Weather History for Mt. Washington, NH

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Monday, January 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 3 °F -  
Max Temperature 8 °F 11 °F 41 °F (1998)
Min Temperature -2 °F -2 °F -29 °F (2004)
Degree Days  
Heating Degree Days 62    
Moisture  
Dew Point 3 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 66    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 23.00 in    
Wind  
Wind Speed 42 mph (West)    
Max Wind Speed 48 mph    
Max Gust Speed 55 mph    
Visibility 1 miles    
Events Fog , Snow    
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

Jan. 09, 2012 Rise Set
Actual Time 7:20 AM EST 4:24 PM EST
Civil Twilight 6:47 AM EST 4:57 PM EST
Nautical Twilight 6:11 AM EST 5:33 PM EST
Astronomical Twilight 5:36 AM EST 6:08 PM EST
Moon 5:10 PM EST (1/9) 7:16 AM EST (1/9)
Length of Visible Light 10h 09m
Length of Day
9h 04m
Full, 100% of the Moon is Illuminated
Jan 9
Full
Jan 16
Last Quarter
Jan 23
New
Jan 30
First Quarter
Feb 7
Full

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:54 AM -0.4 °F -29.7 °F -9.4 °F 66% - 120.0 mi NW 41.4 mph - N/A Snow Blowing Snow
1:54 AM -0.4 °F -31.0 °F -9.4 °F 66% - 120.0 mi WNW 47.2 mph - N/A   Partly Cloudy
2:54 AM -2.2 °F -32.5 °F -11.2 °F 66% - 120.0 mi WNW 42.6 mph - N/A   Partly Cloudy
3:59 AM -2.2 °F -32.5 °F -7.6 °F 78% - 20.0 mi WNW 42.6 mph - N/A   Overcast
4:53 AM -0.4 °F -29.7 °F -5.8 °F 78% - 1.0 mi WNW 41.4 mph - N/A   Overcast
5:54 AM 1.4 °F -26.0 °F 1.4 °F 100% - 0.1 mi WNW 36.8 mph - N/A Fog Light Freezing Fog
6:49 AM 1.4 °F -26.9 °F 1.4 °F 100% - 0.1 mi WNW 40.3 mph - N/A Fog Light Freezing Fog
7:48 AM 1.4 °F -26.3 °F 1.4 °F 100% - 0.1 mi West 38.0 mph - N/A Fog Light Freezing Fog
8:51 AM 3.2 °F -23.2 °F 3.2 °F 100% - 0.1 mi West 35.7 mph - N/A Fog Light Freezing Fog
9:50 AM 6.8 °F -18.2 °F 6.8 °F 100% - 0.1 mi West 35.7 mph - N/A Fog , Snow Light Snow Showers
10:55 AM 6.8 °F -18.5 °F 6.8 °F 100% - 0.0 mi West 36.8 mph 42.6 mph N/A Fog , Snow Light Snow Showers
11:48 AM 6.8 °F -19.6 °F 6.8 °F 100% - 0.0 mi West 41.4 mph - N/A Fog , Snow Blowing Snow
12:49 PM 8.6 °F -16.8 °F 8.6 °F 100% - 0.0 mi West 40.3 mph - N/A Fog , Snow Blowing Snow
1:48 PM 8.6 °F -17.8 °F 8.6 °F 100% - 0.0 mi West 44.9 mph - N/A Fog , Snow Light Snow Grains
1:55 PM 8.6 °F -17.6 °F 8.6 °F 100% - 0.0 mi West 43.7 mph - N/A Fog , Snow Light Snow Grains
2:47 PM 8.6 °F -16.6 °F 8.6 °F 100% - 0.0 mi West 39.1 mph - N/A Fog , Snow Light Snow Grains
3:51 PM 8.6 °F -16.8 °F 8.6 °F 100% - 0.0 mi West 40.3 mph - N/A Snow Light Snow Grains
4:52 PM 8.6 °F -18.3 °F 8.6 °F 100% - 0.0 mi West 47.2 mph 55.2 mph N/A Fog , Snow Light Snow Grains
5:53 PM 8.6 °F -18.3 °F 8.6 °F 100% - 0.0 mi West 47.2 mph - N/A Fog , Snow Light Snow Grains
6:50 PM 8.6 °F -18.6 °F 8.6 °F 100% - 0.1 mi West 48.3 mph - N/A Fog , Snow Light Snow
7:52 PM 8.6 °F -16.3 °F 8.6 °F 100% - 0.0 mi West 38.0 mph - N/A Fog , Snow Blowing Snow
8:52 PM 8.6 °F -18.1 °F 8.6 °F 100% - 0.0 mi West 46.0 mph - N/A Fog Light Freezing Fog
9:57 PM 8.6 °F -16.6 °F 5.0 °F 85% - 100.0 mi West 39.1 mph - N/A   Overcast
10:55 PM 8.6 °F -16.8 °F 5.0 °F 85% - 100.0 mi WSW 40.3 mph 44.9 mph N/A   Mostly Cloudy
11:52 PM 8.6 °F -17.8 °F 5.0 °F 85% - 90.0 mi WSW 44.9 mph 54.1 mph N/A Snow Blowing Snow