Weather History for Ketchikan, AK

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 44 °F 37 °F 52 °F (1961)
Min Temperature 37 °F 27 °F 4 °F (1949)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 39 °F    
Average Humidity 93    
Maximum Humidity 100    
Minimum Humidity 76    
Precipitation  
Precipitation 0.08 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 11 mph (SSE)    
Max Wind Speed 26 mph    
Max Gust Speed 38 mph    
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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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 8:14 AM AKST 3:26 PM AKST
Civil Twilight 7:28 AM AKST 4:12 PM AKST
Nautical Twilight 6:40 AM AKST 5:00 PM AKST
Astronomical Twilight 5:55 AM AKST 5:44 PM AKST
Moon 7:46 PM AKST (12/31) 9:21 AM AKST (12/31)
Length of Visible Light 8h 44m
Length of Day
7h 12m
Waning Gibbous, 89% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 42.1 °F 31.9 °F 39.9 °F 92% 29.81 in 10.0 mi SE 26.5 mph 38.0 mph 0.01 in   Overcast
1:53 AM 42.1 °F 32.3 °F 41.0 °F 96% 29.83 in 10.0 mi SE 24.2 mph 31.1 mph 0.00 in   Overcast
3:53 AM 41.0 °F 38.0 °F 41.0 °F 100% 29.94 in 10.0 mi SE 4.6 mph - 0.07 in   Overcast
4:21 AM 42.8 °F 38.0 °F 41.0 °F 93% 29.97 in 10.0 mi ESE 8.1 mph - N/A   Overcast
4:29 AM 42.8 °F 38.6 °F 41.0 °F 93% 29.98 in 10.0 mi SSE 6.9 mph - N/A   Overcast
4:48 AM 44.6 °F 40.2 °F 41.0 °F 87% 29.99 in 10.0 mi SSE 8.1 mph - N/A   Overcast
4:53 AM 44.1 °F 40.1 °F 39.9 °F 85% 30.00 in 10.0 mi Variable 6.9 mph - N/A   Mostly Cloudy
5:53 AM 44.1 °F 42.5 °F 37.0 °F 76% 30.08 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
6:05 AM 42.8 °F 40.1 °F 37.4 °F 81% 30.09 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
6:53 AM 39.9 °F 35.1 °F 37.9 °F 93% 30.13 in 10.0 mi SE 6.9 mph - 0.00 in   Mostly Cloudy
7:53 AM 39.0 °F 35.7 °F 37.0 °F 93% 30.17 in 10.0 mi SSE 4.6 mph - N/A   Scattered Clouds
8:53 AM 37.0 °F 32.4 °F 37.0 °F 100% 30.23 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
9:53 AM 39.9 °F 37.8 °F 37.9 °F 93% 30.27 in 10.0 mi SE 3.5 mph - N/A   Overcast
10:53 AM 42.1 °F 39.2 °F 39.9 °F 92% 30.28 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
11:53 AM 43.0 °F 40.3 °F 39.9 °F 89% 30.30 in 10.0 mi SE 4.6 mph - N/A   Mostly Cloudy
12:53 PM 43.0 °F 40.3 °F 39.9 °F 89% 30.31 in 10.0 mi SE 4.6 mph - N/A   Scattered Clouds
1:53 PM 41.0 °F 39.0 °F 39.9 °F 96% 30.30 in 10.0 mi SE 3.5 mph - N/A   Scattered Clouds
2:53 PM 39.0 °F 35.7 °F 37.9 °F 96% 30.33 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
3:53 PM 37.9 °F 34.4 °F 35.1 °F 89% 30.35 in 10.0 mi South 4.6 mph - N/A   Scattered Clouds
4:53 PM 39.0 °F 34.0 °F 36.0 °F 89% 30.38 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
5:53 PM 39.0 °F 34.0 °F 37.9 °F 96% 30.40 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
6:53 PM 37.0 °F - 37.0 °F 100% 30.40 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 PM 37.0 °F 34.5 °F 37.0 °F 100% 30.37 in 10.0 mi SSE 3.5 mph - N/A   Mostly Cloudy
8:00 PM 37.4 °F 34.9 °F 37.4 °F 100% 30.37 in 10.0 mi SE 3.5 mph - N/A   Overcast
8:53 PM 39.0 °F 34.0 °F 37.9 °F 96% 30.37 in 10.0 mi South 6.9 mph - N/A   Overcast
9:53 PM 39.9 °F 35.1 °F 39.0 °F 97% 30.38 in 10.0 mi South 6.9 mph - N/A   Overcast
11:09 PM 39.2 °F 33.6 °F 39.2 °F 100% 30.37 in 10.0 mi South 8.1 mph - N/A   Overcast
11:53 PM 39.9 °F 35.1 °F 37.9 °F 93% 30.38 in 10.0 mi SSE 6.9 mph - N/A   Overcast