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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature -30 °F -4 °F  
Max Temperature -19 °F 5 °F 42 °F (1935)
Min Temperature -42 °F -13 °F -54 °F (1933)
Degree Days  
Heating Degree Days 95 69  
Month to date heating degree days 1504 1226  
Since 1 July heating degree days 5993 5357  
Cooling Degree Days 0 0  
Month to date cooling degree days 0 0  
Year to date cooling degree days 34 61  
Moisture  
Dew Point -30 °F    
Average Humidity 70    
Maximum Humidity 78    
Minimum Humidity 52    
Precipitation  
Precipitation 0.00 in 0.02 in 0.80 in (1968)
Month to date precipitation 1.18 0.35  
Year to date precipitation 10.61 10.52  
Snow  
Snow 0.00 in 0.40 in 10.70 in (1968)
Month to date snowfall 18.3 6.9  
Since 1 July snowfall 29.6 32.7  
Snow Depth 17.00 in    
Sea Level Pressure  
Sea Level Pressure 29.67 in    
Wind  
Wind Speed 1 mph (ESE)    
Max Wind Speed 5 mph    
Max Gust Speed -    
Visibility 10 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 18, 2012 Rise Set
Actual Time 10:56 AM AKST 2:40 PM AKST
Civil Twilight 9:31 AM AKST 4:05 PM AKST
Nautical Twilight 8:19 AM AKST 5:17 PM AKST
Astronomical Twilight 7:18 AM AKST 6:18 PM AKST
Moon 12:08 PM AKST (12/18) No Moon Set
Length of Visible Light 6h 34m
Length of Day
3h 44m
Waxing Crescent, 36% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 19
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 -40.0 °F -53.5 °F - N/A% 29.64 in 10.0 mi NNE 3.5 mph - N/A   Scattered Clouds
1:53 AM -38.0 °F - - N/A% 29.55 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 AM -32.1 °F - - N/A% 29.60 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:53 AM -34.1 °F - - N/A% 29.58 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
5:53 AM -34.1 °F - - N/A% 29.59 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
6:53 AM -32.1 °F - - N/A% 29.59 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM -27.0 °F - -33.0 °F 73% 29.59 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM -26.0 °F - -33.0 °F 69% 29.58 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM -29.0 °F - -35.0 °F 73% 29.59 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
10:53 AM -29.9 °F - - N/A% 29.60 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 AM -29.9 °F - - N/A% 29.61 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
12:53 PM -32.1 °F - - N/A% 29.62 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:53 PM -29.9 °F - - N/A% 29.64 in 10.0 mi Calm Calm - N/A Fog Mostly Cloudy
2:53 PM -29.0 °F - -36.0 °F 69% 29.64 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
3:53 PM -24.0 °F - -29.9 °F 74% 29.65 in 10.0 mi Calm Calm - N/A   Overcast
4:53 PM -23.1 °F - -27.9 °F 78% 29.68 in 10.0 mi Calm Calm - N/A   Overcast
5:53 PM -20.0 °F - -26.0 °F 74% 29.71 in 10.0 mi Calm Calm - N/A   Overcast
6:53 PM -20.0 °F - -27.0 °F 70% 29.75 in 10.0 mi Calm Calm - N/A   Overcast
7:53 PM -20.9 °F - -27.0 °F 73% 29.78 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 PM -20.0 °F - -26.0 °F 74% 29.82 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 PM -20.0 °F -33.3 °F -26.0 °F 74% 29.87 in 10.0 mi South 4.6 mph - N/A   Mostly Cloudy
10:53 PM -22.0 °F - -27.9 °F 74% 29.91 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:53 PM -25.1 °F - -29.9 °F 78% 29.95 in 10.0 mi Calm Calm - N/A   Mostly Cloudy