Weather History for Washington, DC

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Friday, March 7, 2008

  Actual Average Record
Temperature  
Mean Temperature 45 °F 44 °F  
Max Temperature 50 °F 53 °F 77 °F (1961)
Min Temperature 39 °F 35 °F 13 °F (1890)
Degree Days  
Heating Degree Days 20 21  
Month to date heating degree days 106 154  
Since 1 July heating degree days 2811 3262  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 0  
Moisture  
Dew Point 42 °F    
Average Humidity 82    
Maximum Humidity 93    
Minimum Humidity 70    
Precipitation  
Precipitation 0.59 in 0.10 in 1.32 in (1880)
Month to date precipitation 1.43 0.67  
Year to date precipitation 6.97 6.10  
Snow  
Snow 0.00 in 0.10 in 8.00 in (1941)
Month to date snowfall 0.0 0.6  
Since 1 July snowfall 4.9 14.7  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 8 mph (NNE)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 5 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 07, 2008 Rise Set
Actual Time 6:31 AM EST 6:07 PM EST
Civil Twilight 6:04 AM EST 6:34 PM EST
Nautical Twilight 5:33 AM EST 7:05 PM EST
Astronomical Twilight 5:02 AM EST 7:36 PM EST
Moon 6:21 AM EST (3/7) 6:23 PM EST (3/7)
Length of Visible Light 12h 29m
Length of Day
11h 36m
Waning Crescent, 0% of the Moon is Illuminated
Mar 7
Waning Crescent
Mar 7
New
Mar 14
First Quarter
Mar 21
Full
Mar 29
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 44.1 °F - 37.0 °F 76% 30.22 in 10.0 mi Calm Calm - N/A   Clear
1:52 AM 42.1 °F 38.4 °F 35.1 °F 76% 30.21 in 9.0 mi NE 5.8 mph - N/A   Clear
2:52 AM 41.0 °F 38.0 °F 35.1 °F 79% 30.19 in 8.0 mi NE 4.6 mph - N/A   Clear
3:52 AM 39.9 °F 34.5 °F 35.1 °F 83% 30.18 in 6.0 mi NE 8.1 mph - N/A   Haze
4:52 AM 39.9 °F 35.8 °F 35.1 °F 83% 30.17 in 6.0 mi NE 5.8 mph - N/A   Haze
5:32 AM 39.2 °F 33.6 °F 35.6 °F 87% 30.18 in 6.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
5:52 AM 39.9 °F 35.8 °F 36.0 °F 86% 30.18 in 6.0 mi NE 5.8 mph - N/A   Mostly Cloudy
6:02 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.18 in 4.0 mi NNE 5.8 mph - N/A   Overcast
6:43 AM 41.0 °F 36.4 °F 37.4 °F 87% 30.18 in 4.0 mi NNE 6.9 mph - N/A   Overcast
6:52 AM 41.0 °F 35.2 °F 37.0 °F 86% 30.18 in 4.0 mi NNE 9.2 mph - N/A   Overcast
7:24 AM 41.0 °F 34.3 °F 37.4 °F 87% 30.18 in 4.0 mi NNE 11.5 mph - N/A   Overcast
7:31 AM 41.0 °F 34.7 °F 37.4 °F 87% 30.18 in 4.0 mi NNE 10.4 mph - N/A   Overcast
7:52 AM 41.0 °F 34.3 °F 37.9 °F 89% 30.18 in 4.0 mi NNE 11.5 mph - N/A   Overcast
8:28 AM 42.8 °F 37.0 °F 39.2 °F 87% 30.17 in 4.0 mi NE 10.4 mph - N/A   Overcast
8:52 AM 44.1 °F 38.1 °F 39.0 °F 82% 30.16 in 4.0 mi NE 11.5 mph - N/A   Haze
8:59 AM 44.6 °F 38.8 °F 39.2 °F 81% 30.15 in 5.0 mi NE 11.5 mph - N/A   Haze
9:52 AM 46.0 °F 40.6 °F 39.9 °F 79% 30.12 in 8.0 mi NE 11.5 mph - N/A   Overcast
10:52 AM 48.9 °F - 41.0 °F 74% 30.07 in 9.0 mi ENE 11.5 mph - N/A   Overcast
11:34 AM 48.2 °F - 39.2 °F 71% 30.06 in 10.0 mi East 10.4 mph - N/A   Overcast
11:52 AM 48.0 °F - 39.9 °F 74% 30.06 in 10.0 mi East 8.1 mph - N/A   Overcast
12:52 PM 48.0 °F - 39.9 °F 74% 30.02 in 10.0 mi NE 8.1 mph - N/A   Overcast
1:52 PM 46.9 °F - 42.1 °F 83% 29.94 in 6.0 mi ENE 10.4 mph - 0.04 in Rain Light Rain
2:14 PM 46.4 °F 41.9 °F 42.8 °F 87% 29.91 in 5.0 mi NE 9.2 mph - 0.02 in Rain Light Rain
2:47 PM 46.4 °F 42.4 °F 44.6 °F 93% 29.90 in 2.5 mi NE 8.1 mph - 0.05 in Rain Rain
2:52 PM 46.9 °F - 44.1 °F 90% 29.89 in 2.5 mi NE 10.4 mph - 0.05 in Rain Rain
3:05 PM 46.4 °F 40.7 °F 44.6 °F 93% 29.87 in 2.5 mi ENE 12.7 mph - 0.03 in Rain Rain
3:16 PM 46.4 °F 41.9 °F 44.6 °F 93% 29.87 in 3.0 mi NE 9.2 mph - 0.06 in Rain Light Rain
3:43 PM 48.2 °F - 44.6 °F 87% 29.87 in 2.5 mi NE 8.1 mph - 0.11 in Rain Rain
3:52 PM 48.0 °F - 45.0 °F 89% 29.86 in 2.0 mi NE 6.9 mph - 0.15 in Rain Rain
4:34 PM 48.2 °F - 46.4 °F 93% 29.81 in 1.8 mi NE 10.4 mph - 0.14 in Rain Heavy Rain
4:52 PM 48.0 °F - 46.0 °F 93% 29.80 in 1.5 mi NE 11.5 mph - 0.21 in Rain Light Rain
5:02 PM 48.2 °F - 46.4 °F 93% 29.79 in 2.5 mi NE 11.5 mph - 0.01 in Rain Light Rain
5:05 PM 48.2 °F - 46.4 °F 93% 29.79 in 2.5 mi NE 11.5 mph - 0.01 in Rain Light Rain
5:10 PM 48.2 °F - 46.4 °F 93% 29.79 in 3.0 mi NE 8.1 mph - 0.01 in Rain Light Rain
5:52 PM 48.9 °F - 46.9 °F 93% 29.77 in 7.0 mi North 3.5 mph - 0.04 in Rain Light Rain
6:52 PM 48.9 °F - 46.9 °F 93% 29.75 in 5.0 mi North 6.9 mph - 0.04 in Rain Light Rain
7:12 PM 48.2 °F - 46.4 °F 93% 29.74 in 2.5 mi North 8.1 mph - 0.02 in Rain Light Rain
7:26 PM 50.0 °F - 48.2 °F 94% 29.74 in 3.0 mi North 6.9 mph - 0.04 in Rain Light Rain
7:52 PM 50.0 °F - 46.9 °F 89% 29.73 in 4.0 mi NNW 12.7 mph - 0.05 in Rain Light Rain
8:52 PM 48.9 °F - 46.0 °F 90% 29.72 in 5.0 mi NW 9.2 mph - 0.00 in Rain Light Rain
9:21 PM 48.2 °F - 44.6 °F 87% 29.72 in 10.0 mi NW 10.4 mph - 0.01 in   Overcast
9:52 PM 48.0 °F - 45.0 °F 89% 29.70 in 10.0 mi North 6.9 mph - 0.01 in   Overcast
10:24 PM 48.2 °F - 46.4 °F 93% 29.70 in 9.0 mi West 3.5 mph - N/A   Overcast
10:52 PM 48.0 °F - 45.0 °F 89% 29.71 in 8.0 mi West 5.8 mph - N/A   Overcast
11:52 PM 46.9 °F - 43.0 °F 86% 29.72 in 6.0 mi NW 8.1 mph - N/A   Overcast