Weather History for Manassas, VA

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Month of July, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 96 °F 86 °F 75 °F
Mean Temperature 84 °F 77 °F 70 °F
Min Temperature 75 °F 69 °F 57 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 20 12 4 385
Growing Degree Days (base 50) 34 27 20 851
Dew Point  
Dew Point 81 °F 70 °F 52 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 18 mph 4 mph 0 mph
Gust Wind 24 mph 18 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.05 in 29.67 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jul. 15, 2013 Rise Set
Actual Time 5:57 AM EDT 8:34 PM EDT
Civil Twilight 5:26 AM EDT 9:04 PM EDT
Nautical Twilight 4:48 AM EDT 9:43 PM EDT
Astronomical Twilight 4:04 AM EDT 10:26 PM EDT
Moon 1:09 PM EDT (7/15) No Moon Set
Length of Visible Light 15h 38m
Length of Day
14h 36m
Waxing Crescent, 45% of the Moon is Illuminated
Jul 15
Waxing Crescent
Jul 15
First Quarter
Jul 22
Full
Jul 29
Last Quarter
Aug 6
New

Weather History Calendar

Precipitation Actual month total 0.00 Average Month Total: 3.07
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
82 | 69 0.00
Average:
83 | 61 0.08
Mostly Cloudy
Actual:
82 | 73 0.00
Average:
83 | 61 0.08
Thunderstorm
Actual:
84 | 71 0.00
Average:
83 | 61 0.09
Partly Cloudy
Actual:
89 | 71 0.00
Average:
83 | 61 0.09
Scattered Clouds
Actual:
87 | 69 0.00
Average:
83 | 61 0.09
Clear
Actual:
91 | 71 0.00
Average:
83 | 61 0.09
Thunderstorm
Actual:
87 | 71 0.00
Average:
83 | 61 0.09
Fog
Actual:
86 | 69 0.00
Average:
83 | 61 0.09
Scattered Clouds
Actual:
86 | 69 0.00
Average:
83 | 61 0.09
Thunderstorm
Actual:
87 | 71 0.00
Average:
83 | 61 0.09
Thunderstorm
Actual:
84 | 71 0.00
Average:
83 | 61 0.09
Thunderstorm
Actual:
75 | 66 0.00
Average:
83 | 61 0.10
Partly Cloudy
Actual:
84 | 69 0.00
Average:
83 | 61 0.10
Partly Cloudy
Actual:
87 | 71 0.00
Average:
83 | 61 0.10
Clear
Actual:
93 | 69 0.00
Average:
83 | 61 0.10
Scattered Clouds
Actual:
95 | 71 0.00
Average:
83 | 61 0.10
Scattered Clouds
Actual:
93 | 73 0.00
Average:
83 | 62 0.11
Clear
Actual:
96 | 73 0.00
Average:
83 | 62 0.11
Clear
Actual:
93 | 75 0.00
Average:
82 | 62 0.11
Scattered Clouds
Actual:
93 | 73 0.00
Average:
82 | 62 0.11
Thunderstorm
Actual:
89 | 69 0.00
Average:
82 | 62 0.11
Scattered Clouds
Actual:
87 | 71 0.00
Average:
82 | 63 0.11
Scattered Clouds
Actual:
87 | 71 0.00
Average:
82 | 63 0.11
Scattered Clouds
Actual:
84 | 69 0.00
Average:
82 | 63 0.11
Partly Cloudy
Actual:
80 | 62 0.00
Average:
82 | 63 0.11
Clear
Actual:
82 | 57 0.00
Average:
82 | 63 0.11
Thunderstorm
Actual:
84 | 62 0.00
Average:
82 | 63 0.10
Thunderstorm
Actual:
84 | 69 0.00
Average:
82 | 63 0.10
Scattered Clouds
Actual:
82 | 62 0.00
Average:
83 | 63 0.10
Scattered Clouds
Actual:
82 | 59 0.00
Average:
83 | 63 0.10
Partly Cloudy
Actual:
78 | 62 0.00
Average:
83 | 62 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
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 82 76 69 73 72 68 100 88 66 29.99 29.92 29.86 10 10 7 12 5 - 0.00  
2 82 78 73 75 73 72 100 92 74 30.18 30.10 29.99 10 10 7 13 7 18 0.00  
3 84 78 71 77 73 70 100 91 70 30.25 30.21 30.18 10 9 2 10 4 - 0.00 Rain , Thunderstorm
4 89 80 71 73 73 70 100 80 52 30.27 30.22 30.17 10 10 7 18 6 22 0.00  
5 87 78 69 73 72 68 100 82 58 30.25 30.19 30.14 10 10 3 15 3 24 0.00  
6 91 81 71 75 73 72 100 78 55 30.21 30.14 30.09 10 10 3 14 5 18 0.00  
7 87 79 71 73 71 68 100 91 58 30.13 30.09 30.02 10 10 8 12 2 21 0.00 Thunderstorm
8 86 78 69 73 70 66 100 84 51 30.13 30.09 30.06 10 10 3 7 2 - 0.00 Fog
9 86 78 69 75 72 68 100 86 66 30.12 30.08 30.01 10 10 5 9 2 - 0.00  
10 87 79 71 79 74 72 100 88 66 30.02 29.95 29.87 10 10 3 14 4 23 0.00 Thunderstorm
11 84 78 71 73 72 68 100 87 58 29.94 29.90 29.87 10 10 4 14 4 18 0.00 Thunderstorm
12 75 70 66 70 67 64 100 95 83 30.05 29.99 29.93 10 8 2 16 7 23 0.00 Rain , Thunderstorm
13 84 76 69 75 72 68 100 86 70 30.27 30.16 30.05 10 10 5 10 4 - 0.00  
14 87 79 71 75 73 66 100 86 55 30.35 30.31 30.27 10 8 1 9 3 - 0.00  
15 93 81 69 77 72 68 100 80 46 30.32 30.26 30.21 10 9 0 8 2 - 0.00  
16 95 83 71 75 72 66 100 74 39 30.26 30.22 30.18 10 8 2 14 3 21 0.00  
17 93 83 73 77 73 70 100 76 46 30.23 30.18 30.10 10 8 3 9 2 - 0.00  
18 96 84 73 81 76 72 100 84 50 30.13 30.08 30.02 10 7 2 7 1 - 0.00  
19 93 84 75 79 75 70 100 81 56 30.03 29.98 29.90 10 7 3 10 3 - 0.00  
20 93 83 73 77 73 70 100 79 46 29.92 29.88 29.81 10 9 5 10 3 17 0.00  
21 89 79 69 75 73 70 100 90 52 29.96 29.92 29.88 10 9 3 15 2 16 0.00 Thunderstorm
22 87 79 71 75 73 70 100 83 62 29.94 29.86 29.77 10 9 4 12 3 - 0.00  
23 87 79 71 73 70 66 100 79 49 29.78 29.71 29.67 10 10 1 15 4 21 0.00  
24 84 76 69 72 66 57 100 72 48 29.92 29.80 29.70 10 10 6 15 5 18 0.00  
25 80 71 62 61 56 52 88 58 39 30.05 29.99 29.92 10 10 9 15 9 20 0.00  
26 82 70 57 66 60 55 100 88 39 30.12 30.06 30.00 10 10 10 7 0 - 0.00  
27 84 73 62 72 68 63 100 90 66 30.06 30.00 29.94 10 10 5 15 3 20 0.00 Thunderstorm
28 84 76 69 73 70 66 100 90 55 30.00 29.93 29.90 10 9 2 8 4 - 0.00 Thunderstorm
29 82 72 62 70 60 54 100 69 37 30.18 30.10 30.00 10 10 3 13 4 18 0.00  
30 82 70 59 66 62 57 100 75 45 30.25 30.19 30.16 10 9 2 8 2 - 0.00  
31 78 70 62 72 67 61 100 88 73 30.17 30.11 30.03 10 8 4 12 2 18 0.00