Weather History for Key West, FL

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Sunday, December 9, 2012

  Actual Average Record
Temperature  
Mean Temperature 78 °F 72 °F  
Max Temperature 83 °F 77 °F 85 °F (1948)
Min Temperature 72 °F 68 °F 53 °F (1928)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 1  
Cooling Degree Days 13 8  
Month to date cooling degree days 85 74  
Year to date cooling degree days 4639 4607  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 73 °F    
Average Humidity 87    
Maximum Humidity 100    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in 0.08 in 3.88 in (2002)
Month to date precipitation 0.66 0.74  
Year to date precipitation 46.99 38.35  
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 30.03 in    
Wind  
Wind Speed 4 mph (NE)    
Max Wind Speed 10 mph    
Max Gust Speed 12 mph    
Visibility 8 miles    
Events Fog    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Astronomy

Dec. 09, 2012 Rise Set
Actual Time 6:59 AM EST 5:39 PM EST
Civil Twilight 6:35 AM EST 6:04 PM EST
Nautical Twilight 6:06 AM EST 6:32 PM EST
Astronomical Twilight 5:38 AM EST 7:00 PM EST
Moon 2:50 AM EST (12/9) 2:29 PM EST (12/9)
Length of Visible Light 11h 28m
Length of Day
10h 39m
Waning Crescent, 19% of the Moon is Illuminated
Dec 9
Waning Crescent
Dec 13
New
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 73.0 °F - 72.0 °F 96% 30.02 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
1:53 AM 73.0 °F - 72.0 °F 96% 30.01 in 10.0 mi NNE 4.6 mph - N/A   Scattered Clouds
2:03 AM 73.4 °F - 71.6 °F 94% 30.01 in 10.0 mi NE 3.5 mph - N/A   Mostly Cloudy
2:13 AM 73.4 °F - 71.6 °F 94% 30.01 in 9.0 mi NNE 3.5 mph - N/A   Partly Cloudy
2:53 AM 73.0 °F - 72.0 °F 96% 29.99 in 10.0 mi Calm Calm - N/A   Partly Cloudy
3:53 AM 73.0 °F - 72.0 °F 96% 30.00 in 10.0 mi NE 3.5 mph - N/A   Partly Cloudy
4:51 AM 73.4 °F - 71.6 °F 94% 30.01 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
4:53 AM 73.0 °F - 72.0 °F 96% 30.01 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
5:28 AM 73.4 °F - 71.6 °F 94% 30.02 in 10.0 mi NNE 5.8 mph - N/A   Mostly Cloudy
5:53 AM 73.0 °F - 72.0 °F 96% 30.03 in 10.0 mi NNE 4.6 mph - N/A   Overcast
6:19 AM 71.6 °F - 71.6 °F 100% 30.03 in 1.8 mi NNE 8.1 mph - N/A   Overcast
6:30 AM 71.6 °F - 71.6 °F 100% 30.03 in 1.0 mi NNE 5.8 mph - N/A   Mist
6:43 AM 71.6 °F - 71.6 °F 100% 30.04 in 0.8 mi NNE 6.9 mph - N/A   Mist
6:50 AM 71.6 °F - 71.6 °F 100% 30.04 in 0.5 mi NE 5.8 mph - N/A Fog Fog
6:53 AM 72.0 °F - 71.1 °F 97% 30.04 in 0.5 mi NNE 5.8 mph - N/A Fog Fog
7:09 AM 71.6 °F - 71.6 °F 100% 30.04 in 0.2 mi NNE 5.8 mph - N/A Fog Fog
7:53 AM 72.0 °F - 72.0 °F 100% 30.05 in 0.2 mi NE 4.6 mph - N/A Fog Fog
8:44 AM 73.4 °F - 73.4 °F 100% 30.07 in 0.5 mi NNE 5.8 mph - N/A Fog Fog
8:53 AM 73.0 °F - 73.0 °F 100% 30.07 in 0.5 mi NE 5.8 mph - N/A Fog Fog
9:00 AM 73.4 °F - 73.4 °F 100% 30.07 in 1.0 mi NE 4.6 mph - N/A   Mist
9:10 AM 73.4 °F - 73.4 °F 100% 30.07 in 2.0 mi NE 3.5 mph - N/A   Overcast
9:20 AM 73.4 °F - 73.4 °F 100% 30.08 in 5.0 mi NE 4.6 mph - N/A   Mostly Cloudy
9:36 AM 73.4 °F - 73.4 °F 100% 30.08 in 10.0 mi ENE 5.8 mph - N/A   Partly Cloudy
9:53 AM 78.1 °F - 75.0 °F 90% 30.08 in 10.0 mi NE 3.5 mph - N/A   Clear
10:53 AM 80.1 °F 84.5 °F 73.9 °F 81% 30.08 in 10.0 mi Calm Calm - N/A   Clear
11:24 AM 78.8 °F - 73.4 °F 83% 30.07 in 10.0 mi North 8.1 mph - N/A   Mostly Cloudy
11:43 AM 80.6 °F 85.4 °F 73.4 °F 79% 30.06 in 10.0 mi NNE 6.9 mph - N/A   Scattered Clouds
11:53 AM 81.0 °F 86.2 °F 73.9 °F 79% 30.06 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
12:53 PM 82.0 °F 87.9 °F 73.9 °F 76% 30.03 in 10.0 mi Variable 3.5 mph - N/A   Clear
1:53 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.00 in 10.0 mi NE 4.6 mph - N/A   Partly Cloudy
2:53 PM 81.0 °F 86.2 °F 73.9 °F 79% 30.00 in 10.0 mi NNE 5.8 mph - N/A   Partly Cloudy
3:53 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.00 in 10.0 mi NNE 5.8 mph - N/A   Scattered Clouds
4:04 PM 80.6 °F 85.4 °F 73.4 °F 79% 30.00 in 10.0 mi NNE 6.9 mph - N/A   Mostly Cloudy
4:38 PM 78.8 °F - 73.4 °F 83% 29.99 in 10.0 mi NE 3.5 mph - N/A   Scattered Clouds
4:53 PM 80.1 °F 84.5 °F 73.9 °F 81% 30.00 in 10.0 mi NNE 4.6 mph - N/A   Partly Cloudy
5:53 PM 78.1 °F - 73.9 °F 87% 30.01 in 10.0 mi NE 4.6 mph - N/A   Scattered Clouds
6:53 PM 77.0 °F - 73.9 °F 90% 30.02 in 10.0 mi ENE 4.6 mph - N/A   Clear
7:53 PM 77.0 °F - 73.9 °F 90% 30.02 in 10.0 mi ENE 3.5 mph - N/A   Clear
8:53 PM 75.9 °F - 73.9 °F 94% 30.03 in 10.0 mi ENE 4.6 mph - N/A   Clear
9:53 PM 75.9 °F - 73.9 °F 94% 30.04 in 10.0 mi East 5.8 mph - N/A   Mostly Cloudy
10:53 PM 77.0 °F - 73.9 °F 90% 30.04 in 10.0 mi East 3.5 mph - N/A   Partly Cloudy
11:53 PM 77.0 °F - 75.0 °F 94% 30.03 in 10.0 mi East 6.9 mph - N/A   Mostly Cloudy