Mt. Washington, NH

6:23 AM EDT on May 27, 2018 (GMT -0400)
Mt. Washington

Weather History for KMWN - December, 2012

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Thursday, December 20, 2012

  Actual Average Record
Temperature  
Mean Temperature 20 °F -  
Max Temperature 28 °F 16 °F 37 °F (2002)
Min Temperature 12 °F 2 °F -23 °F (1980)
Degree Days  
Heating Degree Days 45    
Moisture  
Dew Point 6 °F    
Average Humidity 63    
Maximum Humidity 100    
Minimum Humidity 25    
Precipitation  
Precipitation 0.00 in - - ()
Snow  
Snow 0.00 in - - ()
Snow Depth 10.00 in    
Wind  
Wind Speed 27 mph (WSW)    
Max Wind Speed 38 mph    
Max Gust Speed 40 mph    
Averages and records for this station are not official NWS values.
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Astronomy

Dec. 20, 2012 Rise Set
Actual Time 7:17 AM EST 4:08 PM EST
Civil Twilight 6:44 AM EST 4:42 PM EST
Nautical Twilight 6:07 AM EST 5:18 PM EST
Astronomical Twilight 5:32 AM EST 5:54 PM EST
Moon 11:36 AM EST (12/20) No Moon Set
Length of Visible Light 9h 58m
Length of Day
8h 51m
First Quarter, 55% of the Moon is Illuminated
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 12.2 °F -11.3 °F 12.2 °F 100% - 0.0 mi NNW 38.0 mph - N/A Fog Light Freezing Fog
1:59 AM 12.2 °F -10.8 °F 12.2 °F 100% - 0.0 mi NNW 35.7 mph 40.3 mph N/A Fog Light Freezing Fog
2:55 AM 12.2 °F -10.2 °F 12.2 °F 100% - 0.0 mi NNW 33.4 mph - N/A Fog Light Freezing Fog
3:54 AM 15.8 °F -5.0 °F 15.8 °F 100% - 0.1 mi NNW 32.2 mph - N/A Fog Light Freezing Fog
4:57 AM 14.0 °F -6.5 °F 14.0 °F 100% - 0.1 mi NNW 28.8 mph - N/A Fog Light Freezing Fog
5:59 AM 15.8 °F -1.9 °F 14.0 °F 93% - 70.0 mi North 21.9 mph - N/A   Clear
6:51 AM 14.0 °F -6.5 °F 10.4 °F 86% - 70.0 mi North 28.8 mph - N/A   Clear
7:52 AM 19.4 °F 3.6 °F 12.2 °F 74% - 70.0 mi North 19.6 mph - N/A   Clear
8:56 AM 17.6 °F 5.0 °F 14.0 °F 86% - 90.0 mi North 11.5 mph - N/A   Partly Cloudy
9:55 AM 17.6 °F 6.4 °F 14.0 °F 86% - 100.0 mi East 9.2 mph - N/A   Clear
1:52 PM 28.4 °F 21.2 °F -4.0 °F 25% - 100.0 mi WSW 6.9 mph - N/A   Partly Cloudy
2:55 PM 28.4 °F 20.4 °F -0.4 °F 29% - 100.0 mi SSW 8.1 mph - N/A   Partly Cloudy
3:52 PM 26.6 °F 16.2 °F -4.0 °F 26% - 100.0 mi SSW 11.5 mph - N/A   Scattered Clouds
4:52 PM 26.6 °F 13.8 °F 5.0 °F 40% - 100.0 mi South 17.3 mph - N/A   Scattered Clouds
5:52 PM 24.8 °F 11.9 °F -0.4 °F 34% - 100.0 mi South 16.1 mph - N/A   Scattered Clouds
6:52 PM 24.8 °F 10.7 °F 1.4 °F 36% - 100.0 mi SSW 19.6 mph - N/A   Scattered Clouds
7:54 PM 26.6 °F 11.7 °F -4.0 °F 26% - 100.0 mi SSW 24.2 mph - N/A   Overcast
8:55 PM 23.0 °F 8.3 °F 1.4 °F 39% - 100.0 mi South 19.6 mph - N/A   Overcast
9:59 PM 19.4 °F 2.1 °F 3.2 °F 49% - 100.0 mi South 24.2 mph - N/A   Overcast
10:57 PM 19.4 °F -1.1 °F 3.2 °F 49% - 100.0 mi South 36.8 mph - N/A   Overcast
11:58 PM 19.4 °F -0.0 °F 1.4 °F 46% - 100.0 mi South 32.2 mph - N/A   Overcast