Weather History for KDCA - April, 2012

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Monday, April 23, 2012

  Actual Average Record
Temperature  
Mean Temperature 46 °F 59 °F  
Max Temperature 50 °F 69 °F 95 °F (1960)
Min Temperature 42 °F 49 °F 33 °F (1933)
Degree Days  
Heating Degree Days 19 7  
Month to date heating degree days 162 228  
Since 1 July heating degree days 2983 3904  
Cooling Degree Days 0 1  
Month to date cooling degree days 27 14  
Year to date cooling degree days 50 16  
Moisture  
Dew Point 38 °F    
Average Humidity 71    
Maximum Humidity 86    
Minimum Humidity 56    
Precipitation  
Precipitation 0.10 in 0.10 in 1.38 in (1921)
Month to date precipitation 1.74 2.34  
Year to date precipitation 7.28 11.25  
Snow  
Snow 0.00 in 0.00 in T in (1986)
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 29.43 in    
Wind  
Wind Speed 12 mph (WNW)    
Max Wind Speed 24 mph    
Max Gust Speed 31 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 23, 2012 Rise Set
Actual Time 6:19 AM EDT 7:53 PM EDT
Civil Twilight 5:51 AM EDT 8:21 PM EDT
Nautical Twilight 5:18 AM EDT 8:55 PM EDT
Astronomical Twilight 4:42 AM EDT 9:31 PM EDT
Moon 7:30 AM EDT (4/23) 10:20 PM EDT (4/23)
Length of Visible Light 14h 29m
Length of Day
13h 33m
Waxing Crescent, 5% of the Moon is Illuminated
Apr 23
Waxing Crescent
Apr 29
First Quarter
May 5
Full
May 12
Last Quarter
May 20
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 46.0 °F 39.6 °F 42.1 °F 86% 29.40 in 4.0 mi NW 15.0 mph - 0.00 in Rain Light Rain
1:50 AM 44.6 °F 36.9 °F 41.0 °F 87% 29.38 in 5.0 mi NNW 18.4 mph - 0.01 in Rain Light Rain
1:52 AM 44.6 °F 37.4 °F 41.0 °F 87% 29.38 in 5.0 mi NW 16.1 mph 20.7 mph N/A   Overcast
2:19 AM 44.6 °F 38.1 °F 41.0 °F 87% 29.37 in 10.0 mi NW 13.8 mph - N/A   Overcast
2:47 AM 44.6 °F 39.2 °F 39.2 °F 81% 29.37 in 10.0 mi NW 10.4 mph 24.2 mph N/A   Overcast
2:52 AM 44.1 °F 38.1 °F 39.0 °F 82% 29.37 in 10.0 mi NW 11.5 mph 23.0 mph N/A   Overcast
3:52 AM 42.8 °F 35.1 °F 37.4 °F 81% 29.36 in 10.0 mi WNW 16.1 mph 24.2 mph N/A   Overcast
4:43 AM 42.8 °F 35.1 °F 37.4 °F 81% 29.35 in 10.0 mi NW 16.1 mph 24.2 mph 0.00 in Rain Light Rain
4:52 AM 42.8 °F 36.6 °F 37.4 °F 81% 29.36 in 10.0 mi WNW 11.5 mph 20.7 mph N/A Rain Light Rain
5:52 AM 42.1 °F 35.2 °F 37.0 °F 82% 29.36 in 10.0 mi WNW 12.7 mph 20.7 mph 0.02 in Rain Light Rain
6:10 AM 42.8 °F 36.2 °F 37.4 °F 81% 29.36 in 10.0 mi NW 12.7 mph 18.4 mph 0.00 in   Overcast
6:52 AM 42.8 °F 37.0 °F 37.4 °F 81% 29.36 in 10.0 mi WNW 10.4 mph 20.7 mph N/A   Light Drizzle
6:55 AM 42.8 °F 36.2 °F 37.4 °F 81% 29.36 in 10.0 mi NW 12.7 mph 18.4 mph 0.00 in Rain Light Rain
7:01 AM 42.8 °F 37.0 °F 37.4 °F 81% 29.37 in 10.0 mi WNW 10.4 mph 20.7 mph 0.00 in Rain Light Rain
7:52 AM 42.8 °F 35.8 °F 35.6 °F 76% 29.37 in 10.0 mi WNW 13.8 mph 23.0 mph N/A   Overcast
8:52 AM 43.0 °F 35.4 °F 36.0 °F 76% 29.38 in 10.0 mi WNW 16.1 mph 26.5 mph N/A   Overcast
9:52 AM 45.0 °F 38.5 °F 36.0 °F 71% 29.39 in 10.0 mi WNW 13.8 mph 20.7 mph N/A   Overcast
10:52 AM 45.0 °F 38.2 °F 36.0 °F 71% 29.40 in 10.0 mi WNW 15.0 mph - 0.00 in   Overcast
11:52 AM 46.0 °F 39.6 °F 37.0 °F 71% 29.41 in 10.0 mi WNW 15.0 mph 23.0 mph 0.00 in Rain Light Rain
12:52 PM 46.9 °F - 35.1 °F 63% 29.42 in 10.0 mi WNW 16.1 mph 21.9 mph 0.00 in Rain Light Rain
1:52 PM 46.9 °F - 37.0 °F 68% 29.42 in 10.0 mi WNW 12.7 mph 21.9 mph 0.00 in Rain Light Rain
2:32 PM 48.2 °F - 35.6 °F 62% 29.43 in 10.0 mi WNW 18.4 mph 27.6 mph 0.00 in Rain Light Rain
2:52 PM 48.0 °F - 35.1 °F 61% 29.44 in 10.0 mi NW 16.1 mph 23.0 mph 0.00 in   Overcast
3:52 PM 48.9 °F - 34.0 °F 56% 29.45 in 10.0 mi West 17.3 mph 27.6 mph 0.00 in   Overcast
4:16 PM 46.4 °F 39.8 °F 37.4 °F 71% 29.46 in 7.0 mi WNW 16.1 mph 21.9 mph 0.00 in Rain Light Rain
4:21 PM 44.6 °F 36.9 °F 37.4 °F 76% 29.47 in 3.0 mi NW 18.4 mph 23.0 mph 0.01 in Rain Rain
4:24 PM 42.8 °F 34.5 °F 37.4 °F 81% 29.47 in 2.5 mi NNW 18.4 mph 23.0 mph 0.02 in Rain Rain
4:33 PM 42.8 °F 35.4 °F 37.4 °F 81% 29.47 in 3.0 mi WNW 15.0 mph 23.0 mph 0.03 in Rain Rain
4:52 PM 43.0 °F 36.0 °F 37.9 °F 82% 29.48 in 8.0 mi West 13.8 mph 21.9 mph 0.05 in Rain Light Rain
5:01 PM 44.6 °F 39.2 °F 39.2 °F 81% 29.48 in 10.0 mi WNW 10.4 mph - 0.00 in Rain Light Rain
5:52 PM 46.0 °F 43.9 °F 39.9 °F 79% 29.49 in 10.0 mi Variable 4.6 mph - 0.02 in   Overcast
6:30 PM 44.6 °F 41.4 °F 39.2 °F 81% 29.50 in 10.0 mi WSW 5.8 mph - 0.00 in Rain Light Rain
6:32 PM 44.6 °F 40.2 °F 39.2 °F 81% 29.50 in 10.0 mi WSW 8.1 mph - 0.00 in Rain Light Rain
6:52 PM 46.0 °F 41.4 °F 39.0 °F 76% 29.51 in 10.0 mi WSW 9.2 mph - 0.00 in   Overcast
7:52 PM 45.0 °F 41.2 °F 37.9 °F 76% 29.52 in 10.0 mi West 6.9 mph - N/A   Overcast
8:52 PM 45.0 °F 40.1 °F 39.0 °F 80% 29.54 in 10.0 mi WSW 9.2 mph - 0.00 in   Overcast
9:52 PM 45.0 °F 40.6 °F 37.9 °F 76% 29.56 in 10.0 mi WSW 8.1 mph - N/A   Scattered Clouds
10:52 PM 44.1 °F 40.1 °F 37.9 °F 79% 29.57 in 10.0 mi SW 6.9 mph - N/A   Mostly Cloudy
11:52 PM 44.1 °F 40.8 °F 37.9 °F 79% 29.57 in 10.0 mi WSW 5.8 mph - N/A   Overcast