Weather History for Ketchikan, AK

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Friday, September 20, 2013

  Actual Average Record
Temperature  
Mean Temperature 56 °F -  
Max Temperature 59 °F 59 °F 73 °F (1975)
Min Temperature 53 °F 46 °F 37 °F (1996)
Degree Days  
Heating Degree Days 9    
Growing Degree Days 6 (Base 50)    
Moisture  
Dew Point 55 °F    
Average Humidity 97    
Maximum Humidity 100    
Minimum Humidity 88    
Precipitation  
Precipitation 1.17 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.37 in    
Wind  
Wind Speed 20 mph (SE)    
Max Wind Speed 25 mph    
Max Gust Speed 43 mph    
Visibility 9 miles    
Events Rain    
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

Sep. 20, 2013 Rise Set
Actual Time 6:29 AM AKDT 6:49 PM AKDT
Civil Twilight 5:52 AM AKDT 7:26 PM AKDT
Nautical Twilight 5:08 AM AKDT 8:09 PM AKDT
Astronomical Twilight 4:22 AM AKDT 8:56 PM AKDT
Moon 7:02 PM AKDT (9/20) 8:13 AM AKDT (9/20)
Length of Visible Light 13h 33m
Length of Day
12h 20m
Full, 98% of the Moon is Illuminated
Sep 20
Full
Sep 26
Last Quarter
Oct 4
New
Oct 11
First Quarter
Oct 18
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 57.0 °F 57.0 °F 100% 29.21 in 8.0 mi SE 24.2 mph 29.9 mph 0.17 in Rain Light Rain
1:39 AM 59.0 °F 55.4 °F 88% 29.19 in 10.0 mi SE 25.3 mph 35.7 mph 0.01 in Rain Light Rain
1:53 AM 57.9 °F 55.9 °F 93% 29.20 in 7.0 mi SSE 20.7 mph 33.4 mph 0.04 in Rain Rain
2:53 AM 57.0 °F 55.9 °F 96% 29.21 in 8.0 mi SE 21.9 mph 31.1 mph 0.11 in Rain Light Rain
3:27 AM 55.4 °F 55.4 °F 100% 29.21 in 10.0 mi SE 19.6 mph - 0.01 in Rain Light Rain
3:53 AM 57.9 °F 55.9 °F 93% 29.22 in 10.0 mi SE 25.3 mph 35.7 mph 0.01 in   Overcast
4:53 AM 57.0 °F 55.9 °F 96% 29.23 in 10.0 mi SE 21.9 mph 29.9 mph 0.00 in   Overcast
5:53 AM 57.0 °F 55.0 °F 93% 29.25 in 10.0 mi SE 18.4 mph - 0.00 in   Overcast
6:53 AM 57.0 °F 54.0 °F 89% 29.27 in 10.0 mi SE 20.7 mph 29.9 mph 0.03 in Rain Light Rain
7:53 AM 55.9 °F 55.0 °F 97% 29.29 in 9.0 mi SE 13.8 mph 24.2 mph 0.12 in Rain Rain
8:53 AM 55.9 °F 54.0 °F 93% 29.30 in 9.0 mi SSE 20.7 mph 31.1 mph 0.19 in Rain Light Rain
9:53 AM 55.4 °F 55.4 °F 100% 29.32 in 6.0 mi SSE 23.0 mph 41.4 mph N/A Rain Light Rain
10:53 AM 57.2 °F 55.4 °F 94% 29.34 in 10.0 mi SSE 23.0 mph 42.6 mph N/A   Overcast
11:53 AM 57.2 °F 55.4 °F 94% 29.36 in 10.0 mi SSE 24.2 mph 41.4 mph N/A Rain Light Rain
12:53 PM 55.4 °F 55.4 °F 100% 29.38 in 4.0 mi SE 20.7 mph 36.8 mph N/A Rain Rain
1:50 PM 55.4 °F 55.4 °F 100% 29.39 in 3.0 mi SE 21.9 mph 35.7 mph 0.18 in Rain Heavy Rain
1:53 PM 55.0 °F 55.0 °F 100% 29.40 in 3.0 mi SE 23.0 mph 35.7 mph 0.19 in Rain Rain
2:53 PM 55.9 °F 55.9 °F 100% 29.43 in 6.0 mi SSE 16.1 mph 28.8 mph 0.30 in Rain Light Rain
3:53 PM 55.4 °F 55.4 °F 100% 29.46 in 10.0 mi SE 16.1 mph - N/A Rain Light Rain
4:53 PM 55.0 °F 55.0 °F 100% 29.48 in 10.0 mi SE 16.1 mph - 0.01 in Rain Light Rain
5:53 PM 55.0 °F 55.0 °F 100% 29.49 in 10.0 mi SE 15.0 mph 23.0 mph 0.00 in   Overcast
6:12 PM 55.4 °F 53.6 °F 94% 29.49 in 10.0 mi SE 16.1 mph - N/A   Mostly Cloudy
6:53 PM 54.0 °F 54.0 °F 100% 29.51 in 10.0 mi SE 17.3 mph - N/A   Mostly Cloudy
7:53 PM 53.1 °F 53.1 °F 100% 29.53 in 10.0 mi SE 10.4 mph - N/A   Mostly Cloudy
8:53 PM 54.0 °F 53.1 °F 97% 29.53 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
9:53 PM 53.1 °F 52.0 °F 96% 29.54 in 10.0 mi SSE 8.1 mph - N/A   Overcast
10:53 PM 53.1 °F 52.0 °F 96% 29.53 in 10.0 mi SSE 6.9 mph - N/A   Overcast
11:53 PM 53.1 °F 53.1 °F 100% 29.53 in 10.0 mi SSE 4.6 mph - N/A   Overcast