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 10 3.61 5.97 31 5.97 31 0.00 0 0 11 8 0.0 0 0
Nov 10 3.67 3.40 30 3.40 30 0.00 0 0 6 9 0.8 1 0
Dec 10 3.05 4.19 31 4.19 31 0.00 0 0 8 15 4.7 7 6
Jan 11 2.78 1.26 31 1.26 31 0.00 0 0 11 10 15.7 12 25
Feb 11 2.45 3.65 28 3.65 28 0.00 0 0 9 7 11.3 5 26
March 11 3.35 6.66 31 6.66 31 0.00 0 0 11 4 13.2 3 6
April 11 3.41 9.50 30 8.67 28 0.83 2 1 20 4 0.0 0 0
May 11 3.87 7.47 31 7.47 31 0.00 0 0 17 5 0.0 0 0
June 11 4.18 2.66 30 2.66 30 0.00 0 0 10 6 0.0 0 0
July 11 4.02 4.46 31 4.46 31 0.00 0 0 8 0 0.0 0 0
Aug 11 3.94 5.53 31 5.53 31 0.00 0 0 15 1 0.0 0 0
Sept 11 4.21 15.30 30 9.91 27 5.39 3 1 15 1 0.0 0 0
Water Year Totals: 42.54" 70.05" 365 days 63.83" 360 6.22" 5 days 2 141 days 70 days 45.7" 28 days 63 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 4.03
10/2/2010 0.00
10/3/2010 0.00
10/4/2010 T
10/5/2010 0.40
10/6/2010 0.24
10/7/2010 0.19
10/8/2010 0.00
10/9/2010 0.00
10/10/2010 0.00
10/11/2010 0.00
10/12/2010 0.31
10/13/2010 T
10/14/2010 0.00
10/15/2010 0.25
10/16/2010 T
10/17/2010 0.00
10/18/2010 0.00
10/19/2010 0.01
10/20/2010 0.00
10/21/2010 T
10/22/2010 0.07
10/23/2010 T
10/24/2010 T
10/25/2010 T
10/26/2010 0.02
10/27/2010 0.43
10/28/2010 0.00
10/29/2010 T
10/30/2010 0.02
10/31/2010 0.00
11/1/2010 0.00
11/2/2010 0.00
11/3/2010 0.00
11/4/2010 0.04
11/5/2010 0.54
11/6/2010 0.05
11/7/2010 T
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 T
11/16/2010 T
11/17/2010 1.82
11/18/2010 T
11/19/2010 0.04
11/20/2010 0.00
11/21/2010 0.00
11/22/2010 T
11/23/2010 0.00
11/24/2010 T
11/25/2010 T
11/26/2010 0.91
11/27/2010 0.00
11/28/2010 T
11/29/2010 0.00
11/30/2010 T
12/1/2010 1.72
12/2/2010 1.61
12/3/2010 0.00
12/4/2010 T
12/5/2010 T
12/6/2010 T
12/7/2010 0.12
12/8/2010 T
12/9/2010 0.01
12/10/2010 T
12/11/2010 0.03
12/12/2010 0.20
12/13/2010 0.49
12/14/2010 T
12/15/2010 0.01
12/16/2010 T
12/17/2010 T
12/18/2010 T
12/19/2010 0.00
12/20/2010 0.00
12/21/2010 T
12/22/2010 0.00
12/23/2010 T
12/24/2010 T
12/25/2010 0.00
12/26/2010 T
12/27/2010 T
12/28/2010 T
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 0.01
1/3/2011 0.00
1/4/2011 0.00
1/5/2011 T
1/6/2011 0.00
1/7/2011 0.06
1/8/2011 0.02
1/9/2011 T
1/10/2011 0.00
1/11/2011 0.00
1/12/2011 0.26
1/13/2011 T
1/14/2011 0.00
1/15/2011 T
1/16/2011 T
1/17/2011 0.00
1/18/2011 0.13
1/19/2011 0.26
1/20/2011 T
1/21/2011 0.22
1/22/2011 T
1/23/2011 0.00
1/24/2011 0.00
1/25/2011 T
1/26/2011 T
1/27/2011 0.10
1/28/2011 0.03
1/29/2011 T
1/30/2011 0.14
1/31/2011 0.03
2/1/2011 0.24
2/2/2011 0.75
2/3/2011 0.04
2/4/2011 0.00
2/5/2011 T
2/6/2011 0.17
2/7/2011 0.00
2/8/2011 0.25
2/9/2011 T
2/10/2011 0.00
2/11/2011 0.00
2/12/2011 0.00
2/13/2011 T
2/14/2011 T
2/15/2011 T
2/16/2011 0.00
2/17/2011 0.00
2/18/2011 0.00
2/19/2011 0.00
2/20/2011 T
2/21/2011 0.81
2/22/2011 T
2/23/2011 0.00
2/24/2011 0.00
2/25/2011 0.62
2/26/2011 0.43
2/27/2011 0.00
2/28/2011 0.34
3/1/2011 0.30
3/2/2011 0.00
3/3/2011 0.00
3/4/2011 0.00
3/5/2011 0.00
3/6/2011 0.24
3/7/2011 1.53
3/8/2011 0.00
3/9/2011 0.00
3/10/2011 0.49
3/11/2011 2.11
3/12/2011 T
3/13/2011 0.00
3/14/2011 T
3/15/2011 0.00
3/16/2011 0.12
3/17/2011 T
3/18/2011 0.00
3/19/2011 0.00
3/20/2011 0.00
3/21/2011 0.66
3/22/2011 0.03
3/23/2011 0.57
3/24/2011 0.43
3/25/2011 T
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 0.18
Day of YearDaily PrcpMultiday Prcp
4/1/2011 0.18
4/2/2011 0.02
4/3/2011 T
4/4/2011 0.12
4/5/2011 0.82
4/6/2011 0.28
4/7/2011 0.79
4/8/2011 0.01
4/9/2011 0.34
4/10/2011 0.00
4/11/2011 0.00
4/12/2011 T
4/13/2011 0.53
4/14/2011 0.23
4/15/2011 0.00
4/16/2011 T
4/17/2011 2.13
4/18/2011 0.01
4/19/2011 0.07
4/20/2011 0.41
4/21/2011 T
4/22/2011 0.00
4/23/2011 **
4/24/2011 0.83
4/25/2011 0.32
4/26/2011 0.65
4/27/2011 0.66
4/28/2011 1.05
4/29/2011 0.03
4/30/2011 0.02
5/1/2011 0.00
5/2/2011 0.10
5/3/2011 T
5/4/2011 1.39
5/5/2011 0.05
5/6/2011 0.00
5/7/2011 0.00
5/8/2011 0.10
5/9/2011 0.00
5/10/2011 0.00
5/11/2011 0.00
5/12/2011 0.00
5/13/2011 T
5/14/2011 0.18
5/15/2011 0.10
5/16/2011 0.56
5/17/2011 0.07
5/18/2011 0.51
5/19/2011 0.95
5/20/2011 1.11
5/21/2011 0.24
5/22/2011 T
5/23/2011 T
5/24/2011 0.38
5/25/2011 0.02
5/26/2011 T
5/27/2011 0.39
5/28/2011 1.16
5/29/2011 0.00
5/30/2011 0.16
5/31/2011 0.00
6/1/2011 0.00
6/2/2011 0.00
6/3/2011 0.00
6/4/2011 0.00
6/5/2011 0.35
6/6/2011 0.00
6/7/2011 0.00
6/8/2011 0.00
6/9/2011 0.00
6/10/2011 0.01
6/11/2011 0.27
6/12/2011 0.64
6/13/2011 0.00
6/14/2011 T
6/15/2011 T
6/16/2011 0.00
6/17/2011 0.28
6/18/2011 T
6/19/2011 0.00
6/20/2011 0.00
6/21/2011 0.02
6/22/2011 0.02
6/23/2011 0.65
6/24/2011 0.31
6/25/2011 0.11
6/26/2011 T
6/27/2011 0.00
6/28/2011 T
6/29/2011 T
6/30/2011 0.00
Day of YearDaily PrcpMultiday Prcp
7/1/2011 0.00
7/2/2011 0.00
7/3/2011 0.99
7/4/2011 0.00
7/5/2011 0.00
7/6/2011 0.00
7/7/2011 0.00
7/8/2011 0.00
7/9/2011 1.23
7/10/2011 0.00
7/11/2011 0.00
7/12/2011 0.00
7/13/2011 0.00
7/14/2011 0.10
7/15/2011 0.00
7/16/2011 0.00
7/17/2011 0.00
7/18/2011 0.00
7/19/2011 0.47
7/20/2011 0.33
7/21/2011 0.00
7/22/2011 0.00
7/23/2011 0.00
7/24/2011 0.00
7/25/2011 0.19
7/26/2011 0.77
7/27/2011 0.00
7/28/2011 0.00
7/29/2011 0.38
7/30/2011 0.00
7/31/2011 0.00
8/1/2011 0.40
8/2/2011 0.08
8/3/2011 0.00
8/4/2011 0.43
8/5/2011 0.00
8/6/2011 0.00
8/7/2011 1.56
8/8/2011 T
8/9/2011 0.55
8/10/2011 0.09
8/11/2011 0.00
8/12/2011 0.00
8/13/2011 0.00
8/14/2011 0.08
8/15/2011 0.28
8/16/2011 0.26
8/17/2011 0.00
8/18/2011 0.00
8/19/2011 0.00
8/20/2011 0.04
8/21/2011 0.00
8/22/2011 0.07
8/23/2011 0.00
8/24/2011 0.00
8/25/2011 0.69
8/26/2011 0.18
8/27/2011 0.00
8/28/2011 0.71
8/29/2011 0.11
8/30/2011 0.00
8/31/2011 0.00
9/1/2011 0.00
9/2/2011 0.12
9/3/2011 0.00
9/4/2011 0.00
9/5/2011 **
9/6/2011 **
9/7/2011 5.39
9/8/2011 3.62
9/9/2011 0.11
9/10/2011 0.08
9/11/2011 0.21
9/12/2011 0.45
9/13/2011 0.00
9/14/2011 0.00
9/15/2011 0.08
9/16/2011 0.28
9/17/2011 0.00
9/18/2011 0.00
9/19/2011 0.00
9/20/2011 0.24
9/21/2011 0.00
9/22/2011 0.16
9/23/2011 0.05
9/24/2011 0.81
9/25/2011 0.00
9/26/2011 0.00
9/27/2011 T
9/28/2011 2.40
9/29/2011 1.22
9/30/2011 0.08



Observation Date Observation Time Precipitation Snowfall Snowfall SWE Snow Depth Snow SWE Notes
10/1/2010 7:00 AM 4.03 0.0 0.00 0.0 0.00 Total rainfall from the storm = 4.53".
10/2/2010 8:00 AM 0.00 0.0 0.00 0.0 0.00 Fog near Susquehanna River.
10/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/4/2010 7:15 AM T 0.0 0.00 0.0 0.00 Very light rain at ob time.
10/5/2010 7:00 AM 0.40 0.0 0.00 0.0 0.00 Monday was a cold, damp day.
10/6/2010 7:00 AM 0.24 0.0 0.00 0.0 0.00
10/7/2010 7:00 AM 0.19 0.0 0.00 0.0 0.00
10/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost on colder surfaces. First frost of season.
10/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/12/2010 7:00 AM 0.31 0.0 0.00 0.0 0.00
10/13/2010 7:00 AM T 0.0 0.00 0.0 0.00
10/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus (fog) near Susquehanna River.
10/15/2010 7:00 AM 0.25 0.0 0.00 0.0 0.00
10/16/2010 7:00 AM T 0.0 0.00 0.0 0.00 Late day sprinkles on Oct. 15.
10/17/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Frost at ob time.
10/18/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/19/2010 7:00 AM 0.01 0.0 0.00 0.0 0.00
10/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus (fog) overcast at ob time.
10/21/2010 7:30 AM T 0.0 0.00 0.0 0.00
10/22/2010 7:00 AM 0.07 0.0 0.00 0.0 0.00 Mid-and late afternoon showers on Oct. 21.
10/23/2010 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles in the AM of Oct. 22.
10/24/2010 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles before dusk on Oct. 23.
10/25/2010 7:00 AM T 0.0 0.00 0.0 0.00 Mid-afternoon sprinkles on Oct. 24.
10/26/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00 Dense fog patches at ob time.
10/27/2010 7:00 AM 0.43 0.0 0.00 0.0 0.00
10/28/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
10/29/2010 7:00 AM T 0.0 0.00 0.0 0.00
10/30/2010 7:00 AM 0.02 0.0 0.00 0.0 0.00
10/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Patchy frost and a bit of ice in the birdbath at ob time.
11/1/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 October rainfall was 2.69".
11/2/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 23.9°F at ob time.
11/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/4/2010 7:10 AM 0.04 0.0 0.00 0.0 0.00
11/5/2010 7:00 AM 0.54 0.0 0.00 0.0 0.00
11/6/2010 7:00 AM 0.05 0.0 0.00 0.0 0.00 Total rainfall from recent storm = 0.63".
11/7/2010 7:00 AM T 0.0 0.00 0.0 0.00 Only a sprinkle in early afternoon of Nov. 6.
11/8/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/9/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/10/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/11/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/12/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/13/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/14/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/15/2010 7:00 AM T 0.0 0.00 0.0 0.00
11/16/2010 7:00 AM T 0.0 0.00 0.0 0.00
11/17/2010 7:10 AM 1.82 0.0 0.00 0.0 0.00 Torrential rain in the middle of the night.
11/18/2010 7:00 AM T 0.0 0.00 0.0 0.00
11/19/2010 7:00 AM 0.04 0.0 0.00 0.0 0.00
11/20/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/21/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/22/2010 7:00 AM T 0.0 0.00 0.0 0.00 Drizzle or sprinkles before dawn.
11/23/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/24/2010 7:00 AM T 0.0 0.00 0.0 0.00
11/25/2010 7:30 AM T T T 0.0 0.00 First snowflakes of the season.
11/26/2010 7:00 AM 0.91 0.8 M 0.0 0.00 First measureable snowfall of the season - morning of Nov. 25.
11/27/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/28/2010 7:00 AM T T T 0.0 0.00 Snow flurries on Nov 27.
11/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
11/30/2010 7:30 AM T 0.0 0.00 0.0 0.00
12/1/2010 7:00 AM 1.72 0.0 0.00 0.0 0.00 Corrected from the intitial erroneous report.
12/2/2010 7:00 AM 1.61 0.1 M 0.0 0.00 Total rainfall (and melted snow) from the storm = 3.33". My initial 12-1-10 precip. amount was in error and has been corrected.
12/3/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Susquehanna River has gone below flood stage locally.
12/4/2010 7:00 AM T T T 0.0 0.00 Occasional snow flurries; too light to accumulate.
12/5/2010 7:00 AM T T T 0.0 0.00 Occasional light snow flurries.
12/6/2010 7:00 AM T T T T T A dusting of snow (< 0.1")
12/7/2010 7:00 AM 0.12 3.4 0.12 3.3 0.12 Virtually all snow accumulation was at night. Snowfall diminished quickly to the east and north.
12/8/2010 7:00 AM T T T 1.0 M
12/9/2010 7:00 AM 0.01 0.2 0.01 1.0 M
12/10/2010 7:00 AM T T T 0.5 M
12/11/2010 7:00 AM 0.03 0.4 0.30 1.0 M
12/12/2010 7:00 AM 0.20 0.0 0.00 T M
12/13/2010 7:30 AM 0.49 T T 0.0 0.00 A few snowflakes around ob time. Total rainfall = .69".
12/14/2010 7:00 AM T T T T T Occasional snow flurries.
12/15/2010 7:20 AM 0.01 0.3 0.01 0.5 0.01 Light snow at ob time
12/16/2010 7:00 AM T 0.1 T T T
12/17/2010 7:30 AM T T T T T Flurries at ob time.
12/18/2010 7:00 AM T T T T T Ground mostly bare; patches of snow in shady areas.
12/19/2010 7:00 AM 0.00 0.0 0.00 T T Only patchy traces of snow in shady areas.
12/20/2010 7:00 AM 0.00 0.0 0.00 T T Patchy traces of snow in shady areas.
12/21/2010 7:00 AM T T T T T Only a very few flurries on Dec. 20. Patchy traces of snow remain in shady areas.
12/22/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/23/2010 8:00 AM T T T 0.0 0.00 A few tiny snowflakes at ob time.
12/24/2010 7:00 AM T T T 0.0 0.00 Only a few tiny snowflakes on Dec. 23.
12/25/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/26/2010 7:00 AM T 0.2 T T T
12/27/2010 7:00 AM T T T T T
12/28/2010 7:00 AM T T T 0.0 0.00 A few tiny snowflakes on Dec. 27.
12/29/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
12/30/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00 Heavy frost at ob time.
12/31/2010 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/1/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/2/2011 7:00 AM 0.01 0.0 0.00 0.0 0.00
1/3/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/4/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/5/2011 7:00 AM T T T T T
1/6/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
1/7/2011 7:30 AM 0.06 1.4 0.06 1.5 0.06
1/8/2011 8:45 AM 0.02 0.6 0.02 1.0 M
1/9/2011 7:00 AM T 0.1 T 1.0 M
1/10/2011 7:00 AM 0.00 0.0 0.00 1.0 M
1/11/2011 7:00 AM 0.00 0.0 0.00 0.5 M
1/12/2011 7:00 AM 0.26 3.5 0.26 4.0 M
1/13/2011 7:00 AM T T T 3.5 M
1/14/2011 7:00 AM 0.00 0.0 0.00 3.5 M
1/15/2011 7:00 AM T T T 3.0 M
1/16/2011 7:00 AM T T T 2.5 M
1/17/2011 7:00 AM 0.00 0.0 0.00 2.5 M
1/18/2011 7:30 AM 0.13 1.1 0.13 3.0 M Trace amount of sleet and freezing rain.
1/19/2011 7:00 AM 0.26 1.3 M 4.0 M
1/20/2011 7:00 AM T T T 3.5 M
1/21/2011 7:00 AM 0.22 2.7 0.22 6.0 M Highest snow depth of the season so far. 13° at 7:30am.
1/22/2011 7:30 AM T T T 5.5 M -3°F at ob time.
1/23/2011 7:00 AM 0.00 0.0 0.00 5.5 M
1/24/2011 7:15 AM 0.00 0.0 0.00 5.5 M -9°F at ob time.
1/25/2011 7:00 AM T T T 5.5 M
1/26/2011 7:00 AM T T T 5.5 M Occasional snow 'drizzle during the day Tuesday.
1/27/2011 7:00 AM 0.10 1.3 0.10 6.5 M
1/28/2011 11:00 AM 0.03 0.5 0.03 7.0 M
1/29/2011 7:00 AM T 0.1 T 7.0 M
1/30/2011 9:00 AM 0.14 2.6 0.14 8.0 M The 1st January in awhile with above normal snowfall. The more snow, the merrier!
1/31/2011 7:00 AM 0.03 0.5 0.03 7.5 M A couple of hours of AM snow on Jan. 30. Partly sunny PM with some melting.
2/1/2011 9:00 AM 0.24 1.1 0.18 8.0 M
2/2/2011 8:00 AM 0.75 0.6 M 8.5 M Little precipitation during daylight of Feb. 1 after 10am. Sleet and freezing rain Mon. night.
2/3/2011 7:00 AM 0.04 T M 7.0 M
2/4/2011 6:45 AM 0.00 0.0 0.00 7.0 M 5°F at ob time.
2/5/2011 7:00 AM T T T 6.5 M A new trace of sleet.
2/6/2011 8:00 AM 0.17 T T 7.0 M Some sidewalks and lightly traveled roads slippery during the day Saturday and Sat. night.
2/7/2011 8:00 AM 0.00 0.0 0.00 6.5 M
2/8/2011 7:00 AM 0.25 1.3 M 7.5 M Snow was very wet. Falling temps. and icing occurring at ob time.
2/9/2011 7:00 AM T T T 7.5 M
2/10/2011 7:00 AM 0.00 0.0 0.00 7.5 M
2/11/2011 7:00 AM 0.00 0.0 0.00 7.5 M
2/12/2011 7:00 AM 0.00 0.0 0.00 7.5 M
2/13/2011 8:30 AM T 0.1 T 7.0 M
2/14/2011 7:00 AM T T M 6.5 M
2/15/2011 7:00 AM T T T 4.5 M
2/16/2011 7:00 AM 0.00 0.0 0.00 4.5 M
2/17/2011 7:00 AM 0.00 0.0 0.00 3.5 M
2/18/2011 7:00 AM 0.00 0.0 0.00 2.5 M
2/19/2011 7:00 AM 0.00 0.0 0.00 T M Record warmth on Feb. 18. Snow cover now confined to well-shaded areas.
2/20/2011 7:00 AM T T T T M Occasional snow flurries during the daylight of Feb. 18.
2/21/2011 7:00 AM 0.81 8.2 0.81 8.0 0.81 Easily the biggest snowfall of the 2010-11 season (so far).
2/22/2011 7:00 AM T T T 7.0 M
2/23/2011 7:00 AM 0.00 0.0 0.00 6.5 M 3°F at ob time.
2/24/2011 7:00 AM 0.00 0.0 0.00 5.5 M
2/25/2011 7:00 AM 0.62 T M 4.0 M
2/26/2011 7:00 AM 0.43 T M 3.0 M Morning rain Friday, then a change to wet snow by 1 pm, but with no accumulation.
2/27/2011 7:00 AM 0.00 0.0 0.00 2.5 M
2/28/2011 7:00 AM 0.34 0.0 0.00 0.5 M
3/1/2011 7:00 AM 0.30 0.0 0.00 T T
3/2/2011 7:00 AM 0.00 0.0 0.00 T T
3/3/2011 7:00 AM 0.00 0.0 0.00 T T
3/4/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/5/2011 8:00 AM 0.00 0.0 0.00 T T
3/6/2011 8:00 AM 0.24 0.0 0.00 0.0 0.00 Snow cover is limited to the north sides of mountains.
3/7/2011 7:00 AM 1.53 10.0 M 9.5 M Snowfall is largest of the season, and largest snowfall since 2007.
3/8/2011 7:00 AM 0.00 0.0 0.00 4.0 M
3/9/2011 7:00 AM 0.00 0.0 0.00 3.0 M
3/10/2011 7:00 AM 0.49 T T 1.0 M
3/11/2011 7:00 AM 2.11 0.0 0.00 0.0 0.00 Total rainfall from storm= 2.60". Patches of snow remain on the north side of Bald Eagle Mt.
3/12/2011 7:00 AM T T T 0.0 0.00
3/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/14/2011 7:30 AM T T T 0.0 0.00
3/15/2011 7:30 AM 0.00 0.0 0.00 0.0 0.00 Stratus over Susquehanna River.
3/16/2011 7:00 AM 0.12 0.0 0.00 0.0 0.00
3/17/2011 7:00 AM T 0.0 0.00 0.0 0.00
3/18/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 May-like temps. My last patch of snow melted by day's end!
3/20/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
3/21/2011 7:30 AM 0.66 T M 0.0 0.00
3/22/2011 8:00 AM 0.03 0.0 0.00 0.0 0.00
3/23/2011 8:30 AM 0.57 3.0 0.54 2.5 0.54 Precip. was virtually all very wet snow before dawn.
3/24/2011 7:00 AM 0.43 0.2 M 1.0 M 'Snowfall' was mostly sleet, but most precip. was rain. Thunder in early evening.
3/25/2011 7:00 AM T T T T T Snowflakes early in the period.
3/26/2011 7:00 AM 0.00 0.0 0.00 T T
3/27/2011 7:00 AM 0.00 0.0 0.00 T T Snow patches only in deeply shaded locations.
3/28/2011 7:00 AM 0.00 0.0 0.00 T T Snow patches only in deeply shaded locations.
3/29/2011 7:00 AM 0.00 0.0 0.00 T T
3/30/2011 7:00 AM 0.00 0.0 0.00 T T
3/31/2011 7:00 AM 0.18 T T 0.0 0.00 Accumulating snow occurred a few hundred feet above my elevation.
4/1/2011 7:30 AM 0.18 T T 0.0 0.00 Accumulating snow level close to 700'.
4/2/2011 7:00 AM 0.02 T T 0.0 0.00
4/3/2011 7:00 AM T 0.0 0.00 0.0 0.00
4/4/2011 7:00 AM 0.12 0.0 0.00 0.0 0.00 Evening rain on April 3.
4/5/2011 7:00 AM 0.82 0.0 0.00 0.0 0.00
4/6/2011 7:25 AM 0.28 0.0 0.00 0.0 0.00 27°F at ob time.
4/7/2011 7:00 AM 0.79 0.0 0.00 0.0 0.00
4/8/2011 7:00 AM 0.01 0.0 0.00 0.0 0.00
4/9/2011 7:00 AM 0.34 0.0 0.00 0.0 0.00
4/10/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/11/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/12/2011 7:00 AM T 0.0 0.00 0.0 0.00
4/13/2011 7:00 AM 0.53 0.0 0.00 0.0 0.00
4/14/2011 7:00 AM 0.23 0.0 0.00 0.0 0.00
4/15/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/16/2011 8:00 AM T 0.0 0.00 0.0 0.00
4/17/2011 7:00 AM 2.13 0.0 0.00 0.0 0.00 Umbrella-destroying wind gusts Saturday. Lightning on a couple of occasions.
4/18/2011 7:00 AM 0.01 0.0 0.00 0.0 0.00 Strong wind gusts in PM.
4/19/2011 7:00 AM 0.07 0.0 0.00 0.0 0.00 Late afternoon and early evening rain on April 18.
4/20/2011 7:00 AM 0.41 0.0 0.00 0.0 0.00
4/21/2011 7:00 AM T 0.0 0.00 0.0 0.00
4/22/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
4/25/2011 7:00 AM 0.32 0.0 0.00 0.0 0.00
4/26/2011 7:00 AM 0.65 0.0 0.00 0.0 0.00
4/27/2011 7:00 AM 0.66 0.0 0.00 0.0 0.00 Evening downpours. Over 8" for April! Wettest April on record for NWS Williamsport location.
4/28/2011 7:00 AM 1.05 0.0 0.00 0.0 0.00
4/29/2011 7:00 AM 0.03 0.0 0.00 0.0 0.00
4/30/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00 9.33" of rain for the calendar month of April. Only a trace of snow.
5/1/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/2/2011 7:00 AM 0.10 0.0 0.00 0.0 0.00
5/3/2011 7:00 AM T 0.0 0.00 0.0 0.00
5/4/2011 7:30 AM 1.39 0.0 0.00 0.0 0.00
5/5/2011 7:30 AM 0.05 0.0 0.00 0.0 0.00 Rain ended early in the period.
5/6/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/7/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/8/2011 7:00 AM 0.10 0.0 0.00 0.0 0.00 Early PM t-storm on May 7.
5/9/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/10/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/11/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/12/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/13/2011 7:00 AM T 0.0 0.00 0.0 0.00
5/14/2011 8:00 AM 0.18 0.0 0.00 0.0 0.00
5/15/2011 7:00 AM 0.10 0.0 0.00 0.0 0.00
5/16/2011 7:00 AM 0.56 0.0 0.00 0.0 0.00
5/17/2011 7:00 AM 0.07 0.0 0.00 0.0 0.00
5/18/2011 7:00 AM 0.51 0.0 0.00 0.0 0.00
5/19/2011 7:00 AM 0.95 0.0 0.00 0.0 0.00
5/20/2011 7:00 AM 1.11 0.0 0.00 0.0 0.00 It's another very wet month!
5/21/2011 7:00 AM 0.24 0.0 0.00 0.0 0.00 7th consecutive day with measureable rain!
5/22/2011 7:00 AM T 0.0 0.00 0.0 0.00
5/23/2011 7:00 AM T 0.0 0.00 0.0 0.00
5/24/2011 7:00 AM 0.38 0.0 0.00 0.0 0.00 Late PM downpour.
5/25/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00 12th consecutive calendar day with at least a trace of rain.
5/26/2011 7:00 AM T 0.0 0.00 0.0 0.00
5/27/2011 7:00 AM 0.39 0.0 0.00 0.0 0.00 Strong wind gusts (estimated over 40 mph) around 7:30 pm on May 26.
5/28/2011 7:00 AM 1.16 0.0 0.00 0.0 0.00 7.41" rainfall for the month of May (so far).
5/29/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
5/30/2011 7:00 AM 0.16 0.0 0.00 0.0 0.00
5/31/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/1/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/2/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/3/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/4/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/5/2011 7:00 AM 0.35 0.0 0.00 0.0 0.00
6/6/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/7/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/8/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/9/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/10/2011 7:00 AM 0.01 0.0 0.00 0.0 0.00 T-shower around 5 pm on June 9.
6/11/2011 7:00 AM 0.27 0.0 0.00 0.0 0.00
6/12/2011 8:00 AM 0.64 0.0 0.00 0.0 0.00
6/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 I observed about .50" of rain in about 20' during the early PM of June 12 in Selinsgrove, Snyder County.
6/14/2011 8:00 AM T 0.0 0.00 0.0 0.00 Sprinkles on the evening of June 13 and also at ob time.
6/15/2011 7:00 AM T 0.0 0.00 0.0 0.00 Just a few light sprinkles. Comfortably cool!
6/16/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/17/2011 7:00 AM 0.28 0.0 0.00 0.0 0.00 Showers in the aftn/eve of June 16 made for a cool day.
6/18/2011 7:00 AM T 0.0 0.00 0.0 0.00 Early evening sprinkles on June 17.
6/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/20/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/21/2011 7:30 AM 0.02 0.0 0.00 0.0 0.00
6/22/2011 7:00 AM 0.02 0.0 0.00 0.0 0.00
6/23/2011 7:30 AM 0.65 0.0 0.00 0.0 0.00 Most of the rain came in a downpour early PM of June 22.
6/24/2011 7:00 AM 0.31 0.0 0.00 0.0 0.00 Most of the rain came around 8 pm EDT on June 23, in a torrential downpour.
6/25/2011 7:00 AM 0.11 0.0 0.00 0.0 0.00
6/26/2011 7:00 AM T 0.0 0.00 0.0 0.00
6/27/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
6/28/2011 7:00 AM T 0.0 0.00 0.0 0.00 Sprinkles just before ob time.
6/29/2011 7:00 AM T 0.0 0.00 0.0 0.00 June is the first relatively dry month in awhile.
6/30/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/1/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Delightfully cool at ob time!
7/2/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/3/2011 7:00 AM 0.99 0.0 0.00 0.0 0.00
7/4/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/5/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/6/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/7/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/8/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/9/2011 7:00 AM 1.23 0.0 0.00 0.0 0.00 Torrential rain for a time in the PM of July 8.
7/10/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/11/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Another hot afternoon in a hot summer.
7/12/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 The heat goes on!
7/14/2011 7:00 AM 0.10 0.0 0.00 0.0 0.00 Morning rain on the 13th.
7/15/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/16/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/17/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/18/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/19/2011 7:00 AM 0.47 0.0 0.00 0.0 0.00 We were fortunate to receive an early evening downpour, right before sundown.
7/20/2011 7:00 AM 0.33 0.0 0.00 0.0 0.00 Welcome rainfall in a very hot summer.
7/21/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/22/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/23/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 One of the very few hottest days in recorded history.
7/24/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/25/2011 7:00 AM 0.19 0.0 0.00 0.0 0.00 All but .01" of the rain in early PM of July 24. Frequent lightning to W and SW after dark.
7/26/2011 7:00 AM 0.77 0.0 0.00 0.0 0.00 Very welcome rains!
7/27/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/28/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/29/2011 8:00 AM 0.38 0.0 0.00 0.0 0.00 A mostly cloudy day for a (welcome) change!
7/30/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
7/31/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/1/2011 7:00 AM 0.40 0.0 0.00 0.0 0.00 4.86" rainfall for July.
8/2/2011 7:00 AM 0.08 0.0 0.00 0.0 0.00
8/3/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/4/2011 7:00 AM 0.43 0.0 0.00 0.0 0.00
8/5/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/6/2011 8:00 AM 0.00 0.0 0.00 0.0 0.00 Rainclouds to the west at ob time.
8/7/2011 8:00 AM 1.56 0.0 0.00 0.0 0.00 Rain was heavy at times.
8/8/2011 7:00 AM T 0.0 0.00 0.0 0.00
8/9/2011 7:00 AM 0.55 0.0 0.00 0.0 0.00 Heavy t-storm before 4 pm.
8/10/2011 7:00 AM 0.09 0.0 0.00 0.0 0.00
8/11/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/12/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 53°F at ob time
8/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/14/2011 7:00 AM 0.08 0.0 0.00 0.0 0.00 A brief thundershower on Aug. 13 around 1:30pm.
8/15/2011 8:00 AM 0.28 0.0 0.00 0.0 0.00
8/16/2011 7:00 AM 0.26 0.0 0.00 0.0 0.00
8/17/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/18/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/20/2011 7:00 AM 0.04 0.0 0.00 0.0 0.00
8/21/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/22/2011 7:00 AM 0.07 0.0 0.00 0.0 0.00
8/23/2011 7:20 AM 0.00 0.0 0.00 0.0 0.00 52°F at ob time on my porch thermometer. Probably upper 40s in my backyard.
8/24/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Earthquake about 1:50 pm on Aug. 23.
8/25/2011 8:00 AM 0.69 0.0 0.00 0.0 0.00 T-storms began before dawn on Aug. 25.
8/26/2011 7:00 AM 0.18 0.0 0.00 0.0 0.00
8/27/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
8/28/2011 8:30 AM 0.71 0.0 0.00 0.0 0.00 A brief shower late afternoon of Aug. 27; steady rain began middle of night.
8/29/2011 7:00 AM 0.11 0.0 0.00 0.0 0.00 49.6°F at my house; stratus over Susquehanna River at ob time.
8/30/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus overcast at ob time.
8/31/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/1/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/2/2011 7:00 AM 0.12 0.0 0.00 0.0 0.00
9/3/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/4/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/8/2011 8:00 AM 3.62 0.0 0.00 0.0 0.00 9.01" total rainfall since the morning of Sunday, Sept. 4. No flooding in my neighborhood, but serious flooding in eastern Lycoming County.
9/9/2011 7:00 AM 0.11 0.0 0.00 0.0 0.00 The Susquehanna River is now well below flood state and the worst of flooding from major creeks has passed.
9/10/2011 7:00 AM 0.08 0.0 0.00 0.0 0.00
9/11/2011 7:00 AM 0.21 0.0 0.00 0.0 0.00
9/12/2011 7:00 AM 0.45 0.0 0.00 0.0 0.00 Thunderstorms during the evening of Sept. 11.
9/13/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Stratus/Fog at ob time.
9/14/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/15/2011 7:20 AM 0.08 0.0 0.00 0.0 0.00
9/16/2011 7:20 AM 0.28 0.0 0.00 0.0 0.00 40.4°F on my porch thermometer at ob time.
9/17/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/18/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00 Dense fog at ob time.
9/19/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/20/2011 7:20 AM 0.24 0.0 0.00 0.0 0.00
9/21/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/22/2011 7:30 AM 0.16 0.0 0.00 0.0 0.00
9/23/2011 7:00 AM 0.05 0.0 0.00 0.0 0.00
9/24/2011 7:00 AM 0.81 0.0 0.00 0.0 0.00 Heaviest rain between about 2 and 4 pm on the 23rd.
9/25/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/26/2011 7:00 AM 0.00 0.0 0.00 0.0 0.00
9/27/2011 7:00 AM T 0.0 0.00 0.0 0.00
9/28/2011 7:00 AM 2.40 0.0 0.00 0.0 0.00 Torrential downpours in the afternoon and evening of Sept. 27.
9/29/2011 7:00 AM 1.22 0.0 0.00 0.0 0.00 Heavy rain again at times in the late PM and evening of Sept. 28.
9/30/2011 7:00 AM 0.08 0.0 0.00 0.0 0.00



Start Date End Date & Time Duration in Days Precipitation Snow Depth Snow Depth SWE Notes
4/23/2011 4/24/2011 12:00 AM 2 0.83 0.0 M
9/5/2011 9/07/2011 8:00 AM 3 5.39 M M 2.78" as of ~ 3 pm on Sept. 6, with an additional 2.61" through 8 am Sept. 7.



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
4/25/2011 10:45 PM Estimate on hail size. Rain was too heavy to observe it falling, but I heard it rattle my windows. NA NA 1/4" Pea Size 7 2min no damage True After rain