Weather History for Allentown, PA

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Monday, May 12, 2014

  Actual Average Record
Temperature  
Mean Temperature 68 °F 59 °F  
Max Temperature 84 °F 70 °F 89 °F (1948)
Min Temperature 51 °F 47 °F 34 °F (1963)
Degree Days  
Heating Degree Days 0 7  
Month to date heating degree days 71 103  
Since 1 July heating degree days 6093 5673  
Cooling Degree Days 3 1  
Month to date cooling degree days 10 6  
Year to date cooling degree days 17 11  
Growing Degree Days 18 (Base 50)    
Moisture  
Dew Point 53 °F    
Average Humidity 63    
Maximum Humidity 89    
Minimum Humidity 36    
Precipitation  
Precipitation T in 0.12 in 1.43 in (1974)
Month to date precipitation 0.40 1.49  
Year to date precipitation 18.43 14.17  
Snow  
Snow 0.00 in 0.00 in T in (1994)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 68.1 32.9  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.08 in    
Wind  
Wind Speed 3 mph (WSW)    
Max Wind Speed 10 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 12, 2014 Rise Set
Actual Time 5:47 AM EDT 8:09 PM EDT
Civil Twilight 5:17 AM EDT 8:39 PM EDT
Nautical Twilight 4:39 AM EDT 9:17 PM EDT
Astronomical Twilight 3:57 AM EDT 10:00 PM EDT
Moon 6:03 PM EDT (5/12) 4:26 AM EDT (5/12)
Length of Visible Light 15h 22m
Length of Day
14h 21m
Waxing Gibbous, 95% of the Moon is Illuminated
May 12
Waxing Gibbous
May 14
Full
May 21
Last Quarter
May 28
New
Jun 5
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 57.0 °F - 50.0 °F 77% 30.10 in 10.0 mi NW 4.6 mph - N/A   Clear
1:51 AM 54.0 °F - 48.9 °F 83% 30.10 in 10.0 mi Calm Calm - N/A   Clear
2:51 AM 54.0 °F - 48.9 °F 83% 30.10 in 10.0 mi Calm Calm - N/A   Clear
3:51 AM 54.0 °F - 50.0 °F 86% 30.11 in 10.0 mi Calm Calm - N/A   Clear
4:51 AM 52.0 °F - 48.9 °F 89% 30.09 in 10.0 mi NNW 3.5 mph - N/A   Clear
5:51 AM 52.0 °F - 48.9 °F 89% 30.10 in 7.0 mi Calm Calm - N/A   Clear
6:51 AM 54.0 °F - 50.0 °F 86% 30.12 in 9.0 mi Calm Calm - N/A   Clear
7:51 AM 60.1 °F - 51.1 °F 72% 30.13 in 10.0 mi Calm Calm - N/A   Clear
8:51 AM 66.0 °F - 53.1 °F 63% 30.12 in 10.0 mi Calm Calm - N/A   Clear
9:51 AM 72.0 °F - 53.1 °F 51% 30.12 in 10.0 mi Calm Calm - N/A   Clear
10:51 AM 77.0 °F - 53.1 °F 43% 30.12 in 10.0 mi SW 3.5 mph - N/A   Mostly Cloudy
11:51 AM 80.1 °F - 52.0 °F 38% 30.11 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:51 PM 79.0 °F - 55.0 °F 44% 30.09 in 10.0 mi SW 6.9 mph - N/A   Overcast
1:51 PM 82.0 °F 81.4 °F 55.0 °F 39% 30.07 in 10.0 mi SW 4.6 mph - N/A   Mostly Cloudy
2:51 PM 81.0 °F 81.0 °F 57.0 °F 44% 30.06 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
3:51 PM 81.0 °F 80.8 °F 55.9 °F 42% 30.04 in 10.0 mi SW 3.5 mph - N/A   Overcast
4:51 PM 79.0 °F - 55.9 °F 45% 30.04 in 10.0 mi West 3.5 mph - N/A   Overcast
5:51 PM 78.1 °F - 57.0 °F 48% 30.05 in 10.0 mi WNW 3.5 mph - 0.00 in Rain Light Rain
6:51 PM 77.0 °F - 55.9 °F 48% 30.04 in 10.0 mi WNW 4.6 mph - 0.00 in   Overcast
7:51 PM 75.0 °F - 57.9 °F 55% 30.05 in 10.0 mi West 5.8 mph - N/A   Overcast
8:51 PM 72.0 °F - 55.9 °F 57% 30.06 in 10.0 mi WSW 3.5 mph - N/A   Clear
9:51 PM 69.1 °F - 55.0 °F 61% 30.05 in 10.0 mi SSW 3.5 mph - N/A   Clear
10:51 PM 66.9 °F - 55.9 °F 68% 30.06 in 10.0 mi SW 3.5 mph - N/A   Clear
11:51 PM 66.0 °F - 55.9 °F 70% 30.06 in 10.0 mi WSW 3.5 mph - N/A   Clear