Manassas, VA

1:25 AM EDT on August 20, 2017 (GMT -0400)
Manassas Regional-Davis

Weather History for KHEF - December, 2013

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Month of December, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 71 °F 48 °F 32 °F
Mean Temperature 66 °F 38 °F 25 °F
Min Temperature 62 °F 29 °F 15 °F
Degree Days  
Heating Degree Days (base 65) 40 27 0 825
Cooling Degree Days (base 65) 2 0 0 2
Growing Degree Days (base 50) 16 1 0 39
Dew Point  
Dew Point 64 °F 32 °F 10 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 25 mph 4 mph 0 mph
Gust Wind 32 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.59 in 30.14 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Dec. 11, 2013 Rise Set
Actual Time 7:18 AM EST 4:48 PM EST
Civil Twilight 6:48 AM EST 5:18 PM EST
Nautical Twilight 6:15 AM EST 5:51 PM EST
Astronomical Twilight 5:42 AM EST 6:24 PM EST
Moon 1:18 PM EST (12/11) 1:40 AM EST (12/11)
Length of Visible Light 10h 30m
Length of Day
9h 30m
Waxing Gibbous, 71% of the Moon is Illuminated
Dec 11
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Daily Weather History & Observations

2013 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  
1 48 32 17 36 25 18 100 89 50 30.38 30.22 30.02 10 10 8 4 0 - 0.00  
2 46 40 35 37 36 34 100 91 71 30.02 29.94 29.88 10 10 6 5 0 - 0.00  
3 55 44 32 39 36 30 100 91 51 30.00 29.94 29.89 10 8 3 5 0 - 0.00  
4 57 45 33 54 43 32 100 92 72 30.09 30.04 30.00 10 9 4 8 2 - 0.00  
5 68 60 53 64 58 52 100 94 73 30.07 30.01 29.94 10 9 1 12 5 20 0.00  
6 66 52 39 64 53 37 100 97 93 30.18 30.01 29.89 10 8 1 23 9 28 0.00 Rain
7 42 36 28 39 32 25 100 80 61 30.55 30.39 30.16 10 10 4 20 10 23 0.00  
8 32 30 28 32 26 21 100 88 69 30.59 30.51 30.30 10 7 0 10 6 16 0.00 Snow
9 35 34 32 36 33 30 100 99 93 30.31 30.16 30.06 10 5 0 7 3 - 0.00 Rain
10 37 29 21 36 29 19 100 94 65 30.24 30.09 30.02 10 5 0 15 2 17 0.00 Snow
11 39 27 15 27 19 10 100 88 44 30.41 30.31 30.24 10 10 8 6 1 - 0.00  
12 33 25 17 28 19 10 100 88 38 30.43 30.32 30.27 10 10 10 12 3 17 0.00  
13 39 27 15 28 21 14 100 85 39 30.31 30.27 30.23 10 10 10 7 1 - 0.00  
14 39 34 28 37 32 27 100 94 81 30.32 30.16 29.73 10 9 2 9 1 - 0.00  
15 48 36 24 39 33 25 100 94 53 29.96 29.78 29.65 10 8 1 16 3 23 0.00  
16 37 30 24 32 28 25 100 88 60 30.19 30.08 29.96 10 10 10 9 1 - 0.00  
17 39 36 33 36 31 27 100 85 75 30.16 30.04 29.93 10 10 2 9 1 - 0.00  
18 42 32 23 34 28 21 100 89 49 30.22 30.14 30.01 10 8 0 10 2 - 0.00  
19 60 40 21 34 27 21 100 69 29 30.22 30.15 30.08 10 10 10 7 2 - 0.00  
20 60 46 33 43 34 28 93 60 39 30.12 30.08 30.01 10 10 10 10 4 - 0.00  
21 71 61 51 63 52 43 88 69 53 30.03 29.97 29.90 10 10 10 20 9 31 0.00  
22 71 66 62 64 62 61 100 87 73 30.02 29.93 29.84 10 10 5 20 13 32 0.00  
23 62 50 37 63 50 30 100 88 66 30.25 30.07 29.91 10 9 2 17 6 25 0.00 Rain
24 39 31 21 28 20 10 86 62 44 30.51 30.33 30.22 10 10 10 25 11 32 0.00  
25 32 26 19 19 15 12 86 70 44 30.58 30.48 30.39 10 10 10 10 5 - 0.00  
26 44 32 19 25 21 18 100 86 43 30.38 30.32 30.24 10 10 10 6 2 - 0.00  
27 51 35 19 27 22 18 100 81 28 30.44 30.37 30.32 10 10 10 6 1 - 0.00  
28 57 39 21 34 26 19 100 71 29 30.35 30.24 30.12 10 10 10 10 2 - 0.00  
29 46 40 33 46 39 34 100 93 66 30.11 29.90 29.57 10 7 1 10 2 18 0.00 Rain
30 44 37 30 43 30 23 100 85 65 30.19 30.03 29.83 10 8 1 18 3 24 0.00  
31 46 36 26 30 24 19 100 70 42 30.31 30.20 30.13 10 10 10 14 4 23 0.00