Key West, FL

9:20 AM EST on February 22, 2017 (GMT -0500)
Key West International

Weather History for KEYW - September, 2011

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Tuesday, September 20, 2011

  Actual Average Record
Temperature  
Mean Temperature 87 °F 83 °F  
Max Temperature 89 °F 88 °F 93 °F (1987)
Min Temperature 84 °F 78 °F 70 °F (1890)
Degree Days  
Heating Degree Days 0 0  
Month to date heating degree days 0 0  
Since 1 July heating degree days 0 0  
Cooling Degree Days 22 18  
Month to date cooling degree days 413 370  
Year to date cooling degree days 3870 3559  
Growing Degree Days 36 (Base 50)    
Moisture  
Dew Point 75 °F    
Average Humidity 74    
Maximum Humidity 80    
Minimum Humidity 68    
Precipitation  
Precipitation 0.00 in 0.24 in 4.86 in (1963)
Month to date precipitation 1.73 4.49  
Year to date precipitation 19.39 28.16  
Snow  
Snow 0.00 in - - ()
Month to date snowfall 0.0  
Since 1 July snowfall 0.0  
Since 1 September snowfall 0.0  
Snow Depth 0.00 in    
Sea Level Pressure  
Sea Level Pressure 29.93 in    
Wind  
Wind Speed 13 mph (ESE)    
Max Wind Speed 21 mph    
Max Gust Speed 26 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

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Date:

Astronomy

Sep. 20, 2011 Rise Set
Actual Time 7:14 AM EDT 7:25 PM EDT
Civil Twilight 6:52 AM EDT 7:48 PM EDT
Nautical Twilight 6:25 AM EDT 8:15 PM EDT
Astronomical Twilight 5:58 AM EDT 8:41 PM EDT
Moon 12:15 AM EDT (9/20) 2:11 PM EDT (9/20)
Length of Visible Light 12h 56m
Length of Day
12h 10m
Waning Gibbous, 49% of the Moon is Illuminated
Sep 20
Waning Gibbous
Sep 27
New
Oct 3
First Quarter
Oct 11
Full
Oct 19
Last Quarter

Hourly Weather History & Observations

Time (EDT) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 84.9 °F 92.1 °F 73.9 °F 69% 29.95 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
1:53 AM 84.9 °F 93.3 °F 75.0 °F 72% 29.93 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
2:53 AM 84.0 °F 91.2 °F 73.9 °F 72% 29.91 in 10.0 mi East 9.2 mph - N/A   Clear
3:53 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.89 in 10.0 mi ESE 15.0 mph - N/A   Clear
4:53 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.89 in 10.0 mi East 13.8 mph - N/A   Partly Cloudy
5:53 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.89 in 10.0 mi ESE 12.7 mph - N/A   Clear
6:53 AM 84.0 °F 91.9 °F 75.0 °F 74% 29.91 in 10.0 mi ESE 12.7 mph - N/A   Partly Cloudy
7:53 AM 84.9 °F 94.1 °F 75.9 °F 74% 29.93 in 10.0 mi ESE 11.5 mph - N/A   Partly Cloudy
8:53 AM 86.0 °F 95.1 °F 75.0 °F 70% 29.94 in 10.0 mi East 11.5 mph - N/A   Partly Cloudy
9:53 AM 87.8 °F 97.6 °F 75.2 °F 66% 29.96 in 10.0 mi ESE 10.4 mph - N/A   Clear
10:53 AM 88.0 °F 98.5 °F 75.9 °F 67% 29.96 in 10.0 mi ESE 15.0 mph - N/A   Clear
11:53 AM 88.0 °F 98.5 °F 75.9 °F 67% 29.96 in 10.0 mi East 15.0 mph - N/A   Partly Cloudy
12:53 PM 86.0 °F 96.9 °F 77.0 °F 74% 29.96 in 10.0 mi SSE 9.2 mph - N/A   Scattered Clouds
5:53 PM - - - N/A% - - North - - N/A   Unknown
6:53 PM 86.0 °F 95.1 °F 75.2 °F 70% 29.89 in 10.0 mi East 13.8 mph - N/A   Clear
7:53 PM 84.9 °F 94.1 °F 75.9 °F 74% 29.91 in 10.0 mi East 15.0 mph 21.9 mph N/A   Partly Cloudy
8:53 PM 84.2 °F 92.3 °F 75.2 °F 74% 29.93 in 10.0 mi East 17.3 mph 24.2 mph N/A   Clear
9:53 PM 86.0 °F 96.0 °F 75.9 °F 72% 29.94 in 10.0 mi East 11.5 mph 20.7 mph N/A   Partly Cloudy
10:53 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.95 in 10.0 mi East 18.4 mph - N/A   Partly Cloudy
11:53 PM 84.9 °F 95.3 °F 77.0 °F 77% 29.95 in 10.0 mi East 15.0 mph 21.9 mph N/A   Partly Cloudy