Weather History for Washington, DC

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Sunday, February 5, 2012

  Actual Average Record
Temperature  
Mean Temperature 40 °F 37 °F  
Max Temperature 45 °F 45 °F 70 °F (1991)
Min Temperature 35 °F 29 °F -2 °F (1918)
Degree Days  
Heating Degree Days 25 28  
Month to date heating degree days 89 140  
Since 1 July heating degree days 2043 2520  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 30 °F    
Average Humidity 65    
Maximum Humidity 76    
Minimum Humidity 53    
Precipitation  
Precipitation T in 0.09 in 0.80 in (1908)
Month to date precipitation 0.19 0.48  
Year to date precipitation 2.38 3.29  
Snow  
Snow 0.00 in 0.20 in 8.70 in (2010)
Month to date snowfall 0.0 1.2  
Since 1 July snowfall 1.7 9.6  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.17 in    
Wind  
Wind Speed 7 mph (North)    
Max Wind Speed 15 mph    
Max Gust Speed 20 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Feb. 05, 2012 Rise Set
Actual Time 7:11 AM EST 5:33 PM EST
Civil Twilight 6:43 AM EST 6:01 PM EST
Nautical Twilight 6:11 AM EST 6:33 PM EST
Astronomical Twilight 5:40 AM EST 7:04 PM EST
Moon 3:30 PM EST (2/5) 5:19 AM EST (2/5)
Length of Visible Light 11h 18m
Length of Day
10h 22m
Waxing Gibbous, 94% of the Moon is Illuminated
Feb 5
Waxing Gibbous
Feb 7
Full
Feb 14
Last Quarter
Feb 21
New
Feb 29
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 37.4 °F 33.8 °F 35.6 °F 93% 30.12 in 6.0 mi NNW 4.6 mph - 0.00 in   Mostly Cloudy
12:52 AM 37.9 °F 34.4 °F 35.1 °F 89% 30.12 in 7.0 mi North 4.6 mph - 0.00 in   Overcast
1:53 AM 37.9 °F 35.5 °F 34.0 °F 86% 30.11 in 6.0 mi NNW 3.5 mph - 0.00 in Rain Light Rain
2:52 AM 37.9 °F 33.5 °F 34.0 °F 86% 30.11 in 7.0 mi NNW 5.8 mph - 0.00 in   Overcast
3:52 AM 39.0 °F 33.4 °F 33.1 °F 79% 30.10 in 8.0 mi NNE 8.1 mph - 0.00 in Rain Light Rain
4:52 AM 39.0 °F 32.3 °F 30.9 °F 73% 30.10 in 10.0 mi NE 10.4 mph - 0.00 in   Overcast
5:52 AM 37.9 °F 32.7 °F 30.9 °F 76% 30.10 in 10.0 mi NNE 6.9 mph - 0.00 in   Overcast
6:52 AM 37.9 °F 32.7 °F 30.0 °F 73% 30.12 in 10.0 mi NNE 6.9 mph - N/A   Overcast
7:52 AM 37.9 °F 31.5 °F 28.9 °F 70% 30.13 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:52 AM 39.0 °F 31.8 °F 28.9 °F 67% 30.17 in 10.0 mi North 11.5 mph - N/A   Overcast
9:52 AM 39.0 °F 33.4 °F 30.0 °F 70% 30.17 in 10.0 mi NE 8.1 mph - N/A   Overcast
10:52 AM 39.9 °F 34.5 °F 28.9 °F 65% 30.19 in 10.0 mi NE 8.1 mph - N/A   Overcast
11:52 AM 41.0 °F 36.4 °F 28.9 °F 62% 30.19 in 10.0 mi NE 6.9 mph - N/A   Overcast
12:52 PM 43.0 °F 38.8 °F 30.0 °F 60% 30.18 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
1:52 PM 43.0 °F 37.2 °F 28.0 °F 56% 30.18 in 10.0 mi North 10.4 mph 19.6 mph N/A   Overcast
2:52 PM 43.0 °F 37.7 °F 28.9 °F 58% 30.17 in 10.0 mi North 9.2 mph - N/A   Mostly Cloudy
3:52 PM 45.0 °F 41.2 °F 28.9 °F 53% 30.17 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
4:52 PM 43.0 °F 37.2 °F 27.0 °F 53% 30.19 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
5:52 PM 42.1 °F 35.2 °F 26.1 °F 53% 30.21 in 10.0 mi NNW 12.7 mph - N/A   Mostly Cloudy
6:33 PM 42.8 °F 37.5 °F 26.6 °F 53% 30.22 in 10.0 mi NW 9.2 mph - N/A   Scattered Clouds
6:52 PM 41.0 °F 35.8 °F 26.1 °F 55% 30.22 in 10.0 mi NW 8.1 mph - N/A   Partly Cloudy
7:52 PM 41.0 °F 38.0 °F 27.0 °F 57% 30.24 in 10.0 mi WNW 4.6 mph - N/A   Clear
8:52 PM 39.0 °F 35.7 °F 27.0 °F 62% 30.25 in 10.0 mi West 4.6 mph - N/A   Clear
9:52 PM 37.9 °F 33.5 °F 28.0 °F 68% 30.25 in 10.0 mi WNW 5.8 mph - N/A   Clear
10:52 PM 37.0 °F 32.4 °F 27.0 °F 67% 30.25 in 10.0 mi WNW 5.8 mph - N/A   Clear
11:52 PM 35.6 °F 32.8 °F 28.4 °F 75% 30.25 in 10.0 mi SSW 3.5 mph - N/A   Clear