Weather History for Allentown, PA

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Monday, September 30, 2013

  Actual Average Record
Temperature  
Mean Temperature 61 °F 58 °F  
Max Temperature 73 °F 69 °F 87 °F (1953)
Min Temperature 49 °F 47 °F 32 °F (1942)
Degree Days  
Heating Degree Days 4 8  
Month to date heating degree days 120 104  
Since 1 July heating degree days 124 115  
Cooling Degree Days 0 1  
Month to date cooling degree days 78 71  
Year to date cooling degree days 903 750  
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 50 °F    
Average Humidity 74    
Maximum Humidity 100    
Minimum Humidity 47    
Precipitation  
Precipitation 0.00 in 0.17 in 5.73 in (2010)
Month to date precipitation 2.08 4.62  
Year to date precipitation 36.92 34.39  
Snow  
Snow 0.00 in 0.00 in 0.00 in (2002)
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 30.06 in    
Wind  
Wind Speed 2 mph (South)    
Max Wind Speed 8 mph    
Max Gust Speed 12 mph    
Visibility 8 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Sep. 30, 2013 Rise Set
Actual Time 6:57 AM EDT 6:45 PM EDT
Civil Twilight 6:30 AM EDT 7:12 PM EDT
Nautical Twilight 5:58 AM EDT 7:44 PM EDT
Astronomical Twilight 5:26 AM EDT 8:16 PM EDT
Moon 2:31 AM EDT (9/30) 4:15 PM EDT (9/30)
Length of Visible Light 12h 42m
Length of Day
11h 47m
Waning Crescent, 19% of the Moon is Illuminated
Sep 30
Waning Crescent
Oct 4
New
Oct 11
First Quarter
Oct 18
Full
Oct 26
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM 52.0 °F 48.9 °F 89% 30.10 in 9.0 mi Calm Calm - N/A   Partly Cloudy
1:51 AM 53.1 °F 50.0 °F 89% 30.09 in 10.0 mi Calm Calm - N/A   Overcast
2:51 AM 50.0 °F 48.0 °F 93% 30.07 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
3:51 AM 48.9 °F 48.0 °F 97% 30.08 in 8.0 mi North 3.5 mph - N/A   Scattered Clouds
4:51 AM 48.9 °F 46.9 °F 93% 30.08 in 3.0 mi Calm Calm - N/A   Overcast
5:51 AM 50.0 °F 48.0 °F 93% 30.09 in 5.0 mi Calm Calm - N/A   Overcast
6:51 AM 50.0 °F 46.9 °F 89% 30.10 in 8.0 mi Calm Calm - N/A   Mostly Cloudy
7:09 AM 50.0 °F 46.4 °F 87% 30.10 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
7:31 AM 50.0 °F 48.2 °F 94% 30.10 in 4.0 mi Calm Calm - N/A   Mostly Cloudy
7:51 AM 52.0 °F 50.0 °F 93% 30.11 in 4.0 mi Calm Calm - N/A   Overcast
8:03 AM 51.8 °F 50.0 °F 94% 30.11 in 2.5 mi NE 3.5 mph - N/A   Overcast
8:08 AM 51.8 °F 50.0 °F 94% 30.11 in 0.8 mi Calm Calm - N/A   Overcast
8:21 AM 51.8 °F 50.0 °F 94% 30.10 in 2.0 mi Calm Calm - N/A   Overcast
8:29 AM 53.6 °F 51.8 °F 94% 30.10 in 5.0 mi Calm Calm - N/A   Overcast
8:51 AM 55.0 °F 51.1 °F 86% 30.10 in 7.0 mi Calm Calm - N/A   Mostly Cloudy
9:51 AM 61.0 °F 54.0 °F 78% 30.09 in 9.0 mi Calm Calm - N/A   Clear
10:51 AM 64.0 °F 53.1 °F 67% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Clear
11:51 AM 69.1 °F 54.0 °F 58% 30.06 in 10.0 mi Variable 3.5 mph - N/A   Clear
12:51 PM 70.0 °F 48.9 °F 47% 30.04 in 10.0 mi South 3.5 mph - N/A   Clear
1:51 PM 70.0 °F 48.0 °F 46% 30.02 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
2:51 PM 70.0 °F 50.0 °F 49% 30.01 in 10.0 mi South 3.5 mph - N/A   Mostly Cloudy
3:51 PM 70.0 °F 51.1 °F 51% 29.99 in 10.0 mi Calm Calm - N/A   Overcast
4:51 PM 71.1 °F 52.0 °F 51% 29.99 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
5:51 PM 70.0 °F 51.1 °F 51% 29.99 in 10.0 mi South 4.6 mph - N/A   Clear
6:51 PM 62.1 °F 52.0 °F 70% 30.00 in 10.0 mi SSW 3.5 mph - N/A   Clear
7:51 PM 61.0 °F 52.0 °F 72% 30.01 in 10.0 mi Calm Calm - N/A   Clear
8:51 PM 57.0 °F 52.0 °F 83% 30.02 in 10.0 mi Calm Calm - N/A   Clear
9:51 PM 55.0 °F 51.1 °F 86% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:51 PM 55.0 °F 52.0 °F 89% 30.02 in 9.0 mi Calm Calm - N/A   Clear
11:51 PM 53.1 °F 51.1 °F 93% 30.02 in 6.0 mi Calm Calm - N/A   Clear