Weather History for Fort Belvoir, VA

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Month of April, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 69 °F 52 °F
Mean Temperature 74 °F 56 °F 38 °F
Min Temperature 60 °F 44 °F 24 °F
Degree Days  
Heating Degree Days (base 65) 27 10 0 293
Cooling Degree Days (base 65) 9 1 0 29
Growing Degree Days (base 50) 24 8 0 238
Dew Point  
Dew Point 68 °F 41 °F 8 °F
Precipitation  
Precipitation 1.18 in 0.08 in 0.00 in 2.44 in
Snowdepth - - - -
Wind  
Wind 30 mph 4 mph 0 mph
Gust Wind 39 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 30.13 in 29.57 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Apr. 14, 2013 Rise Set
Actual Time 6:33 AM EDT 7:44 PM EDT
Civil Twilight 6:06 AM EDT 8:12 PM EDT
Nautical Twilight 5:33 AM EDT 8:45 PM EDT
Astronomical Twilight 4:59 AM EDT 9:19 PM EDT
Moon 9:10 AM EDT (4/14) 11:54 PM EDT (4/14)
Length of Visible Light 14h 06m
Length of Day
13h 11m
Waxing Crescent, 17% of the Moon is Illuminated
Apr 14
Waxing Crescent
Apr 18
First Quarter
Apr 25
Full
May 2
Last Quarter
May 9
New

Weather History Calendar

Precipitation Actual month total 2.44 Average Month Total: 2.29
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
67 | 33 0.00
Average:
62 | 39 0.08
Clear
Actual:
52 | 28 0.00
Average:
62 | 40 0.08
Clear
Actual:
53 | 26 0.00
Average:
62 | 40 0.08
Rain
Actual:
52 | 24 0.00
Average:
62 | 40 0.08
Rain
Actual:
66 | 39 0.00
Average:
62 | 40 0.08
Clear
Actual:
57 | 39 0.00
Average:
62 | 40 0.09
Scattered Clouds
Actual:
70 | 38 0.00
Average:
63 | 41 0.09
Rain
Actual:
81 | 46 0.00
Average:
63 | 41 0.08
Scattered Clouds
Actual:
86 | 56 0.00
Average:
63 | 41 0.08
Scattered Clouds
Actual:
91 | 57 0.00
Average:
64 | 42 0.08
Clear
Actual:
88 | 56 0.00
Average:
64 | 42 0.08
Thunderstorm
Actual:
78 | 53 0.84
Average:
65 | 42 0.08
Scattered Clouds
Actual:
72 | 41 0.00
Average:
65 | 43 0.08
Clear
Actual:
68 | 39 0.00
Average:
65 | 43 0.08
Rain
Actual:
63 | 54 0.00
Average:
66 | 43 0.08
Partly Cloudy
Actual:
76 | 56 0.00
Average:
66 | 43 0.08
Rain
Actual:
80 | 56 0.01
Average:
66 | 44 0.08
Rain
Actual:
79 | 60 0.03
Average:
67 | 44 0.07
Thunderstorm
Actual:
79 | 51 1.18
Average:
67 | 44 0.07
Rain
Actual:
62 | 47 0.05
Average:
67 | 44 0.07
Clear
Actual:
55 | 37 0.00
Average:
68 | 44 0.07
Partly Cloudy
Actual:
56 | 33 0.00
Average:
68 | 44 0.07
Partly Cloudy
Actual:
61 | 44 0.00
Average:
68 | 44 0.07
Scattered Clouds
Actual:
78 | 39 0.00
Average:
69 | 44 0.07
Rain
Actual:
66 | 45 0.01
Average:
69 | 44 0.07
Scattered Clouds
Actual:
68 | 40 0.00
Average:
70 | 45 0.07
Clear
Actual:
71 | 41 0.00
Average:
70 | 45 0.07
Rain
Actual:
66 | 41 0.01
Average:
71 | 46 0.07
Rain
Actual:
60 | 53 0.25
Average:
71 | 46 0.07
Rain
Actual:
60 | 55 0.06
Average:
72 | 47 0.07
 

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

2013 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 67 50 33 52 39 24 100 92 35 30.01 29.80 29.74 10 2 0 23 1 37 0.00 Fog , Rain
2 52 40 28 18 13 8 62 31 19 30.19 30.10 30.04 10 10 10 16 8 29 0.00  
3 53 39 26 21 14 9 74 36 17 30.42 30.28 30.20 10 10 10 20 7 31 0.00  
4 52 38 24 32 17 12 77 46 21 30.44 30.35 30.15 10 9 5 10 3 - 0.00 Rain
5 66 52 39 38 28 19 87 44 22 30.05 29.93 29.83 10 9 2 22 8 26 0.00 Rain
6 57 48 39 33 21 15 64 36 22 30.35 30.26 30.09 10 10 10 12 7 20 0.00  
7 70 54 38 41 35 30 79 50 29 30.31 30.16 30.01 10 10 10 13 7 23 0.00  
8 81 63 46 50 44 41 79 47 27 30.09 30.05 29.99 10 10 10 9 3 - 0.00 Rain
9 86 71 56 53 51 50 79 42 29 30.08 30.00 29.95 10 10 10 13 5 21 0.00  
10 91 74 57 56 53 51 80 46 27 29.99 29.91 29.80 10 10 9 10 3 17 0.00  
11 88 74 56 58 55 52 84 55 30 29.88 29.83 29.74 10 10 10 10 4 20 0.00  
12 78 66 53 68 58 51 100 92 63 29.82 29.69 29.57 10 6 0 18 4 28 0.84 Fog , Rain , Thunderstorm
13 72 56 41 50 41 34 90 59 26 29.97 29.89 29.79 10 10 6 12 6 24 0.00  
14 68 54 39 44 38 34 94 53 30 30.16 30.10 29.98 10 8 2 13 3 18 0.00  
15 63 58 54 50 47 42 76 65 58 30.30 30.24 30.15 10 10 10 8 2 - 0.00 Rain
16 76 66 56 59 54 48 83 72 51 30.33 30.25 30.15 10 10 8 13 5 18 0.00  
17 80 68 56 61 58 55 100 92 48 30.25 30.16 30.14 10 4 0 7 1 - 0.01 Fog , Rain
18 79 70 60 64 59 55 94 81 53 30.23 30.18 30.02 10 10 2 14 5 20 0.03 Rain
19 79 65 51 66 60 49 94 86 58 30.01 29.79 29.60 10 6 0 25 8 37 1.18 Fog , Rain , Thunderstorm
20 62 54 47 48 34 24 91 52 26 30.35 30.02 29.80 10 10 5 17 7 24 0.05 Rain
21 55 46 37 32 25 20 78 44 27 30.61 30.54 30.38 10 10 10 9 2 - 0.00  
22 56 44 33 36 35 32 96 65 47 30.59 30.52 30.42 10 10 10 8 3 - 0.00  
23 61 53 44 44 41 37 94 70 52 30.40 30.28 30.15 10 10 10 8 3 - 0.00  
24 78 58 39 55 46 39 100 75 38 30.14 30.03 29.82 10 10 8 30 3 39 0.00  
25 66 55 45 48 35 24 80 49 21 30.33 30.19 29.99 10 10 9 23 13 39 0.01 Rain
26 68 54 40 41 36 31 95 56 26 30.47 30.40 30.33 10 10 10 10 2 - 0.00  
27 71 56 41 46 40 33 95 60 28 30.43 30.37 30.30 10 10 10 8 1 - 0.00  
28 66 54 41 52 44 37 95 68 34 30.31 30.25 30.17 10 10 8 12 3 17 0.01 Rain
29 60 56 53 59 55 46 100 92 67 30.19 30.11 30.06 10 8 2 13 5 18 0.25 Rain
30 60 57 55 57 55 49 100 94 77 30.30 30.19 30.10 10 6 2 6 1 - 0.06 Rain