Weather History for Washington, DC

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Monday, April 7, 2008

  Actual Average Record
Temperature  
Mean Temperature 47 °F 54 °F  
Max Temperature 49 °F 64 °F 94 °F (1929)
Min Temperature 44 °F 44 °F 24 °F (1982)
Degree Days  
Heating Degree Days 18 11  
Month to date heating degree days 86 86  
Since 1 July heating degree days 3278 3762  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 0 2  
Moisture  
Dew Point 41 °F    
Average Humidity 80    
Maximum Humidity 89    
Minimum Humidity 71    
Precipitation  
Precipitation T in 0.11 in 1.04 in (1988)
Month to date precipitation 1.23 0.77  
Year to date precipitation 9.57 9.68  
Snow  
Snow 0.00 in 0.00 in 0.60 in (1972)
Month to date snowfall 0.0 0.0  
Since 1 July snowfall 4.9 15.4  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.29 in    
Wind  
Wind Speed 8 mph (ENE)    
Max Wind Speed 14 mph    
Max Gust Speed 16 mph    
Visibility 7 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Apr. 07, 2008 Rise Set
Actual Time 6:42 AM EDT 7:37 PM EDT
Civil Twilight 6:15 AM EDT 8:05 PM EDT
Nautical Twilight 5:43 AM EDT 8:37 PM EDT
Astronomical Twilight 5:10 AM EDT 9:10 PM EDT
Moon 7:12 AM EDT (4/7) 9:59 PM EDT (4/7)
Length of Visible Light 13h 49m
Length of Day
12h 54m
Waxing Crescent, 3% of the Moon is Illuminated
Apr 7
Waxing Crescent
Apr 12
First Quarter
Apr 20
Full
Apr 28
Last Quarter
May 5
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 41.4 °F 41.0 °F 83% 30.25 in 8.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
1:38 AM 46.4 °F 42.9 °F 41.0 °F 81% 30.26 in 10.0 mi NE 6.9 mph - 0.00 in   Overcast
1:52 AM 46.0 °F 43.9 °F 41.0 °F 83% 30.26 in 10.0 mi ENE 4.6 mph - 0.00 in   Overcast
2:52 AM 46.0 °F 42.5 °F 39.9 °F 79% 30.26 in 10.0 mi East 6.9 mph - 0.00 in Rain Light Rain
3:52 AM 45.0 °F 41.2 °F 41.0 °F 86% 30.26 in 5.0 mi NE 6.9 mph - 0.00 in   Light Drizzle
4:44 AM 44.6 °F 40.2 °F 41.0 °F 87% 30.26 in 7.0 mi ENE 8.1 mph - 0.00 in   Light Drizzle
4:52 AM 45.0 °F 40.6 °F 41.0 °F 86% 30.26 in 6.0 mi ENE 8.1 mph - 0.00 in   Light Drizzle
5:08 AM 44.6 °F 40.2 °F 41.0 °F 87% 30.26 in 6.0 mi ENE 8.1 mph - 0.00 in   Light Drizzle
5:29 AM 44.6 °F 38.8 °F 42.8 °F 93% 30.25 in 6.0 mi ENE 11.5 mph - 0.00 in   Light Drizzle
5:52 AM 45.0 °F 40.1 °F 41.0 °F 86% 30.25 in 6.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
5:59 AM 44.6 °F 40.2 °F 41.0 °F 87% 30.25 in 10.0 mi ENE 8.1 mph - 0.00 in   Overcast
6:52 AM 45.0 °F 40.1 °F 41.0 °F 86% 30.27 in 5.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
7:06 AM 44.6 °F 40.2 °F 41.0 °F 87% 30.27 in 6.0 mi ENE 8.1 mph - 0.00 in   Light Drizzle
7:20 AM 44.6 °F 39.7 °F 41.0 °F 87% 30.27 in 6.0 mi East 9.2 mph - 0.00 in   Light Drizzle
7:52 AM 44.1 °F 39.5 °F 39.9 °F 85% 30.29 in 6.0 mi ENE 8.1 mph - 0.00 in   Light Drizzle
8:52 AM 44.1 °F 38.1 °F 39.9 °F 85% 30.30 in 6.0 mi ENE 11.5 mph - 0.00 in   Light Drizzle
9:52 AM 44.1 °F 39.0 °F 39.9 °F 85% 30.31 in 6.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
10:35 AM 44.6 °F 39.7 °F 41.0 °F 87% 30.32 in 4.0 mi NE 9.2 mph - 0.00 in   Light Drizzle
10:52 AM 45.0 °F 40.1 °F 41.0 °F 86% 30.32 in 3.0 mi ENE 9.2 mph - 0.00 in   Light Drizzle
11:02 AM 44.6 °F 39.2 °F 41.0 °F 87% 30.33 in 2.5 mi ENE 10.4 mph - 0.00 in   Light Drizzle
11:29 AM 44.6 °F 40.2 °F 42.8 °F 93% 30.33 in 3.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
11:37 AM 44.6 °F 40.2 °F 41.0 °F 87% 30.33 in 3.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
11:52 AM 45.0 °F 40.6 °F 41.0 °F 86% 30.32 in 3.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
12:01 PM 44.6 °F 40.7 °F 42.8 °F 93% 30.33 in 2.5 mi NE 6.9 mph - 0.00 in   Light Drizzle
12:28 PM 46.4 °F 42.4 °F 42.8 °F 87% 30.32 in 3.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
12:52 PM 46.0 °F 41.9 °F 42.1 °F 86% 30.32 in 5.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
1:08 PM 46.4 °F 42.4 °F 42.8 °F 87% 30.31 in 8.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
1:18 PM 46.4 °F 42.4 °F 42.8 °F 87% 30.31 in 9.0 mi NE 8.1 mph - 0.00 in   Light Drizzle
1:52 PM 46.9 °F - 42.1 °F 83% 30.31 in 10.0 mi NE 9.2 mph - 0.00 in   Overcast
2:52 PM 48.0 °F - 41.0 °F 77% 30.30 in 10.0 mi ENE 9.2 mph - N/A   Overcast
3:12 PM 48.2 °F - 41.0 °F 76% 30.29 in 10.0 mi East 11.5 mph - N/A   Overcast
3:52 PM 48.9 °F - 41.0 °F 74% 30.28 in 10.0 mi ENE 9.2 mph - N/A   Overcast
4:52 PM 48.0 °F - 41.0 °F 77% 30.28 in 10.0 mi ESE 8.1 mph - N/A   Overcast
5:52 PM 48.0 °F - 41.0 °F 77% 30.27 in 10.0 mi ENE 9.2 mph - N/A   Overcast
6:52 PM 48.0 °F - 39.9 °F 74% 30.28 in 10.0 mi East 6.9 mph - N/A   Overcast
7:52 PM 48.0 °F - 39.9 °F 74% 30.28 in 10.0 mi East 6.9 mph - N/A   Overcast
8:52 PM 48.0 °F - 41.0 °F 77% 30.29 in 10.0 mi ENE 6.9 mph - N/A   Overcast
9:52 PM 48.0 °F - 41.0 °F 77% 30.32 in 10.0 mi East 4.6 mph - N/A   Overcast
10:52 PM 48.2 °F - 41.0 °F 76% 30.31 in 10.0 mi ENE 5.8 mph - N/A   Overcast
11:52 PM 48.0 °F - 41.0 °F 77% 30.32 in 10.0 mi NE 6.9 mph - N/A   Overcast