Weather History for Copper Harbor, MI

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Wednesday, December 21, 2011

  Actual Average Record
Temperature  
Mean Temperature 33 °F -  
Max Temperature 36 °F 26 °F 37 °F (2007)
Min Temperature 30 °F 17 °F 6 °F (1999)
Degree Days  
Heating Degree Days 32    
Moisture  
Dew Point 24 °F    
Average Humidity 67    
Maximum Humidity 82    
Minimum Humidity 50    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.68 in    
Wind  
Wind Speed 6 mph (North)    
Max Wind Speed 16 mph    
Max Gust Speed -    
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. 21, 2011 Rise Set
Actual Time 8:36 AM EST 5:02 PM EST
Civil Twilight 8:00 AM EST 5:38 PM EST
Nautical Twilight 7:21 AM EST 6:18 PM EST
Astronomical Twilight 6:43 AM EST 6:55 PM EST
Moon 5:04 AM EST (12/21) 2:25 PM EST (12/21)
Length of Visible Light 9h 38m
Length of Day
8h 26m
Waning Crescent, 12% of the Moon is Illuminated
Dec 21
Waning Crescent
Dec 24
New
Jan 1
First Quarter
Jan 9
Full
Jan 16
Last 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 30.9 °F 25.2 °F 19.0 °F 61% 29.65 in - Variable 5.8 mph - N/A   Unknown
1:51 AM 30.9 °F 26.2 °F 18.0 °F 59% 29.65 in - Variable 4.6 mph - N/A   Unknown
2:51 AM 30.9 °F 26.2 °F 17.1 °F 57% 29.65 in - Variable 4.6 mph - N/A   Unknown
3:51 AM 32.0 °F 28.7 °F 15.1 °F 50% 29.64 in - Variable 3.5 mph - N/A   Unknown
4:51 AM 32.0 °F 27.5 °F 17.1 °F 54% 29.61 in - Variable 4.6 mph - N/A   Unknown
5:51 AM 33.1 °F 28.7 °F 19.9 °F 59% 29.60 in - Variable 4.6 mph - N/A   Unknown
6:51 AM 33.1 °F 27.7 °F 21.9 °F 64% 29.60 in - Variable 5.8 mph - N/A   Unknown
7:51 AM 33.1 °F - 21.9 °F 64% 29.60 in - Calm Calm - N/A   Unknown
8:51 AM 33.1 °F 28.7 °F 25.0 °F 72% 29.61 in - Variable 4.6 mph - N/A   Unknown
9:51 AM 32.0 °F 26.4 °F 21.9 °F 66% 29.62 in - West 5.8 mph - N/A   Unknown
10:51 AM 30.9 °F 27.5 °F 21.0 °F 67% 29.63 in - Variable 3.5 mph - N/A   Unknown
12:51 PM 33.1 °F 28.7 °F 23.0 °F 66% 29.63 in - Variable 4.6 mph - N/A   Unknown
2:51 PM 36.0 °F 28.5 °F 28.0 °F 73% 29.65 in - North 10.4 mph - N/A   Unknown
3:51 PM 36.0 °F 27.5 °F 28.0 °F 73% 29.68 in - North 12.7 mph - N/A   Unknown
4:51 PM 36.0 °F 27.5 °F 28.0 °F 73% 29.70 in - North 12.7 mph - N/A   Unknown
5:51 PM 36.0 °F 27.5 °F 28.0 °F 73% 29.73 in - North 12.7 mph - N/A   Unknown
6:51 PM 36.0 °F 28.0 °F 28.9 °F 76% 29.73 in - North 11.5 mph - N/A   Unknown
7:51 PM 36.0 °F 29.6 °F 28.0 °F 73% 29.77 in - North 8.1 mph - N/A   Unknown
8:51 PM 36.0 °F 28.0 °F 28.0 °F 73% 29.79 in - NNE 11.5 mph - N/A   Unknown
9:51 PM - - - N/A% - - North - - N/A   Unknown
10:51 PM 35.1 °F 26.9 °F 30.0 °F 82% 29.84 in - NE 11.5 mph - N/A   Unknown
11:51 PM 35.1 °F 25.2 °F 27.0 °F 72% 29.87 in - NNE 16.1 mph - N/A   Unknown