Weather History for Allentown, PA

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Tuesday, February 11, 2014

  Actual Average Record
Temperature  
Mean Temperature 10 °F 30 °F  
Max Temperature 23 °F 39 °F 64 °F (2009)
Min Temperature -3 °F 21 °F -6 °F (1962)
Degree Days  
Heating Degree Days 55 35  
Month to date heating degree days 453 395  
Since 1 July heating degree days 3942 3745  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 0 °F    
Average Humidity 64    
Maximum Humidity 86    
Minimum Humidity 41    
Precipitation  
Precipitation 0.00 in 0.10 in 1.40 in (1983)
Month to date precipitation 2.31 1.08  
Year to date precipitation 6.85 4.11  
Snow  
Snow 0.00 in 0.40 in 24.00 in (1983)
Month to date snowfall 13.5 4.5  
Since 1 July snowfall 43.7 20.4  
Snow Depth 8.00 in    
Sea Level Pressure  
Sea Level Pressure 30.40 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 14 mph    
Max Gust Speed 18 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 11, 2014 Rise Set
Actual Time 7:00 AM EST 5:31 PM EST
Civil Twilight 6:32 AM EST 6:00 PM EST
Nautical Twilight 6:00 AM EST 6:32 PM EST
Astronomical Twilight 5:28 AM EST 7:04 PM EST
Moon 2:50 PM EST (2/11) 4:36 AM EST (2/11)
Length of Visible Light 11h 27m
Length of Day
10h 31m
Waxing Gibbous, 90% of the Moon is Illuminated
Feb 11
Waxing Gibbous
Feb 14
Full
Feb 22
Last Quarter
Mar 1
New
Mar 8
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 7.0 °F -1.7 °F -0.0 °F 73% 30.29 in 9.0 mi NW 4.6 mph - N/A   Clear
1:51 AM 9.0 °F 2.4 °F 1.9 °F 73% 30.32 in 9.0 mi WSW 3.5 mph - N/A   Clear
2:51 AM 5.0 °F - -0.0 °F 80% 30.34 in 7.0 mi Calm Calm - N/A   Clear
3:51 AM 3.9 °F - -0.9 °F 80% 30.35 in 6.0 mi Calm Calm - N/A   Haze
4:51 AM 3.9 °F - -0.0 °F 84% 30.36 in 5.0 mi Calm Calm - N/A   Clear
5:51 AM 1.0 °F - -4.0 °F 79% 30.37 in 5.0 mi Calm Calm - N/A   Haze
6:51 AM -2.0 °F - -7.1 °F 79% 30.39 in 10.0 mi Calm Calm - N/A   Clear
7:51 AM 3.0 °F - -0.9 °F 84% 30.41 in 4.0 mi Calm Calm - N/A   Clear
8:51 AM 7.0 °F 0.1 °F 1.9 °F 80% 30.43 in 7.0 mi WNW 3.5 mph - N/A   Clear
9:51 AM 17.1 °F 6.6 °F 3.0 °F 54% 30.44 in 10.0 mi West 8.1 mph - N/A   Clear
10:51 AM 19.0 °F 5.6 °F 1.9 °F 47% 30.43 in 10.0 mi NNW 13.8 mph - 0.00 in   Clear
11:51 AM 19.9 °F 8.6 °F 1.0 °F 44% 30.40 in 10.0 mi NW 10.4 mph - 0.00 in   Clear
12:51 PM 21.0 °F 9.3 °F 1.9 °F 44% 30.38 in 10.0 mi WNW 11.5 mph - 0.00 in   Clear
1:51 PM 21.9 °F 10.4 °F 3.0 °F 44% 30.36 in 10.0 mi West 11.5 mph - N/A   Clear
2:51 PM 21.9 °F 10.4 °F 3.0 °F 44% 30.36 in 10.0 mi West 11.5 mph - N/A   Clear
3:51 PM 21.9 °F 11.7 °F 3.0 °F 44% 30.37 in 10.0 mi WSW 9.2 mph - N/A   Clear
4:51 PM 21.9 °F 11.7 °F 1.9 °F 42% 30.38 in 10.0 mi West 9.2 mph - N/A   Clear
5:51 PM 19.0 °F 11.1 °F -0.0 °F 43% 30.41 in 10.0 mi North 5.8 mph - N/A   Clear
6:51 PM 15.1 °F 6.4 °F -0.9 °F 49% 30.44 in 10.0 mi North 5.8 mph - N/A   Clear
7:51 PM 15.1 °F 7.7 °F -0.9 °F 49% 30.46 in 10.0 mi North 4.6 mph - N/A   Clear
8:51 PM 16.0 °F 8.8 °F -0.9 °F 47% 30.49 in 10.0 mi North 4.6 mph - N/A   Clear
9:51 PM 15.1 °F 5.2 °F -0.9 °F 49% 30.51 in 10.0 mi NNE 6.9 mph - N/A   Clear
10:51 PM 10.9 °F 1.4 °F -2.9 °F 54% 30.51 in 10.0 mi North 5.8 mph - N/A   Clear
11:51 PM 12.0 °F - -2.0 °F 53% 30.51 in 10.0 mi Calm Calm - N/A   Clear