Dulles Airport, VA

3:31 PM EST on December 17, 2017 (GMT -0500)
Washington Dulles International

Weather History for KIAD - March, 2012

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Month of March, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 84 °F 66 °F 44 °F
Mean Temperature 69 °F 55 °F 35 °F
Min Temperature 59 °F 43 °F 21 °F
Degree Days  
Heating Degree Days (base 65) 30 11 0 333
Cooling Degree Days (base 65) 4 0 0 10
Growing Degree Days (base 50) 18 7 0 208
Dew Point  
Dew Point 62 °F 40 °F 8 °F
Precipitation  
Precipitation 0.81 in 0.06 in 0.00 in 1.44 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 43 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.68 in 30.10 in 29.55 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Mar. 23, 2012 Rise Set
Actual Time 7:07 AM EDT 7:25 PM EDT
Civil Twilight 6:41 AM EDT 7:51 PM EDT
Nautical Twilight 6:09 AM EDT 8:23 PM EDT
Astronomical Twilight 5:38 AM EDT 8:55 PM EDT
Moon 7:16 AM EDT (3/23) 8:44 PM EDT (3/23)
Length of Visible Light 13h 10m
Length of Day
12h 17m
New Moon, 1% of the Moon is Illuminated
Mar 23
New Moon
Mar 30
First Quarter
Apr 6
Full
Apr 13
Last Quarter
Apr 21
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Mar high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 67 55 42 55 41 29 100 67 34 29.99 29.73 29.62 10 9 4 21 10 26 T Fog
2 52 41 30 45 38 29 93 71 48 30.06 29.90 29.71 10 8 1 16 5 21 0.81 Rain , Thunderstorm
3 60 51 42 46 35 19 100 62 23 29.73 29.63 29.55 10 8 1 20 7 25 0.07 Rain
4 47 40 32 27 22 17 59 46 33 29.92 29.77 29.71 10 10 10 25 10 32 0.00  
5 44 35 26 30 22 15 75 58 40 30.48 30.13 29.93 10 9 2 24 8 31 T Snow
6 49 35 21 26 20 16 84 58 31 30.68 30.59 30.50 10 10 7 18 5 24 0.00  
7 68 52 35 42 32 23 64 49 34 30.55 30.46 30.34 10 10 10 26 11 32 0.00  
8 72 63 53 50 47 43 83 61 38 30.34 30.15 29.96 10 10 10 30 19 43 0.00  
9 65 52 39 52 25 17 59 42 24 30.38 30.17 29.99 10 10 9 29 15 37 T Rain
10 47 39 31 21 15 12 63 44 25 30.58 30.51 30.39 10 10 10 18 7 25 0.00  
11 65 48 31 29 26 22 72 48 24 30.56 30.47 30.38 10 10 10 17 8 22 0.00  
12 71 54 37 49 34 27 58 42 26 30.38 30.25 30.12 10 10 10 17 7 24 0.00  
13 80 68 55 54 50 45 80 55 30 30.10 30.05 29.97 10 10 10 20 9 25 0.01  
14 80 63 46 48 44 40 86 57 28 30.21 30.14 30.06 10 10 10 15 5 20 0.00  
15 84 66 47 53 47 42 80 52 24 30.20 30.15 30.09 10 10 10 23 5 28 0.00  
16 62 56 50 56 50 48 100 85 69 30.19 30.17 30.14 10 5 2 9 3 12 0.02 Rain
17 75 60 45 56 51 45 100 75 49 30.30 30.24 30.19 10 5 0 13 4 17 0.00 Fog
18 68 60 51 54 52 50 96 78 59 30.37 30.30 30.21 10 8 2 12 5 15 0.00  
19 76 65 54 58 55 52 100 77 53 30.20 30.17 30.12 10 10 8 12 5 17 0.01  
20 74 65 55 61 59 55 100 79 57 30.27 30.22 30.18 10 10 10 12 4 15 0.00  
21 67 61 54 59 57 54 100 87 73 30.34 30.29 30.25 10 5 0 8 2 9 T Fog
22 80 67 54 61 59 55 100 74 48 30.27 30.20 30.09 10 6 0 10 3 14 0.00 Fog
23 83 69 54 62 56 52 100 70 39 30.10 30.04 29.95 10 7 2 12 4 15 0.00  
24 66 63 59 60 57 54 97 88 78 29.95 29.89 29.86 10 5 1 14 7 17 0.31 Rain
25 63 57 50 54 51 48 100 84 67 29.85 29.80 29.76 10 7 1 15 8 17 0.18 Rain
26 60 50 40 52 30 12 83 53 23 30.22 29.95 29.79 10 10 10 30 17 40 0.00  
27 56 43 30 27 14 8 49 34 19 30.38 30.30 30.20 10 10 10 16 6 21 0.00  
28 73 57 40 57 42 24 73 54 35 30.18 29.85 29.68 10 10 7 21 11 25 0.03 Rain , Thunderstorm
29 67 57 46 40 36 32 56 44 31 30.04 29.88 29.72 10 10 10 21 11 29 0.00  
30 55 45 35 41 35 31 89 71 53 30.13 30.02 29.84 10 10 10 12 3 14 T Rain
31 66 55 43 49 45 40 93 75 56 29.90 29.82 29.75 10 10 9 21 8 24 0.00