Weather History for Leesburg, VA

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 83 °F 71 °F
Mean Temperature 80 °F 73 °F 65 °F
Min Temperature 73 °F 64 °F 51 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 15 8 0 262
Growing Degree Days (base 50) 30 23 15 724
Dew Point  
Dew Point 81 °F 66 °F 45 °F
Precipitation  
Precipitation 0.29 in 0.04 in 0.00 in 1.34 in
Snowdepth - - - -
Wind  
Wind 20 mph 4 mph 0 mph
Gust Wind 30 mph 18 mph 10 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 30.06 in 29.76 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 11, 2013 Rise Set
Actual Time 6:20 AM EDT 8:10 PM EDT
Civil Twilight 5:51 AM EDT 8:38 PM EDT
Nautical Twilight 5:16 AM EDT 9:13 PM EDT
Astronomical Twilight 4:38 AM EDT 9:51 PM EDT
Moon 11:03 AM EDT (8/11) 10:27 PM EDT (8/11)
Length of Visible Light 14h 47m
Length of Day
13h 50m
Waxing Crescent, 22% of the Moon is Illuminated
Aug 11
Waxing Crescent
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter
Sep 5
New

Weather History Calendar

Precipitation Actual month total 1.34 Average Month Total: 0.64
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Thunderstorm
Actual:
86 | 68 0.04
Average:
- | - 0.02
Thunderstorm
Actual:
86 | 68 0.00
Average:
- | - 0.02
Rain
Actual:
73 | 66 0.15
Average:
- | - 0.02
Scattered Clouds
Actual:
80 | 62 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
80 | 57 0.00
Average:
- | - 0.02
Rain
Actual:
78 | 64 0.09
Average:
- | - 0.02
Thunderstorm
Actual:
86 | 69 0.00
Average:
- | - 0.02
Thunderstorm
Actual:
86 | 71 0.01
Average:
- | - 0.02
Thunderstorm
Actual:
87 | 73 0.13
Average:
- | - 0.01
Rain
Actual:
84 | 69 0.00
Average:
- | - 0.01
Partly Cloudy
Actual:
86 | 69 0.00
Average:
- | - 0.01
Rain
Actual:
87 | 69 0.00
Average:
- | - 0.01
Rain
Actual:
86 | 69 0.28
Average:
- | - 0.02
Scattered Clouds
Actual:
73 | 57 0.00
Average:
- | - 0.02
Clear
Actual:
77 | 53 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
80 | 51 0.00
Average:
- | - 0.02
Partly Cloudy
Actual:
80 | 53 0.00
Average:
- | - 0.02
Rain
Actual:
71 | 62 0.05
Average:
- | - 0.02
Thunderstorm
Actual:
77 | 59 0.00
Average:
- | - 0.02
Fog
Actual:
87 | 62 0.00
Average:
- | - 0.02
Thunderstorm
Actual:
89 | 68 0.01
Average:
- | - 0.02
Scattered Clouds
Actual:
87 | 68 0.00
Average:
- | - 0.02
Thunderstorm
Actual:
75 | 62 0.29
Average:
- | - 0.02
Clear
Actual:
82 | 60 0.01
Average:
- | - 0.02
Scattered Clouds
Actual:
84 | 57 0.00
Average:
- | - 0.02
Scattered Clouds
Actual:
87 | 59 0.00
Average:
- | - 0.03
Thunderstorm
Actual:
87 | 69 0.00
Average:
- | - 0.03
Rain
Actual:
77 | 71 0.28
Average:
- | - 0.03
Rain
Actual:
86 | 69 0.00
Average:
- | - 0.03
Fog
Actual:
87 | 66 0.00
Average:
- | - 0.03
Scattered Clouds
Actual:
91 | 69 0.00
Average:
- | - 0.03
 

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
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 86 77 68 73 71 68 100 90 62 30.03 29.91 29.84 10 8 1 12 5 16 0.04 Rain , Thunderstorm
2 86 77 68 70 67 64 100 76 48 30.00 29.95 29.89 10 10 10 9 4 - 0.00 Thunderstorm
3 73 70 66 72 68 64 100 94 83 30.00 29.97 29.95 10 9 4 9 3 - 0.15 Rain
4 80 71 62 66 61 54 100 72 39 30.06 29.99 29.95 10 9 2 17 6 26 0.00  
5 80 68 57 64 58 54 94 69 39 30.13 30.08 30.04 10 10 10 9 3 - 0.00  
6 78 71 64 70 67 63 100 89 69 30.09 30.06 30.03 10 9 4 10 3 16 0.09 Rain
7 86 78 69 75 72 70 100 88 62 30.08 30.05 30.01 10 8 2 13 6 17 0.00 Rain , Thunderstorm
8 86 78 71 79 75 72 100 90 66 30.05 30.02 29.99 10 10 7 14 4 20 0.01 Rain , Thunderstorm
9 87 80 73 81 75 72 100 86 66 29.99 29.94 29.90 10 9 5 12 6 16 0.13 Rain , Thunderstorm
10 84 76 69 73 68 57 100 77 45 30.11 30.05 29.98 10 10 7 9 3 - 0.00 Rain
11 86 78 69 72 69 63 100 77 45 30.14 30.09 30.03 10 10 10 12 3 16 0.00  
12 87 78 69 73 71 68 100 77 52 30.04 30.00 29.94 10 8 0 10 3 - 0.00 Fog , Rain
13 86 78 69 73 71 63 100 86 58 29.93 29.82 29.76 10 8 2 14 3 20 0.28 Rain
14 73 65 57 63 53 50 94 63 47 30.13 30.01 29.86 10 10 10 20 11 30 0.00  
15 77 65 53 57 53 45 100 66 34 30.22 30.16 30.12 10 10 10 9 3 - 0.00  
16 80 66 51 61 55 52 100 71 39 30.22 30.18 30.15 10 10 5 8 1 - 0.00  
17 80 66 53 61 58 54 100 73 47 30.29 30.25 30.23 10 10 10 9 3 18 0.00  
18 71 66 62 66 64 61 100 89 69 30.27 30.23 30.21 10 10 10 12 4 - 0.05 Rain
19 77 68 59 70 65 59 100 92 74 30.21 30.15 30.09 10 9 3 8 2 - 0.00 Rain , Thunderstorm
20 87 74 62 72 67 63 100 80 48 30.19 30.15 30.11 10 9 0 8 2 - 0.00 Fog
21 89 78 68 75 71 68 100 84 52 30.23 30.16 30.09 10 9 3 9 2 18 0.01 Rain , Thunderstorm
22 87 78 68 72 70 66 100 78 52 30.12 30.04 29.96 10 10 10 14 5 21 0.00  
23 75 68 62 70 68 63 100 90 78 30.15 30.05 29.97 10 9 3 10 4 17 0.29 Rain , Thunderstorm
24 82 71 60 63 61 57 100 76 45 30.36 30.27 30.14 10 9 3 10 3 21 0.01  
25 84 70 57 68 61 55 100 75 39 30.44 30.36 30.29 10 10 10 9 2 - 0.00  
26 87 73 59 68 64 59 100 74 43 30.31 30.18 30.04 10 10 10 12 4 16 0.00  
27 87 78 69 77 70 64 94 74 58 30.03 29.96 29.91 10 9 5 15 4 20 0.00 Rain , Thunderstorm
28 77 74 71 75 73 70 100 95 78 29.95 29.90 29.84 10 7 2 9 2 - 0.28 Rain
29 86 78 69 73 71 68 100 87 58 30.05 29.98 29.87 10 7 2 9 5 - 0.00 Rain
30 87 76 66 73 71 66 100 83 58 30.06 29.99 29.91 10 8 0 12 4 - 0.00 Fog
31 91 80 69 75 72 70 100 80 52 29.92 29.87 29.82 10 10 7 9 5 - 0.00