Weather History for Allentown, PA

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 83 °F 68 °F 54 °F
Mean Temperature 68 °F 56 °F 45 °F
Min Temperature 54 °F 44 °F 31 °F
Degree Days  
Heating Degree Days (base 65) 20 9 0 65
Cooling Degree Days (base 65) 3 0 0 3
Growing Degree Days (base 50) 17 7 0 52
Dew Point  
Dew Point 60 °F 40 °F 22 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.01 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 7 mph 0 mph
Gust Wind 36 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.28 in 29.99 in 29.70 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 16, 2013 Rise Set
Actual Time 5:43 AM EDT 8:13 PM EDT
Civil Twilight 5:12 AM EDT 8:44 PM EDT
Nautical Twilight 4:33 AM EDT 9:23 PM EDT
Astronomical Twilight 3:50 AM EDT 10:06 PM EDT
Moon 11:15 AM EDT (5/16) 12:32 AM EDT (5/16)
Length of Visible Light 15h 31m
Length of Day
14h 29m
Waxing Crescent, 35% of the Moon is Illuminated
May 16
Waxing Crescent
May 18
First Quarter
May 25
Full
May 31
Last Quarter
Jun 8
New

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
12 63 52 40 51 38 25 86 57 28 29.98 29.80 29.71 10 10 10 22 11 36 T  
13 54 45 35 33 29 24 79 56 32 30.15 30.05 29.98 10 10 10 20 8 26 0.00  
14 61 46 31 32 27 22 89 56 23 30.18 30.11 30.03 10 10 10 17 5 28 0.00  
15 73 60 46 57 48 36 78 66 53 30.07 29.87 29.70 10 10 8 17 6 22 T  
16 83 68 52 60 52 41 100 63 26 29.88 29.78 29.73 10 7 2 17 5 24 T Rain
17 73 61 49 42 40 37 66 48 29 30.20 30.09 29.91 10 10 10 13 5 20 0.00  
18 68 61 54 55 49 42 80 66 52 30.28 30.26 30.20 10 10 10 14 6 20 0.01 Rain