Weather History for Key West, FL

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Monday, December 31, 2012

  Actual Average Record
Temperature  
Mean Temperature 70 °F 70 °F  
Max Temperature 75 °F 74 °F 83 °F (1981)
Min Temperature 64 °F 65 °F 47 °F (1917)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 4 15  
Since 1 July heating degree days 4 18  
Cooling Degree Days 5 6  
Month to date cooling degree days 270 217  
Year to date cooling degree days 4824 4750  
Growing Degree Days 20 (Base 50)    
Moisture  
Dew Point 60 °F    
Average Humidity 72    
Maximum Humidity 84    
Minimum Humidity 60    
Precipitation  
Precipitation 0.00 in 0.06 in 1.99 in (2001)
Month to date precipitation 0.67 2.22  
Year to date precipitation 47.00 39.83  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 30.21 in    
Wind  
Wind Speed 11 mph (East)    
Max Wind Speed 20 mph    
Max Gust Speed 25 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 31, 2012 Rise Set
Actual Time 7:10 AM EST 5:49 PM EST
Civil Twilight 6:46 AM EST 6:14 PM EST
Nautical Twilight 6:17 AM EST 6:42 PM EST
Astronomical Twilight 5:49 AM EST 7:10 PM EST
Moon 8:56 PM EST (12/31) 9:11 AM EST (12/31)
Length of Visible Light 11h 28m
Length of Day
10h 38m
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. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 64.9 °F 57.9 °F 78% 30.25 in 10.0 mi NE 11.5 mph 18.4 mph N/A   Overcast
1:53 AM 64.9 °F 57.9 °F 78% 30.23 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
2:53 AM 64.9 °F 57.9 °F 78% 30.22 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
3:53 AM 64.9 °F 59.0 °F 81% 30.22 in 10.0 mi NE 8.1 mph - N/A   Mostly Cloudy
4:53 AM 66.0 °F 59.0 °F 78% 30.21 in 10.0 mi NE 9.2 mph - N/A   Mostly Cloudy
5:53 AM 64.9 °F 59.0 °F 81% 30.22 in 10.0 mi ENE 8.1 mph - N/A   Overcast
6:53 AM 64.9 °F 59.0 °F 81% 30.22 in 10.0 mi NE 5.8 mph - N/A   Mostly Cloudy
7:53 AM 66.0 °F 60.1 °F 81% 30.23 in 10.0 mi NE 6.9 mph - N/A   Mostly Cloudy
8:53 AM 68.0 °F 62.1 °F 81% 30.24 in 10.0 mi NE 6.9 mph - N/A   Overcast
9:53 AM 71.1 °F 61.0 °F 70% 30.26 in 10.0 mi ENE 6.9 mph - N/A   Overcast
10:53 AM 73.0 °F 61.0 °F 66% 30.26 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
11:53 AM 73.9 °F 62.1 °F 66% 30.25 in 10.0 mi East 15.0 mph - N/A   Overcast
12:53 PM 73.9 °F 60.1 °F 62% 30.23 in 10.0 mi East 13.8 mph 20.7 mph N/A   Overcast
1:53 PM 73.9 °F 60.1 °F 62% 30.20 in 10.0 mi East 11.5 mph - N/A   Overcast
2:53 PM 75.0 °F 60.1 °F 60% 30.18 in 10.0 mi East 16.1 mph 24.2 mph N/A   Scattered Clouds
3:53 PM 73.9 °F 61.0 °F 64% 30.17 in 10.0 mi East 12.7 mph 21.9 mph N/A   Clear
4:53 PM 73.0 °F 60.1 °F 64% 30.17 in 10.0 mi East 13.8 mph - N/A   Clear
5:53 PM 71.1 °F 61.0 °F 70% 30.16 in 10.0 mi East 12.7 mph - N/A   Scattered Clouds
6:53 PM 72.0 °F 61.0 °F 68% 30.17 in 10.0 mi East 13.8 mph - N/A   Mostly Cloudy
7:53 PM 71.6 °F 62.6 °F 73% 30.17 in 10.0 mi East 12.7 mph - N/A   Mostly Cloudy
8:53 PM 72.0 °F 62.1 °F 71% 30.17 in 10.0 mi ESE 16.1 mph - N/A   Mostly Cloudy
9:53 PM 73.4 °F 60.8 °F 65% 30.17 in 10.0 mi ESE 12.7 mph - N/A   Overcast
10:53 PM 73.4 °F 60.8 °F 65% 30.18 in 10.0 mi SE 13.8 mph - N/A   Overcast
11:53 PM 73.0 °F 61.0 °F 66% 30.17 in 10.0 mi ESE 13.8 mph - N/A   Overcast