Weather History for Williamsport, PA

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Sunday, July 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 78 °F 73 °F  
Max Temperature 88 °F 84 °F 101 °F (1934)
Min Temperature 67 °F 62 °F 44 °F (1966)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 June heating degree days 9 37  
Since 1 July heating degree days 0 0  
Cooling Degree Days 13 8  
Month to date cooling degree days 290 165  
Year to date cooling degree days 521 354  
Since 1 June cooling degree days 450 311  
Growing Degree Days 27 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 64    
Maximum Humidity 93    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.15 in 1.47 in (1947)
Month to date precipitation 1.96 2.87  
Year to date precipitation 18.70 21.70  
Sea Level Pressure  
Sea Level Pressure 29.91 in    
Wind  
Wind Speed 2 mph (WNW)    
Max Wind Speed 7 mph    
Max Gust Speed 22 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jul. 21, 2013 Rise Set
Actual Time 5:52 AM EDT 8:34 PM EDT
Civil Twilight 5:20 AM EDT 9:06 PM EDT
Nautical Twilight 4:40 AM EDT 9:46 PM EDT
Astronomical Twilight 3:54 AM EDT 10:32 PM EDT
Moon 7:30 PM EDT (7/21) 4:36 AM EDT (7/21)
Length of Visible Light 15h 45m
Length of Day
14h 41m
Waxing Gibbous, 98% of the Moon is Illuminated
Jul 21
Waxing Gibbous
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New
Aug 14
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 73.9 °F - 66.9 °F 79% 29.88 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:54 AM 73.0 °F - 66.0 °F 79% 29.87 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 73.0 °F - 66.0 °F 79% 29.88 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 70.0 °F - 66.0 °F 87% 29.89 in 10.0 mi NNW 3.5 mph - N/A   Clear
4:54 AM 69.1 °F - 64.9 °F 87% 29.89 in 10.0 mi NNW 4.6 mph - N/A   Clear
5:54 AM 66.9 °F - 64.0 °F 90% 29.91 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 68.0 °F - 64.0 °F 87% 29.93 in 10.0 mi Calm Calm - N/A   Scattered Clouds
7:54 AM 70.0 °F - 64.9 °F 84% 29.94 in 7.0 mi Calm Calm - N/A   Clear
8:54 AM 73.9 °F - 64.9 °F 73% 29.95 in 10.0 mi Variable 5.8 mph - N/A   Clear
9:54 AM 75.9 °F - 64.9 °F 69% 29.94 in 10.0 mi WSW 5.8 mph - N/A   Clear
10:54 AM 78.1 °F - 63.0 °F 60% 29.95 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
11:54 AM 80.1 °F 81.2 °F 62.1 °F 54% 29.95 in 10.0 mi WSW 4.6 mph - N/A   Clear
12:54 PM 82.0 °F 83.0 °F 62.1 °F 51% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Scattered Clouds
1:54 PM 84.0 °F 84.0 °F 60.1 °F 44% 29.94 in 10.0 mi Variable 3.5 mph - N/A   Clear
2:54 PM 84.9 °F 83.6 °F 55.0 °F 36% 29.92 in 10.0 mi Calm Calm - N/A   Clear
3:54 PM 87.1 °F 85.3 °F 55.0 °F 33% 29.90 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:54 PM 84.9 °F 85.4 °F 62.1 °F 46% 29.89 in 10.0 mi South 4.6 mph - N/A   Partly Cloudy
5:54 PM 84.0 °F 83.8 °F 59.0 °F 43% 29.89 in 10.0 mi SSW 4.6 mph - N/A   Partly Cloudy
6:54 PM 82.9 °F 83.2 °F 60.1 °F 46% 29.88 in 10.0 mi Calm Calm - N/A   Partly Cloudy
7:54 PM 80.1 °F 82.1 °F 66.0 °F 62% 29.89 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 75.0 °F - 66.0 °F 73% 29.91 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 75.0 °F - 66.0 °F 73% 29.92 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 73.0 °F - 66.0 °F 79% 29.93 in 10.0 mi NW 3.5 mph - N/A   Clear
11:54 PM 73.0 °F - 66.0 °F 79% 29.94 in 10.0 mi NNW 4.6 mph - N/A   Partly Cloudy