Weather History for Philadelphia, PA

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Friday, December 27, 2013

  Actual Average Record
Temperature  
Mean Temperature 36 °F 34 °F  
Max Temperature 46 °F 42 °F 64 °F (1949)
Min Temperature 25 °F 27 °F 8 °F (1989)
Degree Days  
Heating Degree Days 29 30  
Month to date heating degree days 702 730  
Since 1 July heating degree days 1508 1546  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1411 1301  
Moisture  
Dew Point 19 °F    
Average Humidity 53    
Maximum Humidity 75    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.10 in 1.55 in (1964)
Month to date precipitation 4.01 3.18  
Year to date precipitation 54.69 41.15  
Snow  
Snow 0.00 in 0.10 in 3.40 in (1990)
Month to date snowfall 11.2 2.7  
Since 1 July snowfall 11.2 3.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.36 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 17 mph    
Max Gust Speed 21 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 27, 2013 Rise Set
Actual Time 7:21 AM EST 4:43 PM EST
Civil Twilight 6:50 AM EST 5:13 PM EST
Nautical Twilight 6:16 AM EST 5:47 PM EST
Astronomical Twilight 5:44 AM EST 6:20 PM EST
Moon 1:50 AM EST (12/27) 12:51 PM EST (12/27)
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waning Crescent, 28% of the Moon is Illuminated
Dec 27
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last 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 28.0 °F 24.2 °F 19.9 °F 72% 30.35 in 10.0 mi West 3.5 mph - N/A   Clear
1:54 AM 28.0 °F 22.8 °F 19.9 °F 72% 30.36 in 10.0 mi WSW 4.6 mph - N/A   Clear
2:54 AM 28.0 °F - 21.0 °F 75% 30.37 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 26.1 °F 19.4 °F 18.0 °F 71% 30.38 in 10.0 mi WSW 5.8 mph - N/A   Clear
4:54 AM 28.0 °F - 18.0 °F 66% 30.38 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 30.9 °F 25.2 °F 18.0 °F 59% 30.39 in 10.0 mi West 5.8 mph - N/A   Clear
6:54 AM 30.9 °F 26.2 °F 17.1 °F 57% 30.40 in 10.0 mi WNW 4.6 mph - N/A   Clear
7:54 AM 30.9 °F 25.2 °F 17.1 °F 57% 30.41 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
8:54 AM 32.0 °F 27.5 °F 18.0 °F 56% 30.42 in 10.0 mi WSW 4.6 mph - N/A   Partly Cloudy
9:54 AM 34.0 °F 29.8 °F 19.9 °F 56% 30.42 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
10:54 AM 37.0 °F 30.4 °F 18.0 °F 46% 30.40 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
11:54 AM 39.0 °F 31.8 °F 18.0 °F 43% 30.38 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
12:54 PM 44.1 °F 37.1 °F 18.0 °F 35% 30.33 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
1:54 PM 45.0 °F 38.2 °F 18.0 °F 34% 30.31 in 10.0 mi WSW 15.0 mph - N/A   Scattered Clouds
2:54 PM 46.0 °F 39.6 °F 17.1 °F 31% 30.31 in 10.0 mi SW 15.0 mph - N/A   Scattered Clouds
3:54 PM 45.0 °F 38.9 °F 18.0 °F 34% 30.31 in 10.0 mi SW 12.7 mph - N/A   Scattered Clouds
4:54 PM 42.1 °F 36.6 °F 19.0 °F 40% 30.31 in 10.0 mi SW 9.2 mph - N/A   Scattered Clouds
5:54 PM 39.0 °F 33.4 °F 19.0 °F 45% 30.32 in 10.0 mi WSW 8.1 mph - N/A   Partly Cloudy
6:54 PM 39.9 °F 33.4 °F 19.0 °F 43% 30.33 in 10.0 mi SW 10.4 mph - N/A   Partly Cloudy
7:54 PM 36.0 °F 31.1 °F 21.0 °F 55% 30.35 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 PM 39.0 °F 36.8 °F 19.0 °F 45% 30.35 in 10.0 mi NW 3.5 mph - N/A   Clear
9:54 PM 35.1 °F - 21.9 °F 59% 30.36 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:54 PM 33.1 °F - 24.1 °F 70% 30.34 in 10.0 mi Calm Calm - N/A   Scattered Clouds
11:54 PM 30.9 °F - 23.0 °F 72% 30.33 in 10.0 mi Calm Calm - N/A   Clear