Philadelphia, PA

3:43 PM EDT on June 22, 2018 (GMT -0400)
Philadelphia International

Weather History for KPHL - December, 2017

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Thursday, December 7, 2017

  Actual Average Record
Temperature  
Mean Temperature 42 °F 40 °F  
Max Temperature 47 °F 48 °F 73 °F (1998)
Min Temperature 37 °F 33 °F 15 °F (1926)
Degree Days  
Heating Degree Days 23 25  
Month to date heating degree days 132 168  
Since 1 July heating degree days 767 984  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1490 1301  
Moisture  
Dew Point 22 °F    
Average Humidity 49    
Maximum Humidity 64    
Minimum Humidity 34    
Precipitation  
Precipitation 0.00 in 0.12 in 3.71 in (1914)
Month to date precipitation 0.16 0.87  
Year to date precipitation 40.19 38.84  
Snow  
Snow 0.00 in 0.10 in 2.80 in (1959)
Month to date snowfall 0.0 0.5  
Since 1 July snowfall 0.0 0.8  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.05 in    
Wind  
Wind Speed 12 mph (WSW)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 07, 2017 Rise Set
Actual Time 7:09 AM EST 4:35 PM EST
Civil Twilight 6:38 AM EST 5:06 PM EST
Nautical Twilight 6:05 AM EST 5:39 PM EST
Astronomical Twilight 5:32 AM EST 6:12 PM EST
Moon 9:19 PM EST (12/7) 10:46 AM EST (12/7)
Length of Visible Light 10h 27m
Length of Day
9h 26m
Waning Gibbous, 78% of the Moon is Illuminated
Dec 7
Waning Gibbous
Dec 10
Last Quarter
Dec 18
New
Dec 26
First Quarter
Jan 1
Full

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 39.0 °F 32.3 °F 26.1 °F 60% 30.04 in 10.0 mi WSW 10.4 mph - N/A   Overcast
1:54 AM 39.0 °F 34.0 °F 28.0 °F 65% 30.04 in 10.0 mi WSW 6.9 mph - N/A   Overcast
2:54 AM 41.0 °F 33.9 °F 21.0 °F 45% 30.04 in 10.0 mi West 12.7 mph - N/A   Overcast
3:54 AM 39.9 °F 32.5 °F 21.0 °F 47% 30.04 in 10.0 mi West 12.7 mph - N/A   Overcast
4:54 AM 39.0 °F 31.8 °F 21.9 °F 50% 30.04 in 10.0 mi West 11.5 mph - N/A   Overcast
5:54 AM 37.9 °F 30.5 °F 23.0 °F 55% 30.05 in 10.0 mi WSW 11.5 mph - N/A   Partly Cloudy
6:54 AM 37.9 °F 30.5 °F 21.9 °F 53% 30.06 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
7:54 AM 37.0 °F 30.4 °F 24.1 °F 59% 30.07 in 10.0 mi WSW 9.2 mph - N/A   Partly Cloudy
8:54 AM 41.0 °F 34.3 °F 23.0 °F 49% 30.09 in 10.0 mi West 11.5 mph - N/A   Partly Cloudy
9:54 AM 43.0 °F 35.4 °F 21.9 °F 43% 30.09 in 10.0 mi West 16.1 mph - N/A   Partly Cloudy
10:54 AM 45.0 °F 38.9 °F 21.9 °F 40% 30.08 in 10.0 mi WNW 12.7 mph 19.6 mph N/A   Partly Cloudy
11:54 AM 46.0 °F 39.3 °F 21.0 °F 37% 30.05 in 10.0 mi West 16.1 mph 23.0 mph N/A   Scattered Clouds
12:54 PM 46.0 °F 39.3 °F 19.9 °F 35% 30.03 in 10.0 mi WNW 16.1 mph - N/A   Scattered Clouds
1:54 PM 45.0 °F 38.9 °F 21.0 °F 39% 30.02 in 10.0 mi NW 12.7 mph 24.2 mph N/A   Scattered Clouds
2:54 PM 46.0 °F 39.6 °F 19.0 °F 34% 30.02 in 10.0 mi West 15.0 mph - N/A   Scattered Clouds
3:54 PM 45.0 °F 38.5 °F 19.0 °F 36% 30.03 in 10.0 mi West 13.8 mph - N/A   Scattered Clouds
4:54 PM 44.1 °F 38.1 °F 19.0 °F 37% 30.01 in 10.0 mi WSW 11.5 mph - N/A   Mostly Cloudy
5:54 PM 43.0 °F 37.2 °F 19.9 °F 40% 30.02 in 10.0 mi SW 10.4 mph - N/A   Scattered Clouds
6:54 PM 43.0 °F 38.8 °F 21.0 °F 42% 30.04 in 10.0 mi SSW 6.9 mph - N/A   Scattered Clouds
7:54 PM 39.9 °F 34.5 °F 23.0 °F 51% 30.04 in 10.0 mi South 8.1 mph - N/A   Scattered Clouds
8:54 PM 41.0 °F 34.7 °F 23.0 °F 49% 30.04 in 10.0 mi SSW 10.4 mph - N/A   Scattered Clouds
9:54 PM 39.9 °F 33.9 °F 26.1 °F 58% 30.06 in 10.0 mi SW 9.2 mph - N/A   Mostly Cloudy
10:54 PM 42.1 °F 35.2 °F 21.9 °F 45% 30.06 in 10.0 mi WSW 12.7 mph - N/A   Mostly Cloudy
11:54 PM 42.1 °F 37.1 °F 21.9 °F 45% 30.07 in 10.0 mi West 8.1 mph - N/A   Overcast