Manassas, VA

10:59 PM EDT on August 22, 2017 (GMT -0400)
Manassas Regional-Davis

Weather History for KHEF - December, 2012

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 50 °F 43 °F 37 °F
Mean Temperature 40 °F 36 °F 29 °F
Min Temperature 35 °F 29 °F 19 °F
Degree Days  
Heating Degree Days (base 65) 36 29 24 202
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 41 °F 30 °F 18 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 28 mph 5 mph 0 mph
Gust Wind 37 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.96 in 29.45 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 25, 2012 Rise Set
Actual Time 7:26 AM EST 4:54 PM EST
Civil Twilight 6:56 AM EST 5:24 PM EST
Nautical Twilight 6:23 AM EST 5:57 PM EST
Astronomical Twilight 5:50 AM EST 6:30 PM EST
Moon 3:00 PM EST (12/25) 4:57 AM EST (12/25)
Length of Visible Light 10h 27m
Length of Day
9h 27m
Waxing Gibbous, 93% of the Moon is Illuminated
Dec 25
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
23 50 34 19 28 23 18 100 73 28 30.08 29.99 29.91 10 10 10 10 2 17 0.00  
24 37 29 21 37 29 21 100 95 87 30.09 29.99 29.90 10 6 1 9 1 - 0.00 Snow
25 48 40 33 41 35 32 100 92 62 30.25 30.06 29.91 10 3 0 14 3 18 0.00 Fog
26 41 36 32 36 32 28 100 86 70 30.24 30.01 29.46 10 7 1 14 7 21 0.00 Rain , Snow
27 41 38 35 36 31 27 100 77 61 30.04 29.75 29.45 10 10 5 28 12 37 0.00  
28 42 36 30 30 29 27 100 78 53 30.16 30.08 30.03 10 10 10 16 7 21 0.00  
29 42 38 33 37 32 28 100 83 61 30.03 29.82 29.59 10 9 2 22 4 34 0.00 Snow