Weather History for Friday Harbor, WA

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Week of December 9, 2012 through December 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 46 °F 43 °F 39 °F
Mean Temperature 44 °F 41 °F 38 °F
Min Temperature 42 °F 38 °F 32 °F
Degree Days  
Heating Degree Days (base 65) 28 25 21 172
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 0 0 0 0
Dew Point  
Dew Point 43 °F 38 °F 31 °F
Precipitation  
Precipitation 0.09 in 0.03 in 0.00 in 0.20 in
Snowdepth - - - -
Wind  
Wind 30 mph 6 mph 0 mph
Gust Wind 47 mph 23 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.43 in 29.94 in 29.49 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Dec. 10, 2012 Rise Set
Actual Time 7:53 AM PST 4:16 PM PST
Civil Twilight 7:16 AM PST 4:53 PM PST
Nautical Twilight 6:37 AM PST 5:33 PM PST
Astronomical Twilight 5:58 AM PST 6:11 PM PST
Moon 4:34 AM PST (12/10) 2:17 PM PST (12/10)
Length of Visible Light 9h 36m
Length of Day
8h 23m
Waning Crescent, 9% of the Moon is Illuminated
Dec 10
Waning Crescent
Dec 13
New
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last 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  
9 39 38 37 39 37 34 97 90 79 30.39 30.34 30.30 10 6 2 9 4 - 0.00 Rain
10 46 42 37 43 40 37 100 91 81 30.43 30.31 30.06 10 10 10 15 2 20 0.00  
11 46 44 42 43 41 39 100 90 81 30.04 29.69 29.54 10 10 4 16 7 22 0.02 Rain
12 44 42 39 43 38 36 100 86 76 30.04 29.81 29.61 10 10 4 8 3 - 0.03 Rain
13 44 42 39 39 38 36 93 87 79 30.05 29.94 29.78 10 10 8 16 5 - 0.00 Rain
14 43 38 32 40 36 31 100 86 70 29.94 29.85 29.78 10 9 5 10 3 - 0.06 Rain
15 42 40 39 37 35 32 93 84 70 29.87 29.63 29.49 10 10 5 30 15 47 0.09 Rain