Weather History for Key West, FL

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Monday, March 18, 2013

  Actual Average Record
Temperature  
Mean Temperature 76 °F 73 °F  
Max Temperature 79 °F 78 °F 86 °F (1881)
Min Temperature 72 °F 68 °F 53 °F (1915)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 12 0  
Since 1 July heating degree days 24 66  
Cooling Degree Days 11 9  
Month to date cooling degree days 74 144  
Year to date cooling degree days 608 492  
Growing Degree Days 26 (Base 50)    
Moisture  
Dew Point 69 °F    
Average Humidity 82    
Maximum Humidity 90    
Minimum Humidity 74    
Precipitation  
Precipitation 0.01 in 0.07 in 1.01 in (1950)
Month to date precipitation 0.18 1.30  
Year to date precipitation 1.72 4.83  
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 30.01 in    
Wind  
Wind Speed 9 mph (SE)    
Max Wind Speed 18 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Mar. 18, 2013 Rise Set
Actual Time 7:32 AM EDT 7:37 PM EDT
Civil Twilight 7:10 AM EDT 8:00 PM EDT
Nautical Twilight 6:43 AM EDT 8:26 PM EDT
Astronomical Twilight 6:17 AM EDT 8:53 PM EDT
Moon 12:06 PM EDT (3/18) 1:01 AM EDT (3/18)
Length of Visible Light 12h 50m
Length of Day
12h 04m
Waxing Crescent, 40% of the Moon is Illuminated
Mar 18
Waxing Crescent
Mar 19
First Quarter
Mar 27
Full
Apr 3
Last Quarter
Apr 10
New

Hourly Weather History & Observations

Time (EDT) Temp. Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 73.0 °F 66.9 °F 81% 30.06 in 10.0 mi ESE 8.1 mph - N/A   Clear
1:53 AM 73.0 °F 68.0 °F 84% 30.03 in 10.0 mi ESE 11.5 mph - N/A   Clear
2:53 AM 73.0 °F 68.0 °F 84% 30.01 in 10.0 mi ESE 11.5 mph - N/A   Clear
3:53 AM 73.0 °F 68.0 °F 84% 30.00 in 10.0 mi ESE 9.2 mph - N/A   Mostly Cloudy
4:09 AM 73.4 °F 68.0 °F 83% 30.00 in 10.0 mi ESE 10.4 mph - N/A   Scattered Clouds
4:53 AM 73.0 °F 69.1 °F 87% 29.99 in 10.0 mi ESE 9.2 mph - N/A   Clear
5:53 AM 73.9 °F 69.1 °F 85% 30.00 in 10.0 mi SE 11.5 mph - N/A   Clear
6:53 AM 73.0 °F 69.1 °F 87% 30.01 in 10.0 mi SE 10.4 mph - N/A   Clear
7:53 AM 73.0 °F 68.0 °F 84% 30.03 in 9.0 mi SSE 11.5 mph - N/A   Clear
8:53 AM 73.9 °F 69.1 °F 85% 30.04 in 10.0 mi SE 12.7 mph - N/A   Clear
9:53 AM 75.9 °F 69.1 °F 79% 30.05 in 10.0 mi SSE 11.5 mph - N/A   Clear
10:53 AM 75.9 °F 69.1 °F 79% 30.05 in 10.0 mi SSE 13.8 mph - N/A   Mostly Cloudy
11:53 AM 77.0 °F 69.1 °F 76% 30.04 in 10.0 mi SSE 13.8 mph - N/A   Partly Cloudy
12:53 PM 78.1 °F 70.0 °F 76% 30.02 in 10.0 mi SSE 13.8 mph - N/A   Clear
1:53 PM 78.1 °F 70.0 °F 76% 30.00 in 10.0 mi SSE 13.8 mph - N/A   Partly Cloudy
2:53 PM 77.0 °F 69.1 °F 76% 29.98 in 10.0 mi SSE 11.5 mph 19.6 mph N/A   Clear
3:53 PM 77.0 °F 70.0 °F 79% 29.97 in 9.0 mi SSE 6.9 mph - N/A   Mostly Cloudy
4:53 PM 77.0 °F 70.0 °F 79% 29.97 in 10.0 mi ESE 3.5 mph - 0.00 in   Scattered Clouds
5:53 PM 75.0 °F 69.1 °F 82% 29.99 in 5.0 mi North 3.5 mph - 0.01 in Rain Light Rain
6:53 PM 73.9 °F 69.1 °F 85% 29.99 in 9.0 mi NNW 8.1 mph - 0.00 in   Overcast
7:14 PM 73.4 °F 68.0 °F 83% 29.99 in 10.0 mi NW 9.2 mph - N/A   Overcast
7:53 PM 72.0 °F 68.0 °F 87% 29.99 in 10.0 mi NNW 3.5 mph - N/A   Clear
8:53 PM 72.0 °F 68.0 °F 87% 29.98 in 10.0 mi Calm Calm - N/A   Partly Cloudy
9:53 PM 72.0 °F 68.0 °F 87% 29.99 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
10:53 PM 73.0 °F 68.0 °F 84% 30.00 in 10.0 mi Calm Calm - N/A   Partly Cloudy
11:53 PM 73.0 °F 68.0 °F 84% 29.99 in 10.0 mi ESE 6.9 mph - N/A   Partly Cloudy