Weather History for Andrews AFB, MD

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 78 °F 66 °F
Mean Temperature 80 °F 68 °F 59 °F
Min Temperature 69 °F 59 °F 48 °F
Degree Days  
Heating Degree Days (base 65) 6 1 0 36
Cooling Degree Days (base 65) 14 4 0 131
Growing Degree Days (base 50) 30 18 9 557
Dew Point  
Dew Point 72 °F 59 °F 31 °F
Precipitation  
Precipitation 0.79 in 0.09 in 0.00 in 2.93 in
Snowdepth - - - -
Wind  
Wind 30 mph 7 mph 0 mph
Gust Wind 38 mph 23 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.31 in 30.01 in 29.62 in

Monthly Weather History Graph

Monthly Weather History Graph

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Date:

Astronomy

May. 08, 2012 Rise Set
Actual Time 6:01 AM EDT 8:06 PM EDT
Civil Twilight 5:32 AM EDT 8:36 PM EDT
Nautical Twilight 4:56 AM EDT 9:12 PM EDT
Astronomical Twilight 4:17 AM EDT 9:51 PM EDT
Moon 11:14 PM EDT (5/8) 8:07 AM EDT (5/8)
Length of Visible Light 15h 04m
Length of Day
14h 05m
Waning Gibbous, 91% of the Moon is Illuminated
May 8
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Weather History Calendar

Precipitation Actual month total 2.93 Average Month Total: 4.01
Sunday Monday Tuesday Wednesday Thursday Friday Saturday
 
Rain
Actual:
81 | 57 0.10
Average:
69 | 47 0.10
Rain
Actual:
69 | 55 0.03
Average:
69 | 48 0.10
Thunderstorm
Actual:
79 | 53 0.14
Average:
70 | 48 0.10
Thunderstorm
Actual:
81 | 60 0.79
Average:
70 | 49 0.10
Partly Cloudy
Actual:
79 | 62 0.00
Average:
71 | 49 0.10
Overcast
Actual:
69 | 58 0.00
Average:
71 | 50 0.10
Partly Cloudy
Actual:
69 | 51 0.00
Average:
71 | 50 0.10
Rain
Actual:
73 | 57 0.11
Average:
71 | 50 0.10
Rain
Actual:
72 | 56 0.33
Average:
71 | 50 0.10
Scattered Clouds
Actual:
66 | 52 0.07
Average:
71 | 50 0.10
Clear
Actual:
71 | 49 0.00
Average:
71 | 50 0.10
Clear
Actual:
76 | 48 0.00
Average:
71 | 50 0.10
Scattered Clouds
Actual:
80 | 58 0.00
Average:
71 | 50 0.10
Rain
Actual:
72 | 60 0.13
Average:
71 | 51 0.10
Thunderstorm
Actual:
79 | 63 0.50
Average:
71 | 51 0.10
Scattered Clouds
Actual:
81 | 62 0.00
Average:
71 | 51 0.10
Scattered Clouds
Actual:
73 | 52 0.00
Average:
71 | 51 0.10
Clear
Actual:
72 | 48 0.00
Average:
71 | 51 0.10
Clear
Actual:
78 | 48 0.00
Average:
71 | 52 0.10
Rain
Actual:
77 | 53 0.03
Average:
71 | 52 0.10
Rain
Actual:
75 | 62 0.10
Average:
72 | 52 0.10
Rain
Actual:
76 | 64 0.03
Average:
72 | 52 0.09
Thunderstorm
Actual:
78 | 63 0.01
Average:
72 | 53 0.09
Partly Cloudy
Actual:
79 | 66 0.00
Average:
72 | 53 0.09
Partly Cloudy
Actual:
82 | 67 0.00
Average:
73 | 53 0.56
Rain
Actual:
86 | 64 0.00
Average:
73 | 53 0.56
Rain
Actual:
87 | 66 0.01
Average:
73 | 53 0.10
Scattered Clouds
Actual:
91 | 68 0.01
Average:
73 | 54 0.10
Thunderstorm
Actual:
90 | 69 0.53
Average:
73 | 54 0.10
Partly Cloudy
Actual:
79 | 65 0.01
Average:
73 | 54 0.11
Scattered Clouds
Actual:
83 | 65 0.00
Average:
73 | 54 0.11
 

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

2012 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 81 69 57 64 59 50 94 78 48 30.10 30.02 29.99 10 10 6 16 6 22 0.10 Rain
2 69 62 55 63 60 53 100 88 76 30.14 30.07 29.98 10 9 6 13 5 - 0.03 Rain
3 79 66 53 66 57 53 100 89 59 30.19 30.13 30.04 10 8 2 13 6 - 0.14 Rain , Thunderstorm
4 81 70 60 68 63 59 98 81 53 30.09 29.97 29.87 10 7 0 30 10 38 0.79 Fog , Rain , Thunderstorm
5 79 70 62 67 63 59 100 84 61 30.00 29.90 29.86 10 8 2 13 5 20 0.00  
6 69 64 58 59 58 54 95 86 69 30.09 30.04 29.99 10 10 6 9 6 - 0.00  
7 69 60 51 55 52 44 100 80 52 30.12 30.09 30.04 10 10 10 14 6 22 0.00  
8 73 64 57 63 59 49 94 74 63 30.04 29.90 29.82 10 10 7 18 11 25 0.11 Rain
9 72 64 56 66 61 54 100 87 55 29.83 29.76 29.66 10 10 5 24 8 30 0.33 Rain
10 66 59 52 56 46 37 94 66 33 29.95 29.74 29.62 10 10 10 28 10 36 0.07  
11 71 60 49 45 37 31 71 43 25 30.20 30.10 29.97 10 10 10 15 8 24 0.00  
12 76 62 48 52 44 37 80 51 25 30.31 30.26 30.20 10 10 10 9 5 - 0.00  
13 80 69 58 56 54 51 76 60 41 30.22 30.17 30.12 10 10 10 14 8 20 0.00  
14 72 66 60 64 61 56 100 89 66 30.14 30.11 30.03 10 9 3 14 8 - 0.13 Rain
15 79 71 63 67 64 60 100 89 57 30.03 29.97 29.92 10 8 2 21 7 26 0.50 Rain , Thunderstorm
16 81 71 62 63 60 56 98 71 45 29.96 29.93 29.88 10 10 9 8 5 - 0.00  
17 73 62 52 63 51 44 91 63 38 30.13 30.07 29.93 10 10 2 17 8 - 0.00  
18 72 60 48 50 46 43 92 60 37 30.20 30.16 30.12 10 10 10 13 4 - 0.00  
19 78 63 48 55 48 41 84 56 35 30.19 30.15 30.11 10 10 10 9 4 - 0.00  
20 77 65 53 64 56 42 94 72 34 30.18 30.13 30.09 10 9 4 16 8 23 0.03 Rain
21 75 68 62 67 64 62 100 93 70 30.09 30.02 29.92 10 7 2 15 10 20 0.10 Rain
22 76 70 64 66 64 62 95 87 71 29.92 29.88 29.82 10 10 2 8 4 - 0.03 Rain
23 78 70 63 70 66 62 97 84 67 29.99 29.91 29.84 10 10 10 13 4 - 0.01 Rain , Thunderstorm
24 79 72 66 67 65 61 100 86 60 30.10 30.04 29.98 10 8 1 16 6 23 0.00  
25 82 74 67 71 68 66 100 84 63 30.16 30.13 30.09 10 10 10 10 5 - 0.00  
26 86 75 64 70 68 64 98 76 51 30.18 30.15 30.10 10 10 10 12 6 - 0.00 Rain
27 87 76 66 69 67 64 96 76 48 30.19 30.13 30.06 10 10 10 21 7 28 0.01 Rain
28 91 80 68 72 68 63 89 69 46 30.07 30.00 29.95 10 10 10 13 9 - 0.01  
29 90 79 69 70 68 64 99 81 48 29.95 29.84 29.76 10 8 2 24 11 31 0.53 Rain , Thunderstorm
30 79 72 65 70 66 61 100 84 55 29.83 29.79 29.73 10 10 7 7 5 - 0.01  
31 83 74 65 64 56 48 98 57 29 29.91 29.84 29.73 10 10 10 10 6 - 0.00