Weather History for Manassas, VA

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Month of May, 2014

  Max Avg Min Sum
Temperature  
Max Temperature 89 °F 76 °F 62 °F
Mean Temperature 76 °F 65 °F 53 °F
Min Temperature 64 °F 53 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 12 3 0 87
Cooling Degree Days (base 65) 10 3 0 80
Growing Degree Days (base 50) 26 15 3 466
Dew Point  
Dew Point 73 °F 54 °F 32 °F
Precipitation  
Precipitation 0.18 in 0.02 in 0.00 in 0.56 in
Snowdepth - - - -
Wind  
Wind 28 mph 4 mph 0 mph
Gust Wind 40 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.32 in 30.03 in 29.70 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 16, 2014 Rise Set
Actual Time 5:57 AM EDT 8:16 PM EDT
Civil Twilight 5:27 AM EDT 8:46 PM EDT
Nautical Twilight 4:50 AM EDT 9:23 PM EDT
Astronomical Twilight 4:09 AM EDT 10:04 PM EDT
Moon 10:21 PM EDT (5/16) 7:36 AM EDT (5/16)
Length of Visible Light 15h 19m
Length of Day
14h 19m
Waning Gibbous, 95% of the Moon is Illuminated
May 16
Waning Gibbous
May 21
Last Quarter
May 28
New
Jun 5
First Quarter
Jun 13
Full

Weather History Calendar

Precipitation Actual month total 0.56 Average Month Total: 2.99
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
78 | 55 0.18
Average:
69 | 45 0.07
Partly Cloudy
Actual:
69 | 46 0.10
Average:
69 | 46 0.07
Partly Cloudy
Actual:
73 | 50 0.06
Average:
70 | 46 0.07
Scattered Clouds
Actual:
80 | 42 0.04
Average:
70 | 47 0.07
Thunderstorm
Actual:
62 | 44 0.01
Average:
70 | 47 0.07
Thunderstorm
Actual:
73 | 50 0.01
Average:
71 | 47 0.07
Scattered Clouds
Actual:
64 | 46 0.00
Average:
71 | 48 0.08
Partly Cloudy
Actual:
87 | 57 0.00
Average:
71 | 48 0.08
Partly Cloudy
Actual:
80 | 62 0.01
Average:
71 | 48 0.08
Partly Cloudy
Actual:
75 | 64 0.00
Average:
71 | 48 0.08
Clear
Actual:
80 | 55 0.01
Average:
71 | 48 0.08
Scattered Clouds
Actual:
87 | 55 0.00
Average:
71 | 48 0.08
Thunderstorm
Actual:
89 | 62 0.00
Average:
71 | 49 0.09
Overcast
Actual:
69 | 60 0.00
Average:
71 | 49 0.09
Thunderstorm
Actual:
80 | 64 0.07
Average:
71 | 49 0.09
Partly Cloudy
Actual:
69 | 55 0.06
Average:
71 | 49 0.09
Partly Cloudy
Actual:
68 | 46 0.01
Average:
71 | 50 0.09
Partly Cloudy
Actual:
66 | 44 0.00
Average:
71 | 50 0.09
Clear
Actual:
71 | 39 0.00
Average:
71 | 50 0.09
Scattered Clouds
Actual:
75 | 44 0.00
Average:
71 | 50 0.09
Thunderstorm
Actual:
80 | 55 0.00
Average:
71 | 50 0.08
Partly Cloudy
Actual:
86 | 62 0.00
Average:
72 | 51 0.08
Scattered Clouds
Actual:
78 | 53 0.00
Average:
72 | 51 0.08
Scattered Clouds
Actual:
75 | 53 0.00
Average:
72 | 51 0.08
Scattered Clouds
Actual:
82 | 51 0.00
Average:
72 | 51 0.08
Clear
Actual:
86 | 53 0.00
Average:
72 | 51 0.56
Thunderstorm
Actual:
89 | 60 0.00
Average:
73 | 51 0.08
Thunderstorm
Actual:
84 | 64 0.00
Average:
73 | 51 0.08
Overcast
Actual:
62 | 57 0.00
Average:
73 | 52 0.08
Rain
Actual:
71 | 57 0.00
Average:
73 | 52 0.08
Scattered Clouds
Actual:
78 | 53 0.00
Average:
73 | 52 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

2014 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
1 78 66 55 63 53 41 100 70 39 29.87 29.79 29.70 10 8 0 16 4 21 0.18 Rain
2 69 58 46 48 40 36 100 50 32 29.90 29.85 29.81 10 10 0 12 6 20 0.10  
3 73 62 50 50 44 37 94 59 29 29.90 29.84 29.74 10 10 8 13 3 20 0.06  
4 80 61 42 48 43 37 100 62 21 29.94 29.83 29.71 10 10 10 22 5 40 0.04  
5 62 53 44 54 40 32 94 63 34 30.09 29.98 29.91 10 10 10 14 7 21 0.01 Thunderstorm
6 73 62 50 54 49 39 100 78 31 30.04 29.97 29.92 10 10 9 6 1 - 0.01 Thunderstorm
7 64 55 46 55 51 41 100 81 48 30.22 30.13 30.05 10 10 10 9 2 16 0.00  
8 87 72 57 63 59 55 94 79 35 30.15 30.09 29.99 10 10 5 7 1 - 0.00  
9 80 71 62 66 64 61 100 82 58 30.13 30.04 29.95 10 8 2 12 3 - 0.01  
10 75 70 64 66 64 61 94 80 65 30.02 29.97 29.91 10 10 5 15 5 25 0.00  
11 80 68 55 63 56 48 100 72 32 30.15 30.07 29.97 10 10 1 8 3 - 0.01  
12 87 71 55 68 62 54 100 81 45 30.13 30.09 30.05 10 10 9 16 2 25 0.00  
13 89 76 62 68 65 59 100 76 43 30.17 30.09 30.05 10 8 0 16 3 26 0.00 Thunderstorm
14 69 64 60 68 64 59 100 96 88 30.23 30.16 30.12 10 6 2 8 4 - 0.00  
15 80 72 64 70 67 64 100 90 65 30.14 30.03 29.89 10 7 1 18 6 22 0.07 Thunderstorm
16 69 62 55 70 56 46 100 76 53 29.98 29.86 29.75 10 9 2 21 11 30 0.06  
17 68 57 46 52 43 36 100 60 32 30.17 30.07 29.97 10 10 10 12 5 16 0.01  
18 66 55 44 45 40 36 93 61 32 30.27 30.22 30.18 10 10 10 14 6 20 0.00  
19 71 55 39 48 42 36 100 77 27 30.32 30.24 30.18 10 9 4 8 1 - 0.00  
20 75 60 44 57 50 43 100 78 33 30.23 30.13 30.00 10 10 10 5 0 - 0.00  
21 80 68 55 64 59 54 100 77 51 30.00 29.94 29.88 10 10 7 8 1 - 0.00 Thunderstorm
22 86 74 62 68 61 52 100 69 35 29.91 29.85 29.78 10 9 1 24 4 32 0.00  
23 78 66 53 54 48 45 88 51 30 30.05 29.96 29.90 10 10 10 17 11 29 0.00  
24 75 64 53 59 50 45 94 61 41 30.13 30.08 30.04 10 10 10 15 7 20 0.00  
25 82 66 51 59 53 46 100 70 28 30.18 30.13 30.10 10 10 4 8 1 - 0.00  
26 86 70 53 68 59 52 100 79 35 30.15 30.06 29.98 10 10 10 9 1 - 0.00  
27 89 74 60 70 65 61 100 81 43 30.00 29.94 29.86 10 9 2 25 3 28 0.00 Thunderstorm
28 84 74 64 73 68 63 100 91 58 30.05 29.93 29.88 10 8 2 28 2 33 0.00 Thunderstorm
29 62 60 57 63 58 55 100 97 94 30.20 30.14 30.06 10 8 2 8 5 - 0.00  
30 71 64 57 61 58 55 100 86 60 30.16 30.12 30.09 10 8 2 10 3 - 0.00 Rain
31 78 66 53 59 51 43 100 64 32 30.27 30.18 30.12 10 10 6 14 4 18 0.00