Weather History for Philadelphia, PA

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Sunday, February 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 28 °F 36 °F  
Max Temperature 32 °F 44 °F 68 °F (1976)
Min Temperature 23 °F 28 °F -2 °F (1896)
Degree Days  
Heating Degree Days 37 29  
Month to date heating degree days 529 516  
Since 1 July heating degree days 2906 3179  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 5 °F    
Average Humidity 36    
Maximum Humidity 43    
Minimum Humidity 28    
Precipitation  
Precipitation T in 0.09 in 1.10 in (1902)
Month to date precipitation 1.27 1.60  
Year to date precipitation 4.61 4.63  
Snow  
Snow 0.00 in 0.40 in 11.00 in (1902)
Month to date snowfall 2.7 5.9  
Since 1 July snowfall 7.0 16.1  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.88 in    
Wind  
Wind Speed 19 mph (NW)    
Max Wind Speed 30 mph    
Max Gust Speed 39 mph    
Visibility 10 miles    
Events Snow    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 17, 2013 Rise Set
Actual Time 6:50 AM EST 5:39 PM EST
Civil Twilight 6:23 AM EST 6:07 PM EST
Nautical Twilight 5:51 AM EST 6:38 PM EST
Astronomical Twilight 5:20 AM EST 7:10 PM EST
Moon 10:42 AM EST (2/17) 12:32 AM EST (2/17)
Length of Visible Light 11h 44m
Length of Day
10h 48m
Waxing Crescent, 49% of the Moon is Illuminated
Feb 17
Waxing Crescent
Feb 17
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New

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 30.9 °F 19.4 °F 8.1 °F 38% 29.77 in 10.0 mi North 17.3 mph - N/A   Overcast
1:54 AM 30.9 °F 18.4 °F 7.0 °F 37% 29.77 in 10.0 mi North 20.7 mph 28.8 mph N/A   Overcast
2:54 AM 30.0 °F 18.3 °F 6.1 °F 36% 29.77 in 10.0 mi NNW 17.3 mph 26.5 mph N/A   Overcast
3:54 AM 30.0 °F 17.9 °F 3.9 °F 33% 29.76 in 10.0 mi NNW 18.4 mph 25.3 mph N/A   Mostly Cloudy
4:54 AM 28.9 °F 16.5 °F 5.0 °F 36% 29.77 in 10.0 mi NNW 18.4 mph 24.2 mph N/A   Mostly Cloudy
5:54 AM 28.0 °F 17.0 °F 3.9 °F 36% 29.78 in 10.0 mi NW 13.8 mph - N/A   Scattered Clouds
6:54 AM 28.0 °F 15.7 °F 5.0 °F 38% 29.80 in 10.0 mi NW 17.3 mph 21.9 mph N/A   Scattered Clouds
7:54 AM 27.0 °F 14.7 °F 7.0 °F 43% 29.82 in 10.0 mi NW 16.1 mph 24.2 mph N/A   Scattered Clouds
8:54 AM 28.9 °F 17.3 °F 7.0 °F 40% 29.82 in 10.0 mi NW 16.1 mph - N/A   Partly Cloudy
9:54 AM 30.0 °F 16.9 °F 9.0 °F 41% 29.83 in 10.0 mi NW 21.9 mph 29.9 mph N/A   Scattered Clouds
10:54 AM 30.0 °F 19.5 °F 8.1 °F 40% 29.84 in 10.0 mi NW 13.8 mph 25.3 mph N/A   Mostly Cloudy
11:54 AM 30.9 °F 17.5 °F 6.1 °F 35% 29.84 in 10.0 mi NW 24.2 mph 32.2 mph N/A   Mostly Cloudy
12:54 PM 30.9 °F 19.1 °F 7.0 °F 37% 29.85 in 10.0 mi NW 18.4 mph 29.9 mph N/A   Mostly Cloudy
1:54 PM 32.0 °F 18.9 °F 5.0 °F 32% 29.85 in 10.0 mi WNW 24.2 mph 31.1 mph N/A   Mostly Cloudy
2:54 PM 32.0 °F 19.8 °F 6.1 °F 34% 29.86 in 10.0 mi NW 20.7 mph 26.5 mph 0.00 in   Mostly Cloudy
3:54 PM 28.9 °F 14.5 °F 15.1 °F 56% 29.88 in 10.0 mi NNW 25.3 mph 34.5 mph 0.00 in Snow Light Snow
4:54 PM 30.0 °F 19.1 °F 10.0 °F 43% 29.90 in 10.0 mi WNW 15.0 mph 29.9 mph 0.00 in   Mostly Cloudy
5:54 PM 30.0 °F 18.7 °F 1.0 °F 29% 29.93 in 10.0 mi WNW 16.1 mph 29.9 mph N/A   Mostly Cloudy
6:54 PM 28.9 °F 15.1 °F -0.9 °F 28% 29.97 in 10.0 mi NW 23.0 mph 33.4 mph N/A   Mostly Cloudy
7:54 PM 28.0 °F 14.6 °F -0.0 °F 30% 30.01 in 10.0 mi NW 20.7 mph 31.1 mph N/A   Mostly Cloudy
8:54 PM 26.1 °F 11.3 °F -0.9 °F 31% 30.04 in 10.0 mi WNW 23.0 mph 32.2 mph N/A   Scattered Clouds
9:54 PM 25.0 °F 10.2 °F -0.9 °F 33% 30.07 in 10.0 mi WNW 21.9 mph 31.1 mph N/A   Scattered Clouds
10:54 PM 24.1 °F 9.4 °F -0.0 °F 35% 30.10 in 10.0 mi WNW 20.7 mph 34.5 mph N/A   Scattered Clouds
11:54 PM 23.0 °F 7.6 °F -0.9 °F 35% 30.12 in 10.0 mi WNW 21.9 mph 27.6 mph N/A   Partly Cloudy