warm yesterday with high temps in the mid to upper 80s. Thunderstorm with heavy rain at 6pm. Cold front came thru earlier this morning.
10/6/2018 9:00 AM 0.00 0.0 M M M
10/7/2018 8:30 AM 0.00 0.0 M M M
10/8/2018 5:00 AM 0.00 0.0 M M M Dense fog this morning
10/9/2018 7:30 AM 0.00 0.0 M M M Cloudy and calm, low 70s
10/10/2018 7:00 AM 0.00 0.0 M M M
10/11/2018 9:00 AM 0.09 0.0 0.00 0.0 0.00
10/12/2018 8:55 AM 1.06 M M M M Cold front picked up Michael's moisture. Refreshing breeze with low humidity this AM.
10/13/2018 10:30 AM 0.12 M M M M
10/14/2018 9:15 AM 0.00 0.0 M M M
10/15/2018 4:05 AM 0.04 0.0 0.00 0.0 0.00
10/16/2018 4:55 AM 0.13 0.0 0.00 0.0 0.00 light breeze with temp in the mid 50s
10/17/2018 4:05 AM 0.00 0.0 M M M Calm, upper 40s.
10/18/2018 5:00 AM 0.00 0.0 M M M
10/19/2018 5:00 AM 0.00 0.0 M M M
10/20/2018 8:50 AM 0.10 0.0 0.00 0.0 0.00 Considerable frost developed yesterday by 6:30 a.m. as observed in the neighborhood. A bit of rain earlier this morning with some breaks in the clouds and patchy thin fog.
10/21/2018 8:15 AM 0.03 M M M M
10/22/2018 7:00 AM 0.00 0.0 M M M
10/23/2018 8:00 AM 0.00 0.0 M M M
10/24/2018 7:00 AM 0.00 0.0 M M M
10/25/2018 7:00 AM 0.00 0.0 M M M
10/26/2018 8:00 AM 0.00 0.0 M M M
10/27/2018 9:25 AM 1.20 0.0 0.00 0.0 0.00 Mid 40s with light rain and light wind.
10/28/2018 8:50 AM 0.21 0.0 0.00 0.0 0.00 Rain ended during the afternoon. Lower 50s this morning.
10/29/2018 4:50 AM 0.08 M M M M
10/30/2018 5:00 AM T M M M M
10/31/2018 5:00 AM 0.00 0.0 M M M
11/1/2018 5:00 AM 0.00 0.0 M M M
11/2/2018 5:00 AM 0.01 0.0 0.00 0.0 0.00 Recent shower. Currently mild and humid with a gentle breeze. Temps in the upper 60s with dew point in the lower 60s.
11/3/2018 8:00 AM 1.85 0.0 0.00 0.0 0.00 Very heavy rain yesterday evening with a squall line. Hazardous ponding of water on Gas House Pike. Same line produced a microburst/possible tornado in Mt Airy.
11/4/2018 8:30 AM 0.00 0.0 M M M
11/5/2018 4:50 AM 0.06 M M M M Moderate rain in progress
11/6/2018 5:00 AM 0.99 0.0 0.00 0.0 0.00
11/7/2018 8:20 AM 0.65 0.0 0.00 0.0 0.00 Already over 3.5" for the month.
11/8/2018 7:30 AM 0.00 0.0 M M M
11/9/2018 7:50 AM 0.03 0.0 M M M
11/20/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/23/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2018 9:30 AM T 0.0 0.00 0.0 0.00 Fog and mist/drizzle
11/25/2018 9:00 AM 1.77 0.0 0.00 0.0 0.00 Rain picked up in intensity by early afternoon, stopped late last night.
11/26/2018 3:15 AM 0.00 0.0 M M M
11/27/2018 5:05 AM 0.17 0.0 0.00 0.0 0.00
11/28/2018 4:15 AM 0.00 0.0 M M M
11/29/2018 5:00 AM 0.00 0.0 M M M
11/30/2018 5:00 AM 0.00 0.0 M M M
12/1/2018 7:15 AM T 0.0 0.00 0.0 0.00 Frosty
12/2/2018 9:00 AM 0.40 0.0 0.00 0.0 0.00 Approaching warm front brought rain yesterday. Foggy this morning.
12/3/2018 9:00 AM 0.02 M M M M
12/4/2018 6:00 AM 0.00 0.0 M M M
12/5/2018 4:55 AM 0.00 0.0 0.00 0.0 0.00 Everything is covered in frost.
12/6/2018 4:55 AM 0.00 0.0 0.00 0.0 0.00
12/7/2018 6:00 AM 0.00 0.0 M M M
12/8/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00 Calm and frosty
12/9/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/10/2018 8:00 AM 0.00 0.0 M M M
12/11/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/12/2018 8:00 AM 0.00 0.0 M M M
12/13/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/14/2018 6:45 AM 0.00 0.0 M M M
12/15/2018 8:15 AM 0.42 0.0 0.00 0.0 0.00 Thick fog developed quickly btw 7-8a yesterday. Sprinkles and light rain yesterday evening, with light rain continuing this morning.
12/16/2018 8:45 AM 2.28 0.0 0.00 0.0 0.00
12/17/2018 6:55 AM T 0.0 0.00 0.0 0.00
12/18/2018 7:00 AM 0.00 0.0 M M M
12/19/2018 7:00 AM 0.00 0.0 M M M
12/20/2018 7:00 AM 0.00 0.0 M M M
12/21/2018 8:00 AM 0.58 0.0 0.00 0.0 0.00 Nothing says winter like having temps in the 60s this morning
12/28/2018 5:10 AM 0.52 0.0 0.00 0.0 0.00 Moderate rain, temp 40
12/29/2018 7:30 AM 0.75 0.0 0.00 0.0 0.00 Rainy during the day, then thick fog by night. Mild and beautiful morning today.
12/30/2018 8:45 AM 0.00 0.0 M M M
12/31/2018 3:15 AM 0.00 0.0 0.00 0.0 0.00 I think 74.70" of precipitation this calendar year was more than enough!!!
1/1/2019 5:20 AM 0.78 0.0 0.00 0.0 0.00 Rain started late-morning, then a t'storm around 9p. Shallow fog this AM.
1/2/2019 4:20 AM 0.00 0.0 0.00 0.0 0.00 Mild start to the New Year with high temp in the lower 60s. Current temp 40.
1/3/2019 7:05 AM 0.00 0.0 M M M
1/4/2019 7:00 AM 0.00 0.0 M M M Calm with frost
1/5/2019 8:00 AM 0.10 M M M M
1/6/2019 9:00 AM 0.06 0.0 0.00 0.0 0.00
1/7/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
1/8/2019 8:00 AM 0.11 M M M M Temps were above freezing during last night's rain. At some point last nite, temps fell below freezing as I found Trace ice on the rim of the RG this morning but nowhere else.
1/9/2019 5:00 AM 0.11 0.0 0.00 0.0 0.00 Showers late in the afternoon, then a robust line with a few pockets of lightning around 8p. Gusty FROPA earlier, and still on the mild side with temps in the mid 40s.
1/10/2019 8:50 AM T T T 0.0 0.00 Flurries and brief snow squalls with arctic blast.
1/11/2019 9:00 AM 0.00 0.0 M M M
1/14/2019 7:10 AM 0.12 2.3 0.12 5.8 M
1/15/2019 8:15 AM 0.00 0.0 0.00 4.7 0.39
1/16/2019 5:00 AM 0.00 0.0 0.00 3.0 M
1/23/2019 5:00 AM 0.00 0.0 0.00 T M
1/24/2019 4:50 AM 0.19 0.0 0.00 T M
1/25/2019 5:00 AM 0.70 0.0 0.00 0.0 0.00 Upper 50s yesterday morning, then a cold front. Temps near freezing this morning.
1/26/2019 8:30 AM T T T 0.0 0.00 A few flurries were seen
1/27/2019 8:30 AM 0.00 0.0 0.00 0.0 0.00
1/28/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/29/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
1/30/2019 5:00 AM 0.15 2.8 0.15 2.5 0.12 Heaviest snow during the early afternoon hours. Very stackable wet snow.
1/31/2019 5:00 AM T 0.1 T 2.0 M Snow squall before 12:30p covered pavement rapidly. Wind-blown fresh snow on ground drifted and stuck to pavement later in the afternoon.
2/1/2019 5:00 AM 0.00 0.0 0.00 1.5 M
2/2/2019 8:00 AM 0.09 1.6 0.09 2.5 0.19 Clipper brought light snow
2/3/2019 8:30 AM 0.00 0.0 0.00 2.0 M
2/4/2019 7:00 AM 0.00 0.0 0.00 0.5 M
2/5/2019 8:00 AM T 0.0 0.00 T M
2/6/2019 7:00 AM 0.00 0.0 0.00 0.0 0.00 A taste of Spring with an afternoon high near 70
2/7/2019 7:00 AM 0.20 0.0 0.00 0.0 0.00
2/8/2019 6:55 AM 0.04 0.0 0.00 0.0 0.00
2/9/2019 8:00 AM T 0.0 0.00 0.0 0.00 Drizzly w/fog early Friday
2/10/2019 9:00 AM 0.00 0.0 0.00 0.0 0.00
2/11/2019 5:00 AM 0.18 1.0 0.18 1.0 M Snow/sleet combo
2/12/2019 7:00 AM 0.74 0.4 M 1.0 0.27 Sleet, freezing rain and rain. Ice accretion on tree limbs of 0.06".
2/13/2019 8:20 AM 0.59 0.0 M 0.4 0.25 Freezing rain then rain. Peak ice accretion 0.10" on tree limbs, all melted yesterday afternoon.
2/14/2019 5:00 AM 0.00 0.0 0.00 T M
2/15/2019 5:00 AM 0.00 0.0 0.00 T M
2/16/2019 8:45 AM 0.00 0.0 0.00 0.0 0.00
2/17/2019 9:00 AM 0.00 0.0 0.00 0.0 0.00
2/18/2019 6:50 AM 0.29 0.0 0.00 0.0 0.00
2/19/2019 6:55 AM 0.00 0.0 0.00 0.0 0.00
2/20/2019 6:15 AM 0.00 0.0 0.00 0.0 0.00 Not yet snowing
2/21/2019 7:00 AM 0.72 5.5 0.72 3.0 M Snow started at 6:30a, ended early afternoon. Freezing rain later. Temps still at freezing this morning. Ice accretion average 0.1" (range from glaze to 0.25").
2/22/2019 8:50 AM 0.00 0.0 0.00 T M
2/23/2019 8:30 AM 0.00 0.0 0.00 0.0 0.00
2/24/2019 1:30 PM 0.66 0.0 0.00 0.0 0.00
2/25/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00 Windy cold frontal passage late yesterday afternoon. Wind damage reported to south.
2/26/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00 Very windy during the day with damage to twigs and branches, one limb 2-3 inch diameter. Calm this AM.
2/27/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
2/28/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/1/2019 8:00 AM 0.18 1.8 0.18 1.0 0.18 Flurries at obs time.
3/2/2019 7:30 AM 0.44 0.5 M 0.1 M Flurries in the morning. Rain/sleet mix in the evening. {EDIT: Observer reported 0.50 for new snowfall with a melted core of 0.44. Melted core is high and it appears gauge catch for a mixed precip event was entered by mistake. Changed SWE report of 0.44 to NA until observer can be contacted to verify. Submission Time Before EDIT: 3/02/2019 7:54 AM CoCoSTAFF DNT}
3/3/2019 8:50 AM 0.00 0.0 0.00 0.0 0.00
3/4/2019 3:15 AM 0.55 2.0 M 1.5 M
3/5/2019 6:00 AM 0.00 0.0 0.00 T M
3/6/2019 4:00 AM 0.00 0.0 0.00 T M
3/7/2019 5:00 AM 0.00 0.0 0.00 T M
3/8/2019 5:00 AM 0.00 0.0 0.00 T M
3/9/2019 7:30 AM 0.06 0.3 0.06 0.5 0.24
3/10/2019 9:00 AM 0.66 0.0 0.00 T M
3/11/2019 6:55 AM 0.00 0.0 0.00 0.0 0.00
3/12/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2019 6:50 AM 0.00 0.0 0.00 0.0 0.00
3/14/2019 5:40 AM 0.00 0.0 0.00 0.0 0.00 Happy Pi Day!
3/17/2019 9:15 AM 0.00 0.0 0.00 0.0 0.00
3/18/2019 6:55 AM 0.00 0.0 0.00 0.0 0.00
3/19/2019 8:15 AM 0.00 0.0 0.00 0.0 0.00 Frosty this morning
3/20/2019 8:15 AM 0.00 0.0 M M M
3/21/2019 9:15 AM 0.52 0.0 0.00 0.0 0.00
3/22/2019 9:00 AM 2.48 0.0 0.00 0.0 0.00
3/23/2019 9:00 AM T T M 0.0 0.00 Brief rain showers with a few flakes mixed in
3/24/2019 8:45 AM 0.00 0.0 0.00 0.0 0.00
3/25/2019 6:45 AM T M M M M
3/26/2019 3:15 AM 0.16 0.0 0.00 0.0 0.00
3/27/2019 5:00 AM 0.00 0.0 M M M
3/28/2019 5:00 AM 0.00 0.0 M M M
3/29/2019 5:00 AM 0.00 0.0 M M M
3/30/2019 7:30 AM 0.00 0.0 M M M
3/31/2019 8:45 AM 0.07 0.0 0.00 0.0 0.00
4/1/2019 6:45 AM 0.00 0.0 0.00 0.0 0.00 30 degrees this morning with icy bird bath
4/2/2019 5:00 AM 0.00 0.0 M M M
4/3/2019 5:00 AM 0.00 0.0 M M M
4/4/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2019 9:05 AM 0.02 0.0 0.00 0.0 0.00
4/9/2019 8:30 AM 0.02 M M M M
4/10/2019 7:40 AM 0.00 0.0 M M M
4/11/2019 7:00 AM 0.00 0.0 M M M
4/12/2019 8:00 AM 0.00 0.0 M M M
4/13/2019 9:00 AM 1.15 0.0 0.00 0.0 0.00
4/14/2019 8:30 AM T 0.0 0.00 0.0 0.00 Low clouds, a bit of fog with some mist.
4/15/2019 3:30 AM 1.25 0.0 0.00 0.0 0.00
4/16/2019 4:30 AM 0.00 0.0 M M M
4/17/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00 First mow yesterday
4/18/2019 5:00 AM 0.00 0.0 M M M
4/19/2019 7:00 AM 0.00 0.0 M M M
4/20/2019 8:30 AM 0.77 0.0 0.00 0.0 0.00
4/21/2019 8:00 AM 0.00 0.0 M M M
4/22/2019 6:55 AM 0.00 0.0 M M M
4/23/2019 5:00 AM 0.00 0.0 M M M
4/24/2019 4:00 AM T M M M M
4/25/2019 5:10 AM T 0.0 0.00 0.0 0.00 Currently lower 50s with a few sprinkles, calm
4/26/2019 5:25 AM 0.19 M M M M Light rain, calm, mid 50s
4/27/2019 7:00 AM 0.36 M M M M Line of t'storms with gusty cold front yesterday. Currently sunny, breezy, 50.
4/28/2019 7:30 AM 0.03 0.0 0.00 0.0 0.00
4/29/2019 3:20 AM 0.04 M M M M
4/30/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00 For the 12th consecutive month, my monthly total precip is above BWI and HGR normals.
5/1/2019 5:00 AM 0.17 0.0 0.00 0.0 0.00 Rain between 7-730p
5/2/2019 5:00 AM 0.00 0.0 0.00 0.0 0.00 Fog
5/3/2019 5:00 AM 0.01 M M M M
5/4/2019 8:45 AM 1.36 0.0 0.00 0.0 0.00 T'storm after 8:30p with massive lightning show
5/5/2019 8:45 AM 1.04 M M M M
5/6/2019 6:50 AM 1.05 0.0 0.00 0.0 0.00
5/7/2019 9:00 AM 0.00 0.0 M M M
5/8/2019 7:00 AM 0.00 0.0 M M M
5/9/2019 7:00 AM 0.00 0.0 M M M
5/10/2019 7:00 AM T M M M M
5/11/2019 9:00 AM 0.94 M M M M A couple rounds of passing showers. Some thunder around to the county but not nearby. Cold front brought a fresh breeze this morning.
5/12/2019 8:20 AM 0.46 M M M M Lightly raining
5/13/2019 4:48 AM 0.60 M M M M
5/14/2019 4:20 AM 0.63 M M M M
5/15/2019 4:15 AM 0.01 M M M M
5/16/2019 8:00 AM 0.01 M M M M Rain earlier this morning.
5/17/2019 5:05 AM 0.00 0.0 0.00 0.0 0.00
5/18/2019 9:00 AM 0.00 0.0 M M M
5/19/2019 9:15 AM 0.26 0.0 0.00 0.0 0.00
5/20/2019 6:00 AM 0.00 0.0 M M M
5/21/2019 7:00 AM 0.00 0.0 M M M
5/22/2019 7:00 AM 0.00 0.0 M M M
5/23/2019 7:00 AM 0.00 0.0 M M M
5/24/2019 7:00 AM 0.07 M M M M early afternoon brief thunderstorm.
5/28/2019 3:30 AM 0.00 0.0 M M M
5/29/2019 4:23 AM 0.10 M M M M
5/30/2019 6:00 AM 0.19 M M M M A couple weak thunderstorms, one around 2:45p and the other around 4:30p
5/31/2019 6:05 AM 0.82 M M M M Afternoon thunderstorm came thru around 2:30p. Was severe to the south with excessive tree damage noted in Ijamsville. Same cell later produced a confirmed tornado near Glenelg.
6/1/2019 6:00 AM 0.00 M M M M
6/2/2019 5:00 AM T M M M M
6/3/2019 7:00 AM 0.15 M M M M Moderate shower with thunder during the evening. Sunny and calm. Temps in the mid 50s.
6/4/2019 8:00 AM 0.00 0.0 M M M
6/5/2019 7:00 AM 0.00 0.0 M M M
6/6/2019 8:00 AM 0.01 M M M M
6/7/2019 6:00 AM 0.00 0.0 M M M
6/8/2019 8:00 AM 0.00 0.0 M M M
6/9/2019 8:45 AM 0.00 0.0 M M M
6/10/2019 4:50 AM 0.07 0.0 0.00 0.0 0.00
6/11/2019 4:55 AM 0.31 M M M M Showers ahead of cold front yesterday, refreshing breeze this morning
6/12/2019 4:50 AM 0.00 0.0 M M M
6/13/2019 5:00 AM 0.71 0.0 0.00 0.0 0.00 Rain began around Midnight. Moderate rain at obs time. Calm.
6/14/2019 8:00 AM 0.55 M M M M Moderate to heavy rain ended early morning. Late afternoon thunderstorm with moderate outflow. Partly sunny and breezy at obs time.
6/15/2019 8:00 AM 0.00 0.0 M M M
6/16/2019 8:00 AM 0.00 0.0 M M M
6/21/2019 7:30 AM 0.02 M M M M
6/22/2019 8:45 AM 0.00 0.0 M M M
6/23/2019 8:45 AM 0.00 0.0 M M M
6/24/2019 4:00 AM 0.00 0.0 M M M
6/25/2019 5:30 AM 0.37 M M M M A few afternoon sprinkles. A thunderstorm around 1:30 a.m. provided most of the measured rain. Patchy fog at 5:30 a.m.
6/26/2019 4:50 AM 0.00 0.0 M M M
6/27/2019 4:50 AM 0.00 0.0 M M M
6/28/2019 5:10 AM 0.02 M M M M Brief afternoon light shower. Thunder in the distance.
7/1/2019 6:50 AM 0.00 0.0 0.00 0.0 0.00 Calm pleasant morning
7/2/2019 6:00 AM 0.00 0.0 M M M
7/3/2019 4:50 AM 0.78 M M M M A couple gusty thunderstorms between 6:30 and 8 p.m., a brief faint rainbow after the first storm.
7/4/2019 5:00 AM 0.08 M M M M Afternoon shower around 4p
7/5/2019 4:50 AM 0.01 M M M M
7/6/2019 8:00 AM 0.14 M M M M
7/7/2019 9:00 AM 0.94 0.0 0.00 0.0 0.00 Evening thunderstorm
7/8/2019 6:50 AM 1.58 M M M M Thunderstorm with heavy rain in progress
7/9/2019 8:00 AM 1.11 0.0 0.00 0.0 0.00 Heavy thunderstorm rain early morning, then lighter residual showers later morning. Flash flooding not too bad around my location, but severe in parts of Frederick
7/10/2019 7:00 AM 0.00 0.0 M M M
7/11/2019 8:00 AM 0.00 0.0 M M M
7/12/2019 8:30 AM 0.11 M M M M
7/13/2019 8:00 AM 0.00 0.0 M M M
7/14/2019 8:00 AM 0.00 0.0 M M M
7/15/2019 6:50 AM 0.00 0.0 0.00 0.0 0.00
7/16/2019 8:00 AM 0.00 0.0 M M M
7/17/2019 7:00 AM 0.00 M M M M
7/18/2019 4:55 AM 0.40 0.0 0.00 0.0 0.00 Hot and humid with high in the mid 90s. T'storm at 5p.
7/19/2019 8:30 AM 0.03 M M M M
7/20/2019 8:00 AM 0.00 0.0 M M M
7/21/2019 8:00 AM 0.00 0.0 M M M
7/22/2019 8:00 AM 0.38 M M M M T'storm with brilliant ltg display after 730p
7/23/2019 4:30 AM 1.91 M M M M multiple t'storms
7/24/2019 7:00 AM 0.00 0.0 M M M Substantial dew
7/25/2019 8:00 AM 0.00 0.0 M M M
7/26/2019 8:00 AM 0.00 0.0 M M M
7/27/2019 6:00 AM 0.00 0.0 M M M
7/28/2019 8:00 AM 0.00 0.0 M M M
7/29/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
7/30/2019 8:00 AM 0.00 0.0 M M M
7/31/2019 7:00 AM 0.00 0.0 M M M
8/1/2019 8:00 AM 0.00 0.0 M M M
8/2/2019 8:00 AM 0.00 0.0 M M M
8/3/2019 9:00 AM 0.00 0.0 M M M
8/4/2019 7:30 AM T M M M M
8/7/2019 6:00 AM 0.03 M M M M Modest t'storm came thru around 8:30p yesterday.
8/8/2019 6:50 AM 0.59 M M M M Strong thunderstorms during the early afternoon hours.
8/9/2019 6:45 AM T M M M M A few sprinkles around 6p
8/10/2019 8:00 AM 0.00 0.0 M M M
8/11/2019 8:00 AM 0.00 0.0 M M M
8/12/2019 6:00 AM 0.00 0.0 M M M
8/13/2019 2:00 AM 0.00 0.0 M M M
8/14/2019 4:25 AM 0.22 0.0 0.00 0.0 0.00
8/15/2019 6:00 AM 0.02 M M M M
8/16/2019 6:50 AM 0.00 0.0 M M M
8/17/2019 8:00 AM 0.00 0.0 M M M
8/18/2019 8:00 AM 0.00 0.0 M M M
8/19/2019 1:15 AM 0.06 M M M M
8/20/2019 3:30 AM 0.00 0.0 M M M
8/21/2019 8:45 AM 0.06 M M M M distant thunder and brief shower
8/22/2019 7:00 AM 0.00 0.0 M M M
8/23/2019 7:00 AM 0.02 M M M M Fast-moving line of t'storms yesterday evening between 7:45p and 8:15p
8/24/2019 9:00 AM 0.23 M M M M A preview of fall this morning
8/25/2019 8:00 AM 0.00 0.0 0.00 0.0 0.00
8/26/2019 3:30 AM 0.00 0.0 M M M
8/27/2019 3:30 AM 0.00 0.0 M M M
8/28/2019 7:00 AM T M M M M
8/29/2019 6:45 AM 1.04 0.0 0.00 0.0 0.00 Cold front brought band of rain with brief lightning at 3:30p
8/30/2019 7:20 AM 0.00 0.0 M M M Feels a bit like fall with temps in the upper 50s
8/31/2019 7:40 AM 0.00 0.0 M M M
9/1/2019 8:15 AM 0.00 0.0 M M M
9/2/2019 8:55 AM 0.01 M M M M
9/3/2019 9:45 AM 0.10 M M M M
9/4/2019 8:00 AM 0.00 0.0 M M M
9/5/2019 6:50 AM 0.00 0.0 M M M
9/6/2019 6:00 AM 0.00 0.0 M M M
9/7/2019 8:00 AM 0.00 0.0 M M M
9/8/2019 7:45 AM 0.00 0.0 M M M
9/9/2019 3:30 AM 0.00 0.0 M M M
9/10/2019 6:00 AM 0.00 0.0 M M M
9/11/2019 6:55 AM 0.00 0.0 M M M
9/12/2019 6:15 AM 0.00 0.0 M M M
9/13/2019 9:45 AM 0.27 0.0 0.00 0.0 0.00
9/14/2019 9:00 AM 0.01 M M M M
9/17/2019 8:15 AM 0.01 M M M M
9/18/2019 8:00 AM 0.00 0.0 M M M
9/19/2019 6:00 AM 0.00 0.0 M M M
9/20/2019 6:00 AM 0.00 0.0 M M M
9/21/2019 7:43 AM 0.00 M M M M
9/22/2019 8:00 AM 0.00 0.0 M M M
9/23/2019 6:50 AM 0.00 0.0 M M M
9/24/2019 6:55 AM 0.01 M M M M
9/25/2019 8:00 AM 0.00 0.0 M M M
9/26/2019 6:50 AM 0.00 0.0 M M M
9/27/2019 6:55 AM 0.01 0.0 0.00 0.0 0.00
9/28/2019 8:00 AM 0.00 0.0 M M M
9/29/2019 8:00 AM 0.00 0.0 M M M
9/30/2019 6:50 AM 0.00 0.0 M M M With just 0.42" on the month, this is by far the driest month I've recorded. 22 days had no precip. Interestingly, this is the opposite of last September, which was and still is my wettest month.



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
11/10/2018 11/19/2018 9:20 AM 10 2.91 T M A couple rain events, plus the significant snow Thursday of near 5". A Trace left on the deck earlier this morning.
12/22/2018 12/27/2018 5:00 AM 6 0.03 0.0 0.00
1/12/2019 1/13/2019 3:00 PM 2 0.41 3.5 M 5" dry snow has settled down to 3.5" depth
1/17/2019 1/22/2019 3:30 AM 6 1.32 0.1 M
3/15/2019 3/16/2019 8:30 AM 2 0.00 0.0 0.00
4/6/2019 4/08/2019 7:00 AM 3 0.12 0.0 0.00
5/25/2019 5/27/2019 3:20 AM 3 1.06 0.0 0.00 Thunderstorms late Saturday. Stronger storms Sunday evening around 8:30p.
6/17/2019 6/20/2019 8:45 AM 4 0.42 0.0 0.00
6/29/2019 6/30/2019 8:30 AM 2 0.39 0.0 0.00 Thunderstorm around 3:45p Saturday and another one around 10:15p Saturday
8/5/2019 8/06/2019 4:00 AM 2 0.00 0.0 0.00
9/15/2019 9/16/2019 6:55 AM 2 0.00 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