Weather History for Allentown, PA

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Wednesday, February 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 29 °F 32 °F  
Max Temperature 34 °F 41 °F 68 °F (1930)
Min Temperature 24 °F 23 °F -2 °F (1936)
Degree Days  
Heating Degree Days 36 33  
Month to date heating degree days 723 702  
Since 1 July heating degree days 3716 4052  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 12 °F    
Average Humidity 51    
Maximum Humidity 59    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.09 in 1.71 in (1924)
Month to date precipitation 1.37 1.92  
Year to date precipitation 5.36 4.95  
Snow  
Snow 0.00 in 0.40 in 17.00 in (1921)
Month to date snowfall 7.4 8.3  
Since 1 July snowfall 16.9 24.2  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.92 in    
Wind  
Wind Speed 15 mph (WNW)    
Max Wind Speed 23 mph    
Max Gust Speed 35 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 20, 2013 Rise Set
Actual Time 6:48 AM EST 5:43 PM EST
Civil Twilight 6:20 AM EST 6:10 PM EST
Nautical Twilight 5:48 AM EST 6:42 PM EST
Astronomical Twilight 5:17 AM EST 7:14 PM EST
Moon 1:01 PM EST (2/20) 3:07 AM EST (2/20)
Length of Visible Light 11h 50m
Length of Day
10h 54m
Waxing Gibbous, 76% of the Moon is Illuminated
Feb 20
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 32.0 °F 20.8 °F 19.0 °F 59% 29.79 in 10.0 mi West 17.3 mph 26.5 mph N/A   Clear
1:51 AM 30.9 °F 21.2 °F 18.0 °F 59% 29.81 in 10.0 mi West 12.7 mph 21.9 mph N/A   Clear
2:51 AM 30.9 °F 22.8 °F 17.1 °F 57% 29.81 in 10.0 mi WNW 9.2 mph - N/A   Overcast
3:51 AM 30.0 °F 20.5 °F 18.0 °F 61% 29.81 in 10.0 mi West 11.5 mph 18.4 mph N/A   Overcast
4:51 AM 28.9 °F 17.7 °F 14.0 °F 54% 29.84 in 10.0 mi West 15.0 mph 21.9 mph N/A   Overcast
5:51 AM 27.0 °F 14.7 °F 10.9 °F 51% 29.86 in 10.0 mi WNW 16.1 mph 29.9 mph N/A   Clear
6:51 AM 27.0 °F 16.7 °F 12.0 °F 53% 29.89 in 10.0 mi WNW 11.5 mph 24.2 mph N/A   Mostly Cloudy
7:51 AM 26.1 °F 14.5 °F 12.9 °F 58% 29.91 in 10.0 mi West 13.8 mph 23.0 mph N/A   Overcast
8:51 AM 27.0 °F 15.6 °F 10.9 °F 51% 29.93 in 10.0 mi West 13.8 mph 25.3 mph N/A   Partly Cloudy
9:51 AM 28.0 °F 16.5 °F 10.9 °F 49% 29.93 in 10.0 mi West 15.0 mph 29.9 mph N/A   Scattered Clouds
10:51 AM 28.9 °F 16.1 °F 9.0 °F 43% 29.92 in 10.0 mi WNW 19.6 mph 27.6 mph N/A   Partly Cloudy
11:51 AM 28.0 °F 15.3 °F 10.0 °F 47% 29.93 in 10.0 mi West 18.4 mph 29.9 mph N/A   Mostly Cloudy
12:51 PM 28.0 °F 16.1 °F 9.0 °F 45% 29.92 in 10.0 mi WNW 16.1 mph 31.1 mph N/A   Overcast
1:51 PM 28.0 °F 16.5 °F 9.0 °F 45% 29.93 in 10.0 mi WNW 15.0 mph 26.5 mph N/A   Overcast
2:51 PM 28.0 °F 18.1 °F 12.0 °F 51% 29.94 in 10.0 mi WNW 11.5 mph 24.2 mph N/A   Overcast
3:51 PM 28.9 °F 16.9 °F 10.9 °F 47% 29.95 in 10.0 mi West 17.3 mph 29.9 mph N/A   Mostly Cloudy
4:51 PM 27.0 °F 15.6 °F 10.9 °F 51% 29.96 in 10.0 mi West 13.8 mph 24.2 mph N/A   Overcast
5:51 PM 27.0 °F 14.7 °F 12.0 °F 53% 29.99 in 10.0 mi West 16.1 mph 25.3 mph N/A   Mostly Cloudy
6:51 PM 26.1 °F 14.5 °F 9.0 °F 49% 30.02 in 10.0 mi WNW 13.8 mph 24.2 mph N/A   Partly Cloudy
7:51 PM 26.1 °F 13.1 °F 8.1 °F 47% 30.03 in 10.0 mi WNW 17.3 mph 24.2 mph N/A   Scattered Clouds
8:51 PM 25.0 °F 14.8 °F 9.0 °F 51% 30.02 in 10.0 mi West 10.4 mph 25.3 mph N/A   Clear
9:51 PM 24.8 °F 14.6 °F 8.6 °F 50% 30.02 in 10.0 mi WNW 10.4 mph 19.6 mph N/A   Clear
11:51 PM 24.1 °F 13.1 °F 9.0 °F 53% 30.04 in 10.0 mi WNW 11.5 mph 24.2 mph N/A   Scattered Clouds