Weather History for Birchwood, AK

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Monday, December 17, 2012

  Actual Average Record
Temperature  
Mean Temperature -8 °F -  
Max Temperature 0 °F 19 °F 47 °F (1988)
Min Temperature -16 °F 7 °F -18 °F (2001)
Degree Days  
Heating Degree Days 73    
Moisture  
Dew Point -12 °F    
Average Humidity 89    
Maximum Humidity 100    
Minimum Humidity 77    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.72 in    
Wind  
Wind Speed 2 mph (SE)    
Max Wind Speed 7 mph    
Max Gust Speed -    
Visibility 8 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

Dec. 17, 2012 Rise Set
Actual Time 10:12 AM AKST 3:36 PM AKST
Civil Twilight 9:09 AM AKST 4:39 PM AKST
Nautical Twilight 8:09 AM AKST 5:39 PM AKST
Astronomical Twilight 7:15 AM AKST 6:33 PM AKST
Moon 11:59 AM AKST (12/17) 10:44 PM AKST (12/17)
Length of Visible Light 7h 30m
Length of Day
5h 23m
Waxing Crescent, 26% of the Moon is Illuminated
Dec 17
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
12:16 AM -4.0 °F -12.4 °F -5.8 °F 92% 29.68 in 5.0 mi SE 3.5 mph - N/A   Overcast
12:36 AM -4.0 °F -14.6 °F -5.8 °F 92% 29.68 in 1.0 mi South 4.6 mph - N/A   Overcast
12:56 AM -0.4 °F - -2.2 °F 92% 29.69 in 0.5 mi Calm Calm - N/A   Overcast
1:16 AM -2.2 °F - -4.0 °F 92% 29.69 in 1.5 mi Calm Calm - N/A   Overcast
1:36 AM -2.2 °F - -2.2 °F 100% 29.70 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
1:56 AM -5.8 °F -14.5 °F -9.4 °F 84% 29.70 in 10.0 mi SE 3.5 mph - N/A   Overcast
2:16 AM -5.8 °F -19.9 °F -7.6 °F 92% 29.70 in 10.0 mi South 6.9 mph - N/A   Mostly Cloudy
2:36 AM -4.0 °F - -5.8 °F 92% 29.71 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
2:56 AM -7.6 °F -18.8 °F -9.4 °F 92% 29.71 in 10.0 mi SSE 4.6 mph - N/A   Mostly Cloudy
3:16 AM -5.8 °F - -7.6 °F 92% 29.72 in 10.0 mi Calm Calm - N/A   Overcast
3:36 AM -5.8 °F - -9.4 °F 84% 29.72 in 10.0 mi Calm Calm - N/A   Overcast
3:56 AM -5.8 °F - -9.4 °F 84% 29.72 in 10.0 mi Calm Calm - N/A   Scattered Clouds
4:16 AM -7.6 °F - -9.4 °F 92% 29.73 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
4:36 AM -5.8 °F - -7.6 °F 92% 29.73 in 10.0 mi Calm Calm - N/A   Overcast
4:56 AM -7.6 °F -20.6 °F -9.4 °F 92% 29.73 in 10.0 mi SE 5.8 mph - N/A   Scattered Clouds
5:16 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.73 in 10.0 mi SSE 4.6 mph - N/A   Clear
5:36 AM -7.6 °F -18.8 °F -9.4 °F 92% 29.74 in 10.0 mi SE 4.6 mph - N/A   Clear
5:56 AM -7.6 °F - -9.4 °F 92% 29.75 in 10.0 mi Calm Calm - N/A   Clear
6:16 AM -7.6 °F -16.5 °F -11.2 °F 84% 29.75 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:36 AM -5.8 °F -14.5 °F -9.4 °F 84% 29.75 in 10.0 mi SSE 3.5 mph - N/A   Clear
6:56 AM -7.6 °F -18.8 °F -9.4 °F 92% 29.76 in 10.0 mi South 4.6 mph - N/A   Clear
7:16 AM -9.4 °F -18.6 °F -11.2 °F 92% 29.76 in 10.0 mi South 3.5 mph - N/A   Clear
7:36 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.76 in 10.0 mi SSE 4.6 mph - N/A   Clear
7:56 AM -9.4 °F -18.6 °F -11.2 °F 92% 29.77 in 10.0 mi South 3.5 mph - N/A   Clear
8:16 AM -9.4 °F -18.6 °F -11.2 °F 92% 29.77 in 10.0 mi SSE 3.5 mph - N/A   Clear
8:36 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.78 in 10.0 mi South 4.6 mph - N/A   Clear
8:56 AM -7.6 °F -16.5 °F -9.4 °F 92% 29.78 in 10.0 mi South 3.5 mph - N/A   Clear
9:16 AM -5.8 °F - -7.6 °F 92% 29.78 in 10.0 mi Calm Calm - N/A   Clear
9:36 AM -11.2 °F - -14.8 °F 84% 29.78 in 10.0 mi Calm Calm - N/A   Clear
9:56 AM -11.2 °F - -14.8 °F 84% 29.78 in 9.0 mi Calm Calm - N/A   Clear
10:16 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.78 in 0.2 mi ENE 4.6 mph - N/A   Overcast
10:36 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.78 in 0.2 mi ENE 4.6 mph - N/A   Overcast
10:56 AM -9.4 °F - -11.2 °F 92% 29.79 in 0.2 mi Calm Calm - N/A   Overcast
11:16 AM -9.4 °F - -11.2 °F 92% 29.79 in 3.0 mi Calm Calm - N/A   Overcast
11:36 AM -9.4 °F -20.9 °F -11.2 °F 92% 29.79 in 2.0 mi ENE 4.6 mph - N/A   Overcast
11:56 AM -9.4 °F -18.6 °F -11.2 °F 92% 29.79 in 9.0 mi NE 3.5 mph - N/A   Overcast
12:16 PM -9.4 °F - -11.2 °F 92% 29.79 in 1.2 mi Calm Calm - N/A   Overcast
12:36 PM -9.4 °F - -13.0 °F 84% 29.79 in 9.0 mi Calm Calm - N/A   Overcast
12:56 PM -7.6 °F - -11.2 °F 84% 29.79 in 0.2 mi Calm Calm - N/A   Overcast
3:36 PM -9.4 °F - -13.0 °F 84% 29.77 in 9.0 mi Calm Calm - N/A   Mostly Cloudy
3:56 PM -13.0 °F - -16.6 °F 84% 29.77 in 9.0 mi Calm Calm - N/A   Partly Cloudy
4:16 PM -11.2 °F - -14.8 °F 84% 29.77 in 8.0 mi Calm Calm - N/A   Clear
4:36 PM -13.0 °F - -16.6 °F 84% 29.76 in 10.0 mi Calm Calm - N/A   Partly Cloudy
4:56 PM -14.8 °F -24.8 °F -18.4 °F 84% 29.76 in 10.0 mi SE 3.5 mph - N/A   Clear
5:16 PM -16.6 °F - -20.2 °F 84% 29.75 in 10.0 mi Calm Calm - N/A   Clear
5:36 PM -14.8 °F -27.2 °F -18.4 °F 84% 29.73 in 9.0 mi ENE 4.6 mph - N/A   Clear
5:56 PM -14.8 °F -27.2 °F -16.6 °F 92% 29.72 in 8.0 mi ENE 4.6 mph - N/A   Clear
6:36 PM -11.2 °F -20.6 °F -14.8 °F 84% 29.70 in 10.0 mi ENE 3.5 mph - N/A   Clear
6:56 PM -11.2 °F -20.6 °F -14.8 °F 84% 29.69 in 10.0 mi South 3.5 mph - N/A   Clear
7:16 PM -13.0 °F -22.7 °F -16.6 °F 84% 29.69 in 10.0 mi South 3.5 mph - N/A   Clear
7:36 PM -11.2 °F - -14.8 °F 84% 29.68 in 10.0 mi Calm Calm - N/A   Clear
7:56 PM -14.8 °F - -18.4 °F 84% 29.68 in 10.0 mi Calm Calm - N/A   Scattered Clouds
8:16 PM -14.8 °F -24.8 °F -16.6 °F 92% 29.68 in 4.0 mi SE 3.5 mph - N/A   Overcast
8:36 PM -11.2 °F -20.6 °F -14.8 °F 84% 29.67 in 10.0 mi SE 3.5 mph - N/A   Overcast
8:56 PM -9.4 °F -18.6 °F -11.2 °F 92% 29.66 in 1.0 mi SSE 3.5 mph - N/A   Overcast
9:16 PM -7.6 °F -18.8 °F -9.4 °F 92% 29.66 in 8.0 mi SE 4.6 mph - N/A   Overcast
9:36 PM -7.6 °F -16.5 °F -9.4 °F 92% 29.65 in 3.0 mi SE 3.5 mph - N/A   Overcast
9:56 PM -9.4 °F - -14.8 °F 77% 29.64 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:16 PM -13.0 °F - -16.6 °F 84% 29.64 in 10.0 mi Calm Calm - N/A   Scattered Clouds
10:36 PM -13.0 °F - -16.6 °F 84% 29.62 in 10.0 mi Calm Calm - N/A   Overcast
10:56 PM -11.2 °F - -14.8 °F 84% 29.60 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:16 PM -11.2 °F - -14.8 °F 84% 29.59 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
11:36 PM -14.8 °F - -16.6 °F 92% 29.59 in 10.0 mi Calm Calm - N/A   Overcast
11:56 PM -11.2 °F - -14.8 °F 84% 29.59 in 1.8 mi Calm Calm - N/A   Overcast