Weather History for Philadelphia, PA

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 31 °F 37 °F  
Max Temperature 37 °F 45 °F 72 °F (1930)
Min Temperature 25 °F 29 °F 6 °F (1968)
Degree Days  
Heating Degree Days 34 28  
Month to date heating degree days 658 629  
Since 1 July heating degree days 3035 3292  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 11 °F    
Average Humidity 44    
Maximum Humidity 53    
Minimum Humidity 35    
Precipitation  
Precipitation 0.00 in 0.09 in 1.44 in (1902)
Month to date precipitation 1.48 1.97  
Year to date precipitation 4.82 5.00  
Snow  
Snow 0.00 in 0.30 in 7.50 in (1929)
Month to date snowfall 2.7 7.1  
Since 1 July snowfall 7.0 17.3  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.16 in    
Wind  
Wind Speed 15 mph (NW)    
Max Wind Speed 26 mph    
Max Gust Speed 36 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 6:45 AM EST 5:44 PM EST
Civil Twilight 6:17 AM EST 6:11 PM EST
Nautical Twilight 5:46 AM EST 6:43 PM EST
Astronomical Twilight 5:15 AM EST 7:14 PM EST
Moon 1:57 PM EST (2/21) 3:48 AM EST (2/21)
Length of Visible Light 11h 53m
Length of Day
10h 58m
Waxing Gibbous, 83% of the Moon is Illuminated
Feb 21
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
12:54 AM 26.1 °F 16.2 °F 8.1 °F 47% 30.10 in 10.0 mi WNW 10.4 mph - N/A   Clear
1:54 AM 25.0 °F 14.2 °F 8.1 °F 49% 30.09 in 10.0 mi WNW 11.5 mph 18.4 mph N/A   Scattered Clouds
2:54 AM 25.0 °F 14.2 °F 9.0 °F 51% 30.07 in 10.0 mi WNW 11.5 mph - N/A   Scattered Clouds
3:54 AM 26.1 °F 14.5 °F 10.0 °F 51% 30.08 in 10.0 mi WNW 13.8 mph - N/A   Overcast
4:54 AM 26.1 °F 13.1 °F 10.0 °F 51% 30.09 in 10.0 mi NW 17.3 mph 24.2 mph N/A   Overcast
5:54 AM 26.1 °F 13.1 °F 10.0 °F 51% 30.10 in 10.0 mi NW 17.3 mph - N/A   Overcast
6:54 AM 26.1 °F 15.0 °F 9.0 °F 49% 30.11 in 10.0 mi NW 12.7 mph 28.8 mph N/A   Mostly Cloudy
7:54 AM 27.0 °F 16.1 °F 9.0 °F 47% 30.12 in 10.0 mi NW 12.7 mph 21.9 mph N/A   Scattered Clouds
8:54 AM 28.9 °F 15.4 °F 9.0 °F 43% 30.13 in 10.0 mi NW 21.9 mph 31.1 mph N/A   Partly Cloudy
9:54 AM 28.9 °F 15.1 °F 9.0 °F 43% 30.14 in 10.0 mi NW 23.0 mph 32.2 mph N/A   Mostly Cloudy
10:54 AM 30.9 °F 17.5 °F 10.0 °F 42% 30.16 in 10.0 mi WNW 24.2 mph 29.9 mph N/A   Mostly Cloudy
11:54 AM 32.0 °F 21.6 °F 10.9 °F 42% 30.13 in 10.0 mi WNW 15.0 mph 24.2 mph N/A   Mostly Cloudy
12:54 PM 34.0 °F 23.8 °F 10.9 °F 38% 30.12 in 10.0 mi WNW 16.1 mph 27.6 mph N/A   Scattered Clouds
1:54 PM 36.0 °F 25.6 °F 10.9 °F 36% 30.11 in 10.0 mi NW 18.4 mph 28.8 mph N/A   Scattered Clouds
2:54 PM 37.0 °F 26.7 °F 12.0 °F 36% 30.10 in 10.0 mi WNW 19.6 mph 28.8 mph N/A   Partly Cloudy
3:54 PM 37.0 °F 26.4 °F 12.0 °F 36% 30.13 in 10.0 mi NW 20.7 mph 29.9 mph N/A   Partly Cloudy
4:54 PM 36.0 °F 26.3 °F 12.0 °F 37% 30.15 in 10.0 mi NW 16.1 mph - N/A   Clear
5:54 PM 35.1 °F 24.8 °F 12.9 °F 40% 30.16 in 10.0 mi NW 17.3 mph - N/A   Clear
6:54 PM 35.1 °F 27.4 °F 12.9 °F 40% 30.24 in 10.0 mi WNW 10.4 mph - N/A   Clear
7:54 PM 33.1 °F 24.4 °F 14.0 °F 46% 30.27 in 10.0 mi North 11.5 mph - N/A   Clear
8:54 PM 33.1 °F 22.6 °F 14.0 °F 46% 30.26 in 10.0 mi North 16.1 mph 25.3 mph N/A   Clear
9:54 PM 30.9 °F 21.7 °F 14.0 °F 50% 30.30 in 10.0 mi North 11.5 mph 23.0 mph N/A   Clear
10:54 PM 28.9 °F 18.6 °F 14.0 °F 54% 30.32 in 10.0 mi North 12.7 mph - N/A   Clear
11:54 PM 28.0 °F 19.3 °F 12.9 °F 53% 30.32 in 10.0 mi North 9.2 mph - N/A   Partly Cloudy