Weather History for Seattle, WA

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Week of December 9, 2012 through December 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 44 °F 40 °F
Mean Temperature 44 °F 41 °F 37 °F
Min Temperature 42 °F 38 °F 33 °F
Degree Days  
Heating Degree Days (base 65) 28 24 21 166
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 37 °F 27 °F
Precipitation  
Precipitation 0.32 in 0.16 in 0.02 in 1.13 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 22 mph 6 mph 0 mph
Gust Wind 29 mph 22 mph 17 mph
Sea Level Pressure  
Sea Level Pressure 30.44 in 29.98 in 29.55 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 13, 2012 Rise Set
Actual Time 7:49 AM PST 4:18 PM PST
Civil Twilight 7:13 AM PST 4:54 PM PST
Nautical Twilight 6:34 AM PST 5:33 PM PST
Astronomical Twilight 5:56 AM PST 6:10 PM PST
Moon 8:01 AM PST (12/13) 5:09 PM PST (12/13)
Length of Visible Light 9h 41m
Length of Day
8h 29m
New Moon, 0% of the Moon is Illuminated
Dec 13
New Moon
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Dec high avg low high avg low high avg low high avg low high avg low high avg high sum  
9 44 41 37 41 38 33 96 88 79 30.40 30.34 30.28 10 5 0 9 5 13 0.06 Fog , Rain
10 45 44 42 43 41 39 96 93 89 30.44 30.34 30.13 10 4 0 13 4 18 0.02 Fog
11 46 44 42 40 39 37 89 83 76 30.09 29.77 29.57 10 10 6 20 10 25 0.12 Rain
12 44 42 40 39 38 37 89 86 82 30.05 29.84 29.62 10 8 3 13 5 17 0.32 Rain
13 45 42 38 37 35 32 92 79 65 30.07 29.97 29.83 10 10 8 13 6 14 0.09 Rain
14 43 39 34 38 35 31 92 81 70 29.97 29.89 29.78 10 7 0 12 4 14 0.31 Fog , Rain
15 40 37 33 36 32 27 89 80 70 29.92 29.70 29.55 10 9 3 22 11 29 0.21 Rain