Weather History for Williamsport, PA

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Week of December 16, 2012 through December 22, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 48 °F 45 °F 38 °F
Mean Temperature 46 °F 40 °F 35 °F
Min Temperature 43 °F 34 °F 27 °F
Degree Days  
Heating Degree Days (base 65) 30 25 19 176
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 45 °F 33 °F 19 °F
Precipitation  
Precipitation 1.22 in 0.43 in 0.00 in 2.57 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 10 mph 0 mph
Gust Wind 43 mph 24 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.20 in 29.74 in 29.26 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:28 AM EST 4:40 PM EST
Civil Twilight 6:57 AM EST 5:11 PM EST
Nautical Twilight 6:22 AM EST 5:46 PM EST
Astronomical Twilight 5:48 AM EST 6:20 PM EST
Moon 11:04 AM EST (12/18) 11:07 PM EST (12/18)
Length of Visible Light 10h 14m
Length of Day
9h 12m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
16 48 43 38 43 38 32 86 78 70 30.09 29.95 29.84 10 10 7 18 11 26 0.01 Rain
17 48 46 43 45 43 42 100 93 86 29.84 29.75 29.57 10 5 2 16 8 23 0.78 Rain
18 47 42 37 45 39 27 100 82 64 29.76 29.57 29.49 10 7 1 24 8 31 0.05 Rain
19 45 37 28 33 30 28 92 73 53 30.18 29.95 29.77 10 10 7 17 7 24 0.00  
20 42 35 27 39 30 25 100 80 59 30.20 29.96 29.49 10 7 2 24 10 32 0.51 Rain , Snow
21 46 40 34 43 32 25 96 80 64 29.44 29.31 29.26 10 8 2 26 12 37 1.22 Rain , Snow
22 38 36 33 28 21 19 82 65 48 29.95 29.71 29.38 10 10 4 30 17 43 T Snow