Weather History for KPHL - September, 2012

Change the Weather History Date:

Monday, September 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 67 °F 69 °F  
Max Temperature 78 °F 78 °F 94 °F (1991)
Min Temperature 55 °F 60 °F 44 °F (1959)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 6  
Since 1 July heating degree days 0 7  
Cooling Degree Days 2 5  
Month to date cooling degree days 138 120  
Year to date cooling degree days 1529 1237  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 52 °F    
Average Humidity 56    
Maximum Humidity 80    
Minimum Humidity 31    
Precipitation  
Precipitation 0.00 in 0.13 in 3.48 in (1876)
Month to date precipitation 4.01 2.06  
Year to date precipitation 24.92 30.08  
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 30.08 in    
Wind  
Wind Speed 5 mph (SSW)    
Max Wind Speed 14 mph    
Max Gust Speed 17 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 17, 2012 Rise Set
Actual Time 6:44 AM EDT 7:05 PM EDT
Civil Twilight 6:17 AM EDT 7:32 PM EDT
Nautical Twilight 5:45 AM EDT 8:04 PM EDT
Astronomical Twilight 5:12 AM EDT 8:36 PM EDT
Moon 8:30 AM EDT (9/17) 7:46 PM EDT (9/17)
Length of Visible Light 13h 15m
Length of Day
12h 21m
Waxing Crescent, 3% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM 60.1 °F 46.9 °F 62% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Clear
1:54 AM 60.1 °F 48.9 °F 67% 30.10 in 10.0 mi SW 3.5 mph - N/A   Clear
2:54 AM 59.0 °F 46.9 °F 64% 30.10 in 10.0 mi WSW 4.6 mph - N/A   Clear
3:54 AM 59.0 °F 51.1 °F 75% 30.11 in 10.0 mi West 3.5 mph - N/A   Clear
4:54 AM 57.9 °F 48.9 °F 72% 30.11 in 10.0 mi Calm Calm - N/A   Clear
5:54 AM 57.0 °F 48.9 °F 74% 30.12 in 10.0 mi Calm Calm - N/A   Clear
6:54 AM 59.0 °F 53.1 °F 81% 30.12 in 10.0 mi SW 4.6 mph - N/A   Scattered Clouds
7:54 AM 61.0 °F 54.0 °F 78% 30.13 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:54 AM 64.0 °F 55.0 °F 73% 30.14 in 10.0 mi Calm Calm - N/A   Scattered Clouds
9:54 AM 68.0 °F 54.0 °F 61% 30.14 in 10.0 mi Calm Calm - N/A   Partly Cloudy
10:54 AM 72.0 °F 45.0 °F 38% 30.13 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
11:54 AM 73.9 °F 46.9 °F 38% 30.11 in 10.0 mi Variable 4.6 mph - N/A   Scattered Clouds
12:54 PM 77.0 °F 48.0 °F 36% 30.09 in 10.0 mi Variable 6.9 mph - N/A   Scattered Clouds
1:54 PM 77.0 °F 45.0 °F 32% 30.08 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
2:54 PM 77.0 °F 48.0 °F 36% 30.05 in 10.0 mi SW 10.4 mph - N/A   Mostly Cloudy
3:54 PM 78.1 °F 48.0 °F 35% 30.04 in 10.0 mi SW 10.4 mph 16.1 mph N/A   Mostly Cloudy
4:54 PM 77.0 °F 52.0 °F 42% 30.04 in 10.0 mi SW 11.5 mph - N/A   Mostly Cloudy
5:54 PM 75.9 °F 55.0 °F 48% 30.04 in 10.0 mi South 8.1 mph - N/A   Overcast
6:54 PM 73.0 °F 57.0 °F 57% 30.04 in 10.0 mi South 6.9 mph - N/A   Overcast
7:54 PM 72.0 °F 57.9 °F 61% 30.04 in 10.0 mi South 9.2 mph - N/A   Overcast
8:54 PM 71.1 °F 60.1 °F 68% 30.03 in 10.0 mi SSE 6.9 mph - N/A   Overcast
9:54 PM 70.0 °F 61.0 °F 73% 30.04 in 10.0 mi SSE 9.2 mph - N/A   Overcast
10:54 PM 70.0 °F 62.1 °F 76% 30.03 in 10.0 mi South 6.9 mph - N/A   Overcast
11:54 PM 70.0 °F 62.1 °F 76% 30.02 in 10.0 mi South 5.8 mph - N/A   Overcast