Weather History for Ketchikan, AK

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Friday, August 23, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 66 °F 63 °F 75 °F (1954)
Min Temperature 48 °F 50 °F 41 °F (1976)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 91    
Maximum Humidity 100    
Minimum Humidity 67    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.77 in    
Wind  
Wind Speed 5 mph (NW)    
Max Wind Speed 13 mph    
Max Gust Speed -    
Visibility 10 miles    
Events      
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Aug. 23, 2013 Rise Set
Actual Time 5:36 AM AKDT 8:01 PM AKDT
Civil Twilight 4:55 AM AKDT 8:41 PM AKDT
Nautical Twilight 4:03 AM AKDT 9:32 PM AKDT
Astronomical Twilight 2:59 AM AKDT 10:35 PM AKDT
Moon 8:37 PM AKDT (8/23) 9:21 AM AKDT (8/23)
Length of Visible Light 15h 45m
Length of Day
14h 25m
Waning Gibbous, 90% of the Moon is Illuminated
Aug 23
Waning Gibbous
Aug 28
Last Quarter
Sep 5
New
Sep 12
First Quarter
Sep 19
Full

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 48.9 °F 48.9 °F 100% 29.86 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 51.1 °F 51.1 °F 100% 29.86 in 10.0 mi WNW 3.5 mph - N/A   Clear
2:04 AM 51.8 °F 51.8 °F 100% 29.85 in 10.0 mi NW 4.6 mph - N/A   Scattered Clouds
2:14 AM 51.8 °F 51.8 °F 100% 29.85 in 10.0 mi WNW 3.5 mph - N/A   Mostly Cloudy
2:53 AM 52.0 °F 52.0 °F 100% 29.84 in 10.0 mi NW 3.5 mph - N/A   Overcast
3:53 AM 52.0 °F 52.0 °F 100% 29.83 in 10.0 mi NW 5.8 mph - N/A   Overcast
4:15 AM 51.8 °F 51.8 °F 100% 29.82 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
4:53 AM 52.0 °F 52.0 °F 100% 29.82 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
5:13 AM 51.8 °F 51.8 °F 100% 29.81 in 10.0 mi NW 5.8 mph - N/A   Mostly Cloudy
5:53 AM 53.1 °F 53.1 °F 100% 29.81 in 10.0 mi NW 5.8 mph - N/A   Overcast
6:03 AM 51.8 °F 51.8 °F 100% 29.81 in 10.0 mi WNW 4.6 mph - N/A   Scattered Clouds
6:53 AM 53.1 °F 53.1 °F 100% 29.81 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
7:53 AM 55.9 °F 55.9 °F 100% 29.80 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
7:57 AM 55.4 °F 55.4 °F 100% 29.79 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
8:53 AM 57.9 °F 55.9 °F 93% 29.78 in 10.0 mi NW 12.7 mph - N/A   Mostly Cloudy
9:53 AM 59.0 °F 55.9 °F 90% 29.78 in 10.0 mi NNW 10.4 mph - N/A   Mostly Cloudy
10:53 AM 59.0 °F 55.9 °F 90% 29.77 in 10.0 mi NNW 11.5 mph - N/A   Overcast
11:53 AM 60.1 °F 55.0 °F 83% 29.77 in 10.0 mi NNW 11.5 mph - N/A   Overcast
12:53 PM 60.1 °F 55.9 °F 86% 29.76 in 10.0 mi NW 10.4 mph - N/A   Mostly Cloudy
1:53 PM 62.1 °F 55.0 °F 78% 29.75 in 10.0 mi NW 8.1 mph - N/A   Overcast
2:53 PM 64.0 °F 53.1 °F 67% 29.73 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
3:53 PM 64.0 °F 54.0 °F 70% 29.72 in 10.0 mi NW 9.2 mph - N/A   Mostly Cloudy
4:53 PM 64.0 °F 53.1 °F 67% 29.71 in 10.0 mi NW 8.1 mph - N/A   Mostly Cloudy
5:53 PM 62.1 °F 55.0 °F 78% 29.70 in 10.0 mi NW 6.9 mph - N/A   Scattered Clouds
6:53 PM 61.0 °F 54.0 °F 78% 29.69 in 10.0 mi WNW 3.5 mph - N/A   Scattered Clouds
7:53 PM 59.0 °F 55.0 °F 87% 29.70 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
8:53 PM 57.0 °F 55.0 °F 93% 29.70 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
9:53 PM 57.0 °F 55.9 °F 96% 29.70 in 10.0 mi Calm Calm - N/A   Overcast
10:53 PM 57.0 °F 55.0 °F 93% 29.70 in 10.0 mi SE 3.5 mph - N/A   Overcast
11:53 PM 57.9 °F 55.9 °F 93% 29.70 in 10.0 mi Calm Calm - N/A   Overcast