Weather History for Ketchikan, AK

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Week of May 19, 2013 through May 25, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 66 °F 59 °F 50 °F
Mean Temperature 58 °F 52 °F 44 °F
Min Temperature 51 °F 46 °F 39 °F
Degree Days  
Heating Degree Days (base 65) 20 13 7 91
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 8 4 0 25
Dew Point  
Dew Point 49 °F 39 °F 31 °F
Precipitation  
Precipitation 0.02 in 0.01 in 0.00 in 0.05 in
Snowdepth - - - -
Wind  
Wind 18 mph 8 mph 0 mph
Gust Wind 28 mph 21 mph 16 mph
Sea Level Pressure  
Sea Level Pressure 30.53 in 30.10 in 29.88 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 22, 2013 Rise Set
Actual Time 4:25 AM AKDT 9:03 PM AKDT
Civil Twilight 3:33 AM AKDT 9:54 PM AKDT
Nautical Twilight 2:09 AM AKDT 11:20 PM AKDT
Astronomical Twilight Sun does not rise Sun does not rise
Moon 6:10 PM AKDT (5/22) 3:04 AM AKDT (5/22)
Length of Visible Light 18h 20m
Length of Day
16h 37m
Waxing Gibbous, 92% of the Moon is Illuminated
May 22
Waxing Gibbous
May 24
Full
May 31
Last Quarter
Jun 8
New
Jun 16
First Quarter

Daily Weather History & Observations

2013 Temp. (°F) Dew Point (°F) Humidity (%) Sea Level Press. (in) Visibility (mi) Wind (mph) Precip. (in) Events
May high avg low high avg low high avg low high avg low high avg low high avg high sum  
19 50 44 39 39 36 32 89 75 54 30.53 30.48 30.39 10 10 6 13 4 - 0.01 Rain
20 52 45 39 36 34 31 86 64 52 30.49 30.32 30.15 10 10 10 17 8 22 0.00 Rain
21 66 56 45 40 34 32 68 48 28 30.14 30.01 29.94 10 10 10 17 12 28 0.00  
22 66 58 51 42 37 34 63 45 36 29.99 29.96 29.93 10 10 10 14 11 22 0.00  
23 64 58 51 49 40 35 92 52 41 29.97 29.92 29.88 10 10 10 18 10 - 0.00  
24 54 51 48 48 46 43 93 85 72 30.07 29.99 29.94 10 10 10 13 6 - 0.02 Rain
25 61 52 48 48 46 45 96 78 62 30.07 30.04 30.01 10 10 10 12 5 - 0.02 Rain