Weather History for Key West, FL

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Monday, January 21, 2013

  Actual Average Record
Temperature  
Mean Temperature 73 °F 69 °F  
Max Temperature 77 °F 74 °F 86 °F (1877)
Min Temperature 69 °F 64 °F 46 °F (1971)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 1 21  
Since 1 July heating degree days 5 39  
Cooling Degree Days 8 5  
Month to date cooling degree days 215 107  
Year to date cooling degree days 215 107  
Growing Degree Days 23 (Base 50)    
Moisture  
Dew Point 66 °F    
Average Humidity 85    
Maximum Humidity 97    
Minimum Humidity 73    
Precipitation  
Precipitation 0.00 in 0.08 in 3.11 in (1958)
Month to date precipitation 0.29 1.39  
Year to date precipitation 0.29 1.39  
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 30.06 in    
Wind  
Wind Speed 8 mph (NNW)    
Max Wind Speed 15 mph    
Max Gust Speed 18 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Jan. 21, 2013 Rise Set
Actual Time 7:12 AM EST 6:04 PM EST
Civil Twilight 6:48 AM EST 6:29 PM EST
Nautical Twilight 6:20 AM EST 6:56 PM EST
Astronomical Twilight 5:53 AM EST 7:24 PM EST
Moon 1:45 PM EST (1/21) 2:38 AM EST (1/21)
Length of Visible Light 11h 40m
Length of Day
10h 52m
Waxing Gibbous, 75% of the Moon is Illuminated
Jan 21
Waxing Gibbous
Jan 26
Full
Feb 3
Last Quarter
Feb 10
New
Feb 17
First Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 71.1 °F 66.9 °F 87% 30.05 in 10.0 mi North 5.8 mph - N/A   Overcast
1:53 AM 71.1 °F 66.9 °F 87% 30.04 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
2:53 AM 71.1 °F 68.0 °F 90% 30.03 in 10.0 mi NNW 4.6 mph - N/A   Overcast
3:53 AM 71.6 °F 68.0 °F 88% 30.03 in 10.0 mi North 4.6 mph - N/A   Overcast
4:53 AM 70.0 °F 68.0 °F 93% 30.02 in 10.0 mi North 5.8 mph - N/A   Clear
5:53 AM 70.0 °F 66.9 °F 90% 30.03 in 10.0 mi NNW 4.6 mph - N/A   Clear
6:53 AM 69.8 °F 66.2 °F 88% 30.05 in 10.0 mi North 4.6 mph - N/A   Clear
7:53 AM 70.0 °F 68.0 °F 93% 30.06 in 9.0 mi North 3.5 mph - N/A   Partly Cloudy
8:53 AM 73.0 °F 68.0 °F 84% 30.08 in 10.0 mi NNW 9.2 mph - N/A   Clear
9:53 AM 72.0 °F 66.9 °F 84% 30.10 in 10.0 mi NW 9.2 mph - N/A   Clear
10:11 AM 73.4 °F 66.2 °F 78% 30.11 in 10.0 mi NNW 9.2 mph - N/A   Mostly Cloudy
10:53 AM 73.9 °F 66.9 °F 79% 30.11 in 10.0 mi NNW 5.8 mph - N/A   Scattered Clouds
11:53 AM 75.0 °F 66.9 °F 76% 30.09 in 10.0 mi NNW 9.2 mph - N/A   Clear
12:53 PM 73.9 °F 66.0 °F 76% 30.07 in 10.0 mi NNW 11.5 mph - N/A   Scattered Clouds
1:53 PM 75.0 °F 66.0 °F 73% 30.04 in 10.0 mi NW 9.2 mph - N/A   Clear
2:53 PM 75.0 °F 66.9 °F 76% 30.03 in 10.0 mi NW 11.5 mph - N/A   Clear
3:53 PM 75.0 °F 66.0 °F 73% 30.04 in 10.0 mi NW 12.7 mph - N/A   Clear
4:53 PM 73.0 °F 64.0 °F 73% 30.05 in 10.0 mi NW 10.4 mph - N/A   Clear
5:53 PM 73.0 °F 64.0 °F 73% 30.05 in 10.0 mi NW 10.4 mph - N/A   Clear
6:53 PM 72.0 °F 64.0 °F 76% 30.06 in 10.0 mi NNW 9.2 mph - N/A   Clear
7:53 PM 71.1 °F 64.0 °F 78% 30.07 in 10.0 mi NNW 10.4 mph - N/A   Clear
8:53 PM 71.1 °F 64.9 °F 81% 30.07 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
9:32 PM 71.6 °F 64.4 °F 78% 30.08 in 10.0 mi NNW 8.1 mph - N/A   Mostly Cloudy
9:45 PM 71.6 °F 64.4 °F 78% 30.08 in 10.0 mi NNW 10.4 mph - N/A   Scattered Clouds
9:53 PM 70.0 °F 64.0 °F 81% 30.08 in 10.0 mi NNW 9.2 mph - N/A   Partly Cloudy
10:53 PM 70.0 °F 64.0 °F 81% 30.09 in 10.0 mi NNW 10.4 mph - N/A   Partly Cloudy
11:53 PM 70.0 °F 63.0 °F 78% 30.09 in 10.0 mi NNW 12.7 mph - N/A   Scattered Clouds