Weather History for Winchester, VA

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Week of August 18, 2013 through August 24, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 87 °F 79 °F 68 °F
Mean Temperature 77 °F 69 °F 64 °F
Min Temperature 68 °F 60 °F 53 °F
Degree Days  
Heating Degree Days (base 65) 1 0 0 1
Cooling Degree Days (base 65) 12 5 0 33
Growing Degree Days (base 50) 27 19 14 136
Dew Point  
Dew Point 72 °F 64 °F 54 °F
Precipitation  
Precipitation 0.47 in 0.08 in 0.00 in 0.57 in
Snowdepth - - - -
Wind  
Wind 13 mph 2 mph 0 mph
Gust Wind 21 mph 16 mph 9 mph
Sea Level Pressure  
Sea Level Pressure 30.35 in 30.15 in 29.97 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Aug. 21, 2013 Rise Set
Actual Time 6:31 AM EDT 7:59 PM EDT
Civil Twilight 6:03 AM EDT 8:27 PM EDT
Nautical Twilight 5:29 AM EDT 9:00 PM EDT
Astronomical Twilight 4:53 AM EDT 9:36 PM EDT
Moon 8:07 PM EDT (8/21) 7:08 AM EDT (8/21)
Length of Visible Light 14h 23m
Length of Day
13h 27m
Full, 100% of the Moon is Illuminated
Aug 21
Full
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Aug high avg low high avg low high avg low high avg low high avg low high avg high sum  
18 68 64 60 63 61 59 100 94 78 30.28 30.23 30.20 10 10 7 7 1 - 0.09 Rain
19 78 68 59 70 64 59 100 93 69 30.20 30.13 30.08 10 8 1 6 1 - 0.00  
20 84 72 60 70 64 61 100 80 51 30.21 30.16 30.12 10 7 0 7 1 - 0.00 Fog
21 87 74 62 72 67 63 100 84 58 30.22 30.16 30.10 10 9 5 12 2 18 0.01 Rain , Thunderstorm
22 86 77 68 70 66 64 100 77 51 30.12 30.06 29.97 10 10 10 13 5 21 0.00 Rain
23 71 65 59 68 65 59 100 94 73 30.16 30.06 29.98 10 8 2 7 2 - 0.47 Rain , Thunderstorm
24 78 66 53 63 58 54 100 82 42 30.35 30.27 30.16 10 8 0 6 1 - 0.00 Fog