Weather History for Port Alsworth, AK

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Monday, February 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 8 °F -  
Max Temperature 14 °F 29 °F 48 °F (2006)
Min Temperature 3 °F 19 °F -7 °F (1999)
Degree Days  
Heating Degree Days 56    
Moisture  
Dew Point 0 °F    
Average Humidity 72    
Maximum Humidity 93    
Minimum Humidity 39    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.96 in    
Wind  
Wind Speed 6 mph (SW)    
Max Wind Speed 9 mph    
Max Gust Speed -    
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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Daily Weather History Graph

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Date:

Astronomy

Feb. 18, 2013 Rise Set
Actual Time 8:46 AM AKST 6:17 PM AKST
Civil Twilight 8:02 AM AKST 7:00 PM AKST
Nautical Twilight 7:14 AM AKST 7:49 PM AKST
Astronomical Twilight 6:25 AM AKST 8:38 PM AKST
Moon 11:19 AM AKST (2/18) 4:25 AM AKST (2/18)
Length of Visible Light 10h 57m
Length of Day
9h 30m
First Quarter, 60% of the Moon is Illuminated
Feb 18
First Quarter
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (AKST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
8:55 AM 3.2 °F -11.3 °F -16.6 °F 39% 30.04 in 40.0 mi SSW 9.2 mph - N/A   Clear
12:59 PM 14.0 °F 6.5 °F 12.2 °F 93% 29.98 in 40.0 mi Variable 4.6 mph - N/A   Scattered Clouds
2:57 PM 6.8 °F -3.5 °F 3.2 °F 85% 29.95 in 30.0 mi West 5.8 mph - N/A   Mostly Cloudy
4:50 PM 8.6 °F - 1.4 °F 73% 29.87 in 30.0 mi Calm Calm - N/A   Mostly Cloudy