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 17 3.38 4.31 31 4.30 29 0.01 2 1 9 1 0.0 0 0
Nov 17 3.43 1.65 30 1.52 28 0.13 2 1 6 1 0.0 0 0
Dec 17 3.21 1.04 31 1.04 30 0.00 1 0 9 5 3.4 4 3
Jan 18 2.83 1.80 31 1.00 23 0.80 8 2 7 3 1.1 3 9
Feb 18 2.69 4.53 28 4.53 28 0.00 0 0 17 2 1.9 3 2
March 18 3.68 2.51 31 2.51 30 0.00 1 0 7 5 10.5 2 7
April 18 3.49 3.17 30 3.15 26 0.02 4 2 12 4 0.0 0 0
May 18 4.34 8.59 31 7.12 29 1.47 2 1 14 1 0.0 0 0
June 18 3.70 5.73 30 5.72 28 0.01 2 1 16 0 0.0 0 0
July 18 3.84 10.65 31 10.65 31 0.00 0 0 12 0 0.0 0 0
Aug 18 3.04 7.63 31 4.99 21 2.64 10 1 9 1 0.0 0 0
Sept 18 4.04 12.60 30 12.60 30 0.00 0 0 19 0 0.0 0 0
Water Year Totals: 41.67" 64.21" 365 days 59.13" 333 5.08" 32 days 9 137 days 23 days 16.9" 12 days 21 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
10/1/2017 0.00
10/2/2017 0.00
10/3/2017 0.00
10/4/2017 0.00
10/5/2017 0.00
10/6/2017 0.01
10/7/2017 0.00
10/8/2017 0.10
10/9/2017 0.29
10/10/2017 0.90
10/11/2017 0.00
10/12/2017 0.74
10/13/2017 **
10/14/2017 0.01
10/15/2017 0.01
10/16/2017 0.05
10/17/2017 0.00
10/18/2017 0.00
10/19/2017 0.00
10/20/2017 0.00
10/21/2017 0.00
10/22/2017 0.00
10/23/2017 0.00
10/24/2017 0.52
10/25/2017 0.00
10/26/2017 0.00
10/27/2017 0.00
10/28/2017 0.00
10/29/2017 T
10/30/2017 1.68
10/31/2017 0.00
11/1/2017 0.00
11/2/2017 0.00
11/3/2017 0.00
11/4/2017 0.00
11/5/2017 0.59
11/6/2017 0.07
11/7/2017 T
11/8/2017 0.65
11/9/2017 0.00
11/10/2017 0.03
11/11/2017 0.00
11/12/2017 0.00
11/13/2017 0.13
11/14/2017 0.00
11/15/2017 0.00
11/16/2017 0.05
11/17/2017 0.00
11/18/2017 **
11/19/2017 0.13
11/20/2017 0.00
11/21/2017 0.00
11/22/2017 0.00
11/23/2017 0.00
11/24/2017 0.00
11/25/2017 0.00
11/26/2017 0.00
11/27/2017 0.00
11/28/2017 0.00
11/29/2017 0.00
11/30/2017 0.00
12/1/2017 0.03
12/2/2017 0.00
12/3/2017 T
12/4/2017 0.00
12/5/2017 0.00
12/6/2017 0.22
12/7/2017 0.00
12/8/2017 0.00
12/9/2017 0.00
12/10/2017 0.12
12/11/2017 0.00
12/12/2017 0.00
12/13/2017 0.00
12/14/2017 0.01
12/15/2017 T
12/16/2017 0.02
12/17/2017 0.00
12/18/2017 T
12/19/2017 0.00
12/20/2017 0.00
12/21/2017 0.00
12/22/2017 0.00
12/23/2017 0.22
12/24/2017 0.33
12/25/2017 0.03
12/26/2017 0.00
12/27/2017 T
12/28/2017 T
12/29/2017 0.00
12/30/2017 0.06
12/31/2017 **
Day of YearDaily PrcpMultiday Prcp
1/1/2018 **
1/2/2018 T
1/3/2018 0.00
1/4/2018 0.04
1/5/2018 T
1/6/2018 0.00
1/7/2018 0.00
1/8/2018 0.00
1/9/2018 0.07
1/10/2018 0.00
1/11/2018 **
1/12/2018 **
1/13/2018 **
1/14/2018 **
1/15/2018 **
1/16/2018 0.80
1/17/2018 0.04
1/18/2018 T
1/19/2018 0.00
1/20/2018 0.00
1/21/2018 0.00
1/22/2018 0.00
1/23/2018 0.27
1/24/2018 0.34
1/25/2018 0.00
1/26/2018 0.00
1/27/2018 0.00
1/28/2018 0.18
1/29/2018 0.06
1/30/2018 T
1/31/2018 0.00
2/1/2018 0.00
2/2/2018 0.07
2/3/2018 0.00
2/4/2018 T
2/5/2018 1.03
2/6/2018 0.00
2/7/2018 T
2/8/2018 0.85
2/9/2018 0.00
2/10/2018 0.00
2/11/2018 0.75
2/12/2018 0.10
2/13/2018 0.03
2/14/2018 0.00
2/15/2018 0.08
2/16/2018 0.35
2/17/2018 0.09
2/18/2018 0.22
2/19/2018 0.00
2/20/2018 0.01
2/21/2018 0.08
2/22/2018 0.05
2/23/2018 0.43
2/24/2018 0.01
2/25/2018 0.24
2/26/2018 0.14
2/27/2018 0.00
2/28/2018 0.00
3/1/2018 0.00
3/2/2018 0.70
3/3/2018 T
3/4/2018 0.00
3/5/2018 0.00
3/6/2018 0.00
3/7/2018 0.02
3/8/2018 T
3/9/2018 0.00
3/10/2018 0.00
3/11/2018 0.00
3/12/2018 0.00
3/13/2018 T
3/14/2018 0.00
3/15/2018 0.00
3/16/2018 0.00
3/17/2018 T
3/18/2018 T
3/19/2018 0.00
3/20/2018 0.00
3/21/2018 1.00
3/22/2018 0.61
3/23/2018 0.00
3/24/2018 0.00
3/25/2018 0.00
3/26/2018 0.00
3/27/2018 0.00
3/28/2018 0.02
3/29/2018 0.15
3/30/2018 0.01
3/31/2018 **
Day of YearDaily PrcpMultiday Prcp
4/1/2018 0.02
4/2/2018 0.26
4/3/2018 T
4/4/2018 0.07
4/5/2018 0.04
4/6/2018 0.00
4/7/2018 **
4/8/2018 **
4/9/2018 0.00
4/10/2018 0.01
4/11/2018 0.00
4/12/2018 0.00
4/13/2018 0.02
4/14/2018 0.00
4/15/2018 0.00
4/16/2018 1.36
4/17/2018 0.16
4/18/2018 T
4/19/2018 T
4/20/2018 T
4/21/2018 0.00
4/22/2018 0.00
4/23/2018 0.00
4/24/2018 0.00
4/25/2018 0.84
4/26/2018 0.05
4/27/2018 0.09
4/28/2018 0.18
4/29/2018 0.07
4/30/2018 0.00
5/1/2018 0.00
5/2/2018 0.00
5/3/2018 0.00
5/4/2018 0.00
5/5/2018 0.01
5/6/2018 0.29
5/7/2018 0.11
5/8/2018 0.00
5/9/2018 0.00
5/10/2018 0.00
5/11/2018 0.02
5/12/2018 0.00
5/13/2018 0.48
5/14/2018 0.44
5/15/2018 0.22
5/16/2018 3.25
5/17/2018 0.93
5/18/2018 **
5/19/2018 1.47
5/20/2018 0.11
5/21/2018 0.00
5/22/2018 0.00
5/23/2018 0.31
5/24/2018 0.00
5/25/2018 0.00
5/26/2018 0.00
5/27/2018 0.00
5/28/2018 0.93
5/29/2018 0.01
5/30/2018 T
5/31/2018 0.01
6/1/2018 0.30
6/2/2018 0.78
6/3/2018 0.28
6/4/2018 0.55
6/5/2018 0.00
6/6/2018 0.36
6/7/2018 0.00
6/8/2018 0.00
6/9/2018 0.00
6/10/2018 0.01
6/11/2018 1.04
6/12/2018 0.03
6/13/2018 **
6/14/2018 0.01
6/15/2018 0.00
6/16/2018 0.00
6/17/2018 0.00
6/18/2018 0.00
6/19/2018 0.01
6/20/2018 0.11
6/21/2018 0.45
6/22/2018 0.01
6/23/2018 0.77
6/24/2018 0.16
6/25/2018 0.74
6/26/2018 0.00
6/27/2018 0.00
6/28/2018 0.12
6/29/2018 0.00
6/30/2018 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2018 0.00
7/2/2018 0.00
7/3/2018 0.00
7/4/2018 0.00
7/5/2018 0.07
7/6/2018 0.17
7/7/2018 0.02
7/8/2018 0.00
7/9/2018 0.00
7/10/2018 0.00
7/11/2018 0.00
7/12/2018 0.00
7/13/2018 0.00
7/14/2018 0.00
7/15/2018 0.00
7/16/2018 0.04
7/17/2018 0.00
7/18/2018 0.61
7/19/2018 0.00
7/20/2018 0.00
7/21/2018 0.00
7/22/2018 5.23
7/23/2018 0.67
7/24/2018 0.50
7/25/2018 1.02
7/26/2018 0.14
7/27/2018 0.00
7/28/2018 1.51
7/29/2018 0.00
7/30/2018 0.00
7/31/2018 0.67
8/1/2018 0.40
8/2/2018 0.51
8/3/2018 0.52
8/4/2018 **
8/5/2018 **
8/6/2018 **
8/7/2018 **
8/8/2018 **
8/9/2018 **
8/10/2018 **
8/11/2018 **
8/12/2018 **
8/13/2018 2.64
8/14/2018 1.69
8/15/2018 0.01
8/16/2018 0.00
8/17/2018 0.00
8/18/2018 0.11
8/19/2018 0.03
8/20/2018 0.02
8/21/2018 0.00
8/22/2018 1.70
8/23/2018 0.00
8/24/2018 0.00
8/25/2018 0.00
8/26/2018 0.00
8/27/2018 0.00
8/28/2018 0.00
8/29/2018 0.00
8/30/2018 0.00
8/31/2018 T
9/1/2018 1.13
9/2/2018 0.39
9/3/2018 0.00
9/4/2018 0.00
9/5/2018 0.00
9/6/2018 0.00
9/7/2018 0.00
9/8/2018 0.20
9/9/2018 2.37
9/10/2018 2.17
9/11/2018 0.37
9/12/2018 0.02
9/13/2018 0.07
9/14/2018 0.07
9/15/2018 0.13
9/16/2018 0.00
9/17/2018 0.00
9/18/2018 0.91
9/19/2018 0.01
9/20/2018 0.00
9/21/2018 0.00
9/22/2018 0.01
9/23/2018 0.17
9/24/2018 0.94
9/25/2018 0.29
9/26/2018 0.39
9/27/2018 1.02
9/28/2018 1.94
9/29/2018 0.00
9/30/2018 0.00



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2017 9:00 AM 0.00 0.0 M M M
10/2/2017 4:50 AM 0.00 0.0 M M M
10/3/2017 4:50 AM 0.00 0.0 M M M Dry stretch of 17 consecutive days is longest in 6+ years.
10/4/2017 4:50 AM 0.00 0.0 M M M Oh rain, where art thou?
10/5/2017 4:50 AM 0.00 0.0 M M M
10/6/2017 4:55 AM 0.01 M M M M Evening sprinkles between 6p-630p
10/7/2017 7:00 AM 0.00 0.0 M M M
10/8/2017 9:15 AM 0.10 M M M M
10/9/2017 5:55 AM 0.29 M M M M Occasional drizzle and rain on Sunday. Currently light-to-moderate rain. Radar shows large rain shield, courtesy of post tropical cyclone Nate.
10/10/2017 6:00 AM 0.90 M M M M Good solid rain through yesterday morning. Cleared out in the afternoon. Still humid this morning.
10/11/2017 6:05 AM 0.00 0.0 M M M
10/12/2017 6:00 AM 0.74 M M M M
10/15/2017 8:15 AM 0.01 0.0 0.00 0.0 0.00
10/16/2017 5:45 AM 0.05 0.0 0.00 0.0 0.00 Cold front is near I-95 and rain already ended here.
10/17/2017 6:00 AM 0.00 0.0 M M M
10/18/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 Haven't seen frost yet
10/19/2017 8:30 AM 0.00 0.0 M M M
10/20/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2017 9:30 AM 0.00 0.0 M M M
10/23/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
10/24/2017 5:00 AM 0.52 0.0 0.00 0.0 0.00
10/25/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
10/26/2017 5:05 AM 0.00 0.0 M M M
10/27/2017 5:00 AM 0.00 0.0 M M M
10/28/2017 9:00 AM 0.00 0.0 M M M
10/29/2017 7:45 AM T M M M M
10/30/2017 6:00 AM 1.68 0.0 0.00 0.0 0.00 Cold front followed by brisk winds and heavy wrap around precip.
10/31/2017 6:00 AM 0.00 0.0 0.00 0.0 0.00
11/1/2017 5:55 AM 0.00 0.0 0.00 0.0 0.00
11/2/2017 6:00 AM 0.00 0.0 0.00 0.0 0.00
11/3/2017 6:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2017 10:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2017 7:58 AM 0.59 0.0 0.00 0.0 0.00 Drizzly mist and sprinkles at obs time.
11/6/2017 4:55 AM 0.07 0.0 0.00 0.0 0.00
11/7/2017 5:05 AM T 0.0 0.00 0.0 0.00
11/8/2017 5:05 AM 0.65 0.0 0.00 0.0 0.00
11/9/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 Sunshine in the afternoon, temps on the cool side of average.
11/10/2017 5:00 AM 0.03 0.0 0.00 0.0 0.00 A few passing showers yesterday. Mid 40s with a breeze this morning. Lots of leaves came off tree next to my driveway. It will likely be bare after today.
11/11/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00 A taste of winter, with lower 20s this AM. Some frost
11/12/2017 8:30 AM 0.00 0.0 0.00 0.0 0.00
11/13/2017 5:55 AM 0.13 0.0 0.00 0.0 0.00 Rain late last nite to around 315am this morning. Current temp in the upper 30s.
11/14/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 A bit of frost on the car and the gauge with temp near 32.
11/15/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 currently frosty and 30 degrees
11/16/2017 6:00 AM 0.05 0.0 0.00 0.0 0.00 Overnight light rain (between 11p-2a)
11/17/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
11/20/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 Temp near 50 degrees right now.
11/23/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 Clear and frosty morning.
11/24/2017 10:00 AM 0.00 0.0 0.00 0.0 0.00
11/25/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00 Frosty morning today
11/26/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00 Last mow of the season yesterday. Dry now for 7 straight days. Breezy this morning.
11/27/2017 5:55 AM 0.00 0.0 0.00 0.0 0.00
11/28/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
11/29/2017 6:00 AM 0.00 0.0 M M M
11/30/2017 6:00 AM 0.00 0.0 M M M Dry streak continues.
12/1/2017 6:00 AM 0.03 0.0 0.00 0.0 0.00 Rain last night about 8-9p. Frosty this morning. Some of the water in the RG had just started to freeze.
12/2/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00 Very frosty this morning
12/3/2017 8:55 AM T 0.0 0.00 0.0 0.00 Very light shower before sunrise today
12/4/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/5/2017 6:00 AM 0.00 0.0 M M M
12/6/2017 5:00 AM 0.22 0.0 0.00 0.0 0.00
12/7/2017 4:50 AM 0.00 0.0 0.00 0.0 0.00
12/8/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/9/2017 7:35 AM 0.00 0.0 0.00 0.0 0.00 nothing yet
12/10/2017 8:30 AM 0.12 2.0 0.12 1.8 M First snow of the winter season. Started about 8:45 a.m. and stopped by 6 p.m.
12/11/2017 5:55 AM 0.00 0.0 0.00 0.1 M Snow cover down to <50% in my yard.
12/12/2017 5:55 AM 0.00 0.0 0.00 0.0 0.00
12/13/2017 6:00 AM 0.00 0.0 0.00 0.0 0.00 Cold near 20.
12/14/2017 6:00 AM 0.01 0.1 0.01 T T Snow showers from around 825p to around 10p. Light coating.
12/15/2017 6:00 AM T T T 0.0 0.00 A few flurries early yesterday morning.
12/16/2017 8:00 AM 0.02 0.3 0.02 T T Snow from late-morning to mid-afternoon. Some sun late.
12/17/2017 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/18/2017 5:00 AM T 0.0 0.00 0.0 0.00
12/19/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/20/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/21/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00 Big change from yesterday morning's mid 40s to current temps in the mid 20s.
12/22/2017 5:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2017 8:45 AM 0.22 0.0 0.00 0.0 0.00
12/24/2017 8:30 AM 0.33 0.0 0.00 0.0 0.00
12/25/2017 8:00 AM 0.03 0.0 0.00 0.0 0.00 When outside my house there arose such a clatter, 'twas the cold, gusty winds that made my teeth chatter. Merry Christmas to all!
12/26/2017 9:00 AM 0.00 0.0 0.00 0.0 0.00
12/27/2017 9:00 AM T T T 0.0 0.00 A few flurries this morning, but no accumulation on ground.
12/28/2017 8:00 AM T T T 0.0 0.00 Flurries to light snow showers in the morning. Brief Trace accumulation sublimated rather quickly.
12/29/2017 8:30 AM 0.00 0.0 0.00 0.0 0.00
12/30/2017 6:30 AM 0.06 1.0 0.06 0.8 M Light snow between Midnight and 6 a.m. Calm, current temp near 20.
1/3/2018 6:00 AM 0.00 0.0 0.00 0.1 M
1/4/2018 6:00 AM 0.04 0.5 0.04 0.5 M Lingering flurries at obs time.
1/5/2018 6:00 AM T T M 0.5 M Lingering morning flurries and snow showers, then very windy in the afternoon to overnight. Still brisk this morning, and cold in the lower teens.
1/6/2018 8:30 AM 0.00 0.0 0.00 0.3 M
1/7/2018 9:00 AM 0.00 0.0 M 0.2 M
1/8/2018 8:00 AM 0.00 0.0 M 0.1 M
1/9/2018 8:00 AM 0.07 0.2 M 0.1 M Snow, Sleet, Freezing Rain
1/10/2018 8:00 AM 0.00 0.0 M T M
1/17/2018 6:05 AM 0.04 0.4 0.04 0.4 M Very light snow at obs time.
1/18/2018 6:05 AM T T T 0.1 M
1/19/2018 5:00 AM 0.00 0.0 0.00 T T
1/20/2018 9:30 AM 0.00 0.0 0.00 0.0 0.00
1/21/2018 9:00 AM 0.00 0.0 0.00 0.0 0.00
1/22/2018 4:50 AM 0.00 0.0 0.00 0.0 0.00
1/23/2018 4:50 AM 0.27 0.0 0.00 0.0 0.00 Moderate rain at obs time. No wind, temp near 50.
1/24/2018 5:00 AM 0.34 0.0 0.00 0.0 0.00
1/25/2018 4:50 AM 0.00 0.0 0.00 0.0 0.00
1/26/2018 4:45 AM 0.00 0.0 0.00 0.0 0.00
1/27/2018 9:00 AM 0.00 0.0 M M M
1/28/2018 9:20 AM 0.18 0.0 0.00 0.0 0.00 Very light rain at obs time.
1/29/2018 9:55 AM 0.06 M M 0.0 0.00
1/30/2018 12:05 PM T T T 0.0 0.00 trace snow briefly dusted deck
1/31/2018 8:15 AM 0.00 0.0 0.00 0.0 0.00
2/1/2018 7:15 AM 0.00 M M M M
2/2/2018 8:00 AM 0.07 M M 0.0 0.00 Light rain last night. Temp dropped below freezing earlier this morning, so had to melt the rainwater.
2/3/2018 8:30 AM 0.00 0.0 0.00 0.0 0.00
2/4/2018 8:45 AM T T T 0.0 0.00 Flurries but no accum as of 8:45a
2/5/2018 5:05 AM 1.03 0.5 M 0.1 M Snow changed to rain late-morning w/temps near freezing. Thin icy snow layer on grass this morning. {EDIT: Observer reported 0.5 for new snowfall with a melted core value of 1.03. Melted core appears to be a typo. Changed SWE report of 1.03 to NA until observer can be contacted to verify. Submission Time Before EDIT: 2/05/2018 5:08 AM CoCoSTAFF DNT}
2/6/2018 5:00 AM 0.00 0.0 0.00 T M
2/7/2018 5:00 AM T T T T M A few flurries at obs time.
2/8/2018 5:05 AM 0.85 0.1 M T M Freezing rain in the morning, ended as rain. Measured 0.10-0.15" ice accretion yesterday afternoon.
2/9/2018 5:00 AM 0.00 0.0 0.00 T M Still have residual ice on back patio and north-facing side of house.
2/10/2018 8:30 AM 0.00 0.0 0.00 T M
2/11/2018 9:00 AM 0.75 0.0 0.00 0.0 0.00 Light rain at obs time.
2/12/2018 4:55 AM 0.10 0.0 0.00 0.0 0.00
2/13/2018 6:00 AM 0.03 M M 0.0 0.00
2/14/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
2/15/2018 6:00 AM 0.08 0.0 0.00 0.0 0.00
2/16/2018 5:55 AM 0.35 0.0 0.00 0.0 0.00
2/17/2018 7:45 AM 0.09 0.0 0.00 0.0 0.00 Frosty this morning
2/18/2018 9:10 AM 0.22 1.3 0.22 1.3 0.17 Snow started at about 2:10p and was done by about 8p.
2/19/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
2/20/2018 5:00 AM 0.01 0.0 0.00 0.0 0.00
2/21/2018 4:55 AM 0.08 0.0 0.00 0.0 0.00 Feels like Spring
2/22/2018 6:00 AM 0.05 0.0 0.00 0.0 0.00 Springlike warmth with record highs yesterday. Spring bulbs emerging (took picture) and found small buds on my forsythias.
2/23/2018 4:50 AM 0.43 0.0 0.00 0.0 0.00
2/24/2018 8:40 AM 0.01 0.0 0.00 0.0 0.00
2/25/2018 7:45 AM 0.24 0.0 0.00 0.0 0.00 Raining at obs time. Many earthworms on the driveway.
2/26/2018 5:55 AM 0.14 0.0 0.00 0.0 0.00
2/27/2018 5:55 AM 0.00 0.0 0.00 0.0 0.00 Very frosty.
2/28/2018 5:55 AM 0.00 0.0 0.00 0.0 0.00
3/1/2018 8:30 AM 0.00 0.0 M M M
3/2/2018 4:45 AM 0.70 0.0 0.00 0.0 0.00 Most of the rain fell during the evening. Winds are roaring this morning... like a March lion.
3/3/2018 8:00 AM T T M 0.0 0.00 Very light rain/snow mix to end yesterday's precip. No snow accumulation. Incredibly windy yesterday. Difficult driving conditions in the afternoon. Have one 2-inch diameter tree limb down in my yard, otherwise just small twigs scattered about. Winds have let up considerably this morning, but still breezy.
3/4/2018 7:30 AM 0.00 0.0 0.00 0.0 0.00
3/5/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/6/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/7/2018 5:00 AM 0.02 T M 0.0 0.00 Precip yesterday mainly rain, but a few flakes and ice pellets were spotted at times and melted promptly. Current temp around 34.
3/8/2018 5:00 AM T T M 0.0 0.00 A bit drizzly before 6a, then passing showers of rain/snow before Noon. No snow accumulation.
3/9/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/10/2018 8:30 AM 0.00 0.0 0.00 0.0 0.00
3/11/2018 9:13 AM 0.00 0.0 0.00 0.0 0.00 frosty 21 degrees
3/12/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
3/13/2018 6:00 AM T T T 0.0 0.00 A few flurries in the evening.
3/14/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
3/15/2018 6:00 AM 0.00 0.0 M M M
3/16/2018 6:00 AM 0.00 0.0 M M M
3/17/2018 8:45 AM T M M 0.0 0.00 Brief AM snow shower yesterday. No accumulation on ground.
3/18/2018 8:30 AM T M M 0.0 0.00 Brief snow shower in the afternoon. Frosty this morning.
3/19/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
3/20/2018 4:50 AM 0.00 0.0 0.00 0.0 0.00 Precip still to the south
3/21/2018 5:00 AM 1.00 6.0 M 5.0 M Morning PLRASN changed to S/S+, 5" at 6p. Additional light snow ended late evening. Currently very light FZDZ. Trace ice on RG.
3/22/2018 5:15 AM 0.61 4.5 0.61 8.5 1.61 A bit of FZDZ then snow. Variable snow depth yesterday afternoon... average 9.5". Perfect snow for a core sample.
3/23/2018 6:00 AM 0.00 0.0 0.00 5.5 M
3/24/2018 7:45 AM 0.00 0.0 0.00 2.5 M Wide-ranging snowpack. Bare ground in spots. Up to 5" in shaded areas.
3/25/2018 8:00 AM 0.00 0.0 0.00 1.0 M
3/26/2018 8:30 AM 0.00 0.0 0.00 0.7 M
3/27/2018 4:50 AM 0.00 0.0 0.00 0.1 M I have two pockets of snow cover left. I took the SWE from the deepest area of snow cover yesterday afternoon, which was 3" deep. Driving around, there are very distinctive snow cover patterns between shaded areas and exposed areas. {EDIT: Observer reported 0.1 for total snow depth with a melted core value of 0.74. Melted core appears to be a mistake. Changed total SWE report of 0.74 to NA until observer can be contacted to verify. Submission Time Before EDIT: 3/27/2018 4:59 AM CoCoSTAFF DNT}
3/28/2018 6:00 AM 0.02 0.0 0.00 T M
3/29/2018 6:00 AM 0.15 0.0 0.00 0.0 0.00
3/30/2018 6:10 AM 0.01 0.0 0.00 0.0 0.00
4/2/2018 6:00 AM 0.26 M M 0.0 0.00 No evidence of snow at obs time.
4/3/2018 5:00 AM T 0.0 0.00 0.0 0.00 Lingering sprinkles/drizzle before 7a yesterday.
4/4/2018 5:00 AM 0.07 0.0 0.00 0.0 0.00
4/5/2018 5:05 AM 0.04 0.0 0.00 0.0 0.00
4/6/2018 7:10 AM 0.00 0.0 0.00 0.0 0.00
4/10/2018 6:00 AM 0.01 T M 0.0 0.00 Sprinkles, flurries and tiny sleet pellets. No accumulation on ground.
4/11/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2018 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/13/2018 5:55 AM 0.02 0.0 0.00 0.0 0.00 Pollen definitely on the increase
4/14/2018 9:25 AM 0.00 0.0 0.00 0.0 0.00
4/15/2018 8:45 AM 0.00 0.0 0.00 0.0 0.00 Beautiful warm 80s yesterday, Cloudy and murky 50s this AM
4/16/2018 5:00 AM 1.36 0.0 0.00 0.0 0.00 Tstorm at 130am, still raining
4/17/2018 5:00 AM 0.16 0.0 0.00 0.0 0.00 Additional bands of rain yesterday morning, dry in the afternoon with current temp in the upper 30s.
4/18/2018 5:00 AM T T M 0.0 0.00 A few flurries yesterday afternoon. Last time snow was spotted this late in April was in 2014, where rain ended as snow. This time it was an upper-level low combined with unseasonably cold temperatures throughout the column, leading to flurries alone.
4/19/2018 5:05 AM T 0.0 0.00 0.0 0.00 First mow yesterday. Soil temps 57-61 yesterday afternoon. Very light shower earlier this morning.
4/20/2018 5:00 AM T T M 0.0 0.00 A gusty late-morning FROPA contained a few snowflakes with rain. Current temp in the mid 30s. Freeze Warning still in effect.
4/21/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2018 9:00 AM 0.00 0.0 0.00 0.0 0.00
4/23/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
4/24/2018 5:55 AM 0.00 0.0 0.00 0.0 0.00
4/25/2018 6:00 AM 0.84 0.0 0.00 0.0 0.00
4/26/2018 6:00 AM 0.05 M M M M
4/27/2018 5:00 AM 0.09 0.0 0.00 0.0 0.00
4/28/2018 5:20 AM 0.18 0.0 0.00 0.0 0.00 Very foggy this morning.
4/29/2018 8:30 AM 0.07 0.0 0.00 0.0 0.00 Convective shower yesterday afternoon
4/30/2018 5:00 AM 0.00 0.0 M M M Cool 36 degrees but no frost
5/1/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00 Calm and cool.
5/2/2018 5:00 AM 0.00 0.0 M M M
5/3/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
5/4/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00 Pollen!!!!!!
5/5/2018 8:00 AM 0.01 0.0 0.00 0.0 0.00
5/6/2018 9:00 AM 0.29 M M M M
5/7/2018 6:00 AM 0.11 0.0 0.00 0.0 0.00
5/8/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
5/9/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00 Spotted ruby-throated hummingbird at the feeder yesterday.
5/10/2018 6:00 AM 0.00 0.0 0.00 0.0 0.00
5/11/2018 6:00 AM 0.02 0.0 0.00 0.0 0.00 Strong t'storm core in Urbana area 430-5p, but just light amounts around Lake Linganore.
5/12/2018 8:00 AM 0.00 0.0 0.00 0.0 0.00
5/13/2018 8:00 AM 0.48 0.0 0.00 0.0 0.00 Outflow gust of about 40 mph from PA storms (645-7p), then thunderstorms woke me up around 4a this morning.
5/14/2018 6:00 AM 0.44 M M M M Sunday evening thunderstorm, around 7:30 p.m.
5/15/2018 5:00 AM 0.22 0.0 0.00 0.0 0.00 Dense fog developed yesterday morning, sky cleared out and we hit lower 80s. T'storms developed northwest and came thru during the evening.
5/16/2018 5:10 AM 3.25 0.0 0.00 0.0 0.00 Major thunderstorm after 7p. Pea-sized hail briefly accumulated on deck and flower beds. Took pic at 8p. Rain was torrential, blocking out satellite reception. A few leaves stripped off, otw property looks fine this morning.
5/17/2018 5:00 AM 0.93 M M M M Heaviest rain was overnight, generally between 9 p.m. and 3 a.m. today. Flash flooding damage from Tuesday's torrential rain was evident on one of the nearby Lake Linganore trails after daybreak. It was far worse though over in downtown Frederick. YMCA is closed for several days.
5/20/2018 8:30 AM 0.11 0.0 0.00 0.0 0.00
5/21/2018 6:00 AM 0.00 0.0 M M M A few mushrooms (Brown Mottlegill) in the front yard.
5/22/2018 6:00 AM 0.00 0.0 M M M
5/23/2018 6:00 AM 0.31 M M M M Thunderstorm between 3-4p
5/24/2018 5:00 AM 0.00 0.0 M M M
5/25/2018 4:00 AM 0.00 0.0 M M M
5/26/2018 9:30 AM 0.00 M M M M
5/27/2018 8:20 AM 0.00 0.0 M M M
5/28/2018 4:50 AM 0.93 M M M M Thunderstorms during the late afternoon (approx 4:30-6:30p)
5/29/2018 5:00 AM 0.01 M M M M
5/30/2018 5:00 AM T M M M M
5/31/2018 5:00 AM 0.01 M M M M
6/1/2018 5:00 AM 0.30 M M M M Tstorm began between 5:15-5:30pm, ended 6:30-6:45pm.
6/2/2018 8:15 AM 0.78 M M M M T-storm btw 10p and Midnight
6/3/2018 8:55 AM 0.28 M M M M Periods of rain and occasional thunderstorms. Breezy this morning.
6/4/2018 6:00 AM 0.55 M M M M
6/5/2018 5:00 AM 0.00 0.0 M M M
6/6/2018 6:00 AM 0.36 M M M M Cold front brought a band of rain. Ltg stayed well north and east, as one thunderstorm tracked from near Taneytown toward Baltimore.
6/7/2018 6:00 AM 0.00 0.0 M M M
6/8/2018 8:00 AM 0.00 0.0 M M M
6/9/2018 7:30 AM 0.00 0.0 M M M
6/10/2018 8:30 AM 0.01 M M M M Light shower in the afternoon right before 2 p.m. with audible thunder, considerable TCU visible well to the east.
6/11/2018 8:40 AM 1.04 0.0 0.00 0.0 0.00
6/12/2018 4:15 AM 0.03 0.0 0.00 0.0 0.00 trail by Lake Linganore covered by rising water yesterday.
6/15/2018 5:00 AM 0.00 0.0 M M M Beautiful calm clear sky morning.
6/16/2018 8:45 AM 0.00 M M M M
6/17/2018 8:45 AM 0.00 0.0 M M M
6/18/2018 6:00 AM 0.00 M M M M
6/19/2018 6:00 AM 0.01 M M M M Tstorm around 3:45p
6/20/2018 6:00 AM 0.11 M M M M Early afternoon showers/thunderstorms.
6/21/2018 6:00 AM 0.45 M M M M
6/22/2018 6:00 AM 0.01 M M M M
6/23/2018 7:45 AM 0.77 0.0 0.00 0.0 0.00
6/24/2018 8:40 AM 0.16 M M M M
6/25/2018 4:15 AM 0.74 M M M M T'storm btw 620-720p
6/26/2018 4:10 AM 0.00 0.0 M M M
6/27/2018 5:00 AM 0.00 0.0 M M M
6/28/2018 5:00 AM 0.12 M M M M
6/29/2018 4:55 AM 0.00 0.0 M M M
6/30/2018 8:15 AM 0.00 0.0 M M M
7/1/2018 8:35 AM 0.00 0.0 0.00 0.0 0.00
7/2/2018 4:50 AM 0.00 0.0 M M M
7/3/2018 4:00 AM 0.00 0.0 M M M
7/4/2018 4:50 AM 0.00 0.0 M M M Distant lightning east late (9:30-10p)
7/5/2018 5:05 AM 0.07 M M M M Fading thunderstorm produced light rain in the evening between 7-8p
7/6/2018 5:00 AM 0.17 M M M M
7/7/2018 8:00 AM 0.02 M M M M Steamy morning yesterday with showers (dew point 70s), then cold front came thru. Refreshing breeze this morning, with nearly no clouds at all and dew point near 50. So very nice!
7/8/2018 8:30 AM 0.00 0.0 M M M
7/9/2018 6:55 AM 0.00 0.0 M M M
7/10/2018 7:50 AM 0.00 0.0 M M M
7/11/2018 8:00 AM 0.00 0.0 M M M
7/12/2018 7:00 AM 0.00 0.0 M M M
7/13/2018 7:05 AM 0.00 0.0 M M M
7/14/2018 10:00 AM 0.00 0.0 M M M
7/15/2018 8:00 AM 0.00 0.0 M M M
7/16/2018 6:20 AM 0.04 M M M M
7/17/2018 8:15 AM 0.00 M M M M
7/18/2018 7:10 AM 0.61 M M M M Thunderstorm arrived between 8:45-9 p.m., gone by 9:30 p.m. Very heavy rain, noted gusty winds. Rumbles of thunder were heard, but no loud claps in spite of ltg within 0.5 mile.
7/19/2018 6:00 AM 0.00 0.0 M M M Much lower humidity and a pleasant day with high pressure and max near 85.
7/20/2018 7:00 AM 0.00 0.0 M M M
7/21/2018 9:00 AM 0.00 0.0 M M M
7/22/2018 8:15 AM 5.23 0.0 0.00 0.0 0.00 New record for 24-hr rainfall total, surpassing 2012-10-30 (Sandy). Sprinkles started about 10a, then increased to light rain later AM. Intensity very heavy during the evening, tropical downpours. Rain ended early this AM before 3a.
7/23/2018 5:00 AM 0.67 M M M M
7/24/2018 5:00 AM 0.50 0.0 0.00 0.0 0.00 Water levels remain high but have subsided since Sunday morning. Heaviest rain on Monday fell during second half of Jeopardy, but managed to see the final clue, which was ironically about deja vu... which is what this weather pattern feels like... or Groundhog Day.
7/25/2018 5:00 AM 1.02 0.0 0.00 0.0 0.00 Bands of rain with embedded thunderstorms.
7/26/2018 5:10 AM 0.14 M M M M
7/27/2018 5:00 AM 0.00 0.0 M M M
7/28/2018 7:30 AM 1.51 M M M M Thunderstorm with gusty winds and very heavy rain between 5-6p. Top gust estimated nr 40-45 mph.
7/29/2018 8:20 AM 0.00 0.0 M M M
7/30/2018 5:00 AM 0.00 0.0 M M M
7/31/2018 5:00 AM 0.67 M M M M Robust shower yesterday between 4:45p and 5:45p. July 2018 finishes as my wettest ever month with 10.65" total rain.
8/1/2018 5:00 AM 0.40 0.0 0.00 0.0 0.00 Area of rain pushed to the north right before obs time this morning.
8/2/2018 5:00 AM 0.51 M M M M Late-evening thunderstorm from 9p-9:30p
8/3/2018 8:15 AM 0.52 0.0 0.00 0.0 0.00 Occnl bands of rain/embedded thunder yday, a few sprinkles and showers this AM
8/14/2018 5:00 AM 1.69 M M M M Thunderstorm from about 4-5p.
8/15/2018 5:00 AM 0.01 M M M M
8/16/2018 4:50 AM 0.00 0.0 0.00 0.0 0.00
8/17/2018 7:00 AM 0.00 0.0 M M M
8/18/2018 9:00 AM 0.11 0.0 0.00 0.0 0.00
8/19/2018 8:30 AM 0.03 M M M M
8/20/2018 4:50 AM 0.02 M M M M
8/21/2018 4:50 AM 0.00 0.0 M M M
8/22/2018 5:10 AM 1.70 M M M M Late-evening thunderstorms
8/23/2018 5:00 AM 0.00 0.0 M M M
8/24/2018 5:00 AM 0.00 0.0 M M M
8/25/2018 8:00 AM 0.00 0.0 M M M
8/26/2018 9:00 AM 0.00 0.0 M M M
8/27/2018 4:15 AM 0.00 0.0 M M M
8/28/2018 4:00 AM 0.00 0.0 M M M
8/29/2018 4:00 AM 0.00 0.0 M M M
8/30/2018 5:00 AM 0.00 0.0 M M M
8/31/2018 5:00 AM T M M M M Sprinkles at obs time
9/1/2018 6:45 AM 1.13 0.0 0.00 0.0 0.00 Occasional morning showers, then evening thunderstorms w/close CG. Brilliant late-nite ltg (around 9p) display to the south/east after rain ended.
9/2/2018 9:05 AM 0.39 M M M M Meaty t'storm fizzled a bit as it approached btw 7-7:30p. Rain was light to moderate and lasted 15-30 minutes. Gust 20-30 mph
9/3/2018 5:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2018 3:15 AM 0.00 0.0 M M M
9/5/2018 5:00 AM 0.00 0.0 M M M
9/6/2018 8:00 AM 0.00 0.0 M M M
9/7/2018 5:00 AM 0.00 0.0 M M M
9/8/2018 8:45 AM 0.20 M M M M
9/9/2018 8:20 AM 2.37 M M M M Steady moderate to heavy rain ongoing. Cool with temp near 60.
9/10/2018 8:05 AM 2.17 0.0 0.00 0.0 0.00
9/11/2018 4:55 AM 0.37 0.0 0.00 0.0 0.00 Foggy yesterday evening, continuing this morning.
9/12/2018 4:50 AM 0.02 M M M M
9/13/2018 5:00 AM 0.07 M M M M The sun came out a bit during the afternoon, and then convective showers formed. Rain between 6-8p
9/14/2018 4:50 AM 0.07 M M M M Saw brief afternoon convective showers with moderate-heavy rates. High pressure over New England + Hurricane Florence nearing the southern NC coast leading to moist easterly flow.
9/15/2018 8:00 AM 0.13 M M M M
9/16/2018 7:00 AM 0.00 0.0 M M M
9/17/2018 6:50 AM 0.00 0.0 M M M
9/18/2018 4:50 AM 0.91 M M M M Florence remnants
9/19/2018 5:00 AM 0.01 M M M M
9/20/2018 4:45 AM 0.00 0.0 M M M
9/21/2018 4:55 AM 0.00 0.0 M M M
9/22/2018 7:00 AM 0.01 M M M M
9/23/2018 8:50 AM 0.17 0.0 0.00 0.0 0.00
9/24/2018 6:50 AM 0.94 M M M M
9/25/2018 4:50 AM 0.29 0.0 0.00 0.0 0.00 Light rain in progress
9/26/2018 4:50 AM 0.39 M M M M
9/27/2018 5:00 AM 1.02 M M M M A line of thunderstorms came thru, approximately 5:45-6:45pm. Knocked out satellite reception.
9/28/2018 8:40 AM 1.94 M M M M The sun is out this morning!!!
9/29/2018 8:00 AM 0.00 0.0 M M M
9/30/2018 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
10/13/2017 10/14/2017 8:30 AM 2 0.01 0.0 0.00 Misty drizzly pattern
11/18/2017 11/19/2017 2:30 PM 2 0.13 0.0 0.00
12/31/2017 1/02/2018 8:15 AM 3 T 0.2 M Additional flurries on morning of Dec. 30. Current snow depth is Trace to 5/16". Skate-able ice on local lakes.
1/11/2018 1/16/2018 10:00 AM 6 0.80 0.0 M Rain on Friday into Saturday morning. Big cold front Saturday, dropping from mid 50s before 1a to around 20 by 1130p. Rainwater in gauge was solid ice which I had to melt down.
3/31/2018 4/01/2018 5:00 PM 2 0.02 0.0 0.00
4/7/2018 4/09/2018 6:00 AM 3 0.00 0.0 0.00
5/18/2018 5/19/2018 8:30 AM 2 1.47 0.0 0.00
6/13/2018 6/14/2018 3:10 AM 2 0.01 0.0 0.00
8/4/2018 8/13/2018 7:00 AM 10 2.64 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