Weather History for Mt. Washington, NH

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Saturday, December 17, 2011

  Actual Average Record
Temperature  
Mean Temperature 3 °F -  
Max Temperature 10 °F 17 °F 41 °F (2000)
Min Temperature -4 °F 4 °F -25 °F (1979)
Degree Days  
Heating Degree Days 62    
Moisture  
Dew Point -3 °F    
Average Humidity 81    
Maximum Humidity 100    
Minimum Humidity 42    
Precipitation  
Precipitation 0.06 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 7.00 in    
Wind  
Wind Speed 36 mph (WNW)    
Max Wind Speed 53 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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Date:

Astronomy

Dec. 17, 2011 Rise Set
Actual Time 7:15 AM EST 4:07 PM EST
Civil Twilight 6:41 AM EST 4:40 PM EST
Nautical Twilight 6:05 AM EST 5:17 PM EST
Astronomical Twilight 5:29 AM EST 5:52 PM EST
Moon No Moon Rise 11:14 AM EST (12/17)
Length of Visible Light 9h 58m
Length of Day
8h 52m
Waning Gibbous, 54% of the Moon is Illuminated
Dec 17
Waning Gibbous
Dec 17
Last Quarter
Dec 24
New
Jan 1
First Quarter
Jan 9
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 10.4 °F -16.9 °F 10.4 °F 100% - 0.0 mi WNW 52.9 mph - N/A Fog Light Freezing Fog
1:47 AM 10.4 °F -16.0 °F 10.4 °F 100% - 0.0 mi West 48.3 mph - N/A Fog Light Freezing Fog
2:51 AM 10.4 °F -15.3 °F 10.4 °F 100% - 0.0 mi West 44.9 mph - N/A Fog Light Freezing Fog
3:51 AM 10.4 °F -13.2 °F 10.4 °F 100% - 0.0 mi West 35.7 mph - N/A Fog Light Freezing Fog
4:52 AM 8.6 °F -12.3 °F 8.6 °F 100% - 0.0 mi West 24.2 mph - N/A Fog , Snow Light Snow
5:51 AM 6.8 °F -18.2 °F 6.8 °F 100% - 0.0 mi WNW 35.7 mph - N/A Fog , Snow Light Snow
6:53 AM 5.0 °F -20.7 °F 5.0 °F 100% - 0.0 mi WNW 35.7 mph - N/A Fog , Snow Light Snow
7:53 AM 5.0 °F -19.4 °F 5.0 °F 100% - 0.0 mi WNW 31.1 mph - N/A Fog , Snow Light Snow
8:50 AM 3.2 °F -22.9 °F 3.2 °F 100% - 0.0 mi WNW 34.5 mph - N/A Fog , Snow Light Snow
9:53 AM 3.2 °F -22.9 °F 3.2 °F 100% - 0.1 mi West 34.5 mph - N/A Fog Light Freezing Fog
10:51 AM 3.2 °F -21.1 °F 3.2 °F 100% - 0.1 mi WNW 28.8 mph - N/A Fog Light Freezing Fog
11:52 AM 3.2 °F -21.5 °F 3.2 °F 100% - 0.1 mi West 29.9 mph - N/A Fog Light Freezing Fog
12:54 PM -0.4 °F -26.7 °F -7.6 °F 72% - 100.0 mi WNW 31.1 mph - N/A   Mostly Cloudy
1:51 PM -0.4 °F -27.1 °F -0.4 °F 100% - 0.1 mi West 32.2 mph - N/A Fog Light Freezing Fog
2:58 PM -2.2 °F -30.6 °F -11.2 °F 66% - 100.0 mi West 35.7 mph - N/A   Mostly Cloudy
3:56 PM -4.0 °F -31.6 °F -11.2 °F 71% - 100.0 mi WNW 31.1 mph - N/A Fog Patches of Fog
4:52 PM -4.0 °F -30.0 °F -18.4 °F 50% - 110.0 mi West 26.5 mph - N/A   Mostly Cloudy
5:50 PM -4.0 °F -27.6 °F -14.8 °F 60% - 130.0 mi WNW 20.7 mph - N/A   Scattered Clouds
6:51 PM -4.0 °F -30.0 °F -9.4 °F 78% - 130.0 mi West 26.5 mph - N/A   Scattered Clouds
7:52 PM -2.2 °F -25.2 °F -13.0 °F 60% - 130.0 mi WNW 20.7 mph - N/A   Partly Cloudy
8:56 PM -4.0 °F -24.5 °F -16.6 °F 55% - 130.0 mi NNW 15.0 mph - N/A   Partly Cloudy
9:52 PM -4.0 °F -21.2 °F -18.4 °F 50% - 130.0 mi NNW 10.4 mph - N/A   Partly Cloudy
10:51 PM -4.0 °F - -18.4 °F 50% - 130.0 mi Variable 2.3 mph - N/A   Partly Cloudy
11:53 PM -4.0 °F -21.2 °F -22.0 °F 42% - 130.0 mi NW 10.4 mph - N/A   Partly Cloudy