Marathon, FL

7:25 PM EDT on August 20, 2017 (GMT -0400)
Florida Keys Marathon

Weather History for KMTH - September, 2011

Change the Weather History Date:

Monday, September 19, 2011

  Actual Average Record
Temperature  
Mean Temperature 85 °F 84 °F  
Max Temperature 90 °F 89 °F 94 °F (2006)
Min Temperature 79 °F 79 °F 72 °F (2001)
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 20 19  
Month to date cooling degree days 400 364  
Year to date cooling degree days 4129 3750  
Growing Degree Days 35 (Base 50)    
Moisture  
Dew Point 74 °F    
Average Humidity 67    
Maximum Humidity 74    
Minimum Humidity 59    
Precipitation  
Precipitation 0.08 in 0.29 in 3.56 in (2001)
Month to date precipitation 2.47 5.27  
Year to date precipitation 14.46 34.09  
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 29.95 in    
Wind  
Wind Speed 7 mph (East)    
Max Wind Speed 17 mph    
Max Gust Speed 24 mph    
Visibility 9 miles    
Events Rain    
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

Daily Weather History Graph

Daily Weather History Graph

Search for Another Location

Airport or City:

Trip Planner

Search our weather history database for the weather conditions in past years. The results will help you decide how hot, cold, wet, or windy it might be!

Date:

Astronomy

Sep. 19, 2011 Rise Set
Actual Time 7:11 AM EDT 7:24 PM EDT
Civil Twilight 6:48 AM EDT 7:46 PM EDT
Nautical Twilight 6:22 AM EDT 8:13 PM EDT
Astronomical Twilight 5:55 AM EDT 8:40 PM EDT
Moon No Moon Rise 1:17 PM EDT (9/19)
Length of Visible Light 12h 57m
Length of Day
12h 12m
Waning Gibbous, 59% of the Moon is Illuminated
Sep 19
Waning Gibbous
Sep 20
Last Quarter
Sep 27
New
Oct 3
First Quarter
Oct 11
Full

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 82.9 °F 89.4 °F 73.9 °F 74% 29.99 in 10.0 mi East 4.6 mph - N/A   Scattered Clouds
1:53 AM 82.9 °F 89.4 °F 73.9 °F 74% 29.96 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
2:53 AM 82.9 °F 89.4 °F 73.9 °F 74% 29.94 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
3:53 AM 82.0 °F 87.9 °F 73.9 °F 76% 29.94 in 10.0 mi East 4.6 mph - N/A   Partly Cloudy
4:53 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.94 in 10.0 mi East 6.9 mph - N/A   Clear
5:53 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.95 in 10.0 mi East 6.9 mph - N/A   Partly Cloudy
6:53 AM 82.0 °F 87.4 °F 73.0 °F 74% 29.96 in 10.0 mi East 9.2 mph - N/A   Clear
7:53 AM 82.9 °F 88.8 °F 73.0 °F 72% 29.97 in 10.0 mi East 5.8 mph - N/A   Scattered Clouds
8:53 AM 82.9 °F 88.0 °F 72.0 °F 69% 29.98 in 10.0 mi ENE 4.6 mph - N/A   Partly Cloudy
9:07 AM 82.4 °F 89.5 °F 75.2 °F 79% 29.98 in 1.5 mi SE 8.1 mph 16.1 mph 0.06 in Rain Heavy Rain
9:18 AM 80.6 °F 86.2 °F 75.2 °F 84% 29.98 in 4.0 mi East 4.6 mph - 0.08 in Rain Light Rain
9:53 AM 84.0 °F 92.6 °F 75.9 °F 76% 29.98 in 9.0 mi East 4.6 mph - 0.08 in Rain Light Rain
11:53 AM 88.0 °F 97.5 °F 75.0 °F 65% 29.99 in 10.0 mi East 9.2 mph - N/A   Mostly Cloudy
12:59 PM - - - N/A% - - North - - N/A   Unknown
1:53 PM - - - N/A% - - North - - N/A   Unknown
2:53 PM 89.1 °F 98.0 °F 73.9 °F 61% 29.93 in 10.0 mi East 9.2 mph - N/A   Unknown
3:53 PM 90.0 °F 101.3 °F 75.9 °F 63% 29.91 in 10.0 mi Variable 5.8 mph - N/A   Partly Cloudy
4:53 PM 88.0 °F 97.5 °F 75.0 °F 65% 29.90 in 10.0 mi East 9.2 mph - N/A   Clear
5:53 PM 87.1 °F 97.3 °F 75.9 °F 69% 29.90 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
6:53 PM 84.9 °F 93.3 °F 75.0 °F 72% 29.91 in 10.0 mi East 8.1 mph - N/A   Scattered Clouds
7:53 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.92 in 10.0 mi East 8.1 mph - N/A   Clear
8:53 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.94 in 10.0 mi East 8.1 mph - N/A   Partly Cloudy
9:53 PM 84.0 °F 90.2 °F 73.0 °F 69% 29.96 in 10.0 mi East 6.9 mph - N/A   Clear
10:53 PM 84.0 °F 91.2 °F 73.9 °F 72% 29.96 in 10.0 mi East 5.8 mph - N/A   Partly Cloudy
11:53 PM 84.0 °F 91.9 °F 75.0 °F 74% 29.96 in 10.0 mi East 9.2 mph - N/A   Clear