Weather History for Dulles Airport, VA

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Month of November, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 70 °F 53 °F 41 °F
Mean Temperature 59 °F 43 °F 34 °F
Min Temperature 47 °F 32 °F 23 °F
Degree Days  
Heating Degree Days (base 65) 31 22 6 666
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 0 0 10
Dew Point  
Dew Point 57 °F 30 °F 8 °F
Precipitation  
Precipitation 0.87 in 0.04 in 0.00 in 1.12 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 31 mph 6 mph 0 mph
Gust Wind 45 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.63 in 30.20 in 29.66 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Nov. 30, 2012 Rise Set
Actual Time 7:08 AM EST 4:48 PM EST
Civil Twilight 6:39 AM EST 5:17 PM EST
Nautical Twilight 6:06 AM EST 5:50 PM EST
Astronomical Twilight 5:34 AM EST 6:22 PM EST
Moon 6:41 PM EST (11/30) 8:39 AM EST (11/30)
Length of Visible Light 10h 38m
Length of Day
9h 39m
Waning Gibbous, 96% of the Moon is Illuminated
Nov 30
Waning Gibbous
Dec 6
Last Quarter
Dec 13
New
Dec 20
First Quarter
Dec 28
Full

Weather History Calendar

Precipitation Actual month total 1.12 Normal Month Total: 3.41
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
51 | 38 T
Average:
63 | 39 0.12
Partly Cloudy
Actual:
52 | 35 0.00
Average:
63 | 39 0.12
Overcast
Actual:
48 | 38 0.00
Average:
62 | 39 0.12
Partly Cloudy
Actual:
51 | 33 0.00
Average:
62 | 38 0.12
Partly Cloudy
Actual:
49 | 30 0.00
Average:
62 | 38 0.12
Partly Cloudy
Actual:
47 | 27 0.00
Average:
61 | 38 0.11
Overcast
Actual:
43 | 37 0.00
Average:
61 | 38 0.11
Scattered Clouds
Actual:
55 | 39 0.00
Average:
61 | 37 0.11
Clear
Actual:
57 | 35 0.00
Average:
60 | 37 0.11
Partly Cloudy
Actual:
66 | 31 0.00
Average:
60 | 37 0.11
Scattered Clouds
Actual:
70 | 34 0.00
Average:
60 | 37 0.10
Rain
Actual:
70 | 47 0.19
Average:
59 | 36 0.10
Rain
Actual:
52 | 35 0.87
Average:
59 | 36 0.10
Scattered Clouds
Actual:
46 | 30 0.00
Average:
58 | 36 0.11
Mostly Cloudy
Actual:
48 | 31 0.00
Average:
58 | 36 0.12
Partly Cloudy
Actual:
53 | 34 0.00
Average:
57 | 35 0.12
Scattered Clouds
Actual:
55 | 30 0.00
Average:
57 | 35 0.11
Partly Cloudy
Actual:
53 | 33 0.00
Average:
57 | 35 0.12
Mostly Cloudy
Actual:
53 | 35 0.00
Average:
56 | 35 0.12
Partly Cloudy
Actual:
54 | 35 0.00
Average:
56 | 34 0.11
Fog
Actual:
56 | 30 0.00
Average:
55 | 34 0.12
Clear
Actual:
59 | 28 0.00
Average:
55 | 34 0.11
Partly Cloudy
Actual:
62 | 27 0.00
Average:
54 | 33 0.12
Partly Cloudy
Actual:
46 | 33 0.00
Average:
54 | 33 0.11
Partly Cloudy
Actual:
41 | 26 0.00
Average:
54 | 33 0.11
Scattered Clouds
Actual:
55 | 24 0.00
Average:
53 | 32 0.12
Rain
Actual:
42 | 36 0.06
Average:
53 | 32 0.11
Partly Cloudy
Actual:
48 | 29 0.00
Average:
52 | 32 0.11
Scattered Clouds
Actual:
49 | 23 0.00
Average:
52 | 32 0.12
Partly Cloudy
Actual:
54 | 23 0.00
Average:
51 | 31 0.12
 

Calendar Legend

Sunny
Clear
Mostly Cloudy
Partly Sunny
Partly Cloudy
Mostly Sunny
Cloudy Rain Snow
Hail
Flurries
Thunderstorms Hazy
Fog
Sleet '?' denotes
'chance of'
Unknown

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Nov high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 51 45 38 38 35 32 85 70 54 29.76 29.70 29.66 10 10 10 16 5 21 T  
2 52 44 35 33 31 28 92 69 46 29.94 29.82 29.75 10 10 10 26 11 35 0.00  
3 48 43 38 31 29 27 70 60 49 30.09 30.03 29.95 10 10 10 23 11 31 0.00  
4 51 42 33 32 29 27 89 65 41 30.11 30.07 30.02 10 10 10 14 7 22 0.00  
5 49 40 30 30 26 24 75 57 39 30.20 30.11 30.06 10 10 9 17 9 28 0.00  
6 47 37 27 29 26 23 85 63 41 30.23 30.14 30.03 10 10 10 10 4 13 0.00  
7 43 40 37 28 26 22 64 57 49 30.00 29.94 29.91 10 10 10 16 10 20 0.00  
8 55 47 39 29 17 8 57 37 16 30.08 29.98 29.92 10 10 10 25 14 33 0.00  
9 57 46 35 35 32 29 85 62 38 30.24 30.18 30.10 10 10 10 22 6 30 0.00  
10 66 49 31 38 35 31 92 62 31 30.37 30.31 30.23 10 9 7 7 1 8 0.00  
11 70 52 34 43 38 32 96 65 33 30.47 30.41 30.36 10 10 7 12 4 17 0.00  
12 70 59 47 57 51 42 89 73 57 30.41 30.28 30.14 10 10 2 28 8 33 0.19 Rain
13 52 44 35 52 36 24 93 69 45 30.51 30.35 30.21 10 8 2 21 11 25 0.87 Rain
14 46 38 30 27 26 24 85 65 45 30.57 30.51 30.45 10 10 10 16 6 21 0.00  
15 48 40 31 33 31 27 82 70 58 30.44 30.37 30.32 10 10 7 8 4 10 0.00  
16 53 44 34 32 31 28 82 62 41 30.46 30.36 30.31 10 10 7 13 6 16 0.00  
17 55 43 30 30 27 22 85 58 30 30.61 30.56 30.47 10 10 10 12 5 28 0.00  
18 53 43 33 38 34 29 89 73 56 30.63 30.57 30.51 10 10 9 13 6 16 0.00  
19 53 44 35 38 37 34 85 72 59 30.49 30.38 30.25 10 10 9 13 7 18 0.00  
20 54 45 35 42 37 32 93 80 66 30.22 30.17 30.10 10 9 6 12 3 26 0.00  
21 56 43 30 38 33 27 100 69 38 30.24 30.20 30.14 10 8 3 10 4 16 0.00 Fog
22 59 44 28 33 30 27 92 63 33 30.29 30.22 30.15 10 9 6 7 2 14 0.00  
23 62 45 27 38 30 25 92 64 36 30.14 29.94 29.79 10 10 9 31 6 45 0.00  
24 46 40 33 24 19 15 52 45 38 30.06 29.97 29.87 10 10 10 31 17 40 0.00  
25 41 34 26 21 19 16 75 58 41 30.09 30.02 29.96 10 10 10 23 5 26 0.00  
26 55 40 24 32 26 20 92 62 32 30.22 30.14 30.01 10 10 10 6 1 10 0.00  
27 42 39 36 37 35 33 92 83 73 30.27 30.21 30.17 10 7 2 14 6 18 0.06 Rain
28 48 39 29 33 25 19 85 60 34 30.38 30.30 30.26 10 10 7 20 6 24 0.00  
29 49 36 23 27 22 20 88 61 34 30.47 30.39 30.34 10 10 10 13 3 16 0.00  
30 54 39 23 31 26 21 89 62 35 30.38 30.35 30.31 10 10 9 7 1 25 0.00