Weather History for Allentown, PA

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Thursday, May 15, 2014

  Actual Average Record
Temperature  
Mean Temperature 72 °F 60 °F  
Max Temperature 84 °F 71 °F 89 °F (1940)
Min Temperature 60 °F 48 °F 35 °F (1936)
Degree Days  
Heating Degree Days 0 7  
Month to date heating degree days 74 124  
Since 1 July heating degree days 6096 5694  
Cooling Degree Days 7 1  
Month to date cooling degree days 17 9  
Year to date cooling degree days 24 14  
Growing Degree Days 22 (Base 50)    
Moisture  
Dew Point 62 °F    
Average Humidity 71    
Maximum Humidity 93    
Minimum Humidity 48    
Precipitation  
Precipitation 0.00 in 0.14 in 1.25 in (1938)
Month to date precipitation 0.40 1.89  
Year to date precipitation 18.43 14.57  
Snow  
Snow 0.00 in 0.00 in 0.00 in ()
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 30.11 in    
Wind  
Wind Speed 8 mph (SE)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 6 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

May. 15, 2014 Rise Set
Actual Time 5:44 AM EDT 8:11 PM EDT
Civil Twilight 5:13 AM EDT 8:43 PM EDT
Nautical Twilight 4:35 AM EDT 9:21 PM EDT
Astronomical Twilight 3:52 AM EDT 10:04 PM EDT
Moon 9:17 PM EDT (5/15) 6:29 AM EDT (5/15)
Length of Visible Light 15h 29m
Length of Day
14h 27m
Full, 99% of the Moon is Illuminated
May 15
Full
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 13
Full

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 60.1 °F - 57.9 °F 93% 30.21 in 2.5 mi East 6.9 mph - N/A   Overcast
1:51 AM 60.1 °F - 57.9 °F 93% 30.19 in 2.5 mi East 6.9 mph - N/A   Overcast
2:51 AM 60.1 °F - 57.9 °F 93% 30.17 in 2.5 mi East 6.9 mph - N/A   Overcast
2:58 AM 60.8 °F - 57.2 °F 88% 30.18 in 5.0 mi East 6.9 mph - N/A   Overcast
3:40 AM 60.8 °F - 57.2 °F 88% 30.16 in 3.0 mi ESE 8.1 mph - N/A   Overcast
3:51 AM 60.1 °F - 57.9 °F 93% 30.16 in 3.0 mi East 6.9 mph - N/A   Overcast
4:51 AM 60.1 °F - 57.9 °F 93% 30.16 in 6.0 mi East 6.9 mph - N/A   Overcast
5:51 AM 60.1 °F - 57.9 °F 93% 30.15 in 2.0 mi East 5.8 mph - N/A   Overcast
6:37 AM 60.8 °F - 59.0 °F 94% 30.16 in 0.5 mi ESE 3.5 mph - N/A   Overcast
6:51 AM 62.1 °F - 60.1 °F 93% 30.16 in 0.5 mi East 5.8 mph - N/A   Overcast
7:51 AM 62.1 °F - 60.1 °F 93% 30.15 in 0.5 mi SE 8.1 mph - N/A   Overcast
8:51 AM 63.0 °F - 61.0 °F 93% 30.16 in 0.5 mi Calm Calm - N/A   Overcast
9:24 AM 64.4 °F - 62.6 °F 94% 30.16 in 6.0 mi ESE 4.6 mph - N/A   Overcast
9:51 AM 66.0 °F - 62.1 °F 87% 30.16 in 2.5 mi SSE 6.9 mph - N/A   Overcast
10:48 AM 68.0 °F - 62.6 °F 83% 30.16 in 7.0 mi South 6.9 mph - N/A   Overcast
10:51 AM 69.1 °F - 63.0 °F 81% 30.16 in 7.0 mi SSE 5.8 mph - N/A   Overcast
10:58 AM 69.8 °F - 62.6 °F 78% 30.16 in 7.0 mi SSE 5.8 mph - N/A   Overcast
11:51 AM 70.0 °F - 63.0 °F 78% 30.15 in 7.0 mi SSE 3.5 mph - N/A   Overcast
11:58 AM 69.8 °F - 62.6 °F 78% 30.15 in 7.0 mi Calm Calm - N/A   Overcast
12:37 PM 73.4 °F - 64.4 °F 73% 30.13 in 6.0 mi SE 5.8 mph - N/A   Haze
12:51 PM 75.0 °F - 66.0 °F 73% 30.11 in 7.0 mi SE 9.2 mph - N/A   Overcast
1:35 PM 77.0 °F - 64.4 °F 65% 30.10 in 10.0 mi South 11.5 mph 19.6 mph N/A   Overcast
1:51 PM 78.8 °F - 64.4 °F 61% 30.09 in 10.0 mi South 11.5 mph - N/A   Overcast
3:14 PM 80.6 °F 81.8 °F 62.6 °F 54% 30.05 in 10.0 mi SE 16.1 mph 24.2 mph N/A   Scattered Clouds
3:51 PM 81.0 °F 81.9 °F 62.1 °F 52% 30.03 in 10.0 mi SSE 15.0 mph 27.6 mph N/A   Mostly Cloudy
4:51 PM 80.1 °F 81.7 °F 64.0 °F 58% 30.03 in 10.0 mi SE 13.8 mph 23.0 mph N/A   Partly Cloudy
5:51 PM 81.0 °F 82.2 °F 63.0 °F 54% 30.03 in 10.0 mi SSE 12.7 mph 24.2 mph N/A   Scattered Clouds
6:51 PM 78.1 °F - 63.0 °F 60% 30.03 in 10.0 mi SSE 8.1 mph - N/A   Scattered Clouds
7:51 PM 75.2 °F - 62.6 °F 65% 30.04 in 10.0 mi SSE 10.4 mph 24.2 mph N/A   Scattered Clouds
8:51 PM 73.9 °F - 63.0 °F 68% 30.03 in 10.0 mi SE 6.9 mph - N/A   Mostly Cloudy
9:16 PM 73.4 °F - 64.4 °F 73% 30.04 in 10.0 mi ESE 8.1 mph 20.7 mph N/A   Overcast
9:51 PM 73.0 °F - 64.0 °F 73% 30.03 in 10.0 mi ESE 9.2 mph 17.3 mph N/A   Overcast
10:30 PM 71.6 °F - 64.4 °F 78% 30.03 in 10.0 mi SE 8.1 mph 17.3 mph N/A   Mostly Cloudy
10:51 PM 72.0 °F - 64.0 °F 76% 30.02 in 10.0 mi SE 5.8 mph 20.7 mph N/A   Scattered Clouds
11:51 PM 71.1 °F - 63.0 °F 75% 30.00 in 10.0 mi SSE 11.5 mph 24.2 mph N/A   Partly Cloudy