Weather History for Port Alexander, AK

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Wednesday, July 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 60 °F -  
Max Temperature 68 °F 61 °F 71 °F (1999)
Min Temperature 53 °F 51 °F 50 °F (2011)
Degree Days  
Heating Degree Days 4    
Growing Degree Days 10 (Base 50)    
Moisture  
Dew Point 54 °F    
Average Humidity 79    
Maximum Humidity 94    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 30.12 in    
Wind  
Wind Speed 3 mph (North)    
Max Wind Speed 6 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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Date:

Astronomy

Jul. 31, 2013 Rise Set
Actual Time 5:00 AM AKDT 9:08 PM AKDT
Civil Twilight 4:10 AM AKDT 9:57 PM AKDT
Nautical Twilight 2:56 AM AKDT 11:10 PM AKDT
Astronomical Twilight 1:37 AM AKDT 12:32 AM AKDT
Moon 12:01 AM AKDT (7/31) 4:35 PM AKDT (7/31)
Length of Visible Light 17h 46m
Length of Day
16h 08m
Waning Crescent, 30% of the Moon is Illuminated
Jul 31
Waning Crescent
Aug 6
New
Aug 14
First Quarter
Aug 20
Full
Aug 28
Last Quarter

Hourly Weather History & Observations

Time (AKDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
6:59 AM 53.6 °F 51.8 °F 94% 30.15 in 10.0 mi Calm Calm - N/A   Clear
8:59 AM 55.4 °F 51.8 °F 88% 30.15 in 10.0 mi Variable 2.3 mph - N/A   Clear
10:55 AM 57.2 °F 53.6 °F 88% 30.14 in 10.0 mi South 5.8 mph - N/A   Clear
12:57 PM 60.8 °F 53.6 °F 77% 30.14 in 10.0 mi South 5.8 mph - N/A   Clear
2:55 PM 64.4 °F 57.2 °F 77% 30.12 in 10.0 mi South 5.8 mph - N/A   Clear
4:51 PM 68.0 °F 55.4 °F 64% 30.09 in 10.0 mi South 3.5 mph - N/A   Clear
6:50 PM 68.0 °F 55.4 °F 64% 30.07 in 10.0 mi South 3.5 mph - N/A   Clear