Weather History for Williamsport, PA

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 68 °F 53 °F
Mean Temperature 68 °F 56 °F 44 °F
Min Temperature 53 °F 43 °F 30 °F
Degree Days  
Heating Degree Days (base 65) 21 10 0 69
Cooling Degree Days (base 65) 3 0 0 3
Growing Degree Days (base 50) 18 7 0 50
Dew Point  
Dew Point 58 °F 38 °F 19 °F
Precipitation  
Precipitation 0.06 in 0.01 in 0.00 in 0.06 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 40 mph 22 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.24 in 29.99 in 29.62 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 15, 2013 Rise Set
Actual Time 5:49 AM EDT 8:19 PM EDT
Civil Twilight 5:17 AM EDT 8:51 PM EDT
Nautical Twilight 4:38 AM EDT 9:30 PM EDT
Astronomical Twilight 3:54 AM EDT 10:14 PM EDT
Moon 10:23 AM EDT (5/15) 12:04 AM EDT (5/15)
Length of Visible Light 15h 33m
Length of Day
14h 30m
Waxing Crescent, 26% of the Moon is Illuminated
May 15
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
12 58 48 37 46 35 25 86 58 30 29.97 29.83 29.73 10 10 3 30 11 40 0.06 Rain
13 53 44 34 33 26 22 82 57 32 30.17 30.06 29.98 10 10 10 17 8 24 T  
14 62 46 30 40 27 19 92 56 20 30.20 30.12 30.01 10 10 10 14 5 18 0.00  
15 75 62 49 58 47 38 93 71 49 30.02 29.81 29.62 10 10 10 16 6 29 T Rain
16 84 68 51 55 45 33 96 57 18 29.93 29.80 29.75 10 10 2 20 6 29 0.00  
17 74 61 48 46 39 36 66 46 25 30.20 30.09 29.94 10 10 10 10 2 15 0.00  
18 67 60 53 52 47 42 72 60 48 30.24 30.21 30.18 10 10 10 15 5 26 T