Weather History for Philadelphia, PA

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Thursday, January 17, 2013

  Actual Average Record
Temperature  
Mean Temperature 41 °F 33 °F  
Max Temperature 43 °F 40 °F 63 °F (1913)
Min Temperature 38 °F 25 °F -7 °F (1982)
Degree Days  
Heating Degree Days 24 32  
Month to date heating degree days 430 542  
Since 1 July heating degree days 1926 2212  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 73    
Maximum Humidity 92    
Minimum Humidity 53    
Precipitation  
Precipitation 0.00 in 0.10 in 1.66 in (1978)
Month to date precipitation 2.17 1.66  
Year to date precipitation 2.17 1.66  
Snow  
Snow 0.00 in 0.20 in 4.40 in (1978)
Month to date snowfall 0.7 3.1  
Since 1 July snowfall 1.1 6.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.06 in    
Wind  
Wind Speed 8 mph (WNW)    
Max Wind Speed 17 mph    
Max Gust Speed 22 mph    
Visibility 9 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Jan. 17, 2013 Rise Set
Actual Time 7:19 AM EST 5:03 PM EST
Civil Twilight 6:50 AM EST 5:32 PM EST
Nautical Twilight 6:16 AM EST 6:05 PM EST
Astronomical Twilight 5:44 AM EST 6:38 PM EST
Moon 10:25 AM EST (1/17) 11:51 PM EST (1/17)
Length of Visible Light 10h 42m
Length of Day
9h 43m
Waxing Crescent, 37% of the Moon is Illuminated
Jan 17
Waxing Crescent
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter
Feb 10
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 39.9 °F 37.8 °F 36.0 °F 86% 29.99 in 6.0 mi SW 3.5 mph - N/A   Overcast
1:03 AM 39.2 °F 35.9 °F 35.6 °F 87% 29.98 in 7.0 mi SW 4.6 mph - N/A   Overcast
1:54 AM 39.9 °F 35.8 °F 36.0 °F 86% 29.99 in 7.0 mi WSW 5.8 mph - N/A   Overcast
2:54 AM 39.0 °F 34.8 °F 37.0 °F 93% 29.99 in 8.0 mi SW 5.8 mph - N/A   Overcast
3:54 AM 39.0 °F 34.8 °F 36.0 °F 89% 29.98 in 8.0 mi WSW 5.8 mph - N/A   Overcast
4:54 AM 39.0 °F 35.7 °F 35.1 °F 86% 29.99 in 9.0 mi WSW 4.6 mph - N/A   Overcast
5:54 AM 39.9 °F 35.1 °F 35.1 °F 83% 30.01 in 9.0 mi West 6.9 mph - N/A   Overcast
6:13 AM 41.0 °F 35.8 °F 33.8 °F 76% 30.02 in 10.0 mi WSW 8.1 mph - N/A   Overcast
6:54 AM 43.0 °F 38.2 °F 28.0 °F 56% 30.04 in 10.0 mi WNW 8.1 mph - N/A   Overcast
7:54 AM 41.0 °F 35.8 °F 28.9 °F 62% 30.06 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
8:54 AM 39.9 °F 32.9 °F 27.0 °F 60% 30.11 in 10.0 mi NNW 11.5 mph 20.7 mph N/A   Overcast
9:54 AM 41.0 °F 34.7 °F 27.0 °F 57% 30.10 in 10.0 mi NW 10.4 mph - N/A   Overcast
10:54 AM 42.1 °F 36.1 °F 27.0 °F 55% 30.11 in 10.0 mi NW 10.4 mph - N/A   Overcast
11:54 AM 43.0 °F 36.0 °F 27.0 °F 53% 30.12 in 10.0 mi NW 13.8 mph - N/A   Overcast
12:54 PM 43.0 °F 38.2 °F 27.0 °F 53% 30.09 in 10.0 mi NW 8.1 mph - N/A   Overcast
1:54 PM 43.0 °F 36.4 °F 26.1 °F 51% 30.09 in 10.0 mi NNW 12.7 mph 18.4 mph N/A   Overcast
2:54 PM 42.1 °F 36.6 °F 27.0 °F 55% 30.06 in 10.0 mi North 9.2 mph - N/A   Overcast
3:54 PM 42.1 °F 37.7 °F 26.1 °F 53% 30.09 in 10.0 mi Variable 6.9 mph - N/A   Overcast
4:54 PM 42.1 °F - 26.1 °F 53% 30.11 in 10.0 mi Calm Calm - N/A   Overcast
5:54 PM 42.1 °F 37.7 °F 27.0 °F 55% 30.11 in 10.0 mi NW 6.9 mph - N/A   Overcast
6:54 PM 41.0 °F 35.8 °F 27.0 °F 57% 30.11 in 10.0 mi NW 8.1 mph - N/A   Overcast
7:54 PM 41.0 °F 38.0 °F 28.0 °F 60% 30.10 in 10.0 mi NW 4.6 mph - N/A   Overcast
8:54 PM 39.9 °F 35.1 °F 28.0 °F 63% 30.07 in 10.0 mi NNW 6.9 mph - N/A   Overcast
9:54 PM 39.9 °F 34.5 °F 28.0 °F 63% 30.06 in 10.0 mi NNW 8.1 mph - N/A   Overcast
10:54 PM 39.9 °F 34.5 °F 27.0 °F 60% 30.06 in 10.0 mi NW 8.1 mph - N/A   Overcast
11:54 PM 39.0 °F 34.8 °F 27.0 °F 62% 30.05 in 10.0 mi NW 5.8 mph - N/A   Overcast