Weather History for Philadelphia, PA

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 47 °F 39 °F  
Max Temperature 50 °F 47 °F 70 °F (1966)
Min Temperature 43 °F 32 °F 6 °F (1876)
Degree Days  
Heating Degree Days 18 26  
Month to date heating degree days 159 219  
Since 1 July heating degree days 985 1035  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 1603 1301  
Moisture  
Dew Point 44 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 83    
Precipitation  
Precipitation 0.32 in 0.13 in 2.13 in (2009)
Month to date precipitation 0.72 1.12  
Year to date precipitation 32.24 39.09  
Snow  
Snow 0.00 in 0.10 in 2.90 in (1942)
Month to date snowfall 0.0 0.6  
Since 1 July snowfall T 0.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 7 mph (NE)    
Max Wind Speed 16 mph    
Max Gust Speed 21 mph    
Visibility 4 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 09, 2012 Rise Set
Actual Time 7:11 AM EST 4:35 PM EST
Civil Twilight 6:40 AM EST 5:06 PM EST
Nautical Twilight 6:06 AM EST 5:40 PM EST
Astronomical Twilight 5:34 AM EST 6:12 PM EST
Moon 2:41 AM EST (12/9) 1:41 PM EST (12/9)
Length of Visible Light 10h 25m
Length of Day
9h 24m
Waning Crescent, 19% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:10 AM 48.2 °F - 46.4 °F 93% 30.03 in 2.0 mi Calm Calm - N/A   Overcast
12:27 AM 48.2 °F - 46.4 °F 93% 30.04 in 2.0 mi Calm Calm - N/A   Overcast
12:54 AM 48.0 °F - 46.9 °F 96% 30.05 in 2.0 mi West 3.5 mph - N/A   Overcast
1:54 AM 48.0 °F - 46.9 °F 96% 30.06 in 2.5 mi SW 3.5 mph - N/A   Overcast
2:22 AM 46.4 °F - 46.4 °F 100% 30.07 in 1.8 mi Calm Calm - N/A   Overcast
2:54 AM 46.9 °F - 46.0 °F 97% 30.08 in 1.8 mi SW 3.5 mph - N/A   Overcast
3:54 AM 46.9 °F - 46.0 °F 97% 30.08 in 1.8 mi Calm Calm - N/A   Overcast
4:49 AM 46.4 °F - 46.4 °F 100% 30.10 in 1.2 mi Calm Calm - N/A   Overcast
4:54 AM 46.0 °F - 45.0 °F 96% 30.10 in 1.2 mi Calm Calm - N/A   Overcast
5:07 AM 46.4 °F - 46.4 °F 100% 30.11 in 1.5 mi Calm Calm - N/A   Overcast
5:29 AM 46.4 °F - 46.4 °F 100% 30.12 in 1.5 mi Calm Calm - N/A   Overcast
5:42 AM 46.4 °F 45.2 °F 44.6 °F 93% 30.13 in 2.5 mi NE 3.5 mph - N/A   Overcast
5:54 AM 48.0 °F - 46.0 °F 93% 30.14 in 2.0 mi NE 4.6 mph - 0.00 in Rain Light Rain
6:08 AM 48.2 °F - 46.4 °F 93% 30.15 in 3.0 mi NNE 3.5 mph - 0.00 in   Overcast
6:36 AM 48.2 °F - 46.4 °F 93% 30.17 in 5.0 mi Variable 3.5 mph - 0.00 in   Overcast
6:54 AM 50.0 °F - 46.0 °F 86% 30.17 in 5.0 mi NE 11.5 mph - 0.00 in Rain Light Rain
7:54 AM 48.9 °F - 45.0 °F 86% 30.19 in 5.0 mi NE 11.5 mph 18.4 mph 0.01 in Rain Light Rain
8:06 AM 48.2 °F - 44.6 °F 87% 30.20 in 5.0 mi NNE 9.2 mph - 0.00 in Rain Light Rain
8:22 AM 48.2 °F - 44.6 °F 87% 30.20 in 4.0 mi NNE 9.2 mph - 0.01 in Rain Light Rain
8:54 AM 48.0 °F - 44.1 °F 86% 30.22 in 3.0 mi NNE 8.1 mph - 0.06 in Rain Rain
9:29 AM 46.4 °F 41.1 °F 42.8 °F 87% 30.23 in 5.0 mi NE 11.5 mph - 0.05 in Rain Light Rain
9:43 AM 46.4 °F 41.9 °F 42.8 °F 87% 30.24 in 4.0 mi NNE 9.2 mph - 0.06 in Rain Rain
9:54 AM 46.9 °F - 43.0 °F 86% 30.23 in 4.0 mi NE 9.2 mph - 0.10 in Rain Rain
10:16 AM 46.4 °F 41.1 °F 42.8 °F 87% 30.24 in 5.0 mi NNE 11.5 mph - 0.03 in Rain Light Rain
10:54 AM 46.9 °F - 43.0 °F 86% 30.23 in 6.0 mi NNE 6.9 mph - 0.05 in Rain Light Rain
11:12 AM 46.4 °F 42.4 °F 42.8 °F 87% 30.22 in 7.0 mi NE 8.1 mph - 0.00 in Rain Light Rain
11:54 AM 46.9 °F - 43.0 °F 86% 30.20 in 9.0 mi NE 9.2 mph - 0.00 in Rain Light Rain
12:18 PM 46.4 °F 41.5 °F 42.8 °F 87% 30.18 in 6.0 mi NE 10.4 mph - 0.00 in Rain Light Rain
12:54 PM 46.0 °F 41.0 °F 44.1 °F 93% 30.17 in 5.0 mi NE 10.4 mph - 0.01 in Rain Light Rain
12:56 PM 46.4 °F 41.1 °F 44.6 °F 93% 30.16 in 5.0 mi NE 11.5 mph - 0.00 in Rain Light Rain
1:11 PM 46.4 °F 42.4 °F 44.6 °F 93% 30.18 in 7.0 mi NNE 8.1 mph - 0.00 in Rain Light Rain
1:22 PM 46.4 °F 42.4 °F 44.6 °F 93% 30.17 in 7.0 mi NE 8.1 mph - 0.00 in Rain Light Rain
1:54 PM 46.9 °F - 45.0 °F 93% 30.16 in 7.0 mi NE 8.1 mph - 0.00 in Rain Light Rain
2:54 PM 45.0 °F 38.5 °F 39.0 °F 80% 30.17 in 8.0 mi ENE 13.8 mph 19.6 mph 0.00 in   Overcast
3:54 PM 44.1 °F 37.7 °F 39.0 °F 82% 30.18 in 8.0 mi ENE 12.7 mph - N/A   Overcast
4:15 PM 44.6 °F 40.7 °F 39.2 °F 81% 30.18 in 10.0 mi ENE 6.9 mph - N/A   Overcast
4:54 PM 44.1 °F 40.8 °F 39.0 °F 82% 30.18 in 10.0 mi ENE 5.8 mph - N/A   Overcast
5:26 PM 42.8 °F 38.0 °F 39.2 °F 87% 30.18 in 6.0 mi NE 8.1 mph - N/A   Overcast
5:54 PM 43.0 °F 38.2 °F 41.0 °F 93% 30.16 in 5.0 mi NE 8.1 mph - N/A   Overcast
6:01 PM 42.8 °F 38.6 °F 41.0 °F 93% 30.16 in 3.0 mi NE 6.9 mph - N/A   Overcast
6:19 PM 42.8 °F 37.5 °F 41.0 °F 93% 30.15 in 2.0 mi NE 9.2 mph - 0.00 in Rain Light Rain
6:54 PM 43.0 °F 38.2 °F 41.0 °F 93% 30.15 in 2.5 mi NE 8.1 mph - 0.01 in Rain Light Rain
7:04 PM 42.8 °F 37.5 °F 41.0 °F 93% 30.15 in 3.0 mi NE 9.2 mph 19.6 mph 0.01 in Rain Light Rain
7:27 PM 42.8 °F 37.0 °F 41.0 °F 93% 30.13 in 5.0 mi NE 10.4 mph 17.3 mph 0.01 in   Overcast
7:54 PM 43.0 °F 37.7 °F 42.1 °F 97% 30.12 in 5.0 mi ENE 9.2 mph - 0.01 in   Overcast
8:07 PM 42.8 °F 38.6 °F 42.8 °F 100% 30.11 in 3.0 mi ENE 6.9 mph - N/A   Overcast
8:54 PM 44.1 °F 40.1 °F 42.1 °F 93% 30.09 in 3.0 mi NE 6.9 mph - N/A   Overcast
9:54 PM 44.1 °F - 43.0 °F 96% 30.06 in 3.0 mi Calm Calm - 0.04 in Rain Light Rain
10:54 PM 45.0 °F 41.8 °F 43.0 °F 93% 30.04 in 4.0 mi North 5.8 mph - 0.01 in Rain Light Rain
11:08 PM 44.6 °F 41.4 °F 42.8 °F 93% 30.03 in 5.0 mi North 5.8 mph - 0.02 in Rain Light Rain
11:43 PM 46.4 °F - 44.6 °F 93% 30.01 in 7.0 mi Calm Calm - 0.02 in   Overcast
11:54 PM 46.0 °F - 44.1 °F 93% 30.01 in 7.0 mi Calm Calm - 0.02 in   Overcast