Weather History for Williamsport, PA

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Tuesday, August 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 74 °F 71 °F  
Max Temperature 86 °F 81 °F 95 °F (1962)
Min Temperature 61 °F 61 °F 42 °F (1944)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 5 0  
Since 1 June heating degree days 14 41  
Since 1 July heating degree days 5 4  
Cooling Degree Days 9 6  
Month to date cooling degree days 95 142  
Year to date cooling degree days 663 575  
Since 1 June cooling degree days 592 532  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 58 °F    
Average Humidity 63    
Maximum Humidity 93    
Minimum Humidity 32    
Precipitation  
Precipitation 0.00 in 0.12 in 2.30 in (1999)
Month to date precipitation 1.39 2.52  
Year to date precipitation 21.25 25.69  
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 2 mph (WSW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 20, 2013 Rise Set
Actual Time 6:22 AM EDT 7:58 PM EDT
Civil Twilight 5:53 AM EDT 8:28 PM EDT
Nautical Twilight 5:17 AM EDT 9:03 PM EDT
Astronomical Twilight 4:39 AM EDT 9:40 PM EDT
Moon 7:28 PM EDT 5:49 AM EDT
Length of Visible Light 14h 35m
Length of Day
13h 36m
Full, 100% of the Moon is Illuminated
Aug 20
Full
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
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 62.1 °F - 59.0 °F 90% 30.09 in 10.0 mi Calm Calm - N/A   Clear
1:54 AM 62.1 °F - 59.0 °F 90% 30.08 in 10.0 mi Calm Calm - N/A   Clear
2:54 AM 62.1 °F - 59.0 °F 90% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
3:47 AM 62.6 °F - 59.0 °F 88% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
3:54 AM 62.1 °F - 59.0 °F 90% 30.08 in 10.0 mi Calm Calm - N/A   Overcast
4:50 AM 60.8 °F - 57.2 °F 88% 30.09 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
4:51 AM 61.0 °F - 57.9 °F 90% 30.09 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
5:54 AM 62.1 °F - 59.0 °F 90% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
6:54 AM 62.1 °F - 60.1 °F 93% 30.13 in 4.0 mi Calm Calm - N/A   Overcast
7:06 AM 62.6 °F - 60.8 °F 94% 30.14 in 4.0 mi Calm Calm - N/A   Overcast
7:54 AM 64.0 °F - 60.1 °F 87% 30.15 in 6.0 mi Calm Calm - N/A   Overcast
8:54 AM 64.9 °F - 62.1 °F 90% 30.16 in 4.0 mi WNW 4.6 mph - N/A   Overcast
9:47 AM 68.0 °F - 62.6 °F 83% 30.17 in 7.0 mi West 6.9 mph - N/A   Overcast
9:54 AM 68.0 °F - 63.0 °F 84% 30.17 in 7.0 mi West 6.9 mph - N/A   Overcast
10:22 AM 69.8 °F - 62.6 °F 78% 30.18 in 8.0 mi WSW 5.8 mph - N/A   Scattered Clouds
10:54 AM 73.0 °F - 62.1 °F 68% 30.17 in 10.0 mi West 4.6 mph - N/A   Clear
11:54 AM 75.9 °F - 60.1 °F 58% 30.15 in 10.0 mi Variable 4.6 mph - N/A   Clear
12:54 PM 82.0 °F 81.2 °F 53.1 °F 37% 30.14 in 10.0 mi West 6.9 mph - N/A   Clear
1:54 PM 82.0 °F 81.3 °F 54.0 °F 38% 30.13 in 10.0 mi West 4.6 mph - N/A   Clear
2:54 PM 84.0 °F - 51.1 °F 32% 30.12 in 10.0 mi West 6.9 mph - N/A   Clear
3:54 PM 86.0 °F 84.0 °F 53.1 °F 32% 30.11 in 10.0 mi Variable 3.5 mph - N/A   Clear
4:54 PM 84.0 °F - 52.0 °F 33% 30.09 in 10.0 mi SW 3.5 mph - N/A   Clear
5:54 PM 82.9 °F 82.0 °F 55.0 °F 38% 30.09 in 10.0 mi Calm Calm - N/A   Clear
6:54 PM 81.0 °F 81.1 °F 57.9 °F 45% 30.08 in 10.0 mi South 3.5 mph - N/A   Clear
7:54 PM 75.0 °F - 57.0 °F 53% 30.09 in 10.0 mi Calm Calm - N/A   Clear
8:54 PM 71.1 °F - 60.1 °F 68% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:54 PM 69.1 °F - 60.1 °F 73% 30.14 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 64.0 °F - 60.1 °F 87% 30.15 in 10.0 mi Calm Calm - N/A   Clear
11:54 PM 64.0 °F - 59.0 °F 84% 30.15 in 10.0 mi Calm Calm - N/A   Clear