Weather History for Mt. Washington, NH

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature -2 °F -  
Max Temperature 8 °F 13 °F 37 °F (1972)
Min Temperature -11 °F 0 °F -29 °F (1996)
Degree Days  
Heating Degree Days 66    
Moisture  
Dew Point 2 °F    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 100    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 21.00 in    
Wind  
Wind Speed 79 mph (WNW)    
Max Wind Speed 100 mph    
Max Gust Speed 110 mph    
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. 31, 2012 Rise Set
Actual Time 7:20 AM EST 4:16 PM EST
Civil Twilight 6:47 AM EST 4:49 PM EST
Nautical Twilight 6:11 AM EST 5:26 PM EST
Astronomical Twilight 5:35 AM EST 6:01 PM EST
Moon 7:52 PM EST (12/31) 8:53 AM EST (12/31)
Length of Visible Light 10h 01m
Length of Day
8h 55m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM -11.2 °F - -11.2 °F 100% - 0.0 mi NW 100.1 mph 110.5 mph N/A Fog , Snow Blowing Snow
1:48 AM -9.4 °F -52.7 °F -9.4 °F 100% - 0.0 mi NW 96.7 mph 107.0 mph N/A Fog , Snow Blowing Snow
2:58 AM -9.4 °F -52.7 °F -9.4 °F 100% - 0.0 mi NW 96.7 mph - N/A Fog , Snow Blowing Snow
3:53 AM -7.6 °F -49.4 °F -7.6 °F 100% - 0.0 mi NW 92.1 mph 96.7 mph N/A Fog , Snow Blowing Snow
4:51 AM -5.8 °F -47.6 °F -5.8 °F 100% - 0.0 mi NW 99.0 mph 103.6 mph N/A Fog , Snow Blowing Snow
5:55 AM -2.2 °F -40.2 °F -2.2 °F 100% - 0.0 mi NW 84.0 mph 100.1 mph N/A Fog , Snow Blowing Snow
6:54 AM -2.2 °F -40.5 °F -2.2 °F 100% - 0.0 mi NW 86.3 mph 96.7 mph N/A Fog , Snow Blowing Snow
7:53 AM -0.4 °F -36.7 °F -0.4 °F 100% - 0.0 mi NW 78.3 mph 90.9 mph N/A Fog , Snow Blowing Snow
8:54 AM 1.4 °F -33.1 °F 1.4 °F 100% - 0.0 mi NW 72.5 mph 81.7 mph N/A Fog , Snow Blowing Snow
9:56 AM 3.2 °F -30.5 °F 3.2 °F 100% - 0.0 mi WNW 72.5 mph 78.3 mph N/A Fog , Snow Blowing Snow
10:55 AM 3.2 °F -29.0 °F 3.2 °F 100% - 0.0 mi NW 63.3 mph 76.0 mph N/A Fog , Snow Blowing Snow
11:54 AM 3.2 °F -28.0 °F 3.2 °F 100% - 0.0 mi WNW 57.5 mph - N/A Fog , Snow Blowing Snow
12:54 PM 5.0 °F -26.4 °F 5.0 °F 100% - 0.0 mi WNW 63.3 mph 66.7 mph N/A Fog , Snow Blowing Snow
1:52 PM 5.0 °F -25.2 °F 5.0 °F 100% - 0.0 mi WNW 56.4 mph - N/A Fog , Snow Blowing Snow
2:49 PM 6.8 °F -22.8 °F 6.8 °F 100% - 0.0 mi WNW 57.5 mph - N/A Fog , Snow Low Drifting Snow
3:51 PM 5.0 °F -22.9 °F 5.0 °F 100% - 0.0 mi WNW 44.9 mph 58.7 mph N/A Fog , Snow Low Drifting Snow
4:50 PM 6.8 °F -21.1 °F 6.8 °F 100% - 0.0 mi WNW 48.3 mph 51.8 mph N/A Fog , Snow Low Drifting Snow
5:47 PM 6.8 °F -20.9 °F 6.8 °F 100% - 0.0 mi WNW 47.2 mph - N/A Fog , Snow Low Drifting Snow
6:50 PM 6.8 °F -20.1 °F 6.8 °F 100% - 0.0 mi WNW 43.7 mph - N/A Fog , Snow Low Drifting Snow
7:47 PM 6.8 °F -22.0 °F 6.8 °F 100% - 0.0 mi WNW 52.9 mph - N/A Fog , Snow Low Drifting Snow
8:47 PM 5.0 °F -25.6 °F 5.0 °F 100% - 0.0 mi WNW 58.7 mph - N/A Fog , Snow Blowing Snow
9:53 PM 8.6 °F -21.5 °F 8.6 °F 100% - 0.0 mi WNW 65.6 mph 76.0 mph N/A Fog , Snow Blowing Snow
10:48 PM 8.6 °F -21.0 °F 8.6 °F 100% - 0.0 mi WNW 62.1 mph - N/A Fog , Snow Blowing Snow
11:53 PM 8.6 °F -22.1 °F 8.6 °F 100% - 0.0 mi WNW 69.0 mph - N/A Fog , Snow Blowing Snow