Washington, VA

1:21 PM EDT on May 23, 2017 (GMT -0400)
Ronald Reagan Washington National

Weather History for KDCA - May, 2012

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Tuesday, May 29, 2012

  Actual Average Record
Temperature  
Mean Temperature 81 °F 70 °F  
Max Temperature 91 °F 79 °F 97 °F (1969)
Min Temperature 70 °F 61 °F 41 °F (1894)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 4 77  
Since 1 July heating degree days 3045 4023  
Cooling Degree Days 16 6  
Month to date cooling degree days 186 95  
Year to date cooling degree days 236 121  
Growing Degree Days 30 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 67    
Maximum Humidity 87    
Minimum Humidity 47    
Precipitation  
Precipitation 0.51 in 0.13 in 1.38 in (1990)
Month to date precipitation 3.28 3.73  
Year to date precipitation 10.74 15.70  
Snow  
Snow 0.00 in 0.00 in - ()
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 2.0 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.84 in    
Wind  
Wind Speed 12 mph (SW)    
Max Wind Speed 28 mph    
Max Gust Speed 36 mph    
Visibility 9 miles    
Events Rain , Thunderstorm    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

May. 29, 2012 Rise Set
Actual Time 5:45 AM EDT 8:25 PM EDT
Civil Twilight 5:14 AM EDT 8:56 PM EDT
Nautical Twilight 4:35 AM EDT 9:36 PM EDT
Astronomical Twilight 3:52 AM EDT 10:19 PM EDT
Moon 1:57 PM EDT (5/29) 1:34 AM EDT (5/29)
Length of Visible Light 15h 42m
Length of Day
14h 39m
First Quarter, 59% of the Moon is Illuminated
May 29
First Quarter
Jun 4
Full
Jun 11
Last Quarter
Jun 19
New
Jun 26
First Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 79.0 °F - 71.1 °F 77% 29.95 in 10.0 mi SSW 8.1 mph - N/A   Clear
1:52 AM 77.0 °F - 71.1 °F 82% 29.93 in 10.0 mi SSW 5.8 mph - N/A   Clear
2:52 AM 77.0 °F - 71.1 °F 82% 29.91 in 10.0 mi SSW 8.1 mph - N/A   Clear
3:52 AM 77.0 °F - 69.1 °F 76% 29.90 in 10.0 mi SW 11.5 mph - N/A   Clear
4:52 AM 75.9 °F - 68.0 °F 76% 29.89 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
5:52 AM 75.2 °F - 68.0 °F 78% 29.91 in 10.0 mi SSW 9.2 mph - N/A   Partly Cloudy
6:52 AM 75.9 °F - 68.0 °F 76% 29.91 in 10.0 mi SW 9.2 mph - N/A   Clear
7:52 AM 78.1 °F - 69.1 °F 74% 29.91 in 10.0 mi SW 8.1 mph - N/A   Clear
8:52 AM 80.1 °F 83.2 °F 70.0 °F 71% 29.89 in 10.0 mi South 10.4 mph - N/A   Clear
9:52 AM 82.4 °F 87.2 °F 71.6 °F 70% 29.88 in 10.0 mi South 12.7 mph - N/A   Clear
10:52 AM 84.9 °F 89.4 °F 70.0 °F 61% 29.88 in 10.0 mi SW 12.7 mph - N/A   Partly Cloudy
11:52 AM 88.0 °F 92.1 °F 69.1 °F 53% 29.87 in 10.0 mi SSW 13.8 mph 21.9 mph N/A   Partly Cloudy
12:52 PM 90.0 °F 94.5 °F 69.1 °F 50% 29.85 in 10.0 mi South 16.1 mph 23.0 mph N/A   Scattered Clouds
1:52 PM 89.1 °F 93.7 °F 69.1 °F 52% 29.81 in 10.0 mi South 17.3 mph 25.3 mph N/A   Scattered Clouds
2:52 PM 90.0 °F 93.6 °F 68.0 °F 48% 29.78 in 10.0 mi SSW 16.1 mph 26.5 mph N/A   Partly Cloudy
3:52 PM 89.1 °F 92.9 °F 68.0 °F 50% 29.76 in 10.0 mi South 20.7 mph 28.8 mph N/A   Scattered Clouds
4:52 PM 89.6 °F 92.2 °F 66.2 °F 46% 29.76 in 10.0 mi SSW 17.3 mph 26.5 mph N/A   Mostly Cloudy
5:52 PM 88.0 °F 90.7 °F 66.9 °F 49% 29.76 in 10.0 mi SSW 20.7 mph 26.5 mph N/A   Mostly Cloudy
6:52 PM 86.0 °F 88.2 °F 66.0 °F 51% 29.75 in 10.0 mi SSW 15.0 mph - N/A   Mostly Cloudy
7:52 PM 84.9 °F 87.6 °F 66.9 °F 55% 29.78 in 10.0 mi SSW 8.1 mph - N/A   Mostly Cloudy
8:14 PM 78.8 °F - 64.4 °F 61% 29.80 in 10.0 mi NNW 21.9 mph 26.5 mph N/A   Overcast
8:23 PM 78.8 °F - 64.4 °F 61% 29.82 in 10.0 mi NW 21.9 mph 27.6 mph N/A Thunderstorm Thunderstorm
8:49 PM 71.6 °F - 66.2 °F 83% 29.82 in 2.0 mi NNW 18.4 mph - 0.03 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:52 PM 71.1 °F - 66.9 °F 87% 29.83 in 1.5 mi NNW 17.3 mph - 0.13 in Rain , Thunderstorm Heavy Thunderstorms and Rain
8:58 PM 71.6 °F - 66.2 °F 83% 29.82 in 1.5 mi NNW 15.0 mph - 0.09 in Rain , Thunderstorm Heavy Thunderstorms and Rain
9:01 PM 71.6 °F - 66.2 °F 83% 29.82 in 2.0 mi North 15.0 mph - 0.16 in Rain , Thunderstorm Thunderstorms and Rain
9:06 PM 69.8 °F - 66.2 °F 88% 29.81 in 3.0 mi North 18.4 mph - 0.17 in Rain , Thunderstorm Thunderstorms and Rain
9:45 PM 71.6 °F - 68.0 °F 88% 29.82 in 10.0 mi ENE 4.6 mph - 0.34 in Rain , Thunderstorm Light Thunderstorms and Rain
9:52 PM 72.0 °F - 68.0 °F 87% 29.83 in 10.0 mi SSE 3.5 mph - 0.34 in   Overcast
10:52 PM 72.0 °F - 69.1 °F 91% 29.81 in 10.0 mi Calm Calm - 0.04 in Rain Light Rain
11:52 PM 73.0 °F - 69.1 °F 87% 29.81 in 10.0 mi SW 4.6 mph - 0.00 in Rain Light Rain