Station Overview Station Location
Station Number MD-WH-1 Latitude 39.608945
Station Name Williamsport 2.8 ENE Longitude -77.769369
County Washington Elevation (ft) 574



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 10 3.14 4.60 28 4.60 28 0.00 0 0 12 2 0.0 0 0
Nov 10 3.20 2.51 30 2.51 30 0.00 0 0 7 4 0.0 0 0
Dec 10 2.95 2.57 30 2.57 30 0.00 0 0 5 4 1.1 1 2
Jan 11 2.60 1.61 29 1.61 29 0.00 0 0 6 4 10.8 4 10
Feb 11 2.49 2.68 29 1.78 25 0.90 4 1 9 1 4.5 1 12
March 11 3.44 5.28 31 4.97 25 0.31 6 2 11 1 2.5 1 1
April 11 3.41 7.91 29 4.36 15 3.55 14 4 8 4 0.0 0 0
May 11 4.00 0.73 11 0.62 7 0.11 4 2 3 1 0.0 0 0
June 11 3.72 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
July 11 3.48 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Aug 11 3.12 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Sept 11 3.68 0.00 0 0.00 0 0.00 0 0 0 0 0.0 0 0
Water Year Totals: 39.23" 27.89" 217 days 23.02" 189 4.87" 28 days 9 61 days 21 days 18.9" 7 days 25 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
10/1/2010 2.88
10/2/2010 0.01
10/3/2010 0.00
10/4/2010 0.08
10/5/2010 0.31
10/6/2010 0.02
10/7/2010 0.17
10/8/2010 T
10/9/2010
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.00
10/13/2010 0.00
10/14/2010 0.00
10/15/2010 0.64
10/16/2010 T
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.09
10/20/2010 0.05
10/21/2010 0.00
10/22/2010 0.00
10/23/2010 0.00
10/24/2010 0.00
10/25/2010 0.00
10/26/2010 0.01
10/27/2010 0.32
10/28/2010 0.02
10/29/2010 0.00
10/30/2010
10/31/2010
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.26
11/5/2010 0.81
11/6/2010 T
11/7/2010 0.00
11/8/2010 0.00
11/9/2010 0.00
11/10/2010 0.00
11/11/2010 0.00
11/12/2010 0.00
11/13/2010 0.00
11/14/2010 0.00
11/15/2010 0.00
11/16/2010 0.14
11/17/2010 0.99
11/18/2010 T
11/19/2010 0.00
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 0.00
11/23/2010 0.00
11/24/2010 0.03
11/25/2010 0.19
11/26/2010 0.09
11/27/2010 T
11/28/2010 T
11/29/2010 0.00
11/30/2010 0.00
12/1/2010 0.50
12/2/2010 1.51
12/3/2010 0.00
12/4/2010 0.00
12/5/2010
12/6/2010 T
12/7/2010 0.00
12/8/2010 0.00
12/9/2010 0.00
12/10/2010 0.00
12/11/2010 T
12/12/2010 0.21
12/13/2010 0.23
12/14/2010 T
12/15/2010 0.00
12/16/2010 0.00
12/17/2010 0.12
12/18/2010 0.00
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 0.00
12/22/2010 0.00
12/23/2010 0.00
12/24/2010 0.00
12/25/2010 0.00
12/26/2010 T
12/27/2010 0.00
12/28/2010 0.00
12/29/2010 0.00
12/30/2010 0.00
12/31/2010 0.00
Day of YearDaily PrcpMultiday Prcp
1/1/2011 0.00
1/2/2011 T
1/3/2011
1/4/2011
1/5/2011 0.00
1/6/2011 0.00
1/7/2011 T
1/8/2011 0.05
1/9/2011 0.00
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.22
1/13/2011 0.00
1/14/2011 0.00
1/15/2011 0.00
1/16/2011 0.00
1/17/2011 0.00
1/18/2011 0.22
1/19/2011 0.11
1/20/2011 0.00
1/21/2011 T
1/22/2011 0.00
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 0.00
1/26/2011 T
1/27/2011 0.93
1/28/2011 0.00
1/29/2011 0.08
1/30/2011 0.00
1/31/2011 0.00
2/1/2011 0.02 **
2/2/2011 **
2/3/2011 **
2/4/2011 0.90
2/5/2011 0.17
2/6/2011 0.20
2/7/2011 T
2/8/2011 0.01
2/9/2011 0.00
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 0.00
2/14/2011 0.00
2/15/2011 0.00
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 0.00
2/21/2011 0.05
2/22/2011 0.72
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.33
2/26/2011 0.08
2/27/2011 0.00
2/28/2011 0.20
3/1/2011 **
3/2/2011 **
3/3/2011 T
3/4/2011 **
3/5/2011 **
3/6/2011 0.31
3/7/2011 1.46
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.40
3/11/2011 1.09
3/12/2011 T
3/13/2011 0.00
3/14/2011 0.00
3/15/2011 0.00
3/16/2011 0.19
3/17/2011 0.01
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.01
3/22/2011 0.27
3/23/2011 0.36
3/24/2011 0.85
3/25/2011 0.05
3/26/2011 0.00
3/27/2011 0.00
3/28/2011 0.00
3/29/2011 0.00
3/30/2011 0.00
3/31/2011 0.28
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.21
4/2/2011 0.01
4/3/2011 **
4/4/2011 **
4/5/2011 0.19
4/6/2011 0.19
4/7/2011 T
4/8/2011 **
4/9/2011 **
4/10/2011 0.42
4/11/2011 0.00
4/12/2011 T
4/13/2011 1.05
4/14/2011 0.31
4/15/2011 **
4/16/2011 **
4/17/2011 2.31
4/18/2011 0.00
4/19/2011
4/20/2011 0.95
4/21/2011 T
4/22/2011 0.00
4/23/2011 **
4/24/2011 **
4/25/2011 **
4/26/2011 0.63
4/27/2011 T
4/28/2011 0.79
4/29/2011 0.85
4/30/2011 **
5/1/2011 0.10
5/2/2011 0.04
5/3/2011 0.01
5/4/2011 0.57
5/5/2011 T
5/6/2011 **
5/7/2011 **
5/8/2011 0.01
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011
5/13/2011
5/14/2011
5/15/2011
5/16/2011
5/17/2011
5/18/2011
5/19/2011
5/20/2011
5/21/2011
5/22/2011
5/23/2011
5/24/2011
5/25/2011
5/26/2011
5/27/2011
5/28/2011
5/29/2011
5/30/2011
5/31/2011
6/1/2011
6/2/2011
6/3/2011
6/4/2011
6/5/2011
6/6/2011
6/7/2011
6/8/2011
6/9/2011
6/10/2011
6/11/2011
6/12/2011
6/13/2011
6/14/2011
6/15/2011
6/16/2011
6/17/2011
6/18/2011
6/19/2011
6/20/2011
6/21/2011
6/22/2011
6/23/2011
6/24/2011
6/25/2011
6/26/2011
6/27/2011
6/28/2011
6/29/2011
6/30/2011
Day of YearDaily PrcpMultiday Prcp
7/1/2011
7/2/2011
7/3/2011
7/4/2011
7/5/2011
7/6/2011
7/7/2011
7/8/2011
7/9/2011
7/10/2011
7/11/2011
7/12/2011
7/13/2011
7/14/2011
7/15/2011
7/16/2011
7/17/2011
7/18/2011
7/19/2011
7/20/2011
7/21/2011
7/22/2011
7/23/2011
7/24/2011
7/25/2011
7/26/2011
7/27/2011
7/28/2011
7/29/2011
7/30/2011
7/31/2011
8/1/2011
8/2/2011
8/3/2011
8/4/2011
8/5/2011
8/6/2011
8/7/2011
8/8/2011
8/9/2011
8/10/2011
8/11/2011
8/12/2011
8/13/2011
8/14/2011
8/15/2011
8/16/2011
8/17/2011
8/18/2011
8/19/2011
8/20/2011
8/21/2011
8/22/2011
8/23/2011
8/24/2011
8/25/2011
8/26/2011
8/27/2011
8/28/2011
8/29/2011
8/30/2011
8/31/2011
9/1/2011
9/2/2011
9/3/2011
9/4/2011
9/5/2011
9/6/2011
9/7/2011
9/8/2011
9/9/2011
9/10/2011
9/11/2011
9/12/2011
9/13/2011
9/14/2011
9/15/2011
9/16/2011
9/17/2011
9/18/2011
9/19/2011
9/20/2011
9/21/2011
9/22/2011
9/23/2011
9/24/2011
9/25/2011
9/26/2011
9/27/2011
9/28/2011
9/29/2011
9/30/2011



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 4:09 AM 2.88 M M M M mist rain
10/2/2010 7:53 AM 0.01 M M M M
10/3/2010 7:11 AM 0.00 0.0 M M M
10/4/2010 4:19 AM 0.08 M M M M Light Rain
10/5/2010 4:12 AM 0.31 M M M M
10/6/2010 4:08 AM 0.02 M M M M Light Rain
10/7/2010 4:14 AM 0.17 M M M M
10/8/2010 4:08 AM T M M M M
10/10/2010 6:00 AM 0.00 0.0 M M M
10/11/2010 6:14 AM 0.00 0.0 M M M
10/12/2010 4:09 AM 0.00 0.0 M M M
10/13/2010 4:22 AM 0.00 0.0 M M M
10/14/2010 4:17 AM 0.00 0.0 M M M
10/15/2010 6:23 AM 0.64 M M M M
10/16/2010 7:30 AM T M M M M
10/17/2010 4:50 AM 0.00 0.0 M M M
10/18/2010 4:10 AM 0.00 0.0 M M M
10/19/2010 4:06 AM 0.09 M M M M raining
10/20/2010 4:11 AM 0.05 M M M M condensation on gauge this morning
10/21/2010 4:21 AM 0.00 0.0 M M M
10/22/2010 4:18 AM 0.00 0.0 M M M
10/23/2010 8:14 AM 0.00 0.0 M M M frost on grass
10/24/2010 6:54 AM 0.00 0.0 M M M
10/25/2010 4:08 AM 0.00 0.0 M M M
10/26/2010 4:19 AM 0.01 M M M M
10/27/2010 4:01 AM 0.32 M M M M
10/28/2010 8:24 AM 0.02 M M M M
10/29/2010 4:07 AM 0.00 0.0 M M M
11/1/2010 6:57 AM 0.00 0.0 M M M frost
11/2/2010 4:05 AM 0.00 0.0 M M M
11/3/2010 4:07 AM 0.00 0.0 M M M frost
11/4/2010 4:12 AM 0.26 M M M M raining
11/5/2010 4:18 AM 0.81 M M M M
11/6/2010 5:36 AM T M M M M
11/7/2010 5:02 AM 0.00 0.0 M M M
11/8/2010 4:19 AM 0.00 0.0 M M M
11/9/2010 4:20 AM 0.00 0.0 M M M
11/10/2010 4:09 AM 0.00 0.0 M M M
11/11/2010 6:20 AM 0.00 0.0 M M M
11/12/2010 6:34 AM 0.00 0.0 M M M frost on gauge
11/13/2010 6:22 AM 0.00 0.0 M M M frost on gauge
11/14/2010 6:15 AM 0.00 0.0 M M M frost on gauge
11/15/2010 4:20 AM 0.00 0.0 M M M
11/16/2010 4:08 AM 0.14 M M M M drizzle
11/17/2010 4:10 AM 0.99 M M M M
11/18/2010 4:00 AM T M M M M
11/19/2010 6:51 AM 0.00 0.0 M M M
11/20/2010 6:39 AM 0.00 0.0 M M M
11/21/2010 7:43 AM 0.00 0.0 M M M
11/22/2010 4:08 AM 0.00 0.0 M M M
11/23/2010 4:09 AM 0.00 0.0 M M M
11/24/2010 6:57 AM 0.03 M M M M
11/25/2010 6:41 AM 0.19 M M M M rain
11/26/2010 7:06 AM 0.09 M M M M
11/27/2010 7:02 AM T M M M M
11/28/2010 6:02 AM T 0.0 M M M flurries at 9 am
11/29/2010 4:09 AM 0.00 0.0 M M M frost on gauge
11/30/2010 4:17 AM 0.00 0.0 M M M
12/1/2010 4:13 AM 0.50 M M M M raining fairly hard. I'm wet.
12/2/2010 4:12 AM 1.51 M M M M some ice in sample had to be melted
12/3/2010 4:14 AM 0.00 0.0 M M M
12/4/2010 6:47 AM 0.00 0.0 M M M
12/6/2010 4:13 AM T 0.0 M M M Flurries spotted about 12:30 pm
12/7/2010 4:00 AM 0.00 0.0 M M M
12/8/2010 4:05 AM 0.00 0.0 M M M
12/9/2010 7:05 AM 0.00 0.0 M M M frost on gauge
12/10/2010 4:17 AM 0.00 0.0 M M M
12/11/2010 7:21 AM T 0.0 M 0.0 M
12/12/2010 7:00 AM 0.21 M M M M misty rain
12/13/2010 4:11 AM 0.23 M M M M
12/14/2010 4:22 AM T 0.0 M 0.0 M
12/15/2010 7:56 AM 0.00 0.0 M M M
12/16/2010 4:01 AM 0.00 0.0 M M M
12/17/2010 4:07 AM 0.12 1.1 M 1.0 M
12/18/2010 7:43 AM 0.00 0.0 M 0.5 M
12/19/2010 7:37 AM 0.00 0.0 M T M
12/20/2010 4:00 AM 0.00 0.0 M T M
12/21/2010 4:04 AM 0.00 0.0 M M M
12/22/2010 4:05 AM 0.00 0.0 M M M
12/23/2010 6:05 AM 0.00 0.0 M M M
12/24/2010 6:04 AM 0.00 0.0 M M M
12/25/2010 7:07 AM 0.00 0.0 M M M
12/26/2010 8:03 AM T T M 0.0 M
12/27/2010 4:00 AM 0.00 0.0 M M M
12/28/2010 4:15 AM 0.00 0.0 M M M
12/29/2010 4:00 AM 0.00 0.0 M M M
12/30/2010 5:45 AM 0.00 0.0 M M M
12/31/2010 7:29 AM 0.00 0.0 M M M
1/1/2011 7:55 AM 0.00 0.0 M M M
1/2/2011 6:36 AM T M M M M light rain
1/5/2011 6:47 AM 0.00 0.0 M M M
1/6/2011 7:16 AM 0.00 0.0 M M M
1/7/2011 6:42 AM T T M 0.0 M
1/8/2011 7:10 AM 0.05 1.1 M 1.0 M
1/9/2011 7:30 AM 0.00 0.0 M T M
1/10/2011 4:06 AM 0.00 0.0 M M M 16.7 F
1/11/2011 4:01 AM 0.00 0.0 M M M 22.4º
1/12/2011 4:18 AM 0.22 2.5 M 2.5 M 21.9º
1/13/2011 4:09 AM 0.00 0.0 M 0.5 M 24.0º
1/14/2011 4:05 AM 0.00 0.0 M T M 22.2º
1/15/2011 7:58 AM 0.00 0.0 M M M 25.5º
1/16/2011 6:44 AM 0.00 0.0 M M M 29.8º
1/17/2011 6:09 AM 0.00 0.0 M M M 25.5º
1/18/2011 4:12 AM 0.22 1.6 M 1.5 M 23.9º freezing rain
1/19/2011 4:00 AM 0.11 0.0 M 0.5 M 33.5º faint drizzle
1/20/2011 4:00 AM 0.00 0.0 M 0.0 M 32.0º
1/21/2011 6:13 AM T T M 0.0 M 28.5º
1/22/2011 6:58 AM 0.00 0.0 M M M 11.3º
1/23/2011 6:35 AM 0.00 0.0 M M M 21.2º
1/24/2011 4:00 AM 0.00 0.0 M M M 8.6º
1/25/2011 4:14 AM 0.00 0.0 M M M 28.5º
1/26/2011 4:05 AM T T M 0.0 M 31.2º light snow with crackle sound
1/27/2011 6:37 AM 0.93 5.6 M 5.5 M 29.1º
1/28/2011 4:14 AM 0.00 0.0 M 4.5 M 28.2º
1/29/2011 7:24 AM 0.08 T M 4.0 M 26.9º
1/30/2011 7:12 AM 0.00 0.0 M 3.5 M 22.1º
1/31/2011 4:00 AM 0.00 0.0 M 3.5 M 22.4º
2/1/2011 5:50 AM 0.02 M M 3.5 M 27.6º snow is crusty
2/5/2011 7:10 AM 0.17 M M 1.0 M 33.4º raining
2/6/2011 7:07 AM 0.20 T M 1.0 M 34.8º
2/7/2011 4:00 AM T M M 0.5 M 30.3º
2/8/2011 4:08 AM 0.01 M M 0.5 M 35.9º
2/9/2011 4:00 AM 0.00 0.0 M 0.5 M 14.9º
2/10/2011 4:08 AM 0.00 0.0 M 0.5 M 22.4º
2/11/2011 4:00 AM 0.00 0.0 M 0.5 M 12.5º
2/12/2011 7:02 AM 0.00 0.0 M 0.0 M 28.5º
2/13/2011 7:13 AM 0.00 0.0 M M M 32.0º
2/14/2011 4:16 AM 0.00 0.0 M M M 42.8º
2/15/2011 4:00 AM 0.00 0.0 M M M 26.9º
2/16/2011 4:06 AM 0.00 0.0 M M M 31.6º
2/17/2011 8:29 AM 0.00 0.0 M M M 59.1º
2/18/2011 4:00 AM 0.00 0.0 M M M 53.4º soggy ground, no water in gauge
2/19/2011 7:49 AM 0.00 0.0 M M M 44.0º
2/20/2011 6:50 AM 0.00 0.0 M M M 27.1º
2/21/2011 6:41 AM 0.05 M M M M 35.0º
2/22/2011 4:11 AM 0.72 4.5 M 4.5 M 20.4º
2/23/2011 4:05 AM 0.00 0.0 M 2.5 M 16.4º
2/24/2011 4:24 AM 0.00 0.0 M 1.5 M 22.4º
2/25/2011 4:00 AM 0.33 M M 0.5 M 35.2º
2/26/2011 6:43 AM 0.08 M M 0.0 M 31.4º
2/27/2011 6:00 AM 0.00 0.0 M M M 39.9º
2/28/2011 6:00 AM 0.20 M M M M 44.2º
3/7/2011 4:03 AM 1.46 2.5 M 2.5 M 32.0º
3/8/2011 4:12 AM 0.00 0.0 M 0.0 M 26.2º
3/9/2011 4:00 AM 0.00 0.0 M M M 36.0º
3/10/2011 4:13 AM 0.40 M M M M raining 46.5º
3/11/2011 4:00 AM 1.09 M M M M 39.7º
3/12/2011 6:35 AM T M M M M 35.0º
3/13/2011 6:52 AM 0.00 0.0 M M M 43.1º
3/14/2011 4:03 AM 0.00 0.0 M M M 39.7º
3/15/2011 4:10 AM 0.00 0.0 M M M 30.5º
3/16/2011 4:15 AM 0.19 M M M M 42.5º
3/17/2011 4:10 AM 0.01 M M M M 38.7º
3/18/2011 4:00 AM 0.00 0.0 M M M 51.4º
3/19/2011 7:09 AM 0.00 0.0 M M M 44.9º
3/20/2011 8:16 AM 0.00 0.0 M M M 34.6º
3/21/2011 4:14 AM 0.01 M M M M 42.0º
3/22/2011 6:43 AM 0.27 M M M M 44.9º
3/23/2011 3:45 AM 0.36 M M M M 42.0º raining
3/24/2011 4:11 AM 0.85 M M M M 38.3º misty
3/25/2011 4:01 AM 0.05 M M M M 27.8º
3/26/2011 7:02 AM 0.00 0.0 M M M 25.1º
3/27/2011 6:40 AM 0.00 0.0 M M M 32.0º
3/28/2011 4:11 AM 0.00 0.0 M M M 27.8º
3/29/2011 4:20 AM 0.00 0.0 M M M 25.7º
3/30/2011 4:14 AM 0.00 0.0 M M M 31.2º
3/31/2011 5:50 AM 0.28 M M M M 35.9º misty
4/1/2011 3:51 AM 0.21 M M M M 37.5º drizzle
4/2/2011 6:29 AM 0.01 M M M M 32.3º light rain
4/6/2011 4:16 AM 0.19 M M M M 33.4º
4/7/2011 6:52 AM T M M M M 41.7º
4/11/2011 4:28 AM 0.00 0.0 M M M 55.0º
4/12/2011 4:14 AM T M M M M 61.1º
4/13/2011 4:20 AM 1.05 M M M M 50.0º light rain
4/14/2011 7:06 AM 0.31 M M M M 41.3º
4/18/2011 4:00 AM 0.00 0.0 M M M 49.2º
4/20/2011 4:08 AM 0.95 M M M M 48.7º
4/21/2011 4:40 AM T M M M M 49.6º
4/22/2011 4:20 AM 0.00 0.0 M M M 41.1º
4/27/2011 4:15 AM T M M M M
4/28/2011 4:07 AM 0.79 M M M M raining 64.5º
4/29/2011 4:20 AM 0.85 M M M M 54.3º
5/2/2011 4:05 AM 0.04 M M M M 53.2º
5/3/2011 4:14 AM 0.01 M M M M 60.8º
5/4/2011 5:57 PM 0.57 M M M M 54.5º light rain
5/5/2011 4:08 AM T M M M M 44.4º
5/9/2011 4:10 AM 0.00 0.0 M M M 50.1º
5/10/2011 4:00 AM 0.00 0.0 M M M 49.4º
5/11/2011 4:07 AM 0.00 0.0 M M M 61.1º



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
2/1/2011 2/04/2011 7:48 AM 4 0.90 2.5 M 21.9º
3/1/2011 3/03/2011 5:36 AM 3 T M M 20.6º sample contaminated during defreezing in warm bath
3/4/2011 3/06/2011 6:41 AM 3 0.31 M M 52.1º raining
4/3/2011 4/05/2011 4:02 AM 3 0.19 M M 60.5º raining
4/8/2011 4/10/2011 5:16 PM 3 0.42 M M 65.3º
4/15/2011 4/17/2011 6:59 PM 3 2.31 M M 62.9º
4/23/2011 4/26/2011 7:58 PM 4 0.63 M M 77.1º
4/30/2011 5/01/2011 6:07 PM 2 0.10 M M
5/6/2011 5/08/2011 7:57 PM 3 0.01 M M



Observation Date Observation Time Notes Largest Stone Size Average Stone Size Smallest Stone Size Stone Consistency Duration Minutes Durration Accuracy Damage Timing More Rain than Hail Hail Started Largest Hail Started Angle of Impact Number of Stones on Pad Distance Between Stones on Pad Depth of Stones on Ground