Weather History for Ketchikan, AK

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Thursday, May 10, 2012

  Actual Average Record
Temperature  
Mean Temperature 42 °F -  
Max Temperature 46 °F 56 °F 74 °F (1968)
Min Temperature 37 °F 40 °F 30 °F (1998)
Degree Days  
Heating Degree Days 24    
Moisture  
Dew Point 40 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 87    
Precipitation  
Precipitation 0.31 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.27 in    
Wind  
Wind Speed 7 mph (SE)    
Max Wind Speed 17 mph    
Max Gust Speed 23 mph    
Visibility 10 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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Astronomy

May. 10, 2012 Rise Set
Actual Time 4:45 AM AKDT 8:42 PM AKDT
Civil Twilight 3:58 AM AKDT 9:29 PM AKDT
Nautical Twilight 2:51 AM AKDT 10:38 PM AKDT
Astronomical Twilight 1:15 AM AKDT 12:10 AM AKDT
Moon 12:48 AM AKDT (5/10) 9:18 AM AKDT (5/10)
Length of Visible Light 17h 30m
Length of Day
15h 56m
Waning Gibbous, 72% of the Moon is Illuminated
May 10
Waning Gibbous
May 12
Last Quarter
May 20
New
May 28
First Quarter
Jun 4
Full

Hourly Weather History & Observations

Time (AKDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:27 AM 39.2 °F 37.0 °F 37.4 °F 93% 30.19 in 10.0 mi SSE 3.5 mph - N/A   Overcast
12:53 AM 39.0 °F - 36.0 °F 89% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
1:13 AM 37.4 °F - 35.6 °F 93% 30.20 in 10.0 mi Calm Calm - N/A   Overcast
1:53 AM 39.0 °F 36.8 °F 36.0 °F 89% 30.21 in 10.0 mi SSE 3.5 mph - N/A   Overcast
2:53 AM 39.0 °F 35.7 °F 37.0 °F 93% 30.23 in 10.0 mi South 4.6 mph - N/A   Overcast
3:53 AM 39.0 °F 34.8 °F 37.0 °F 93% 30.24 in 10.0 mi South 5.8 mph - N/A   Mostly Cloudy
4:53 AM 37.9 °F 34.4 °F 36.0 °F 93% 30.25 in 10.0 mi South 4.6 mph - N/A   Overcast
5:42 AM 39.2 °F 35.9 °F 35.6 °F 87% 30.25 in 10.0 mi SSE 4.6 mph - 0.00 in Rain Light Rain
5:53 AM 39.0 °F 35.7 °F 36.0 °F 89% 30.26 in 10.0 mi SSE 4.6 mph - 0.00 in Rain Light Rain
6:07 AM 39.2 °F 34.2 °F 35.6 °F 87% 30.26 in 10.0 mi SSE 6.9 mph - 0.00 in Rain Light Rain
6:11 AM 39.2 °F 35.0 °F 35.6 °F 87% 30.26 in 10.0 mi SSE 5.8 mph - 0.00 in Rain Light Rain
6:53 AM 41.0 °F 34.7 °F 37.9 °F 89% 30.27 in 10.0 mi SE 10.4 mph - 0.01 in Rain Light Rain
7:53 AM 41.0 °F 34.3 °F 37.9 °F 89% 30.27 in 10.0 mi SE 11.5 mph - 0.02 in Rain Light Rain
8:53 AM 41.0 °F 34.3 °F 37.9 °F 89% 30.28 in 9.0 mi SE 11.5 mph - 0.03 in Rain Light Rain
9:53 AM 42.1 °F 35.2 °F 39.9 °F 92% 30.29 in 8.0 mi SE 12.7 mph - 0.00 in Rain Light Rain
10:53 AM 43.0 °F 36.0 °F 41.0 °F 93% 30.30 in 10.0 mi SE 13.8 mph - 0.01 in Rain Light Rain
11:53 AM 44.1 °F 37.1 °F 41.0 °F 89% 30.30 in 10.0 mi SE 15.0 mph - 0.01 in Rain Light Rain
12:53 PM 44.1 °F 37.1 °F 42.1 °F 93% 30.31 in 10.0 mi SE 15.0 mph - 0.03 in Rain Light Rain
1:53 PM 45.0 °F 38.9 °F 43.0 °F 93% 30.31 in 10.0 mi SE 12.7 mph - 0.03 in Rain Light Rain
2:53 PM 46.0 °F 39.6 °F 44.1 °F 93% 30.31 in 10.0 mi SE 15.0 mph - 0.00 in Rain Light Rain
3:53 PM 45.0 °F 39.7 °F 43.0 °F 93% 30.31 in 10.0 mi SE 10.4 mph 19.6 mph 0.01 in Rain Light Rain
4:53 PM 45.0 °F 38.2 °F 42.1 °F 90% 30.30 in 10.0 mi SE 15.0 mph - 0.01 in   Overcast
5:51 PM 44.6 °F 38.4 °F 42.8 °F 93% 30.29 in 10.0 mi SE 12.7 mph - 0.00 in   Overcast
5:53 PM 45.0 °F 39.3 °F 42.1 °F 90% 30.30 in 10.0 mi SE 11.5 mph - 0.00 in   Overcast
6:51 PM 44.6 °F 40.2 °F 42.8 °F 93% 30.28 in 10.0 mi SSE 8.1 mph - 0.00 in Rain Light Rain
6:53 PM 44.1 °F 39.0 °F 42.1 °F 93% 30.28 in 9.0 mi SE 9.2 mph - 0.01 in Rain Light Rain
7:53 PM 44.6 °F 39.2 °F 42.8 °F 93% 30.27 in 5.0 mi SE 10.4 mph - N/A Rain Light Rain
8:53 PM 44.1 °F 38.1 °F 42.1 °F 93% 30.28 in 6.0 mi SE 11.5 mph - 0.03 in Rain Light Rain
9:00 PM 42.8 °F 35.8 °F 42.8 °F 100% 30.27 in 8.0 mi SE 13.8 mph - 0.01 in Rain Light Rain
9:31 PM 42.8 °F 40.1 °F 42.8 °F 100% 30.26 in 8.0 mi South 4.6 mph - 0.02 in Rain Light Rain
9:53 PM 43.0 °F 38.8 °F 42.1 °F 97% 30.27 in 10.0 mi SSE 6.9 mph - 0.03 in Rain Light Rain
10:45 PM 44.6 °F 37.2 °F 42.8 °F 93% 30.26 in 9.0 mi SE 17.3 mph - 0.05 in Rain Light Rain
10:53 PM 44.1 °F 37.7 °F 43.0 °F 96% 30.27 in 10.0 mi SE 12.7 mph 23.0 mph 0.05 in Rain Light Rain
11:35 PM 44.6 °F 39.7 °F 42.8 °F 93% 30.27 in 10.0 mi SE 9.2 mph - 0.02 in Rain Light Rain
11:53 PM 43.0 °F 36.4 °F 41.0 °F 93% 30.28 in 10.0 mi SE 12.7 mph - 0.03 in Rain Light Rain