Weather History for Williamsport, PA

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Friday, December 13, 2013

  Actual Average Record
Temperature  
Mean Temperature 25 °F 32 °F  
Max Temperature 32 °F 39 °F 61 °F (1901)
Min Temperature 18 °F 25 °F 4 °F (1960)
Degree Days  
Heating Degree Days 40 33  
Month to date heating degree days 431 405  
Since 1 July heating degree days 1674 1650  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 863 702  
Moisture  
Dew Point 11 °F    
Average Humidity 55    
Maximum Humidity 69    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.09 in 3.29 in (1983)
Month to date precipitation 1.21 1.45  
Year to date precipitation 30.26 39.80  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 2.2  
Since 1 July snowfall 4.4  
Snow Depth T in    
Sea Level Pressure  
Sea Level Pressure 30.20 in    
Wind  
Wind Speed 7 mph (West)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 13, 2013 Rise Set
Actual Time 7:24 AM EST 4:39 PM EST
Civil Twilight 6:53 AM EST 5:10 PM EST
Nautical Twilight 6:19 AM EST 5:44 PM EST
Astronomical Twilight 5:45 AM EST 6:18 PM EST
Moon 2:22 PM EST (12/13) 3:43 AM EST (12/13)
Length of Visible Light 10h 16m
Length of Day
9h 14m
Waxing Gibbous, 88% of the Moon is Illuminated
Dec 13
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 19.0 °F 11.1 °F 3.9 °F 52% 30.14 in 10.0 mi West 5.8 mph - N/A   Clear
1:54 AM 21.0 °F 9.9 °F 1.9 °F 44% 30.14 in 10.0 mi West 10.4 mph 17.3 mph N/A   Clear
2:54 AM 21.0 °F 11.4 °F 3.0 °F 46% 30.15 in 10.0 mi West 8.1 mph - N/A   Overcast
3:54 AM 21.0 °F 9.9 °F 3.9 °F 48% 30.14 in 10.0 mi West 10.4 mph - N/A   Overcast
4:54 AM 21.9 °F 12.5 °F 5.0 °F 48% 30.14 in 10.0 mi West 8.1 mph - N/A   Overcast
5:54 AM 21.9 °F 12.5 °F 7.0 °F 53% 30.16 in 10.0 mi West 8.1 mph - N/A   Overcast
6:54 AM 21.9 °F 11.7 °F 7.0 °F 53% 30.16 in 10.0 mi WSW 9.2 mph - N/A   Overcast
7:54 AM 21.9 °F 14.5 °F 7.0 °F 53% 30.18 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 AM 24.1 °F 16.0 °F 8.1 °F 51% 30.19 in 10.0 mi West 6.9 mph - N/A   Scattered Clouds
9:54 AM 25.0 °F 14.2 °F 9.0 °F 51% 30.21 in 10.0 mi West 11.5 mph - N/A   Mostly Cloudy
10:54 AM 27.0 °F 16.1 °F 10.0 °F 49% 30.22 in 10.0 mi West 12.7 mph - N/A   Clear
11:54 AM 28.0 °F 18.6 °F 12.0 °F 51% 30.20 in 10.0 mi West 10.4 mph - N/A   Overcast
12:54 PM 30.0 °F 23.2 °F 14.0 °F 51% 30.18 in 10.0 mi West 6.9 mph - N/A   Overcast
1:54 PM 30.9 °F 24.3 °F 14.0 °F 50% 30.18 in 10.0 mi West 6.9 mph - N/A   Overcast
2:54 PM 32.0 °F 25.6 °F 15.1 °F 50% 30.18 in 10.0 mi WSW 6.9 mph - N/A   Overcast
3:54 PM 32.0 °F 27.5 °F 15.1 °F 50% 30.20 in 10.0 mi WSW 4.6 mph - N/A   Overcast
4:54 PM 32.0 °F 27.5 °F 14.0 °F 48% 30.20 in 10.0 mi WSW 4.6 mph - N/A   Overcast
5:54 PM 30.9 °F 24.3 °F 15.1 °F 52% 30.23 in 10.0 mi WSW 6.9 mph - N/A   Overcast
6:54 PM 30.9 °F 23.5 °F 14.0 °F 50% 30.26 in 10.0 mi West 8.1 mph - N/A   Overcast
7:54 PM 32.0 °F 27.5 °F 14.0 °F 48% 30.27 in 10.0 mi West 4.6 mph - N/A   Overcast
8:54 PM 30.9 °F - 15.1 °F 52% 30.27 in 10.0 mi Calm Calm - N/A   Overcast
9:54 PM 28.9 °F - 18.0 °F 64% 30.29 in 10.0 mi Calm Calm - N/A   Overcast
10:54 PM 28.9 °F - 19.9 °F 69% 30.31 in 10.0 mi Calm Calm - N/A   Overcast
11:54 PM 28.9 °F 21.1 °F 18.0 °F 64% 30.32 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy