Weather History for KDCA - May, 2012

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Month of May, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 91 °F 80 °F 70 °F
Mean Temperature 81 °F 72 °F 63 °F
Min Temperature 71 °F 63 °F 52 °F
Degree Days  
Heating Degree Days (base 65) 2 0 0 4
Cooling Degree Days (base 65) 16 7 0 209
Growing Degree Days (base 50) 30 21 12 657
Dew Point  
Dew Point 73 °F 58 °F 32 °F
Precipitation  
Precipitation 1.22 in 0.13 in 0.00 in 3.28 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 32 mph 8 mph 0 mph
Gust Wind 40 mph 24 mph 16 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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Astronomy

May. 11, 2012 Rise Set
Actual Time 5:59 AM EDT 8:10 PM EDT
Civil Twilight 5:29 AM EDT 8:40 PM EDT
Nautical Twilight 4:53 AM EDT 9:16 PM EDT
Astronomical Twilight 4:13 AM EDT 9:56 PM EDT
Moon 12:49 AM EDT (5/11) 11:28 AM EDT (5/11)
Length of Visible Light 15h 10m
Length of Day
14h 11m
Waning Gibbous, 63% of the Moon is Illuminated
May 11
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

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 84 72 60 64 59 49 90 68 46 30.11 30.01 29.98 10 10 4 17 6 21 0.15 Rain
2 74 66 58 63 60 54 93 79 64 30.14 30.07 29.98 10 8 3 14 7 25 0.02 Rain
3 81 69 56 65 58 53 93 74 54 30.16 30.11 30.03 10 9 3 15 6 17 T  
4 84 75 65 67 63 58 87 68 48 30.04 29.96 29.88 10 9 2 28 5 37 0.12 Rain , Thunderstorm
5 83 74 64 66 63 60 87 71 55 30.00 29.90 29.87 10 10 6 16 5 20 T Rain , Thunderstorm
6 72 67 61 59 58 55 90 76 61 30.09 30.05 30.00 10 10 6 14 6 24 T Rain
7 73 65 57 55 52 42 86 65 44 30.12 30.08 30.03 10 10 10 20 10 24 0.00  
8 75 68 61 64 58 48 78 69 60 30.04 29.91 29.81 10 10 6 21 12 25 0.03 Rain
9 75 67 59 65 59 54 93 72 50 29.81 29.74 29.66 10 8 2 32 8 40 0.58 Rain
10 70 63 56 55 43 36 87 59 30 29.95 29.76 29.62 10 10 10 28 13 38 0.00  
11 73 63 52 40 35 32 51 37 23 30.19 30.10 29.98 10 10 10 20 9 29 0.00  
12 78 65 52 55 45 35 71 46 21 30.31 30.25 30.20 10 10 10 13 5 16 0.00  
13 80 71 62 59 55 51 72 57 42 30.22 30.17 30.11 10 10 10 18 10 23 0.00  
14 73 68 62 64 60 55 93 77 61 30.13 30.10 30.03 10 8 2 18 8 22 0.24 Rain
15 79 73 67 66 64 61 93 78 62 30.02 29.96 29.91 10 8 2 23 5 29 1.22 Rain , Thunderstorm
16 82 73 63 64 61 56 93 68 42 29.96 29.92 29.87 10 10 10 12 6 14 0.00  
17 77 69 61 64 49 40 84 56 27 30.13 30.07 29.94 10 10 10 21 9 31 0.00  
18 76 66 55 51 47 42 80 57 33 30.20 30.16 30.12 10 10 10 15 6 22 0.00  
19 84 70 56 54 47 41 72 51 30 30.20 30.15 30.09 10 10 10 12 4 15 0.00  
20 81 70 59 65 54 40 87 59 31 30.18 30.14 30.10 10 10 5 23 11 28 0.01 Rain
21 75 71 66 65 64 61 93 81 68 30.09 30.00 29.92 10 8 2 17 9 22 0.03 Rain
22 81 74 66 65 63 62 87 71 54 29.92 29.87 29.81 10 10 4 13 5 14 0.01 Rain
23 81 74 66 67 64 62 87 75 62 29.98 29.90 29.84 10 9 0 18 4 22 0.31 Rain , Thunderstorm
24 83 76 69 66 65 61 90 72 54 30.09 30.04 29.98 10 8 2 18 7 23 T Rain
25 86 79 71 70 68 66 90 71 51 30.15 30.12 30.09 10 10 10 16 6 18 T  
26 86 79 71 72 68 65 90 71 51 30.18 30.14 30.09 10 10 10 14 8 16 0.00  
27 87 79 70 69 67 64 90 69 48 30.18 30.13 30.05 10 10 7 26 9 35 0.05 Rain , Thunderstorm
28 90 80 70 73 69 63 84 70 55 30.07 30.00 29.94 10 10 10 17 8 22 0.00  
29 91 81 70 72 68 64 87 67 47 29.95 29.84 29.75 10 9 2 28 12 36 0.51 Rain , Thunderstorm
30 83 76 69 70 62 56 93 68 42 29.83 29.78 29.72 10 10 10 13 6 15 T Rain
31 85 77 69 63 54 48 73 52 31 29.91 29.83 29.73 10 10 10 17 8 24 0.00