Weather History for Allentown, PA

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Saturday, August 25, 2012

  Actual Average Record
Temperature  
Mean Temperature 75 °F 70 °F  
Max Temperature 83 °F 81 °F 95 °F (1948)
Min Temperature 66 °F 60 °F 42 °F (1927)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 1 0  
Since 1 June heating degree days 26 36  
Since 1 July heating degree days 1 3  
Cooling Degree Days 10 6  
Month to date cooling degree days 221 182  
Year to date cooling degree days 902 647  
Since 1 June cooling degree days 783 602  
Growing Degree Days 24 (Base 50)    
Moisture  
Dew Point 64 °F    
Average Humidity 70    
Maximum Humidity 93    
Minimum Humidity 47    
Precipitation  
Precipitation T in 0.11 in 1.30 in (1967)
Month to date precipitation 3.62 3.08  
Year to date precipitation 25.69 29.16  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
Month to date snowfall 0.0 0.0  
Since 1 June snowfall 0.0 0.0  
Since 1 July snowfall 0.0 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.23 in    
Wind  
Wind Speed 6 mph (East)    
Max Wind Speed 14 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Aug. 25, 2012 Rise Set
Actual Time 6:22 AM EDT 7:44 PM EDT
Civil Twilight 5:53 AM EDT 8:12 PM EDT
Nautical Twilight 5:19 AM EDT 8:46 PM EDT
Astronomical Twilight 4:43 AM EDT 9:22 PM EDT
Moon 3:16 PM EDT (8/25) 12:02 AM EDT (8/25)
Length of Visible Light 14h 18m
Length of Day
13h 21m
Waxing Gibbous, 62% of the Moon is Illuminated
Aug 25
Waxing Gibbous
Aug 31
Full
Sep 8
Last Quarter
Sep 15
New
Sep 22
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 70.0 °F - 64.0 °F 81% 30.19 in 10.0 mi Calm Calm - N/A   Clear
1:51 AM 68.0 °F - 64.0 °F 87% 30.20 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 70.0 °F - 63.0 °F 78% 30.20 in 10.0 mi NE 3.5 mph - N/A   Clear
3:51 AM 68.0 °F - 63.0 °F 84% 30.19 in 9.0 mi NE 3.5 mph - N/A   Clear
4:51 AM 66.0 °F - 63.0 °F 90% 30.20 in 8.0 mi NE 5.8 mph - N/A   Clear
5:51 AM 66.0 °F - 63.0 °F 90% 30.20 in 6.0 mi Calm Calm - N/A   Clear
6:51 AM 66.9 °F - 64.0 °F 90% 30.22 in 5.0 mi Calm Calm - N/A   Clear
7:51 AM 69.1 °F - 64.9 °F 87% 30.24 in 6.0 mi NE 6.9 mph - N/A   Clear
8:51 AM 72.0 °F - 66.0 °F 81% 30.25 in 7.0 mi NE 4.6 mph - N/A   Clear
9:51 AM 75.0 °F - 66.0 °F 73% 30.26 in 8.0 mi ENE 4.6 mph - N/A   Clear
10:51 AM 78.1 °F - 66.9 °F 68% 30.27 in 9.0 mi NE 6.9 mph - N/A   Clear
11:51 AM 79.0 °F - 64.0 °F 60% 30.25 in 10.0 mi East 9.2 mph - N/A   Clear
12:51 PM 80.1 °F 81.5 °F 63.0 °F 56% 30.25 in 10.0 mi East 9.2 mph - N/A   Clear
1:51 PM 82.9 °F 84.0 °F 63.0 °F 51% 30.24 in 10.0 mi East 6.9 mph - N/A   Clear
2:51 PM 82.0 °F 83.1 °F 63.0 °F 52% 30.22 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
3:51 PM 82.0 °F 82.7 °F 61.0 °F 49% 30.23 in 10.0 mi ESE 9.2 mph - N/A   Clear
4:51 PM 80.1 °F 81.5 °F 63.0 °F 56% 30.22 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
5:51 PM 79.0 °F - 64.9 °F 62% 30.23 in 10.0 mi ESE 8.1 mph - 0.00 in   Overcast
6:51 PM 78.1 °F - 64.9 °F 64% 30.23 in 10.0 mi ESE 6.9 mph - N/A   Mostly Cloudy
7:51 PM 77.0 °F - 64.9 °F 66% 30.25 in 10.0 mi ESE 6.9 mph - 0.00 in Rain Light Rain
8:51 PM 75.0 °F - 66.9 °F 76% 30.25 in 10.0 mi ESE 10.4 mph - 0.00 in   Mostly Cloudy
9:51 PM 73.0 °F - 66.0 °F 79% 30.25 in 10.0 mi East 10.4 mph - N/A   Mostly Cloudy
10:51 PM 73.0 °F - 66.0 °F 79% 30.26 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
11:51 PM 71.1 °F - 64.0 °F 78% 30.27 in 10.0 mi ESE 4.6 mph - N/A   Clear