Weather History for Seattle, WA

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Week of December 23, 2012 through December 29, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 47 °F 44 °F 41 °F
Mean Temperature 43 °F 41 °F 40 °F
Min Temperature 39 °F 38 °F 37 °F
Degree Days  
Heating Degree Days (base 65) 25 24 22 167
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 40 °F 35 °F 28 °F
Precipitation  
Precipitation 0.53 in 0.20 in 0.01 in 1.20 in
Snowdepth 0.0 in 0.0 in 0.0 in -
Wind  
Wind 21 mph 7 mph 0 mph
Gust Wind 29 mph 22 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.25 in 29.97 in 29.64 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

Dec. 25, 2012 Rise Set
Actual Time 7:55 AM PST 4:23 PM PST
Civil Twilight 7:19 AM PST 4:59 PM PST
Nautical Twilight 6:40 AM PST 5:38 PM PST
Astronomical Twilight 6:03 AM PST 6:16 PM PST
Moon 2:38 PM PST (12/25) 5:29 AM PST (12/25)
Length of Visible Light 9h 39m
Length of Day
8h 27m
Waxing Gibbous, 94% of the Moon is Illuminated
Dec 25
Waxing Gibbous
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

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  
23 45 42 38 38 35 32 92 80 67 29.84 29.73 29.64 10 9 6 13 6 16 0.26 Rain
24 42 40 37 39 36 34 92 89 85 30.19 30.08 29.87 10 10 7 14 6 18 0.01 Rain
25 42 40 37 34 32 30 85 74 62 30.04 29.77 29.66 10 9 5 20 9 26 0.53 Rain , Snow
26 44 41 38 40 36 30 86 76 65 29.93 29.81 29.72 10 10 7 21 11 29 0.18 Rain
27 46 42 38 39 37 33 93 82 70 30.19 30.09 29.95 10 9 2 17 7 22 0.16 Rain
28 47 43 39 37 34 30 79 70 60 30.18 30.15 30.13 10 10 10 9 4 12 T Rain
29 41 40 38 36 33 28 92 78 64 30.25 30.19 30.15 10 9 4 9 4 13 0.06 Rain