Weather History for Mt. Washington, NH

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Thursday, December 12, 2013

  Actual Average Record
Temperature  
Mean Temperature -16 °F -  
Max Temperature -11 °F 19 °F 44 °F (2001)
Min Temperature -20 °F 6 °F -27 °F (1977)
Degree Days  
Heating Degree Days 80    
Moisture  
Dew Point -15 °F    
Average Humidity 99    
Maximum Humidity 100    
Minimum Humidity 70    
Precipitation  
Precipitation 0.06 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 7.00 in    
Wind  
Wind Speed 59 mph (WNW)    
Max Wind Speed 75 mph    
Max Gust Speed 79 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. 12, 2013 Rise Set
Actual Time 7:11 AM EST 4:06 PM EST
Civil Twilight 6:38 AM EST 4:39 PM EST
Nautical Twilight 6:02 AM EST 5:16 PM EST
Astronomical Twilight 5:26 AM EST 5:51 PM EST
Moon 1:18 PM EST (12/12) 2:23 AM EST (12/12)
Length of Visible Light 10h 00m
Length of Day
8h 54m
Waxing Gibbous, 80% of the Moon is Illuminated
Dec 12
Waxing Gibbous
Dec 17
Full
Dec 25
Last Quarter
Jan 1
New
Jan 7
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:50 AM -11.2 °F -49.0 °F -11.2 °F 100% - 0.1 mi WNW 58.7 mph 65.6 mph N/A Fog , Snow Light Snow Showers
1:53 AM -13.0 °F -53.4 °F -13.0 °F 100% - 0.1 mi WNW 67.9 mph 74.8 mph N/A Fog , Snow Light Snow Showers
2:52 AM -13.0 °F -52.8 °F -13.0 °F 100% - 0.1 mi WNW 64.4 mph 76.0 mph N/A Fog , Snow Light Snow Showers
3:50 AM -14.8 °F -57.4 °F -14.8 °F 100% - 0.1 mi WNW 74.8 mph 78.3 mph N/A Fog , Snow Light Snow Showers
4:54 AM -14.8 °F -56.1 °F -14.8 °F 100% - 0.1 mi West 67.9 mph 79.4 mph N/A Fog , Snow Light Snow Showers
5:55 AM -18.4 °F -61.8 °F -18.4 °F 100% - 0.1 mi WNW 70.2 mph 76.0 mph N/A Fog , Snow Light Snow Showers
6:55 AM -18.4 °F -60.6 °F -18.4 °F 100% - 0.1 mi WNW 64.4 mph 70.2 mph N/A Fog , Snow Light Freezing Fog
7:52 AM -20.2 °F -62.2 °F -20.2 °F 100% - 0.1 mi WNW 59.8 mph 63.3 mph N/A Fog , Snow Light Freezing Fog
8:53 AM -18.4 °F -58.8 °F -18.4 °F 100% - 0.1 mi WNW 56.4 mph 65.6 mph N/A Fog , Snow Light Freezing Fog
9:52 AM -18.4 °F -57.7 °F -18.4 °F 100% - 0.1 mi WNW 51.8 mph 57.5 mph N/A Fog , Snow Light Freezing Fog
10:55 AM -16.6 °F -53.9 °F -16.6 °F 100% - 0.2 mi WNW 47.2 mph 57.5 mph N/A Fog , Snow Light Freezing Fog
11:51 AM -14.8 °F -51.1 °F -14.8 °F 100% - 0.1 mi WNW 46.0 mph 66.7 mph N/A Fog , Snow Light Freezing Fog
12:52 PM -14.8 °F -52.0 °F -22.0 °F 70% - 120.0 mi WNW 49.5 mph 64.4 mph N/A Snow Low Drifting Snow
1:50 PM -14.8 °F -51.7 °F -14.8 °F 100% - 0.1 mi WNW 48.3 mph 58.7 mph N/A Fog , Snow Light Freezing Fog
2:47 PM -14.8 °F -53.7 °F -14.8 °F 100% - 0.1 mi WNW 56.4 mph 64.4 mph N/A Fog Light Freezing Fog
3:49 PM -13.0 °F -50.5 °F -13.0 °F 100% - 0.1 mi WNW 54.1 mph 58.7 mph N/A Fog Light Freezing Fog
4:50 PM -14.8 °F -52.6 °F -14.8 °F 100% - 0.1 mi WNW 51.8 mph - N/A Fog Light Freezing Fog
5:53 PM -13.0 °F -48.9 °F -13.0 °F 100% - 0.1 mi West 47.2 mph - N/A Fog Light Freezing Fog
6:52 PM -13.0 °F -47.9 °F -13.0 °F 100% - 0.1 mi West 43.7 mph - N/A Fog Light Freezing Fog
7:50 PM -11.2 °F -45.7 °F -11.2 °F 100% - 0.1 mi West 44.9 mph 54.1 mph N/A Fog , Snow Light Snow Showers
8:51 PM -11.2 °F -46.9 °F -11.2 °F 100% - 0.1 mi West 49.5 mph 54.1 mph N/A Fog , Snow Light Snow Showers
9:49 PM -11.2 °F -48.2 °F -11.2 °F 100% - 0.1 mi West 55.2 mph 63.3 mph N/A Fog , Snow Light Snow Showers
10:50 PM -11.2 °F -47.7 °F -11.2 °F 100% - 0.1 mi West 52.9 mph 61.0 mph N/A Fog , Snow Light Snow Showers
11:50 PM -11.2 °F -49.2 °F -11.2 °F 100% - 0.1 mi West 59.8 mph 66.7 mph N/A Fog , Snow Light Snow Showers