Weather History for Pottstown, PA

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Monday, December 31, 2012

  Actual Average (KRDG) Record (KRDG)
Temperature  
Mean Temperature 33 °F 31 °F  
Max Temperature 41 °F 38 °F 67 °F (1965)
Min Temperature 27 °F 23 °F -3 °F (1917)
Degree Days  
Heating Degree Days 32 34  
Month to date heating degree days 963  
Since 1 July heating degree days 2031  
Cooling Degree Days 0 0  
Month to date cooling degree days 0  
Year to date cooling degree days 896  
Moisture  
Dew Point 21 °F    
Average Humidity 62    
Maximum Humidity 72    
Minimum Humidity 55    
Precipitation  
Precipitation 0.00 in 0.09 in 1.60 in (1906)
Month to date precipitation 3.29  
Year to date precipitation 43.27  
Sea Level Pressure  
Sea Level Pressure 30.14 in    
Wind  
Wind Speed 6 mph (WSW)    
Max Wind Speed 9 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

Dec. 31, 2012 Rise Set
Actual Time 7:24 AM EST 4:46 PM EST
Civil Twilight 6:54 AM EST 5:16 PM EST
Nautical Twilight 6:20 AM EST 5:51 PM EST
Astronomical Twilight 5:47 AM EST 6:24 PM EST
Moon 8:14 PM EST (12/31) 9:04 AM EST (12/31)
Length of Visible Light 10h 22m
Length of Day
9h 21m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
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 30.9 °F 27.5 °F 19.9 °F 64% 30.23 in 10.0 mi West 3.5 mph - N/A   Overcast
1:54 AM 30.9 °F 24.3 °F 21.0 °F 67% 30.25 in 10.0 mi West 6.9 mph - N/A   Overcast
2:54 AM 30.0 °F 22.4 °F 19.0 °F 64% 30.25 in 10.0 mi West 8.1 mph - N/A   Partly Cloudy
3:54 AM 28.9 °F 21.9 °F 19.0 °F 67% 30.25 in 10.0 mi WSW 6.9 mph - N/A   Partly Cloudy
4:54 AM 28.0 °F 22.8 °F 19.0 °F 69% 30.22 in 10.0 mi WSW 4.6 mph - N/A   Clear
5:54 AM 27.0 °F 21.6 °F 19.0 °F 72% 30.23 in 10.0 mi WSW 4.6 mph - N/A   Clear
6:54 AM 28.0 °F 24.2 °F 19.0 °F 69% 30.22 in 10.0 mi West 3.5 mph - N/A   Clear
7:54 AM 28.0 °F 21.7 °F 19.0 °F 69% 30.22 in 10.0 mi West 5.8 mph - N/A   Clear
8:54 AM 28.9 °F 22.8 °F 19.0 °F 67% 30.22 in 10.0 mi West 5.8 mph - N/A   Clear
9:54 AM 30.0 °F 21.7 °F 19.9 °F 66% 30.23 in 10.0 mi West 9.2 mph - N/A   Clear
10:54 AM 32.0 °F 24.8 °F 21.0 °F 64% 30.20 in 10.0 mi West 8.1 mph - N/A   Clear
11:54 AM 34.0 °F 28.0 °F 21.0 °F 59% 30.17 in 10.0 mi West 6.9 mph - N/A   Clear
12:54 PM 36.0 °F 30.3 °F 21.0 °F 55% 30.13 in 10.0 mi West 6.9 mph - N/A   Clear
1:54 PM 36.0 °F 29.6 °F 21.0 °F 55% 30.09 in 10.0 mi WSW 8.1 mph - N/A   Clear
2:54 PM 35.1 °F 31.0 °F 21.0 °F 57% 30.07 in 10.0 mi WSW 4.6 mph - N/A   Mostly Cloudy
3:54 PM 36.0 °F 31.1 °F 21.0 °F 55% 30.04 in 10.0 mi SSW 5.8 mph - N/A   Overcast
4:54 PM 36.0 °F 32.1 °F 21.0 °F 55% 30.03 in 10.0 mi SSW 4.6 mph - N/A   Overcast
5:54 PM 36.0 °F 31.1 °F 21.9 °F 57% 30.02 in 10.0 mi SSW 5.8 mph - N/A   Overcast
6:54 PM 36.0 °F 32.1 °F 23.0 °F 59% 29.99 in 10.0 mi SSW 4.6 mph - N/A   Overcast
8:54 PM 39.0 °F 33.4 °F 24.1 °F 55% 29.96 in 10.0 mi WSW 8.1 mph - N/A   Mostly Cloudy
10:54 PM 41.0 °F 35.2 °F 28.0 °F 60% 29.95 in 10.0 mi WSW 9.2 mph 18.4 mph N/A   Mostly Cloudy