Weather History for Philadelphia, PA

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 30 °F 36 °F  
Max Temperature 38 °F 44 °F 69 °F (1991)
Min Temperature 21 °F 28 °F 0 °F (1979)
Degree Days  
Heating Degree Days 35 29  
Month to date heating degree days 564 545  
Since 1 July heating degree days 2941 3208  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 7 °F    
Average Humidity 37    
Maximum Humidity 47    
Minimum Humidity 27    
Precipitation  
Precipitation 0.00 in 0.10 in 1.35 in (1956)
Month to date precipitation 1.27 1.70  
Year to date precipitation 4.61 4.73  
Snow  
Snow 0.00 in 0.30 in 3.60 in (2000)
Month to date snowfall 2.7 6.2  
Since 1 July snowfall 7.0 16.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.25 in    
Wind  
Wind Speed 12 mph (West)    
Max Wind Speed 30 mph    
Max Gust Speed 38 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 18, 2013 Rise Set
Actual Time 6:49 AM EST 5:40 PM EST
Civil Twilight 6:21 AM EST 6:08 PM EST
Nautical Twilight 5:50 AM EST 6:39 PM EST
Astronomical Twilight 5:19 AM EST 7:11 PM EST
Moon 11:25 AM EST (2/18) 1:26 AM EST (2/18)
Length of Visible Light 11h 46m
Length of Day
10h 51m
First Quarter, 58% of the Moon is Illuminated
Feb 18
First Quarter
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 23.0 °F 9.2 °F -0.0 °F 37% 30.14 in 10.0 mi WNW 17.3 mph 31.1 mph N/A   Partly Cloudy
1:54 AM 23.0 °F 7.6 °F 1.9 °F 40% 30.16 in 10.0 mi NW 21.9 mph 29.9 mph N/A   Partly Cloudy
2:54 AM 21.9 °F 8.7 °F 3.9 °F 46% 30.17 in 10.0 mi WNW 15.0 mph - N/A   Partly Cloudy
3:54 AM 21.9 °F 8.7 °F 3.9 °F 46% 30.19 in 10.0 mi WNW 15.0 mph 20.7 mph N/A   Clear
4:54 AM 21.9 °F 8.7 °F 3.0 °F 44% 30.22 in 10.0 mi NW 15.0 mph 23.0 mph N/A   Clear
5:54 AM 21.9 °F 9.2 °F 3.9 °F 46% 30.25 in 10.0 mi WNW 13.8 mph - N/A   Clear
6:54 AM 21.0 °F 10.6 °F 3.9 °F 48% 30.28 in 10.0 mi WNW 9.2 mph - N/A   Clear
7:54 AM 21.9 °F 9.8 °F 5.0 °F 48% 30.31 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Clear
8:54 AM 24.1 °F 9.4 °F 3.9 °F 42% 30.33 in 10.0 mi WNW 20.7 mph 25.3 mph N/A   Clear
9:54 AM 27.0 °F 15.2 °F 3.9 °F 37% 30.32 in 10.0 mi NW 15.0 mph 20.7 mph N/A   Clear
10:54 AM 28.9 °F 18.2 °F 5.0 °F 36% 30.34 in 10.0 mi West 13.8 mph - N/A   Clear
11:54 AM 30.9 °F 22.8 °F 6.1 °F 35% 30.32 in 10.0 mi West 9.2 mph 18.4 mph N/A   Partly Cloudy
12:54 PM 33.1 °F 25.5 °F 6.1 °F 32% 30.28 in 10.0 mi NW 9.2 mph 19.6 mph N/A   Partly Cloudy
1:54 PM 35.1 °F 26.4 °F 6.1 °F 30% 30.26 in 10.0 mi WSW 12.7 mph - N/A   Scattered Clouds
2:54 PM 37.0 °F 28.5 °F 6.1 °F 28% 30.25 in 10.0 mi West 13.8 mph 21.9 mph N/A   Scattered Clouds
3:54 PM 37.0 °F 29.8 °F 6.1 °F 28% 30.25 in 10.0 mi West 10.4 mph - N/A   Scattered Clouds
4:54 PM 37.0 °F 30.4 °F 7.0 °F 29% 30.25 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
5:54 PM 36.0 °F 30.3 °F 8.1 °F 31% 30.25 in 10.0 mi SW 6.9 mph - N/A   Scattered Clouds
6:54 PM 34.0 °F 26.6 °F 12.9 °F 42% 30.27 in 10.0 mi SSW 9.2 mph - N/A   Scattered Clouds
7:54 PM 34.0 °F 25.5 °F 10.9 °F 38% 30.27 in 10.0 mi SW 11.5 mph - N/A   Scattered Clouds
8:54 PM 33.1 °F 26.9 °F 12.9 °F 43% 30.26 in 10.0 mi SSW 6.9 mph - N/A   Mostly Cloudy
9:54 PM 33.1 °F 27.7 °F 12.0 °F 42% 30.25 in 10.0 mi SSW 5.8 mph - N/A   Mostly Cloudy
10:54 PM 32.0 °F 27.5 °F 12.9 °F 45% 30.23 in 10.0 mi SSW 4.6 mph - N/A   Mostly Cloudy
11:54 PM 33.1 °F 27.7 °F 15.1 °F 48% 30.23 in 10.0 mi SSW 5.8 mph - N/A   Scattered Clouds