Weather History for Friday Harbor, WA

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Week of September 9, 2012 through September 15, 2012

  Max Avg Min Sum
Temperature  
Max Temperature 73 °F 68 °F 64 °F
Mean Temperature 60 °F 57 °F 52 °F
Min Temperature 55 °F 46 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 12 8 6 56
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 10 7 2 48
Dew Point  
Dew Point 54 °F 46 °F 37 °F
Precipitation  
Precipitation 0.00 in 0.00 in 0.00 in 0.00 in
Snowdepth - - - -
Wind  
Wind 15 mph 4 mph 0 mph
Gust Wind 26 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.40 in 30.16 in 29.92 in

Weekly Weather History Graph

Weekly Weather History Graph

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Date:

Astronomy

Sep. 15, 2012 Rise Set
Actual Time 6:49 AM PDT 7:23 PM PDT
Civil Twilight 6:18 AM PDT 7:54 PM PDT
Nautical Twilight 5:40 AM PDT 8:32 PM PDT
Astronomical Twilight 5:01 AM PDT 9:11 PM PDT
Moon 6:29 AM PDT (9/15) 6:51 PM PDT (9/15)
Length of Visible Light 13h 36m
Length of Day
12h 33m
Waning Crescent, 0% of the Moon is Illuminated
Sep 15
Waning Crescent
Sep 15
New
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter

Daily Weather History & Observations

2012 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
Sep high avg low high avg low high avg low high avg low high avg low high avg high sum  
9 66 60 55 54 52 47 96 78 62 30.00 29.95 29.92 10 9 4 10 6 - 0.00 Rain
10 64 57 50 51 45 40 93 70 43 30.23 30.11 29.95 10 10 10 15 8 26 0.00 Rain
11 64 53 43 47 41 38 97 69 40 30.35 30.32 30.24 10 10 10 7 3 - 0.00  
12 66 52 39 48 43 37 89 67 38 30.40 30.34 30.27 10 10 10 9 3 - 0.00  
13 73 60 46 50 46 42 89 67 37 30.27 30.18 30.07 10 10 7 8 2 - 0.00  
14 73 58 44 52 46 41 90 68 34 30.12 30.08 30.03 10 10 10 9 2 - 0.00  
15 71 58 46 51 48 45 97 73 47 30.19 30.16 30.10 10 10 9 7 2 - 0.00