Dulles Airport, VA

6:06 AM EDT on July 28, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - February, 2012

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Month of February, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 69 °F 51 °F 31 °F
Mean Temperature 60 °F 41 °F 26 °F
Min Temperature 50 °F 31 °F 17 °F
Degree Days  
Heating Degree Days (base 65) 39 24 5 691
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 0 0 14
Dew Point  
Dew Point 55 °F 28 °F 7 °F
Precipitation  
Precipitation 1.35 in 0.09 in 0.00 in 2.24 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 40 mph 8 mph 0 mph
Gust Wind 51 mph 25 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.08 in 29.37 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Feb. 06, 2012 Rise Set
Actual Time 7:11 AM EST 5:36 PM EST
Civil Twilight 6:44 AM EST 6:04 PM EST
Nautical Twilight 6:12 AM EST 6:35 PM EST
Astronomical Twilight 5:41 AM EST 7:07 PM EST
Moon 4:38 PM EST (2/6) 6:02 AM EST (2/6)
Length of Visible Light 11h 20m
Length of Day
10h 24m
Waxing Gibbous, 98% of the Moon is Illuminated
Feb 6
Waxing Gibbous
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Feb high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 69 60 50 46 39 31 66 50 34 30.06 30.03 29.98 10 10 10 17 9 22 T  
2 57 49 41 48 40 26 93 69 44 30.35 30.09 29.98 10 8 2 24 7 35 0.09 Rain
3 50 40 29 29 27 25 85 64 42 30.53 30.43 30.36 10 10 10 15 5 21 0.00  
4 44 35 26 34 31 24 100 77 53 30.36 30.22 30.13 10 7 2 14 4 16 0.09 Rain
5 43 35 26 34 30 25 92 75 57 30.25 30.17 30.10 10 8 3 13 5 16 0.01  
6 52 37 22 31 26 21 96 67 38 30.27 30.17 30.07 10 9 5 14 4 17 0.00  
7 56 45 34 30 28 26 82 57 32 30.25 30.15 30.09 10 10 10 22 7 28 0.00  
8 41 35 29 34 30 25 96 78 59 30.27 30.19 30.13 10 6 0 8 3 10 0.10 Rain , Snow
9 46 38 29 30 23 18 96 65 33 30.28 30.21 30.16 10 9 3 18 6 23 0.00  
10 45 37 29 34 26 21 76 60 43 30.19 30.07 29.92 10 10 5 10 4 29 0.03 Rain
11 42 32 21 34 27 9 96 71 46 29.92 29.80 29.66 10 4 0 36 14 49 0.17 Rain , Snow
12 31 26 20 14 9 7 77 58 39 30.15 30.07 29.92 10 10 2 31 19 43 T Snow
13 49 33 17 22 13 9 74 49 23 30.19 30.14 30.09 10 10 10 21 5 31 0.00  
14 53 42 31 33 26 21 72 54 35 30.09 30.02 29.94 10 10 10 21 4 26 T Rain
15 53 44 34 32 30 28 76 57 38 30.30 30.21 30.02 10 10 10 23 7 28 0.00  
16 45 40 34 42 38 30 96 82 67 30.29 30.14 30.02 10 8 3 12 4 15 0.20 Rain
17 53 43 32 41 33 25 100 68 35 30.12 30.06 29.99 10 7 0 24 9 30 0.00 Fog
18 59 43 26 33 27 21 85 60 35 30.13 30.04 29.89 10 10 10 23 8 29 0.00  
19 43 39 35 32 23 19 89 66 43 30.12 30.02 29.91 10 10 9 18 8 23 0.00  
20 48 37 26 23 20 17 82 57 31 30.36 30.21 29.99 10 10 10 18 8 25 0.00  
21 50 36 22 33 26 18 88 65 42 30.35 30.12 29.86 10 10 9 23 9 30 0.00  
22 62 49 35 37 33 26 92 60 27 29.87 29.70 29.48 10 10 10 23 9 31 0.00  
23 66 55 43 43 38 33 92 62 31 29.64 29.58 29.46 10 10 10 17 8 23 T  
24 58 50 42 55 42 25 89 62 35 29.68 29.50 29.37 10 8 2 40 9 51 0.20 Rain
25 45 39 33 26 18 12 59 45 30 30.27 29.94 29.70 10 10 4 35 20 46 T Snow
26 48 38 28 24 18 15 59 45 31 30.49 30.42 30.31 10 10 10 22 7 28 0.00  
27 64 46 27 34 27 21 78 51 24 30.41 30.29 30.14 10 10 10 22 8 30 0.00  
28 54 46 37 29 21 18 65 45 24 30.49 30.40 30.30 10 10 10 22 6 31 0.00  
29 56 45 34 55 43 25 100 75 49 30.30 29.93 29.67 10 6 1 25 7 33 1.35 Rain