Weather History for Mt. Washington, NH

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Thursday, February 21, 2013

  Actual Average Record
Temperature  
Mean Temperature -19 °C -  
Max Temperature -14 °C -10 °C 3 °C (1997)
Min Temperature -23 °C -17 °C -31 °C (2001)
Degree Days  
Heating Degree Days 66    
Moisture  
Dew Point -17 °C    
Average Humidity 100    
Maximum Humidity 100    
Minimum Humidity 100    
Precipitation  
Precipitation 4.83 mm - - ()
Snow  
Snow 0.00 cm - - ()
Snow Depth 27.94 cm    
Wind  
Wind Speed 87 km/h (NNW)    
Max Wind Speed 121 km/h    
Max Gust Speed 135 km/h    
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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Astronomy

Feb. 21, 2013 Rise Set
Actual Time 6:35 AM EST 5:22 PM EST
Civil Twilight 6:05 AM EST 5:52 PM EST
Nautical Twilight 5:32 AM EST 6:26 PM EST
Astronomical Twilight 4:58 AM EST 6:59 PM EST
Moon 1:29 PM EST (2/21) 3:43 AM EST (2/21)
Length of Visible Light 11h 46m
Length of Day
10h 47m
Waxing Gibbous, 83% of the Moon is Illuminated
Feb 21
Waxing Gibbous
Feb 25
Full
Mar 4
Last Quarter
Mar 11
New
Mar 19
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:51 AM -19.0 °C -39.3 °C -19.0 °C 100% - 0.0 km WNW 120.4 km/h / 33.4 m/s 135.2 km/h / 37.6 m/s N/A Fog , Snow Light Snow
1:47 AM -19.0 °C -39.0 °C -19.0 °C 100% - 0.0 km WNW 114.8 km/h / 31.9 m/s 124.1 km/h / 34.5 m/s N/A Fog , Snow Light Snow
2:55 AM -21.0 °C -40.5 °C -21.0 °C 100% - 0.0 km WNW 92.6 km/h / 25.7 m/s 114.8 km/h / 31.9 m/s N/A Fog , Snow Light Freezing Fog
3:56 AM -22.0 °C -42.0 °C -22.0 °C 100% - 0.0 km WNW 92.6 km/h / 25.7 m/s 103.7 km/h / 28.8 m/s N/A Fog , Snow Light Freezing Fog
4:50 AM -23.0 °C -41.6 °C -23.0 °C 100% - 0.1 km WNW 70.4 km/h / 19.5 m/s 83.3 km/h / 23.1 m/s N/A Fog , Snow Light Freezing Fog
5:52 AM -21.0 °C -39.3 °C -21.0 °C 100% - 0.2 km NW 75.9 km/h / 21.1 m/s - N/A Fog , Snow Light Freezing Fog
6:56 AM -22.0 °C -39.7 °C -22.0 °C 100% - 0.2 km NW 64.8 km/h / 18.0 m/s 74.1 km/h / 20.6 m/s N/A Fog , Snow Light Freezing Fog
7:49 AM -16.0 °C -31.6 °C -16.0 °C 100% - 0.1 km NNW 68.5 km/h / 19.0 m/s 83.3 km/h / 23.1 m/s N/A Fog , Snow Light Snow
8:54 AM -17.0 °C -30.6 °C -17.0 °C 100% - 0.2 km North 44.4 km/h / 12.3 m/s 63.0 km/h / 17.5 m/s N/A Fog , Snow Light Snow
9:53 AM -17.0 °C -30.9 °C -17.0 °C 100% - 0.2 km North 46.3 km/h / 12.9 m/s 68.5 km/h / 19.0 m/s N/A Fog , Snow Light Snow
11:50 AM -16.0 °C -31.3 °C -16.0 °C 100% - 0.1 km North 64.8 km/h / 18.0 m/s 77.8 km/h / 21.6 m/s N/A Fog , Snow Light Snow
12:52 PM -15.0 °C -30.6 °C -15.0 °C 100% - 0.1 km North 74.1 km/h / 20.6 m/s 85.2 km/h / 23.7 m/s N/A Fog , Snow Light Snow
1:49 PM -16.0 °C -31.8 °C -16.0 °C 100% - 0.1 km North 70.4 km/h / 19.5 m/s 81.5 km/h / 22.6 m/s N/A Fog , Snow Light Snow
2:50 PM -17.0 °C -32.9 °C -17.0 °C 100% - 0.1 km North 66.7 km/h / 18.5 m/s 85.2 km/h / 23.7 m/s N/A Fog , Snow Light Snow
3:48 PM -17.0 °C -33.6 °C -17.0 °C 100% - 0.0 km North 75.9 km/h / 21.1 m/s 96.3 km/h / 26.8 m/s N/A Fog , Snow Light Snow
4:58 PM -17.0 °C -34.4 °C -17.0 °C 100% - 0.0 km North 87.0 km/h / 24.2 m/s 100.0 km/h / 27.8 m/s N/A Fog , Snow Light Snow
5:49 PM -16.0 °C -33.2 °C -16.0 °C 100% - 0.0 km North 90.7 km/h / 25.2 m/s 111.1 km/h / 30.9 m/s N/A Fog , Snow Light Snow
6:47 PM -15.0 °C -32.3 °C -15.0 °C 100% - 0.0 km North 100.0 km/h / 27.8 m/s 111.1 km/h / 30.9 m/s N/A Fog , Snow Light Snow
7:48 PM -15.0 °C -30.9 °C -15.0 °C 100% - 0.0 km North 77.8 km/h / 21.6 m/s 107.4 km/h / 29.8 m/s N/A Fog , Snow Light Snow
8:49 PM -15.0 °C -31.2 °C -15.0 °C 100% - 0.0 km North 81.5 km/h / 22.6 m/s 98.2 km/h / 27.3 m/s N/A Fog , Snow Light Freezing Fog
9:50 PM -14.0 °C -28.7 °C -14.0 °C 100% - 0.1 km NNE 66.7 km/h / 18.5 m/s 96.3 km/h / 26.8 m/s N/A Fog , Snow Light Freezing Fog
10:51 PM -14.0 °C -29.2 °C -14.0 °C 100% - 0.2 km NNE 74.1 km/h / 20.6 m/s 83.3 km/h / 23.1 m/s N/A Fog , Snow Light Freezing Fog
11:52 PM -14.0 °C -28.5 °C -14.0 °C 100% - 0.4 km NNE 64.8 km/h / 18.0 m/s 77.8 km/h / 21.6 m/s N/A Fog , Snow Light Freezing Fog