Weather History for Philadelphia, PA

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Thursday, September 13, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F 70 °F  
Max Temperature 80 °F 79 °F 95 °F (1952)
Min Temperature 60 °F 62 °F 44 °F (1958)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 2  
Since 1 July heating degree days 0 3  
Cooling Degree Days 5 6  
Month to date cooling degree days 124 99  
Year to date cooling degree days 1515 1216  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 56 °F    
Average Humidity 66    
Maximum Humidity 90    
Minimum Humidity 42    
Precipitation  
Precipitation 0.00 in 0.13 in 2.80 in (1944)
Month to date precipitation 4.01 1.54  
Year to date precipitation 24.92 29.56  
Snow  
Snow 0.00 in 0.00 in 0.00 in (1870)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Since 1 September snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.34 in    
Wind  
Wind Speed 4 mph (SW)    
Max Wind Speed 12 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 13, 2012 Rise Set
Actual Time 6:40 AM EDT 7:12 PM EDT
Civil Twilight 6:13 AM EDT 7:39 PM EDT
Nautical Twilight 5:41 AM EDT 8:11 PM EDT
Astronomical Twilight 5:08 AM EDT 8:43 PM EDT
Moon 3:57 AM EDT (9/13) 5:33 PM EDT (9/13)
Length of Visible Light 13h 25m
Length of Day
12h 31m
Waning Crescent, 7% of the Moon is Illuminated
Sep 13
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 64.0 °F - 57.9 °F 80% 30.36 in 10.0 mi SSE 3.5 mph - N/A   Clear
1:06 AM 64.4 °F - 57.2 °F 77% 30.36 in 9.0 mi SSE 3.5 mph - N/A   Clear
2:54 AM 63.0 °F - 57.9 °F 84% 30.37 in 9.0 mi Calm Calm - N/A   Clear
3:01 AM 64.4 °F - 57.2 °F 77% 30.37 in 10.0 mi Calm Calm - N/A   Clear
3:54 AM 63.0 °F - 57.9 °F 84% 30.35 in 10.0 mi SSW 3.5 mph - N/A   Clear
4:54 AM 61.0 °F - 57.0 °F 87% 30.35 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 60.1 °F - 55.9 °F 86% 30.37 in 10.0 mi Calm Calm - N/A   Clear
6:39 AM 60.8 °F - 55.4 °F 82% 30.37 in 8.0 mi North 3.5 mph - N/A   Partly Cloudy
6:54 AM 61.0 °F - 55.0 °F 81% 30.38 in 9.0 mi North 3.5 mph - N/A   Partly Cloudy
7:37 AM 62.6 °F - 55.4 °F 77% 30.38 in 10.0 mi Calm Calm - N/A   Clear
7:54 AM 63.0 °F - 55.9 °F 78% 30.38 in 10.0 mi Calm Calm - N/A   Clear
8:54 AM 66.0 °F - 57.9 °F 75% 30.38 in 10.0 mi Calm Calm - N/A   Clear
9:54 AM 69.1 °F - 59.0 °F 70% 30.40 in 10.0 mi SW 4.6 mph - N/A   Clear
10:54 AM 72.0 °F - 57.9 °F 61% 30.39 in 10.0 mi South 3.5 mph - N/A   Clear
11:54 AM 73.9 °F - 59.0 °F 59% 30.39 in 10.0 mi SW 3.5 mph - N/A   Clear
12:54 PM 77.0 °F - 57.0 °F 50% 30.37 in 10.0 mi Variable 4.6 mph - N/A   Partly Cloudy
1:54 PM 79.0 °F - 55.9 °F 45% 30.34 in 10.0 mi South 3.5 mph - N/A   Partly Cloudy
2:54 PM 79.0 °F - 54.0 °F 42% 30.32 in 10.0 mi West 5.8 mph - N/A   Partly Cloudy
3:54 PM 80.1 °F 80.2 °F 55.9 °F 43% 30.31 in 10.0 mi SW 5.8 mph - N/A   Partly Cloudy
4:54 PM 80.1 °F 80.2 °F 55.9 °F 43% 30.30 in 10.0 mi Variable 3.5 mph - N/A   Clear
5:54 PM 78.1 °F - 57.9 °F 50% 30.29 in 10.0 mi West 8.1 mph - N/A   Clear
6:54 PM 77.0 °F - 55.9 °F 48% 30.28 in 10.0 mi SW 9.2 mph - N/A   Clear
7:54 PM 73.9 °F - 53.1 °F 48% 30.29 in 10.0 mi SSW 6.9 mph - N/A   Clear
8:54 PM 72.0 °F - 52.0 °F 49% 30.29 in 10.0 mi South 6.9 mph - N/A   Clear
9:54 PM 69.1 °F - 57.0 °F 65% 30.30 in 10.0 mi Calm Calm - N/A   Clear
10:54 PM 68.0 °F - 59.0 °F 73% 30.30 in 10.0 mi SW 4.6 mph - N/A   Clear
11:54 PM 66.9 °F - 59.0 °F 76% 30.30 in 10.0 mi SSW 3.5 mph - N/A   Clear