Weather History for Mt. Washington, NH

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Wednesday, December 19, 2012

  Actual Average Record
Temperature  
Mean Temperature 19 °F -  
Max Temperature 24 °F 16 °F 35 °F (2002)
Min Temperature 12 °F 3 °F -29 °F (1975)
Degree Days  
Heating Degree Days 46    
Moisture  
Dew Point 17 °F    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 93    
Precipitation  
Precipitation 0.05 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 10.00 in    
Wind  
Wind Speed 28 mph (NNW)    
Max Wind Speed 45 mph    
Max Gust Speed 50 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. 19, 2012 Rise Set
Actual Time 7:16 AM EST 4:08 PM EST
Civil Twilight 6:43 AM EST 4:41 PM EST
Nautical Twilight 6:06 AM EST 5:18 PM EST
Astronomical Twilight 5:31 AM EST 5:53 PM EST
Moon 11:09 AM EST (12/19) 11:49 PM EST (12/19)
Length of Visible Light 9h 58m
Length of Day
8h 51m
Waxing Crescent, 45% of the Moon is Illuminated
Dec 19
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

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 24.8 °F 10.7 °F 24.8 °F 100% - 0.1 mi ESE 19.6 mph - N/A Fog Light Freezing Drizzle
1:47 AM 23.0 °F 11.1 °F 23.0 °F 100% - 0.1 mi NW 12.7 mph - N/A Fog , Snow Light Snow
2:48 AM 23.0 °F 7.2 °F 23.0 °F 100% - 0.1 mi NW 23.0 mph - N/A Fog , Snow Light Snow
3:54 AM 21.2 °F 3.5 °F 21.2 °F 100% - 0.1 mi NW 27.6 mph - N/A Fog , Snow Light Snow
4:50 AM 19.4 °F 2.8 °F 19.4 °F 100% - 0.1 mi NW 21.9 mph - N/A Fog Light Freezing Drizzle
5:55 AM 21.2 °F 5.2 °F 21.2 °F 100% - 0.1 mi NNW 21.9 mph 32.2 mph N/A Fog Light Freezing Fog
6:54 AM 19.4 °F 2.8 °F 19.4 °F 100% - 0.1 mi NNW 21.9 mph 25.3 mph N/A Fog Light Freezing Fog
7:52 AM 17.6 °F -2.2 °F 17.6 °F 100% - 0.1 mi NW 31.1 mph 38.0 mph N/A Fog , Snow Light Snow
8:50 AM 17.6 °F -3.6 °F 17.6 °F 100% - 0.1 mi North 36.8 mph 43.7 mph N/A Fog , Snow Light Snow
9:53 AM 17.6 °F -3.6 °F 17.6 °F 100% - 0.1 mi North 36.8 mph - N/A Fog , Snow Light Snow
10:48 AM 17.6 °F -3.3 °F 17.6 °F 100% - 0.1 mi NW 35.7 mph - N/A Fog Light Freezing Fog
11:51 AM 15.8 °F -5.8 °F 15.8 °F 100% - 0.1 mi North 35.7 mph - N/A Fog Light Freezing Fog
12:49 PM 17.6 °F -3.3 °F 15.8 °F 93% - 1.0 mi North 35.7 mph 42.6 mph N/A   Mostly Cloudy
1:57 PM 15.8 °F -5.2 °F 15.8 °F 100% - 0.1 mi North 33.4 mph 40.3 mph N/A Fog Light Freezing Fog
2:54 PM 15.8 °F -5.8 °F 15.8 °F 100% - 0.1 mi North 35.7 mph - N/A Fog Light Freezing Fog
3:52 PM 15.8 °F -5.8 °F 15.8 °F 100% - 0.1 mi North 35.7 mph - N/A Fog Light Hail
4:55 PM 14.0 °F -9.3 °F 14.0 °F 100% - 0.0 mi NNW 40.3 mph 48.3 mph N/A Fog , Snow Light Hail
5:59 PM 14.0 °F -10.2 °F 14.0 °F 100% - 0.1 mi NNW 44.9 mph - N/A Fog , Snow Blowing Snow
6:52 PM 14.0 °F -9.8 °F 14.0 °F 100% - 0.0 mi NNW 42.6 mph - N/A Fog , Snow Blowing Snow
7:59 PM 14.0 °F -8.8 °F 14.0 °F 100% - 0.0 mi NNW 38.0 mph 41.4 mph N/A Fog Light Freezing Fog
8:48 PM 14.0 °F -9.6 °F 14.0 °F 100% - 0.1 mi NNW 41.4 mph 49.5 mph N/A Fog Light Freezing Fog
9:57 PM 14.0 °F -8.0 °F 14.0 °F 100% - 0.0 mi NNW 34.5 mph 42.6 mph N/A Fog Light Freezing Fog
10:58 PM 14.0 °F -8.5 °F 14.0 °F 100% - 0.0 mi NNW 36.8 mph - N/A Fog Light Freezing Fog
11:54 PM 12.2 °F -10.5 °F 12.2 °F 100% - 0.0 mi NNW 34.5 mph - N/A Fog Light Freezing Fog