Weather History for Key West, FL

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Tuesday, December 31, 2013

  Actual Average Record
Temperature  
Mean Temperature 75 °F 70 °F  
Max Temperature 79 °F 74 °F 83 °F (1981)
Min Temperature 71 °F 65 °F 47 °F (1917)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 15  
Since 1 July heating degree days 0 18  
Cooling Degree Days 10 6  
Month to date cooling degree days 340 217  
Year to date cooling degree days 5101 4750  
Growing Degree Days 25 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 84    
Maximum Humidity 93    
Minimum Humidity 74    
Precipitation  
Precipitation 0.00 in 0.06 in 1.99 in (2001)
Month to date precipitation 1.09 2.22  
Year to date precipitation 46.69 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 30.14 in    
Wind  
Wind Speed 13 mph (NE)    
Max Wind Speed 18 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, 2013 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 6:06 AM EST (12/31) 5:19 PM EST (12/31)
Length of Visible Light 11h 28m
Length of Day
10h 38m
Waning Crescent, 1% of the Moon is Illuminated
Dec 31
Waning Crescent
Jan 1
New
Jan 7
First Quarter
Jan 15
Full
Jan 24
Last Quarter

Hourly Weather History & Observations

Time (EST) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:20 AM 73.0 °F 70.0 °F 90% 30.12 in 10.0 mi North 6.9 mph - N/A   Mostly Cloudy
12:53 AM 73.0 °F 71.1 °F 93% 30.12 in 10.0 mi North 5.8 mph - N/A   Scattered Clouds
1:22 AM 73.0 °F 70.0 °F 90% 30.12 in 10.0 mi NNE 8.1 mph - N/A   Mostly Cloudy
1:53 AM 72.0 °F 69.1 °F 91% 30.12 in 10.0 mi NNE 8.1 mph - N/A   Partly Cloudy
2:53 AM 72.0 °F 69.1 °F 91% 30.11 in 10.0 mi NNE 10.4 mph - N/A   Clear
3:31 AM 72.0 °F 69.1 °F 91% 30.10 in 10.0 mi NNE 11.5 mph - N/A   Mostly Cloudy
3:53 AM 72.0 °F 69.1 °F 91% 30.11 in 10.0 mi NNE 11.5 mph - N/A   Overcast
4:48 AM 71.6 °F 69.8 °F 94% 30.10 in 10.0 mi NNE 10.4 mph - N/A   Overcast
4:53 AM 71.1 °F 69.1 °F 93% 30.10 in 10.0 mi NE 10.4 mph - N/A   Overcast
5:12 AM 71.1 °F 69.1 °F 93% 30.10 in 10.0 mi NE 10.4 mph - N/A   Overcast
5:53 AM 72.0 °F 70.0 °F 93% 30.11 in 10.0 mi NE 8.1 mph - N/A   Overcast
6:53 AM 71.1 °F 68.0 °F 90% 30.15 in 10.0 mi NNE 11.5 mph 20.7 mph N/A   Overcast
7:24 AM 71.1 °F 68.0 °F 90% 30.16 in 10.0 mi NE 9.2 mph - N/A   Overcast
7:53 AM 71.1 °F 68.0 °F 90% 30.17 in 10.0 mi NE 10.4 mph - N/A   Overcast
8:42 AM 72.0 °F 68.0 °F 87% 30.19 in 10.0 mi NE 9.2 mph - N/A   Overcast
8:53 AM 72.0 °F 68.0 °F 87% 30.19 in 10.0 mi NE 11.5 mph 19.6 mph N/A   Overcast
9:53 AM 75.9 °F 69.1 °F 79% 30.19 in 10.0 mi NNE 11.5 mph 18.4 mph N/A   Clear
10:53 AM 75.0 °F 69.1 °F 82% 30.19 in 10.0 mi NNE 15.0 mph - N/A   Clear
11:53 AM 75.9 °F 69.1 °F 79% 30.18 in 10.0 mi NNE 17.3 mph 24.2 mph N/A   Mostly Cloudy
12:53 PM 75.9 °F 69.1 °F 79% 30.15 in 10.0 mi NE 15.0 mph - N/A   Clear
1:53 PM 78.1 °F 69.1 °F 74% 30.12 in 10.0 mi NE 15.0 mph 21.9 mph N/A   Clear
2:23 PM 78.1 °F 69.1 °F 74% 30.11 in 10.0 mi NNE 15.0 mph 21.9 mph N/A   Mostly Cloudy
2:53 PM 77.0 °F 69.1 °F 76% 30.11 in 10.0 mi NE 13.8 mph 19.6 mph N/A   Mostly Cloudy
3:53 PM 77.0 °F 70.0 °F 79% 30.11 in 10.0 mi ENE 12.7 mph 19.6 mph N/A   Overcast
4:53 PM 75.9 °F 69.1 °F 79% 30.13 in 10.0 mi NE 12.7 mph 21.9 mph N/A   Overcast
5:22 PM 75.0 °F 69.1 °F 82% 30.13 in 10.0 mi ENE 13.8 mph - N/A   Overcast
5:53 PM 73.9 °F 69.1 °F 85% 30.13 in 10.0 mi ENE 15.0 mph 20.7 mph N/A   Overcast
6:19 PM 73.9 °F 69.1 °F 85% 30.14 in 10.0 mi NE 10.4 mph 20.7 mph N/A   Overcast
6:53 PM 73.9 °F 68.0 °F 82% 30.14 in 10.0 mi NE 13.8 mph 20.7 mph N/A   Overcast
7:42 PM 73.0 °F 69.1 °F 87% 30.16 in 10.0 mi NE 11.5 mph 20.7 mph N/A   Mostly Cloudy
7:53 PM 73.0 °F 69.1 °F 87% 30.17 in 10.0 mi NE 15.0 mph 24.2 mph N/A   Mostly Cloudy
8:18 PM 73.0 °F 69.1 °F 87% 30.17 in 10.0 mi ENE 12.7 mph 21.9 mph N/A   Overcast
8:26 PM 73.0 °F 69.1 °F 87% 30.17 in 10.0 mi ENE 13.8 mph 20.7 mph N/A   Overcast
8:31 PM 73.0 °F 69.1 °F 87% 30.17 in 10.0 mi ENE 9.2 mph 20.7 mph N/A   Overcast
8:53 PM 73.0 °F 69.1 °F 87% 30.18 in 10.0 mi NE 12.7 mph 23.0 mph N/A   Overcast
9:53 PM 73.0 °F 69.1 °F 87% 30.18 in 10.0 mi NE 11.5 mph 23.0 mph N/A   Overcast
10:23 PM 73.0 °F 69.1 °F 87% 30.18 in 10.0 mi NE 10.4 mph 20.7 mph N/A   Mostly Cloudy
10:53 PM 73.0 °F 69.1 °F 87% 30.17 in 10.0 mi NE 15.0 mph 21.9 mph N/A   Mostly Cloudy
11:53 PM 73.0 °F 68.0 °F 84% 30.16 in 10.0 mi ENE 12.7 mph 20.7 mph N/A   Overcast