Weather History for Manassas, VA

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Month of January, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 46 °F 24 °F
Mean Temperature 62 °F 37 °F 17 °F
Min Temperature 51 °F 27 °F 8 °F
Degree Days  
Heating Degree Days (base 65) 48 28 3 874
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 12 0 0 15
Dew Point  
Dew Point 64 °F 29 °F -2 °F
Precipitation  
Precipitation 0.01 in 0.00 in 0.00 in 0.05 in
Snowdepth - - - -
Wind  
Wind 24 mph 4 mph 0 mph
Gust Wind 34 mph 20 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.61 in 30.17 in 29.20 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

Jan. 11, 2013 Rise Set
Actual Time 7:27 AM EST 5:08 PM EST
Civil Twilight 6:58 AM EST 5:38 PM EST
Nautical Twilight 6:25 AM EST 6:11 PM EST
Astronomical Twilight 5:53 AM EST 6:43 PM EST
Moon 6:59 AM EST (1/11) 5:23 PM EST (1/11)
Length of Visible Light 10h 39m
Length of Day
9h 41m
Waning Crescent, 0% of the Moon is Illuminated
Jan 11
Waning Crescent
Jan 11
New
Jan 18
First Quarter
Jan 26
Full
Feb 3
Last Quarter

Weather History Calendar

Precipitation Actual month total 0.05 Average Month Total: 6.56
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Partly Cloudy
Actual:
42 | 30 0.00
Average:
43 | 23 0.05
Partly Cloudy
Actual:
42 | 28 0.00
Average:
43 | 24 0.06
Scattered Clouds
Actual:
39 | 19 0.00
Average:
43 | 24 0.06
Clear
Actual:
44 | 17 0.00
Average:
43 | 24 0.06
Scattered Clouds
Actual:
44 | 21 0.00
Average:
43 | 24 0.06
Partly Cloudy
Actual:
51 | 26 0.00
Average:
43 | 24 0.07
Partly Cloudy
Actual:
44 | 23 0.00
Average:
43 | 24 0.07
Clear
Actual:
53 | 21 0.00
Average:
43 | 23 0.08
Scattered Clouds
Actual:
46 | 24 0.00
Average:
43 | 23 0.08
Clear
Actual:
55 | 32 0.00
Average:
42 | 23 0.09
Partly Cloudy
Actual:
44 | 30 0.00
Average:
42 | 22 1.17
Fog
Actual:
46 | 41 0.00
Average:
41 | 22 0.11
Fog
Actual:
55 | 44 0.00
Average:
40 | 21 0.12
Mostly Cloudy
Actual:
62 | 39 0.01
Average:
40 | 21 2.51
Overcast
Actual:
39 | 37 0.01
Average:
39 | 21 0.14
Overcast
Actual:
41 | 35 0.00
Average:
39 | 21 0.14
Mostly Cloudy
Actual:
44 | 37 0.00
Average:
39 | 21 0.13
Scattered Clouds
Actual:
39 | 26 0.00
Average:
39 | 21 0.13
Clear
Actual:
55 | 26 0.00
Average:
39 | 21 0.13
Clear
Actual:
60 | 30 0.00
Average:
39 | 21 0.13
Clear
Actual:
48 | 30 0.00
Average:
39 | 21 0.13
Clear
Actual:
30 | 15 0.00
Average:
39 | 21 0.12
Partly Cloudy
Actual:
28 | 8 0.00
Average:
40 | 21 0.12
Snow
Actual:
30 | 10 0.01
Average:
40 | 21 0.11
Snow
Actual:
24 | 10 0.00
Average:
40 | 21 0.11
Snow
Actual:
35 | 24 0.00
Average:
40 | 21 0.11
Partly Cloudy
Actual:
37 | 24 0.00
Average:
41 | 21 0.10
Rain
Actual:
46 | 30 0.01
Average:
41 | 21 0.10
Scattered Clouds
Actual:
71 | 35 0.00
Average:
41 | 22 0.09
Partly Cloudy
Actual:
73 | 51 0.01
Average:
41 | 22 0.09
Partly Cloudy
Actual:
62 | 26 0.00
Average:
42 | 22 0.09
 

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
Jan high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 42 36 30 36 31 28 100 81 61 30.02 29.99 29.92 10 10 10 9 2 - 0.00  
2 42 35 28 32 23 16 81 64 42 30.24 30.12 30.01 10 10 10 9 6 - 0.00  
3 39 29 19 27 21 18 100 74 45 30.27 30.21 30.16 10 10 10 7 1 - 0.00  
4 44 30 17 28 20 16 100 79 37 30.22 30.19 30.12 10 10 10 13 2 16 0.00  
5 44 32 21 32 24 19 100 79 39 30.39 30.24 30.03 10 10 10 9 2 - 0.00  
6 51 38 26 34 29 25 100 65 38 30.19 30.10 30.03 10 10 8 10 3 16 0.00  
7 44 34 23 30 27 21 100 70 46 30.45 30.34 30.17 10 10 7 18 8 20 0.00  
8 53 37 21 34 27 19 100 87 41 30.42 30.40 30.36 10 10 5 8 2 - 0.00  
9 46 35 24 43 31 23 100 95 69 30.40 30.35 30.24 10 8 4 7 0 - 0.00  
10 55 44 32 37 31 25 100 75 31 30.59 30.48 30.31 10 10 9 12 4 - 0.00  
11 44 37 30 43 36 28 100 93 81 30.51 30.32 30.11 10 7 0 7 1 - 0.00  
12 46 44 41 46 43 41 100 99 93 30.19 30.14 30.11 6 2 0 4 0 - 0.00 Fog
13 55 50 44 55 50 45 100 99 93 30.14 30.06 29.98 5 1 0 9 3 - 0.00 Fog
14 62 50 39 61 47 36 100 81 58 30.32 30.14 29.96 10 9 0 15 6 22 0.01  
15 39 38 37 39 38 36 100 98 93 30.34 30.26 30.17 10 6 2 9 5 - 0.01  
16 41 38 35 41 38 34 100 98 93 30.16 30.03 29.88 10 7 2 12 4 16 0.00  
17 44 40 37 41 35 30 100 79 57 30.13 30.08 29.99 10 9 4 15 4 20 0.00  
18 39 32 26 30 23 12 93 67 33 30.50 30.34 30.11 10 10 10 17 7 26 0.00  
19 55 40 26 37 27 25 93 58 33 30.43 30.22 29.98 10 10 10 15 8 20 0.00  
20 60 45 30 32 22 9 93 44 19 30.08 29.93 29.84 10 10 10 21 8 31 0.00  
21 48 39 30 25 18 10 80 52 32 30.10 29.99 29.79 10 10 10 23 8 33 0.00  
22 30 22 15 16 2 -2 64 43 29 30.30 30.18 29.95 10 10 10 18 13 31 0.00  
23 28 18 8 18 6 0 100 60 31 30.36 30.25 30.15 10 10 2 9 4 16 0.00  
24 30 20 10 19 13 3 100 79 37 30.54 30.31 30.09 10 7 2 24 5 31 0.01 Snow
25 24 17 10 19 13 9 93 83 50 30.53 30.34 30.08 10 10 1 14 2 22 0.00 Snow
26 35 30 24 28 23 19 100 84 52 30.44 30.21 30.09 10 10 7 10 2 - 0.00 Snow
27 37 30 24 27 22 16 93 76 44 30.61 30.52 30.45 10 10 10 9 3 - 0.00  
28 46 38 30 43 35 25 100 87 70 30.50 30.24 30.07 10 8 2 13 5 - 0.01 Rain
29 71 53 35 54 44 36 100 88 53 30.12 30.05 29.97 10 8 2 12 2 - 0.00  
30 73 62 51 64 57 50 100 88 69 29.97 29.64 29.24 10 9 3 21 8 34 0.01  
31 62 44 26 61 34 14 100 68 33 29.93 29.56 29.20 10 10 4 23 9 34 0.00