Weather History for Manassas, VA

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Month of August, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 82 °F 71 °F
Mean Temperature 79 °F 72 °F 64 °F
Min Temperature 75 °F 63 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 2
Cooling Degree Days (base 65) 14 7 0 226
Growing Degree Days (base 50) 29 22 14 688
Dew Point  
Dew Point 77 °F 66 °F 46 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 20 mph 3 mph 0 mph
Gust Wind 29 mph 19 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.41 in 30.05 in 29.75 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Aug. 21, 2013 Rise Set
Actual Time 6:29 AM EDT 7:56 PM EDT
Civil Twilight 6:01 AM EDT 8:23 PM EDT
Nautical Twilight 5:28 AM EDT 8:57 PM EDT
Astronomical Twilight 4:52 AM EDT 9:32 PM EDT
Moon 8:04 PM EDT (8/21) 7:06 AM EDT (8/21)
Length of Visible Light 14h 22m
Length of Day
13h 26m
Full, 100% of the Moon is Illuminated
Aug 21
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 4.69
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
84 | 68 0.00
Average:
83 | 62 0.10
Scattered Clouds
Actual:
84 | 62 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
82 | 64 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
80 | 59 0.00
Average:
83 | 62 0.09
Scattered Clouds
Actual:
80 | 55 0.00
Average:
83 | 62 0.09
Overcast
Actual:
73 | 66 0.00
Average:
83 | 62 0.09
Mostly Cloudy
Actual:
84 | 69 0.00
Average:
83 | 62 0.09
Scattered Clouds
Actual:
82 | 73 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
82 | 75 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
84 | 69 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
82 | 68 0.00
Average:
83 | 62 0.09
Fog
Actual:
89 | 69 0.00
Average:
83 | 62 0.09
Partly Cloudy
Actual:
86 | 71 0.00
Average:
83 | 62 0.09
Scattered Clouds
Actual:
75 | 53 0.00
Average:
83 | 62 0.78
Scattered Clouds
Actual:
77 | 50 0.00
Average:
83 | 62 0.08
Fog
Actual:
78 | 51 0.00
Average:
83 | 62 0.08
Partly Cloudy
Actual:
80 | 53 0.00
Average:
83 | 62 0.08
Rain
Actual:
71 | 62 0.00
Average:
83 | 62 0.08
Fog
Actual:
73 | 60 0.00
Average:
83 | 62 0.08
Fog
Actual:
84 | 64 0.00
Average:
83 | 62 0.08
Thunderstorm
Actual:
87 | 48 0.00
Average:
83 | 62 0.08
Scattered Clouds
Actual:
89 | 69 0.00
Average:
82 | 62 0.83
Rain
Actual:
75 | 60 0.00
Average:
82 | 62 0.08
Scattered Clouds
Actual:
82 | 53 0.00
Average:
82 | 62 0.09
Scattered Clouds
Actual:
80 | 57 0.00
Average:
82 | 62 0.09
Clear
Actual:
87 | 57 0.00
Average:
82 | 61 0.09
Scattered Clouds
Actual:
89 | 66 0.00
Average:
81 | 61 0.09
Rain
Actual:
77 | 71 0.00
Average:
81 | 61 0.10
Partly Cloudy
Actual:
84 | 69 0.00
Average:
81 | 61 0.60
Scattered Clouds
Actual:
86 | 66 0.00
Average:
80 | 60 0.10
Scattered Clouds
Actual:
89 | 68 0.00
Average:
80 | 60 0.10
 

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 84 76 68 73 70 68 100 95 62 30.03 29.92 29.83 10 8 2 7 4 - 0.00  
2 84 73 62 70 66 63 100 82 48 29.98 29.94 29.88 10 9 0 12 2 - 0.00  
3 82 73 64 70 67 63 100 84 51 29.98 29.96 29.94 10 9 5 10 2 - 0.00  
4 80 70 59 68 60 52 100 71 37 30.06 29.98 29.93 10 9 0 17 5 26 0.00  
5 80 68 55 64 57 52 100 69 37 30.13 30.07 30.03 10 10 6 9 2 - 0.00  
6 73 70 66 70 67 64 100 91 83 30.08 30.05 30.02 10 10 6 9 3 - 0.00  
7 84 76 69 73 71 70 100 89 66 30.08 30.06 30.01 10 10 7 13 6 17 0.00  
8 82 78 73 77 73 72 94 92 74 30.04 30.01 29.99 10 10 10 12 4 - 0.00  
9 82 76 75 75 74 73 100 94 79 29.98 29.95 29.93 10 10 7 9 4 - 0.00  
10 84 76 69 72 67 61 100 73 45 30.10 30.06 30.03 10 10 9 10 5 - 0.00  
11 82 75 68 73 69 64 100 83 54 30.13 30.08 30.02 10 10 5 10 2 - 0.00  
12 89 79 69 73 70 63 100 79 40 30.04 29.99 29.92 10 8 0 12 2 17 0.00 Fog
13 86 78 71 73 71 66 100 88 51 29.89 29.81 29.75 10 8 4 18 3 24 0.00  
14 75 65 53 68 54 48 100 68 38 30.13 29.98 29.84 10 10 10 20 10 29 0.00  
15 77 64 50 59 53 46 100 78 34 30.20 30.14 30.10 10 10 5 8 1 - 0.00  
16 78 64 51 61 56 50 100 76 41 30.22 30.17 30.10 10 10 5 20 2 - 0.00 Fog
17 80 66 53 63 58 52 100 72 42 30.27 30.24 30.21 10 10 8 10 3 17 0.00  
18 71 66 62 66 64 63 100 92 73 30.25 30.21 30.19 10 9 1 8 1 - 0.00 Rain
19 73 66 60 70 65 61 100 94 78 30.20 30.14 30.09 10 6 0 7 1 - 0.00 Fog
20 84 74 64 72 67 63 100 90 55 30.18 30.14 30.10 10 6 0 7 0 - 0.00 Fog
21 87 68 48 75 70 64 100 89 55 30.22 30.15 30.09 10 8 0 9 1 - 0.00 Fog , Thunderstorm
22 89 79 69 72 68 64 100 80 46 30.11 30.03 29.95 10 10 6 13 3 17 0.00  
23 75 68 60 70 66 59 100 92 69 30.14 30.03 29.95 10 9 0 13 2 - 0.00 Rain
24 82 68 53 64 58 54 100 84 37 30.34 30.23 30.14 10 6 0 8 1 - 0.00  
25 80 68 57 63 60 57 100 86 48 30.41 30.34 30.29 10 10 7 10 1 - 0.00  
26 87 72 57 68 62 55 100 83 40 30.31 30.17 30.04 10 10 10 10 3 - 0.00  
27 89 78 66 73 69 64 100 78 52 30.03 29.96 29.91 10 9 4 16 4 23 0.00  
28 77 74 71 73 72 70 100 96 83 29.94 29.88 29.83 10 7 3 7 1 - 0.00 Rain
29 84 76 69 73 71 68 100 89 62 30.03 29.95 29.85 10 8 2 12 4 - 0.00  
30 86 76 66 72 69 64 100 86 58 30.05 29.98 29.91 10 7 2 12 3 16 0.00  
31 89 78 68 75 71 68 100 81 52 29.93 29.86 29.81 10 10 7 12 4 - 0.00