Weather History for Washington, DC

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Week of July 4, 2010 through July 10, 2010

  Max Avg Min Sum
Temperature  
Max Temperature 102 °F 95 °F 83 °F
Mean Temperature 91 °F 86 °F 79 °F
Min Temperature 80 °F 75 °F 67 °F
Degree Days  
Heating Degree Days (base 65) 0 0 0 0
Cooling Degree Days (base 65) 26 21 14 145
Growing Degree Days (base 50) 40 35 27 244
Dew Point  
Dew Point 72 °F 66 °F 53 °F
Precipitation  
Precipitation 1.17 in 0.17 in 0.00 in 1.19 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 21 mph 6 mph 0 mph
Gust Wind 26 mph 20 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.12 in 29.98 in 29.80 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Jul. 04, 2010 Rise Set
Actual Time 5:48 AM EDT 8:36 PM EDT
Civil Twilight 5:16 AM EDT 9:08 PM EDT
Nautical Twilight 4:36 AM EDT 9:48 PM EDT
Astronomical Twilight 3:50 AM EDT 10:33 PM EDT
Moon 12:13 AM EDT (7/4) 1:33 PM EDT (7/4)
Length of Visible Light 15h 52m
Length of Day
14h 48m
Waning Gibbous, 49% of the Moon is Illuminated
Jul 4
Waning Gibbous
Jul 11
New
Jul 18
First Quarter
Jul 25
Full
Aug 3
Last Quarter

Daily Weather History & Observations

2010 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Jul high avg low high avg low high avg low high avg low high avg low high avg high sum  
4 94 81 67 65 59 55 73 51 28 30.12 30.05 29.98 10 10 9 14 7 17 0.00  
5 99 86 73 71 64 60 73 52 30 30.06 30.02 29.99 10 8 6 14 5 21 0.00  
6 102 90 77 72 65 53 74 48 21 30.06 30.03 29.99 10 7 4 12 4 21 0.00  
7 102 91 80 70 67 61 67 48 29 30.05 30.00 29.96 8 7 5 14 5 22 0.00  
8 95 88 80 72 69 67 74 59 44 30.02 29.99 29.94 10 8 4 16 7 20 0.00  
9 93 85 76 70 68 64 82 61 39 30.00 29.92 29.80 10 10 5 14 6 18 0.02 Rain
10 83 79 74 72 70 64 87 73 58 29.90 29.84 29.80 10 5 1 21 10 26 1.17 Rain