Weather History for Mt. Washington, NH

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Monday, September 17, 2012

  Actual Average Record
Temperature  
Mean Temperature 39 °F -  
Max Temperature 46 °F 45 °F 57 °F (1991)
Min Temperature 32 °F 35 °F 19 °F (2013)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 32 °F    
Average Humidity 74    
Maximum Humidity 100    
Minimum Humidity 20    
Precipitation  
Precipitation 0.00 in - - ()
Wind  
Wind Speed 30 mph (West)    
Max Wind Speed 39 mph    
Max Gust Speed 43 mph    
Visibility 2 miles    
Events Fog    
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

Sep. 17, 2012 Rise Set
Actual Time 6:27 AM EDT 6:51 PM EDT
Civil Twilight 5:58 AM EDT 7:20 PM EDT
Nautical Twilight 5:23 AM EDT 7:54 PM EDT
Astronomical Twilight 4:48 AM EDT 8:29 PM EDT
Moon 8:19 AM EDT (9/17) 7:23 PM EDT (9/17)
Length of Visible Light 13h 22m
Length of Day
12h 24m
Waxing Crescent, 3% of the Moon is Illuminated
Sep 17
Waxing Crescent
Sep 22
First Quarter
Sep 29
Full
Oct 8
Last Quarter
Oct 15
New

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:52 AM 32.0 °F 16.0 °F 17.6 °F 55% - 120.0 mi WNW 39.1 mph - N/A   Clear
1:55 AM 37.4 °F 23.8 °F 8.6 °F 30% - 120.0 mi WNW 36.8 mph - N/A   Partly Cloudy
2:56 AM 37.4 °F 25.9 °F 5.0 °F 26% - 130.0 mi WNW 25.3 mph - N/A   Partly Cloudy
3:55 AM 39.2 °F 28.5 °F 5.0 °F 24% - 130.0 mi WNW 24.2 mph - N/A   Partly Cloudy
4:56 AM 37.4 °F 25.9 °F 8.6 °F 30% - 130.0 mi WNW 25.3 mph - N/A   Partly Cloudy
5:57 AM 37.4 °F 24.8 °F -0.4 °F 20% - 130.0 mi WNW 31.1 mph - N/A   Partly Cloudy
6:56 AM 37.4 °F 24.4 °F 1.4 °F 22% - 120.0 mi NW 33.4 mph - N/A   Scattered Clouds
7:50 AM 39.2 °F 26.8 °F 37.4 °F 93% - 10.0 mi NW 33.4 mph - N/A   Overcast
8:57 AM 41.4 °F 29.5 °F 40.1 °F 95% - 120.0 mi WNW 35.7 mph - N/A Fog Patches of Fog
9:52 AM 42.8 °F 31.6 °F 39.2 °F 87% - 50.0 mi WNW 34.5 mph 42.6 mph N/A   Partly Cloudy
10:52 AM 44.6 °F 34.2 °F 41.0 °F 87% - 40.0 mi WNW 33.4 mph - N/A   Partly Cloudy
11:49 AM 44.6 °F 34.6 °F 44.6 °F 100% - 0.1 mi West 31.1 mph - N/A Fog Fog
12:51 PM 44.6 °F 34.4 °F 44.6 °F 100% - 0.1 mi West 32.2 mph 38.0 mph N/A Fog Fog
1:53 PM 46.4 °F 37.0 °F 42.8 °F 87% - 50.0 mi West 31.1 mph 39.1 mph N/A   Mostly Cloudy
2:52 PM 46.4 °F 37.5 °F 42.8 °F 87% - 50.0 mi West 27.6 mph 35.7 mph N/A   Mostly Cloudy
3:58 PM 46.4 °F 37.7 °F 42.8 °F 87% - 35.0 mi WNW 26.5 mph 35.7 mph N/A   Scattered Clouds
4:50 PM 46.4 °F 38.5 °F 42.8 °F 87% - 40.0 mi WNW 21.9 mph - N/A   Scattered Clouds
5:50 PM 46.4 °F 39.5 °F 42.8 °F 87% - 40.0 mi WNW 17.3 mph - N/A   Scattered Clouds
6:56 PM 44.6 °F 37.2 °F 42.8 °F 93% - 40.0 mi West 17.3 mph - N/A   Scattered Clouds
7:54 PM 44.6 °F 37.4 °F 42.8 °F 93% - 40.0 mi West 16.1 mph - N/A   Partly Cloudy
8:56 PM 44.6 °F 38.4 °F 42.8 °F 93% - 40.0 mi WSW 12.7 mph - N/A   Scattered Clouds
9:50 PM 44.2 °F 37.3 °F 43.9 °F 99% - 0.1 mi SW 15.0 mph - N/A   Overcast
10:52 PM 44.6 °F 37.8 °F 44.6 °F 100% - 0.1 mi SSW 15.0 mph - N/A Fog Fog
11:59 PM 42.8 °F 33.3 °F 42.8 °F 100% - 0.1 mi South 24.2 mph - N/A Fog Fog