Mt. Washington, NH

3:23 AM EDT on October 20, 2017 (GMT -0400)
Mt. Washington

Weather History for KMWN - September, 2011

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Tuesday, September 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 40 °F -  
Max Temperature 42 °F 44 °F 59 °F (2000)
Min Temperature 37 °F 34 °F 15 °F (1979)
Degree Days  
Heating Degree Days 26    
Moisture  
Dew Point 38 °F    
Average Humidity 92    
Maximum Humidity 100    
Minimum Humidity 45    
Precipitation  
Precipitation 0.02 in - - ()
Wind  
Wind Speed 38 mph (West)    
Max Wind Speed 48 mph    
Max Gust Speed 56 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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Daily Weather History Graph

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Date:

Astronomy

Sep. 20, 2011 Rise Set
Actual Time 6:29 AM EDT 6:46 PM EDT
Civil Twilight 6:00 AM EDT 7:15 PM EDT
Nautical Twilight 5:26 AM EDT 7:49 PM EDT
Astronomical Twilight 4:51 AM EDT 8:24 PM EDT
Moon 11:34 PM EDT 2:21 PM EDT
Length of Visible Light 13h 15m
Length of Day
12h 17m
Waning Gibbous, 49% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Windchill Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 37.4 °F 23.8 °F 19.4 °F 48% - 80.0 mi WSW 36.8 mph - N/A   Mostly Cloudy
1:54 AM 37.4 °F 23.6 °F 19.4 °F 48% - 70.0 mi WSW 38.0 mph - N/A   Mostly Cloudy
2:54 AM 37.4 °F 23.1 °F 17.6 °F 45% - 70.0 mi WSW 41.4 mph 46.0 mph N/A   Overcast
3:55 AM 37.4 °F 23.0 °F 23.0 °F 56% - 70.0 mi WSW 42.6 mph 47.2 mph N/A   Overcast
4:57 AM 37.4 °F 23.5 °F 37.4 °F 100% - 0.1 mi WSW 39.1 mph - N/A Fog Fog
5:52 AM 39.2 °F 25.7 °F 39.2 °F 100% - 0.1 mi West 41.4 mph - N/A Fog Fog
6:47 AM 41.0 °F 29.1 °F 41.0 °F 100% - 0.0 mi West 34.5 mph - N/A Fog Fog
7:53 AM 39.2 °F 27.0 °F 39.2 °F 100% - 0.0 mi West 32.2 mph - N/A Fog Fog
8:47 AM 41.0 °F 29.5 °F 41.0 °F 100% - 0.0 mi West 32.2 mph - N/A Fog Fog
9:47 AM 41.0 °F 29.1 °F 41.0 °F 100% - 0.0 mi West 34.5 mph - N/A Fog Fog
10:47 AM 41.0 °F 29.1 °F 41.0 °F 100% - 0.0 mi West 34.5 mph - N/A Fog Fog
11:49 AM 41.0 °F 28.8 °F 41.0 °F 100% - 0.0 mi West 36.8 mph - N/A Fog Fog
12:48 PM 42.8 °F 31.4 °F 42.8 °F 100% - 0.0 mi West 35.7 mph - N/A Fog Fog
1:48 PM 42.8 °F 31.6 °F 42.8 °F 100% - 0.0 mi West 34.5 mph - N/A Fog Fog
2:51 PM 42.8 °F 31.4 °F 42.8 °F 100% - 0.0 mi West 35.7 mph - N/A Fog Fog
3:47 PM 42.8 °F 30.5 °F 42.8 °F 100% - 0.0 mi West 42.6 mph - N/A Fog Fog
4:47 PM 42.8 °F 30.0 °F 42.8 °F 100% - 0.0 mi WNW 47.2 mph 50.6 mph N/A Fog Fog
5:47 PM 42.8 °F 30.7 °F 42.8 °F 100% - 0.0 mi WNW 41.4 mph 49.5 mph N/A Fog Fog
6:55 PM 41.0 °F 27.3 °F 41.0 °F 100% - 0.0 mi WNW 48.3 mph 56.4 mph N/A Fog Fog
7:51 PM 41.0 °F 27.6 °F 41.0 °F 100% - 0.0 mi WNW 46.0 mph 54.1 mph N/A Fog Fog
8:51 PM 41.0 °F 28.5 °F 41.0 °F 100% - 0.0 mi WNW 39.1 mph - N/A Fog Fog
9:54 PM 41.0 °F 28.2 °F 41.0 °F 100% - 0.0 mi WNW 41.4 mph - N/A Fog Fog
10:49 PM 41.0 °F 29.1 °F 41.0 °F 100% - 0.0 mi WNW 34.5 mph 46.0 mph N/A Fog Fog
11:56 PM 39.2 °F 26.8 °F 39.2 °F 100% - 0.0 mi WNW 33.4 mph - N/A Fog Fog