Dulles Airport, VA

2:59 AM EDT on August 21, 2017 (GMT -0400)
Washington Dulles International

Weather History for KIAD - April, 2014

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Month of April, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 83 °F 64 °F 45 °F
Mean Temperature 70 °F 52 °F 39 °F
Min Temperature 63 °F 40 °F 28 °F
Degree Days  
Heating Degree Days (base 65) 26 13 0 388
Cooling Degree Days (base 65) 5 0 0 11
Growing Degree Days (base 50) 19 4 0 109
Dew Point  
Dew Point 63 °F 37 °F 11 °F
Precipitation  
Precipitation 3.99 in 0.29 in 0.00 in 7.41 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 29 mph 8 mph 0 mph
Gust Wind 41 mph 23 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.65 in 30.04 in 29.47 in

Monthly Weather History Graph

Monthly Weather History Graph

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Astronomy

Apr. 19, 2014 Rise Set
Actual Time 6:27 AM EDT 7:50 PM EDT
Civil Twilight 5:59 AM EDT 8:18 PM EDT
Nautical Twilight 5:26 AM EDT 8:52 PM EDT
Astronomical Twilight 4:51 AM EDT 9:27 PM EDT
Moon No Moon Rise 9:45 AM EDT (4/19)
Length of Visible Light 14h 18m
Length of Day
13h 23m
Waning Gibbous, 79% of the Moon is Illuminated
Apr 19
Waning Gibbous
Apr 22
Last Quarter
Apr 29
New
May 6
First Quarter
May 14
Full

Daily Weather History & Observations

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Apr high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 66 49 32 39 32 27 82 56 29 30.18 30.08 29.96 10 10 10 14 4 20 0.00  
2 69 53 37 45 41 37 92 65 37 30.12 30.06 30.00 10 10 10 10 3 13 0.00  
3 65 57 49 49 44 39 93 70 47 30.12 30.04 29.94 10 10 10 13 4 16 0.01  
4 58 53 48 48 43 35 83 67 50 29.95 29.83 29.69 10 10 8 15 7 20 T Rain
5 56 49 41 47 31 24 100 66 32 30.17 29.96 29.75 10 9 5 23 12 32 0.00  
6 60 44 28 27 21 15 78 49 19 30.27 30.21 30.14 10 10 10 13 4 17 0.00  
7 45 43 40 45 38 23 100 71 41 30.16 29.93 29.64 10 5 0 17 6 26 0.40 Rain
8 62 52 42 52 44 35 100 71 42 29.70 29.58 29.47 10 5 0 28 9 37 T  
9 65 50 35 35 31 22 92 57 22 30.07 29.84 29.70 10 10 10 25 7 32 0.00  
10 70 51 31 33 30 29 85 54 22 30.22 30.11 30.02 10 10 10 23 10 31 0.00  
11 80 68 56 55 41 33 100 61 21 30.06 30.00 29.90 10 10 7 25 11 36 0.04 Rain
12 74 59 44 54 43 28 100 60 19 30.28 30.15 30.05 10 7 0 15 5 22 0.00 Fog
13 83 68 52 53 51 49 89 60 31 30.14 30.06 29.97 10 10 10 23 11 31 0.00  
14 76 70 63 56 52 49 68 56 43 29.98 29.91 29.79 10 10 10 28 15 39 T  
15 67 50 33 63 49 20 100 76 52 30.06 29.72 29.53 10 6 0 28 15 41 1.23 Fog , Rain
16 48 39 30 22 16 11 58 43 28 30.54 30.38 30.11 10 10 10 25 11 35 0.00  
17 54 41 28 31 28 24 85 63 41 30.65 30.59 30.54 10 10 10 16 6 20 0.00  
18 56 43 30 37 32 28 92 67 41 30.56 30.44 30.27 10 10 10 10 3 15 0.00  
19 67 53 38 38 33 24 92 59 25 30.32 30.27 30.23 10 10 10 16 5 20 0.00  
20 62 52 41 37 32 28 67 51 34 30.43 30.35 30.31 10 10 10 15 6 20 0.00  
21 70 51 31 41 29 19 92 55 17 30.29 30.10 29.89 10 10 10 10 2 20 0.00  
22 71 59 46 56 47 38 80 61 42 29.87 29.70 29.60 10 10 7 24 6 32 0.04 Rain
23 58 51 44 40 33 28 65 53 40 30.01 29.83 29.69 10 10 10 29 17 39 0.00  
24 63 50 36 35 23 18 65 42 19 30.14 30.06 30.01 10 10 10 17 7 22 0.00  
25 69 54 38 54 43 30 96 65 34 30.02 29.85 29.73 10 8 2 28 7 32 0.34 Rain
26 73 58 42 48 43 38 100 67 34 29.90 29.82 29.75 10 10 4 29 9 37 T Fog , Rain
27 65 54 43 38 33 29 62 45 28 30.10 30.04 29.95 10 10 10 16 7 21 0.00  
28 61 52 42 49 42 35 93 70 47 30.12 30.07 30.00 10 8 2 13 6 16 0.17 Rain
29 49 47 45 47 46 44 100 97 93 30.21 30.14 30.06 9 4 1 18 8 24 1.19 Rain
30 58 53 48 57 51 46 100 97 93 30.17 30.01 29.84 10 3 0 14 7 16 3.99 Fog , Rain , Thunderstorm