Weather History for Ketchikan, AK

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Week of May 12, 2013 through May 18, 2013

  Max Avg Min Sum
Temperature  
Max Temperature 55 °F 51 °F 48 °F
Mean Temperature 52 °F 49 °F 46 °F
Min Temperature 48 °F 45 °F 42 °F
Degree Days  
Heating Degree Days (base 65) 19 17 14 118
Cooling Degree Days (base 65) 0 0 0 0
Growing Degree Days (base 50) 2 0 0 2
Dew Point  
Dew Point 50 °F 47 °F 28 °F
Precipitation  
Precipitation 2.04 in 0.76 in 0.05 in 5.35 in
Snowdepth - - - -
Wind  
Wind 22 mph 8 mph 0 mph
Gust Wind 31 mph 23 mph 18 mph
Sea Level Pressure  
Sea Level Pressure 30.38 in 29.88 in 29.61 in

Weekly Weather History Graph

Weekly Weather History Graph

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Astronomy

May. 16, 2013 Rise Set
Actual Time 4:34 AM AKDT 8:52 PM AKDT
Civil Twilight 3:45 AM AKDT 9:42 PM AKDT
Nautical Twilight 2:31 AM AKDT 10:58 PM AKDT
Astronomical Twilight 1:15 AM AKDT 12:10 AM AKDT
Moon 10:36 AM AKDT (5/16) 12:58 AM AKDT (5/16)
Length of Visible Light 17h 56m
Length of Day
16h 17m
Waxing Crescent, 37% of the Moon is Illuminated
May 16
Waxing Crescent
May 17
First Quarter
May 24
Full
May 31
Last Quarter
Jun 8
New

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  
12 51 50 48 50 49 48 100 98 92 29.72 29.66 29.61 10 4 1 16 4 28 0.94 Rain
13 48 47 46 48 46 44 100 94 89 29.85 29.76 29.69 10 6 2 22 15 31 2.04 Rain
14 48 46 44 46 45 43 100 94 87 29.97 29.93 29.85 10 8 2 18 11 26 0.88 Rain
15 51 48 44 50 47 44 100 96 92 30.04 29.97 29.89 10 8 3 13 4 - 0.20 Rain
16 55 52 46 49 48 45 100 92 69 30.04 30.00 29.91 10 8 2 13 6 - 0.05 Rain
17 51 48 46 49 47 46 100 95 93 29.90 29.85 29.81 10 9 4 13 6 18 0.43 Rain
18 54 49 42 47 44 28 100 86 52 30.38 30.02 29.83 10 8 4 17 13 25 0.81 Rain