Station Overview Station Location
Station Number PA-LY-2 Latitude 41.257074
Station Name Williamsport 2.0 NE Longitude -77.008525
County Lycoming Elevation (ft) 584



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 09 3.61 5.43 31 5.43 31 0.00 0 0 13 6 0.3 1 0
Nov 09 3.67 1.48 30 1.48 30 0.00 0 0 8 2 0.0 0 0
Dec 09 3.05 4.28 31 2.71 28 1.57 3 1 10 12 10.2 7 15
Jan 10 2.78 4.01 29 3.85 27 0.16 2 1 8 8 5.0 6 15
Feb 10 2.45 1.50 26 1.50 26 0.00 0 0 12 5 18.5 12 19
March 10 3.35 3.01 30 3.01 30 0.00 0 0 11 5 0.8 1 2
April 10 3.41 1.91 30 1.91 30 0.00 0 0 7 4 0.0 0 0
May 10 3.87 3.21 31 3.21 31 0.00 0 0 13 4 0.0 0 0
June 10 4.18 3.66 30 2.00 28 1.66 2 1 11 5 0.0 0 0
July 10 4.02 4.03 32 3.83 29 0.20 3 1 12 0 0.0 0 0
Aug 10 3.94 3.60 30 3.60 30 0.00 0 0 11 4 0.0 0 0
Sept 10 4.21 2.63 30 2.63 30 0.00 0 0 9 4 0.0 0 0
Water Year Totals: 42.54" 38.75" 360 days 35.16" 350 3.59" 10 days 4 125 days 59 days 34.8" 27 days 51 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
10/1/2009 T
10/2/2009 0.00
10/3/2009 0.42
10/4/2009 0.00
10/5/2009 0.00
10/6/2009 0.00
10/7/2009 0.02
10/8/2009 T
10/9/2009 0.24
10/10/2009 0.28
10/11/2009 T
10/12/2009 0.00
10/13/2009 0.01
10/14/2009 T
10/15/2009 T
10/16/2009 0.90
10/17/2009 0.53
10/18/2009 0.20
10/19/2009 0.00
10/20/2009 0.00
10/21/2009 0.00
10/22/2009 0.00
10/23/2009 0.00
10/24/2009 0.71
10/25/2009 0.86
10/26/2009 0.00
10/27/2009 0.00
10/28/2009 0.91
10/29/2009 0.34
10/30/2009 0.01
10/31/2009 T
11/1/2009 0.05
11/2/2009 0.00
11/3/2009 0.00
11/4/2009 0.00
11/5/2009 0.00
11/6/2009 0.01
11/7/2009 0.00
11/8/2009 0.00
11/9/2009 0.00
11/10/2009 0.00
11/11/2009 0.00
11/12/2009 0.00
11/13/2009 0.00
11/14/2009 T
11/15/2009 T
11/16/2009 0.00
11/17/2009 0.00
11/18/2009 0.00
11/19/2009 0.00
11/20/2009 0.77
11/21/2009 0.00
11/22/2009 0.00
11/23/2009 0.00
11/24/2009 0.09
11/25/2009 0.32
11/26/2009 0.02
11/27/2009 0.20
11/28/2009 0.00
11/29/2009 0.00
11/30/2009 0.02
12/1/2009 0.09
12/2/2009 T
12/3/2009 0.56
12/4/2009 0.01
12/5/2009 0.00
12/6/2009 0.26
12/7/2009 0.00
12/8/2009 T
12/9/2009 1.01
12/10/2009 0.32
12/11/2009 T
12/12/2009 T
12/13/2009 0.00
12/14/2009 0.36
12/15/2009 0.01
12/16/2009 T
12/17/2009 T
12/18/2009 T
12/19/2009 T
12/20/2009 0.06
12/21/2009 T
12/22/2009 T
12/23/2009 0.03
12/24/2009 0.00
12/25/2009 0.00
12/26/2009 **
12/27/2009 1.57
12/28/2009 T
12/29/2009 T
12/30/2009 0.00
12/31/2009 **
Day of YearDaily PrcpMultiday Prcp
1/1/2010 **
1/2/2010 0.16
1/3/2010 T
1/4/2010 T
1/5/2010 T
1/6/2010 0.02
1/7/2010 0.00
1/8/2010 0.08
1/9/2010 0.07
1/10/2010 0.00
1/11/2010 0.00
1/12/2010 0.03
1/13/2010 T
1/14/2010 0.00
1/15/2010 0.00
1/16/2010 0.00
1/17/2010 0.00
1/18/2010 0.65
1/19/2010 0.00
1/20/2010 T
1/21/2010
1/22/2010 0.00
1/23/2010 0.00
1/24/2010 0.00
1/25/2010 1.85
1/26/2010 1.14
1/27/2010 T
1/28/2010 T
1/29/2010 0.01
1/30/2010 T
1/31/2010
2/1/2010 0.00
2/2/2010 0.00
2/3/2010 0.01
2/4/2010 T
2/5/2010 0.00
2/6/2010 0.40
2/7/2010 0.00
2/8/2010 0.00
2/9/2010 0.00
2/10/2010 0.17
2/11/2010 0.26
2/12/2010 0.00
2/13/2010 0.00
2/14/2010 T
2/15/2010 T
2/16/2010 0.06
2/17/2010 T
2/18/2010 0.01
2/19/2010 T
2/20/2010 0.00
2/21/2010
2/22/2010
2/23/2010 0.08
2/24/2010 0.05
2/25/2010 0.19
2/26/2010 0.22
2/27/2010 0.03
2/28/2010 0.02
3/1/2010 T
3/2/2010 0.00
3/3/2010 0.06
3/4/2010 0.01
3/5/2010 0.00
3/6/2010 0.00
3/7/2010 0.00
3/8/2010
3/9/2010 0.00
3/10/2010 0.00
3/11/2010 T
3/12/2010 0.01
3/13/2010 0.35
3/14/2010 0.50
3/15/2010 0.29
3/16/2010 T
3/17/2010 0.00
3/18/2010 0.00
3/19/2010 0.00
3/20/2010 0.00
3/21/2010 0.00
3/22/2010 T
3/23/2010 0.57
3/24/2010 0.02
3/25/2010 0.00
3/26/2010 0.40
3/27/2010 0.00
3/28/2010 0.00
3/29/2010 0.79
3/30/2010 T
3/31/2010 0.01
Day of YearDaily PrcpMultiday Prcp
4/1/2010 0.00
4/2/2010 0.00
4/3/2010 0.00
4/4/2010 0.00
4/5/2010 0.00
4/6/2010 T
4/7/2010 0.01
4/8/2010 0.00
4/9/2010 0.31
4/10/2010 0.00
4/11/2010 0.00
4/12/2010 T
4/13/2010 T
4/14/2010 0.00
4/15/2010 0.00
4/16/2010 0.00
4/17/2010 0.22
4/18/2010 T
4/19/2010 0.00
4/20/2010 0.00
4/21/2010 0.00
4/22/2010 0.14
4/23/2010 0.00
4/24/2010 0.00
4/25/2010 0.56
4/26/2010 0.16
4/27/2010 0.51
4/28/2010 0.00
4/29/2010 0.00
4/30/2010 0.00
5/1/2010 0.00
5/2/2010 0.00
5/3/2010 0.12
5/4/2010 T
5/5/2010 0.22
5/6/2010 0.24
5/7/2010 T
5/8/2010 0.61
5/9/2010 0.01
5/10/2010 0.00
5/11/2010 0.00
5/12/2010 1.10
5/13/2010 0.00
5/14/2010 0.14
5/15/2010 0.09
5/16/2010 0.00
5/17/2010 0.00
5/18/2010 T
5/19/2010 0.28
5/20/2010 T
5/21/2010 0.00
5/22/2010 0.00
5/23/2010 0.28
5/24/2010 0.06
5/25/2010 0.00
5/26/2010 0.00
5/27/2010 0.00
5/28/2010 0.04
5/29/2010 0.02
5/30/2010 0.00
5/31/2010 0.00
6/1/2010 0.23
6/2/2010 0.11
6/3/2010 0.00
6/4/2010 T
6/5/2010 T
6/6/2010 0.02
6/7/2010 0.04
6/8/2010 0.00
6/9/2010 T
6/10/2010 0.49
6/11/2010 0.00
6/12/2010 0.00
6/13/2010 **
6/14/2010 1.66
6/15/2010 0.00
6/16/2010 0.13
6/17/2010 0.20
6/18/2010 0.00
6/19/2010 0.00
6/20/2010 0.00
6/21/2010 0.00
6/22/2010 T
6/23/2010 0.26
6/24/2010 0.00
6/25/2010 0.13
6/26/2010 0.00
6/27/2010 0.33
6/28/2010 T
6/29/2010 0.06
6/30/2010 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2010 0.00
7/2/2010 0.00
7/3/2010 0.00
7/4/2010 0.00
7/5/2010 0.00
7/6/2010 0.00
7/7/2010 0.00
7/8/2010 0.00
7/9/2010 0.00
7/10/2010 0.95
7/11/2010 0.00
7/12/2010 0.00
7/13/2010 0.01
7/14/2010 0.29
7/15/2010 0.01
7/16/2010 0.00
7/17/2010 0.00
7/18/2010 0.00
7/19/2010 0.01
7/20/2010 0.03
7/21/2010 0.08
7/22/2010 0.23
7/23/2010 0.22
7/24/2010 0.20
7/25/2010 0.81
7/26/2010 0.99
7/27/2010 0.00
7/28/2010 0.00 **
7/29/2010 **
7/30/2010 0.20
7/31/2010 0.00
8/1/2010 0.01
8/2/2010 0.00
8/3/2010 0.00
8/4/2010 T
8/5/2010 T
8/6/2010 0.42
8/7/2010 T
8/8/2010 0.00
8/9/2010 0.00
8/10/2010 0.00
8/11/2010 T
8/12/2010 0.24
8/13/2010 0.95
8/14/2010 0.02
8/15/2010 0.10
8/16/2010 0.54
8/17/2010 0.00
8/18/2010 0.00
8/19/2010 0.00
8/20/2010 0.00
8/21/2010
8/22/2010 0.90
8/23/2010 0.11
8/24/2010 0.28
8/25/2010 0.03
8/26/2010 0.00
8/27/2010 0.00
8/28/2010 0.00
8/29/2010 0.00
8/30/2010 0.00
8/31/2010 0.00
9/1/2010 0.00
9/2/2010 0.00
9/3/2010 0.00
9/4/2010 T
9/5/2010 T
9/6/2010 0.00
9/7/2010 T
9/8/2010 0.00
9/9/2010 0.00
9/10/2010 0.00
9/11/2010 T
9/12/2010 0.17
9/13/2010 0.01
9/14/2010 0.00
9/15/2010 0.00
9/16/2010 0.00
9/17/2010 0.27
9/18/2010 0.00
9/19/2010 0.00
9/20/2010 0.34
9/21/2010 0.00
9/22/2010 0.00
9/23/2010 0.30
9/24/2010 0.00
9/25/2010 0.00
9/26/2010 0.00
9/27/2010 0.03
9/28/2010 0.86
9/29/2010 0.15
9/30/2010 0.50



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2009 7:00 AM T 0.0 0.00 0.0 0.00 My September rainfall was 2.64".
10/2/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/3/2009 7:30 AM 0.42 0.0 0.00 0.0 0.00 Dense fog at observation time.
10/4/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/5/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/6/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/7/2009 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/8/2009 7:00 AM T 0.0 0.00 0.0 0.00
10/9/2009 7:30 AM 0.24 0.0 0.00 0.0 0.00
10/10/2009 7:00 AM 0.28 0.0 0.00 0.0 0.00 October rainfall to date is 0.96".
10/11/2009 7:00 AM T 0.0 0.00 0.0 0.00 Midday sprinkles on Oct. 10.
10/12/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/13/2009 7:00 AM 0.01 0.0 0.00 0.0 0.00
10/14/2009 7:15 AM T 0.0 0.00 0.0 0.00 First frost and freeze of the season (29.8°F) at observation time.
10/15/2009 7:00 AM T 0.0 0.00 0.0 0.00
10/16/2009 7:15 AM 0.90 0.3 M 0.0 0.00 Elevation is ~ 580'. All snow fell for 3-5 hours on the afternoon of Oct. 15. Snow melted Thursday night. Max snow depth of 1.2" at ~940' at 6:30 p.m. on Oct. 15.
10/17/2009 7:00 AM 0.53 T T 0.0 0.00
10/18/2009 7:00 AM 0.20 0.0 0.00 0.0 0.00 Total precip. from the last 3 days of precip (mostly rain) was 1.64".
10/19/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/20/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/21/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/22/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense fog near Susquehanna River at obs. time.
10/23/2009 8:00 AM 0.00 0.0 0.00 0.0 0.00
10/24/2009 8:45 AM 0.71 0.0 0.00 0.0 0.00
10/25/2009 8:00 AM 0.86 0.0 0.00 0.0 0.00 October is now the 3rd wettest month of 2009.
10/26/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense fog with visibility < 1/4 mile near Susuquehanna River.
10/27/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/28/2009 7:30 AM 0.91 0.0 0.00 0.0 0.00 Monthly precip. is now > 5".
10/29/2009 7:30 AM 0.34 0.0 0.00 0.0 0.00
10/30/2009 7:30 AM 0.01 0.0 0.00 0.0 0.00
10/31/2009 7:00 AM T 0.0 0.00 0.0 0.00
11/1/2009 7:00 AM 0.05 0.0 0.00 0.0 0.00 October precipitation totalled 5.48".
11/2/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/3/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/5/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/6/2009 7:00 AM 0.01 T T 0.0 0.00 There was a rain shower and sprinkles in the afternoon of Nov. 5. and snow pellets at night.
11/7/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/8/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/9/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/11/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/13/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2009 7:00 AM T 0.0 0.00 0.0 0.00 Drizzle early on Nov. 14.
11/15/2009 8:00 AM T 0.0 0.00 0.0 0.00 Drizzle early in this 24-hour period.
11/16/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/17/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 Incredibly mild November continues!
11/18/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/19/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/20/2009 7:00 AM 0.77 0.0 0.00 0.0 0.00 Heaviest rain in the early eve, after dark on Nov. 19, rumbles of thunder.
11/21/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/23/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2009 7:30 AM 0.09 0.0 0.00 0.0 0.00
11/25/2009 7:00 AM 0.32 0.0 0.00 0.0 0.00
11/26/2009 7:30 AM 0.02 0.0 0.00 0.0 0.00
11/27/2009 7:30 AM 0.20 0.0 0.00 0.0 0.00
11/28/2009 8:00 AM 0.00 0.0 0.00 0.0 0.00
11/29/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00 Heavy frost.
11/30/2009 7:00 AM 0.02 0.0 0.00 0.0 0.00
12/1/2009 7:20 AM 0.09 T T 0.0 0.00 Rain ended Monday AM. Snowflakes in air at observation time.
12/2/2009 7:00 AM T T T 0.0 0.00 Light flurries at the very start of this 24-hour period on the morning of Dec. 1.
12/3/2009 7:00 AM 0.56 0.0 0.00 0.0 0.00
12/4/2009 7:30 AM 0.01 0.0 0.00 0.0 0.00 Patchy black ice at observation time on cold surfaces.
12/5/2009 8:00 AM 0.00 0.0 0.00 0.0 0.00
12/6/2009 8:00 AM 0.26 2.6 0.26 2.2 M 2.6" of snow fell during the day Saturday.
12/7/2009 7:00 AM 0.00 0.0 0.00 1.5 M
12/8/2009 7:00 AM T T T 1.0 M Occasional light snow flurries Monday.
12/9/2009 7:45 AM 1.01 6.0 M 5.0 M
12/10/2009 7:00 AM 0.32 T 0.00 3.5 M A few flurries just before observation time.
12/11/2009 7:00 AM T 0.1 T 3.0 M Accumulation form an evening snow shower Thursday. Otherwise, occasional snow flurries.
12/12/2009 7:00 AM T T T 3.0 M A few light snowflakes during the day Friday.
12/13/2009 8:00 AM 0.00 0.0 0.00 3.0 M
12/14/2009 7:10 AM 0.36 0.0 0.00 2.5 M Rain froze on colder surfaces, including some roads, during the day Sunday. Areas of ice on paved surfaces at ob time.
12/15/2009 7:15 AM 0.01 0.0 0.00 2.0 M
12/16/2009 7:00 AM T 0.1 T 0.5 M
12/17/2009 7:00 AM T T T 0.5 M Snow cover is a trace in most of the local flood plain.
12/18/2009 7:00 AM T T T T M Just a few light flurries near the start of this period on Dec. 17.
12/19/2009 7:30 AM T T T T M
12/20/2009 7:00 AM 0.06 0.6 0.06 0.5 0.06 Most of the snow occurred between 1 and 2:30 pm on Dec. 19.
12/21/2009 8:00 AM T T M T T
12/22/2009 7:00 AM T T T T T Precipitation was nly a few light flurries.
12/23/2009 7:00 AM 0.03 0.7 0.03 0.5 0.03 A couple of hours of snow in the morning of Dec. 22. Seasonal snowfall is 10.1".
12/24/2009 7:00 AM 0.00 0.0 0.00 0.5 M
12/25/2009 7:00 AM 0.00 0.0 0.00 T T
12/28/2009 8:15 AM T 0.1 T T T Snow showers at ob time and earlier in the AM.
12/29/2009 7:00 AM T T T 0.0 0.00
12/30/2009 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/3/2010 7:00 AM T T T 1.5 M
1/4/2010 8:00 AM T T T 1.0 M Occasional snow flurries.
1/5/2010 7:00 AM T T T 1.0 M Occasional light snow flurries.
1/6/2010 7:00 AM 0.02 0.7 0.02 1.0 M
1/7/2010 7:00 AM 0.00 0.0 0.00 0.5 M
1/8/2010 7:00 AM 0.08 1.5 0.08 2.0 M
1/9/2010 7:00 AM 0.07 1.6 0.07 3.0 M Snow varied in intensity during the day Friday (Jan. 8). Snow and blowing snow lowered visibility to 1/4 mile at times in the early PM. Second heaviest snowfall of the 09-10 season with 3.1" total.
1/10/2010 7:00 AM 0.00 0.0 0.00 3.0 M
1/11/2010 7:00 AM 0.00 0.0 0.00 2.5 M
1/12/2010 7:00 AM 0.03 0.6 0.03 2.5 M
1/13/2010 7:30 AM T T T 2.5 M Only a few very small snowflakes
1/14/2010 7:00 AM 0.00 0.0 0.00 2.0 M 10° to 12°F at observation time.
1/15/2010 7:00 AM 0.00 0.0 0.00 1.5 M
1/16/2010 7:00 AM 0.00 0.0 0.00 0.5 M
1/17/2010 7:00 AM 0.00 0.0 0.00 T M
1/18/2010 7:00 AM 0.65 0.0 0.00 0.0 0.00
1/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/20/2010 7:00 AM T 0.0 0.00 0.0 0.00
1/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/25/2010 7:00 AM 1.85 0.0 0.00 0.0 0.00 Amount is an estimate.
1/26/2010 7:00 AM 1.14 0.3 M 0.5 M Small streams and most large streams went over their banks Monday (1-25). Total rainfall=2.97". Snow showers before dawn on the 26th; roads snow-covered and icy in spots.
1/27/2010 7:00 AM T T T 0.0 0.00 Occasional light snow flurries.
1/28/2010 7:20 AM T T T T T A few flurries Wednesday. Light snow at ob. time.
1/29/2010 8:00 AM 0.01 0.3 0.01 0.0 0.00 Light snow for a short time early in the period. Additional accumulation during midday on Jan. 28.
1/30/2010 7:00 AM T T T 0.0 0.00 Only a few light flurries on Jan. 29.
2/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/3/2010 7:30 AM 0.01 0.1 0.01 T 0.01
2/4/2010 7:00 AM T T T 0.0 0.00 Snow flurries on the morning of Feb. 3.
2/5/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
2/6/2010 7:00 AM 0.40 3.5 0.40 3.5 0.40
2/7/2010 7:00 AM 0.00 0.0 0.00 3.5 0.40
2/8/2010 7:00 AM 0.00 0.0 0.00 3.0 M
2/9/2010 7:00 AM 0.00 0.0 0.00 2.5 M
2/10/2010 7:30 AM 0.17 2.8 M 4.5 M Snow intensity increased after 5:30 a.m.
2/11/2010 7:00 AM 0.26 4.3 M 7.5 M Total snowfall for Feb. 9-10 was 7.1", the largest storm total of the season to date.
2/12/2010 7:00 AM 0.00 0.0 0.00 6.5 M
2/13/2010 8:00 AM 0.00 0.0 0.00 5.0 M
2/14/2010 7:00 AM T T T 4.5 M Precip. was a few light flurries.
2/15/2010 7:00 AM T T T 4.0 M Occasional light flurries. Clear at ob time.
2/16/2010 7:00 AM 0.06 0.8 0.60 4.5 M
2/17/2010 7:00 AM T 0.1 T 4.0 M
2/18/2010 7:00 AM 0.01 0.2 0.01 4.0 M Accumulating snow Wed. evening (Feb. 17)
2/19/2010 7:00 AM T T T 3.0 M Very light flurries early in the period.
2/20/2010 7:00 AM 0.00 0.0 0.00 1.0 M
2/23/2010 7:00 AM 0.08 0.3 0.50 T M Snow accumulated on colder surfaces.
2/24/2010 7:00 AM 0.05 T T T M Primarily drizzle and light rain occurred.
2/25/2010 7:50 AM 0.19 2.1 0.13 2.0 0.13
2/26/2010 8:30 AM 0.22 3.2 0.15 4.0 M Precip. amount is estimated.
2/27/2010 7:00 AM 0.03 0.6 0.03 4.0 M
2/28/2010 9:00 AM 0.02 0.5 0.02 3.0 M New snow quickly melted after ob time.
3/1/2010 7:00 AM T T T 1.0 M
3/2/2010 7:00 AM 0.00 0.0 0.00 T M
3/3/2010 7:00 AM 0.06 0.8 0.07 1.0 0.07 Paved surfaces are wet except in well-shaded areas.
3/4/2010 7:00 AM 0.01 T 0.01 T M
3/5/2010 7:00 AM 0.00 0.0 0.00 T M
3/6/2010 7:00 AM 0.00 0.0 0.00 T M Snow cover only remains in well-shaded areas.
3/7/2010 7:00 AM 0.00 0.0 0.00 T M
3/9/2010 7:00 AM 0.00 0.0 0.00 T M Only a small patch of snow remains on my property. A light snow cover remains on north slopes of mountains.
3/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/11/2010 7:00 AM T 0.0 0.00 0.0 0.00
3/12/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00 Only a trace of snow left on the north slope of Bald Eagle Mt.
3/13/2010 8:00 AM 0.35 0.0 0.00 0.0 0.00
3/14/2010 8:00 AM 0.50 0.0 0.00 0.0 0.00
3/15/2010 8:00 AM 0.29 0.0 0.00 0.0 0.00
3/16/2010 7:00 AM T 0.0 0.00 0.0 0.00
3/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/22/2010 7:00 AM T 0.0 0.00 0.0 0.00
3/23/2010 7:00 AM 0.57 0.0 0.00 0.0 0.00 Evening t-storm.
3/24/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00
3/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/26/2010 7:00 AM 0.40 0.0 0.00 0.0 0.00
3/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 18°F at observation time.
3/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/29/2010 7:00 AM 0.79 0.0 0.00 0.0 0.00
3/30/2010 7:00 AM T 0.0 0.00 0.0 0.00
3/31/2010 7:00 AM 0.01 T T 0.0 0.00 Tiny ice pellets around 6 pm on March 30.
4/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/4/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/5/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/6/2010 7:00 AM T 0.0 0.00 0.0 0.00 Nice rainbow just before observation time!
4/7/2010 7:30 AM 0.01 0.0 0.00 0.0 0.00
4/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/9/2010 7:00 AM 0.31 0.0 0.00 0.0 0.00 T-storm began about 6:30 pm.
4/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2010 7:00 AM T 0.0 0.00 0.0 0.00 Only a few raindrops Sunday (April 11).
4/13/2010 7:30 AM T 0.0 0.00 0.0 0.00 A few light raindrops at observation time.
4/14/2010 7:30 AM 0.00 0.0 0.00 0.0 0.00
4/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/17/2010 7:00 AM 0.22 0.0 0.00 0.0 0.00 Only 0.53" of rain so far this month.
4/18/2010 7:00 AM T 0.0 0.00 0.0 0.00
4/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost at ob. time.
4/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost at ob. time; temp=33°F
4/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/22/2010 7:00 AM 0.14 0.0 0.00 0.0 0.00 Fog at observation time.
4/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost and 32°F at observation time.
4/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost again on colder surfaces.
4/25/2010 8:30 AM 0.56 0.0 0.00 0.0 0.00 Much-needed rain!
4/26/2010 7:15 AM 0.16 0.0 0.00 0.0 0.00
4/27/2010 7:00 AM 0.51 0.0 0.00 0.0 0.00 Total rainfall in past 3 days = 1.23".
4/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost on colder surfaces.
4/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/3/2010 7:00 AM 0.12 0.0 0.00 0.0 0.00
5/4/2010 7:00 AM T 0.0 0.00 0.0 0.00
5/5/2010 7:00 AM 0.22 0.0 0.00 0.0 0.00 Brief strong winds in early PM with t-shower.
5/6/2010 7:30 AM 0.24 0.0 0.00 0.0 0.00
5/7/2010 7:30 AM T 0.0 0.00 0.0 0.00 Rain at the start of the observation period on May 6.
5/8/2010 8:00 AM 0.61 0.0 0.00 0.0 0.00 Early AM t-storms
5/9/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00
5/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost and 29.7°F at 6:30 am.
5/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost on colder surfaces.
5/12/2010 7:30 AM 1.10 T 0.00 0.0 0.00 Great soaking rain! Very brief period of sleet mixed in during the late PM on May 11.
5/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 A bit of frost on colder surfaces. Clear sky.
5/14/2010 7:15 AM 0.14 0.0 0.00 0.0 0.00 Drenching t-storm 10 minutes after observation.
5/15/2010 7:00 AM 0.09 0.0 0.00 0.0 0.00
5/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/18/2010 7:00 AM T 0.0 0.00 0.0 0.00
5/19/2010 7:00 AM 0.28 0.0 0.00 0.0 0.00
5/20/2010 7:00 AM T 0.0 0.00 0.0 0.00
5/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/23/2010 7:00 AM 0.28 0.0 0.00 0.0 0.00
5/24/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 Early PM showers on May 23
5/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/26/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Fog by Susquehanna River
5/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/28/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00
5/29/2010 7:00 AM 0.02 M 0.00 0.0 0.00
5/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2010 7:00 AM 0.23 0.0 0.00 0.0 0.00 Rainfall for calendar month of May was 3.46".
6/2/2010 7:00 AM 0.11 0.0 0.00 0.0 0.00 Stratus overcast at ob time.
6/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/4/2010 7:00 AM T 0.0 0.00 0.0 0.00
6/5/2010 7:00 AM T 0.0 0.00 0.0 0.00 T-shower with rain just to the north before 8 p.m. EDT
6/6/2010 8:00 AM 0.02 0.0 0.00 0.0 0.00
6/7/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00 Brief t-shower late AM; early evening sprinkles.
6/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/9/2010 7:00 AM T 0.0 0.00 0.0 0.00
6/10/2010 7:00 AM 0.49 0.0 0.00 0.0 0.00
6/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/16/2010 7:30 AM 0.13 0.0 0.00 0.0 0.00
6/17/2010 7:00 AM 0.20 0.0 0.00 0.0 0.00 A morning t-storm and an early evening shower on June 16.
6/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Fog patches over Susquehanna River.
6/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/22/2010 7:15 AM T 0.0 0.00 0.0 0.00 Sprinkles at obsrvtn time.
6/23/2010 7:00 AM 0.26 0.0 0.00 0.0 0.00
6/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/25/2010 7:00 AM 0.13 0.0 0.00 0.0 0.00 Monthly rain total to date = 3.37".
6/26/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/27/2010 7:00 AM 0.33 M M M M Trace of rain during daytime on June 26.
6/28/2010 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles in the hour before ob time.
6/29/2010 7:00 AM 0.06 0.0 0.00 0.0 0.00 Brief downpour ~ 10:45 pm on June 28
6/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/4/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/5/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/6/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/7/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/10/2010 7:00 AM 0.95 0.0 0.00 0.0 0.00 A wonderful soaking!
7/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/13/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00 Rainfall mainly bypassed Williamsport city to the south and east.
7/14/2010 7:30 AM 0.29 0.0 0.00 0.0 0.00
7/15/2010 7:30 AM 0.01 0.0 0.00 0.0 0.00 Rain ended early in the period. July rainfall to date is 1.26".
7/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/19/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00 A brief pre-dawn shower.
7/20/2010 7:00 AM 0.03 0.0 0.00 0.0 0.00 Brief PM t-shower.
7/21/2010 7:00 AM 0.08 0.0 0.00 0.0 0.00
7/22/2010 7:00 AM 0.23 0.0 0.00 0.0 0.00 Total rainfall is just 1.61" so far in July.
7/23/2010 6:30 AM 0.22 0.0 0.00 0.0 0.00
7/24/2010 7:00 AM 0.20 0.0 0.00 0.0 0.00 2.03" total rainfall so far in July.
7/25/2010 7:00 AM 0.81 0.0 0.00 0.0 0.00 TRW+ moved in just before dusk on July 24. Ominous sky and strong gust front; very low visibility when rain began. No wind damage here.
7/26/2010 7:00 AM 0.99 M M 0.0 0.00 Stratus clouds lifting above Susquehanna River at obsrvtn time. Over 2.50" of much-needed rain in last several days.
7/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus near the Susquehanna River at obsvtn time.
7/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/1/2010 8:00 AM 0.01 0.0 0.00 0.0 0.00
8/2/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00
8/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/4/2010 7:00 AM T 0.0 0.00 0.0 0.00
8/5/2010 7:00 AM T 0.0 0.00 0.0 0.00 T-storm to south just before dusk on Aug. 4. Downpours about a mile to south.
8/6/2010 7:00 AM 0.42 0.0 0.00 0.0 0.00 A surprise heavy shower in the middle of the night! Much-needed rain.
8/7/2010 7:00 AM T 0.0 0.00 0.0 0.00
8/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/11/2010 7:00 AM T 0.0 0.00 0.0 0.00
8/12/2010 7:20 AM 0.24 0.0 0.00 0.0 0.00
8/13/2010 7:20 AM 0.95 0.0 0.00 0.0 0.00 Much-needed rain!
8/14/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Weekly rainfall = 1.21".
8/15/2010 8:00 AM 0.10 0.0 0.00 0.0 0.00
8/16/2010 7:00 AM 0.54 0.0 0.00 0.0 0.00
8/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Fog at observation time.
8/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2010 8:00 AM 0.90 0.0 0.00 0.0 0.00
8/23/2010 7:00 AM 0.11 0.0 0.00 0.0 0.00
8/24/2010 7:00 AM 0.28 0.0 0.00 0.0 0.00 Heaviest rain between 4:30 and 5:30 p.m.
8/25/2010 7:00 AM 0.03 0.0 0.00 0.0 0.00
8/26/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus overcast near Susquehanna River at ob time.
8/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus overcast near Susquehanna River at ob time.
8/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Fog/stratus near the Susquehanna River at ob time.
9/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus near Susqehanna River. August rainfall was 3.60".
9/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2010 7:00 AM T 0.0 0.00 0.0 0.00 Only a few raindrops around dusk on Sept. 3.
9/5/2010 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles during daylight of Sept. 3.
9/6/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/7/2010 7:00 AM T 0.0 0.00 0.0 0.00 A few drops of rain late afternoon on Sept. 6.
9/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/11/2010 7:00 AM T 0.0 0.00 0.0 0.00 Afternoon sprinkles on Sept. 10.
9/12/2010 8:40 AM 0.17 0.0 0.00 0.0 0.00
9/13/2010 8:00 AM 0.01 0.0 0.00 0.0 0.00
9/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/15/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/16/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/17/2010 7:00 AM 0.27 0.0 0.00 0.0 0.00 Only .45" of rain so far in Sept.
9/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/19/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2010 7:00 AM 0.34 0.0 0.00 0.0 0.00 My area was lucky! T-storm around 5:30 p.m.
9/21/2010 7:25 AM 0.00 0.0 0.00 0.0 0.00 40.4°F with a stratus overcast at ob time.
9/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/23/2010 7:00 AM 0.30 0.0 0.00 0.0 0.00 Strong gust front with heavy t-storm ~4:15 pm Sept. 22. Wind damage in my city and county. Fog and mist at ob time.
9/24/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2010 7:00 AM 0.03 0.0 0.00 0.0 0.00
9/28/2010 7:15 AM 0.86 0.0 0.00 0.0 0.00
9/29/2010 7:30 AM 0.15 0.0 0.00 0.0 0.00 Total rainfall for this week was 1.04", and 2.13" for Sept.
9/30/2010 7:20 AM 0.50 0.0 0.00 0.0 0.00



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
12/26/2009 12/27/2009 8:00 AM 2 1.57 0.0 0.00 Snow cover is gone in my neighborhood, but T-1" of snow still exists on wooded, north-facing slopes.
12/31/2009 1/02/2010 4:00 PM 3 0.16 1.5 M I estimate about 2.0" of snow fell on Dec. 31 and Jan. 1.
6/13/2010 6/14/2010 12:00 AM 2 1.66 0.0 0.00 I was away from my residence most of this time, but I believe most of the rain occurred on the afternoon of June 13.
7/28/2010 7/30/2010 12:00 AM 3 0.20 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