Weather History for Copper Harbor, MI

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 22 °F -  
Max Temperature 28 °F 25 °F 43 °F (2004)
Min Temperature 15 °F 15 °F 1 °F (1998)
Degree Days  
Heating Degree Days 43    
Moisture  
Dew Point 13 °F    
Average Humidity 77    
Maximum Humidity 84    
Minimum Humidity 71    
Precipitation  
Precipitation 0.00 in - - ()
Sea Level Pressure  
Sea Level Pressure 29.98 in    
Wind  
Wind Speed 18 mph (North)    
Max Wind Speed 30 mph    
Max Gust Speed 38 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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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 8:39 AM EST 5:10 PM EST
Civil Twilight 8:03 AM EST 5:46 PM EST
Nautical Twilight 7:24 AM EST 6:25 PM EST
Astronomical Twilight 6:47 AM EST 7:02 PM EST
Moon 8:56 PM EST (12/31) 10:06 AM EST (12/31)
Length of Visible Light 9h 42m
Length of Day
8h 31m
Waning Gibbous, 90% of the Moon is Illuminated
Dec 31
Waning Gibbous
Jan 4
Last Quarter
Jan 11
New
Jan 18
First Quarter
Jan 26
Full

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 21.9 °F 13.4 °F 14.0 °F 72% 29.81 in - WSW 6.9 mph - N/A   Unknown
1:51 AM 23.0 °F 15.8 °F 15.1 °F 72% 29.78 in - WSW 5.8 mph - N/A   Unknown
2:51 AM 25.0 °F 19.3 °F 18.0 °F 75% 29.78 in - Variable 4.6 mph - N/A   Unknown
3:51 AM 28.0 °F 13.9 °F 21.9 °F 78% 29.79 in - North 23.0 mph 31.1 mph N/A   Unknown
4:51 AM 26.1 °F 9.6 °F 19.9 °F 78% 29.81 in - North 29.9 mph 36.8 mph N/A   Unknown
5:51 AM 24.1 °F 6.9 °F 18.0 °F 77% 29.85 in - North 29.9 mph 36.8 mph N/A   Unknown
6:51 AM 21.9 °F 4.8 °F 17.1 °F 82% 29.89 in - North 26.5 mph 34.5 mph N/A   Unknown
7:51 AM 21.0 °F 3.9 °F 14.0 °F 74% 29.91 in - North 25.3 mph 33.4 mph N/A   Unknown
8:51 AM 21.0 °F 4.6 °F 16.0 °F 81% 29.92 in - North 23.0 mph 32.2 mph N/A   Unknown
9:51 AM 19.9 °F 1.5 °F 15.1 °F 81% 29.96 in - North 28.8 mph 38.0 mph N/A   Unknown
10:51 AM 17.1 °F -0.6 °F 10.9 °F 77% 30.00 in - North 23.0 mph - N/A   Unknown
11:51 AM 16.0 °F -2.5 °F 12.0 °F 84% 30.02 in - North 24.2 mph 34.5 mph N/A   Unknown
12:51 PM 16.0 °F -2.1 °F 10.0 °F 77% 30.03 in - North 23.0 mph - N/A   Unknown
1:51 PM 16.0 °F -2.1 °F 12.0 °F 84% 30.02 in - North 23.0 mph 29.9 mph N/A   Unknown
2:51 PM 16.0 °F -1.3 °F 10.0 °F 77% 30.03 in - North 20.7 mph 31.1 mph N/A   Unknown
3:51 PM 16.0 °F -2.5 °F 10.0 °F 77% 30.05 in - North 24.2 mph 31.1 mph N/A   Unknown
4:51 PM 17.1 °F 0.1 °F 10.9 °F 77% 30.06 in - North 20.7 mph 31.1 mph N/A   Unknown
5:51 PM 16.0 °F -2.5 °F 10.0 °F 77% 30.09 in - North 24.2 mph 29.9 mph N/A   Unknown
6:51 PM 17.1 °F 1.0 °F 10.0 °F 74% 30.11 in - North 18.4 mph 25.3 mph N/A   Unknown
7:51 PM 17.1 °F 1.0 °F 10.0 °F 74% 30.12 in - North 18.4 mph - N/A   Unknown
8:51 PM 17.1 °F -0.3 °F 10.9 °F 77% 30.12 in - NNE 21.9 mph 26.5 mph N/A   Unknown
9:51 PM 16.0 °F -0.4 °F 12.0 °F 84% 30.14 in - NNE 18.4 mph 26.5 mph N/A   Unknown
10:51 PM 16.0 °F -0.4 °F 8.1 °F 71% 30.14 in - NNE 18.4 mph - N/A   Unknown
11:51 PM 15.1 °F -0.6 °F 10.0 °F 80% 30.15 in - NNE 16.1 mph 26.5 mph N/A   Unknown