Weather History for Marathon, FL

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Tuesday, December 18, 2012

  Actual Average Record
Temperature  
Mean Temperature 78 °F 71 °F  
Max Temperature 84 °F 76 °F 84 °F (2012)
Min Temperature 72 °F 66 °F 52 °F (2003)
Degree Days  
Heating Degree Days 0 1  
Month to date heating degree days 0 11  
Since 1 July heating degree days 1 12  
Cooling Degree Days 13 7  
Month to date cooling degree days 218 148  
Year to date cooling degree days 5203 4912  
Growing Degree Days 28 (Base 50)    
Moisture  
Dew Point 68 °F    
Average Humidity 76    
Maximum Humidity 87    
Minimum Humidity 64    
Precipitation  
Precipitation 0.00 in 0.08 in 0.11 in (2004)
Month to date precipitation 0.29 1.20  
Year to date precipitation 44.37 45.35  
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 29.98 in    
Wind  
Wind Speed 4 mph (NNW)    
Max Wind Speed 9 mph    
Max Gust Speed 13 mph    
Visibility 10 miles    
Events      
T = Trace of Precipitation, MM = Missing Value Source: NWS Daily Summary

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Date:

Astronomy

Dec. 18, 2012 Rise Set
Actual Time 7:02 AM EST 5:39 PM EST
Civil Twilight 6:37 AM EST 6:04 PM EST
Nautical Twilight 6:09 AM EST 6:32 PM EST
Astronomical Twilight 5:41 AM EST 7:00 PM EST
Moon 11:14 AM EST (12/18) 11:27 PM EST (12/18)
Length of Visible Light 11h 26m
Length of Day
10h 36m
Waxing Crescent, 34% of the Moon is Illuminated
Dec 18
Waxing Crescent
Dec 20
First Quarter
Dec 28
Full
Jan 4
Last Quarter
Jan 11
New

Hourly Weather History & Observations

Time (EST) Temp. Heat Index Dew Point Humidity Pressure Visibility Wind Dir Wind Speed Gust Speed Precip Events Conditions
12:53 AM 73.9 °F - 69.1 °F 85% 29.95 in 10.0 mi Calm Calm - N/A   Clear
1:53 AM 73.0 °F - 66.9 °F 81% 29.95 in 10.0 mi Calm Calm - N/A   Clear
2:53 AM 75.0 °F - 68.0 °F 79% 29.93 in 10.0 mi South 3.5 mph - N/A   Clear
3:53 AM 75.9 °F - 68.0 °F 76% 29.92 in 10.0 mi Variable 4.6 mph - N/A   Clear
4:53 AM 75.9 °F - 68.0 °F 76% 29.94 in 10.0 mi SSW 4.6 mph - N/A   Clear
6:53 AM 75.0 °F - 70.0 °F 84% 29.98 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
7:53 AM 75.9 °F - 70.0 °F 82% 29.99 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
8:53 AM 78.1 °F - 71.1 °F 79% 30.00 in 10.0 mi Calm Calm - N/A   Mostly Cloudy
9:53 AM 82.0 °F 85.9 °F 70.0 °F 67% 30.01 in 10.0 mi Calm Calm - N/A   Clear
10:53 AM 82.0 °F 85.9 °F 70.0 °F 67% 30.01 in 10.0 mi Calm Calm - N/A   Clear
11:41 AM 82.4 °F 86.3 °F 69.8 °F 66% 30.01 in 10.0 mi Variable 3.5 mph - N/A   Mostly Cloudy
11:53 AM 80.1 °F 83.2 °F 70.0 °F 71% 30.01 in 10.0 mi Variable 5.8 mph - N/A   Overcast
12:40 PM 78.8 °F - 69.8 °F 74% 29.99 in 10.0 mi North 4.6 mph - N/A   Mostly Cloudy
12:53 PM 80.1 °F 83.2 °F 70.0 °F 71% 29.98 in 10.0 mi North 3.5 mph - N/A   Mostly Cloudy
1:53 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.97 in 10.0 mi NNW 4.6 mph - N/A   Clear
2:53 PM 80.1 °F 82.9 °F 69.1 °F 69% 29.96 in 10.0 mi NNW 5.8 mph - N/A   Clear
3:27 PM 80.6 °F 83.9 °F 69.8 °F 70% 29.96 in 10.0 mi NW 6.9 mph - N/A   Mostly Cloudy
3:51 PM 78.8 °F - 66.2 °F 65% 29.96 in 10.0 mi NNW 6.9 mph - N/A   Scattered Clouds
3:53 PM 79.0 °F - 66.9 °F 66% 29.96 in 10.0 mi Variable 3.5 mph - N/A   Partly Cloudy
4:53 PM 77.0 °F - 64.0 °F 64% 29.98 in 10.0 mi NNW 6.9 mph - N/A   Clear
5:53 PM 75.9 °F - 64.0 °F 67% 29.98 in 10.0 mi NNW 4.6 mph - N/A   Clear
6:53 PM 75.0 °F - 66.0 °F 73% 29.99 in 10.0 mi NNW 4.6 mph - N/A   Clear
7:53 PM 75.0 °F - 64.9 °F 71% 30.01 in 10.0 mi North 4.6 mph - N/A   Clear
8:53 PM 75.0 °F - 64.9 °F 71% 30.02 in 10.0 mi North 6.9 mph - N/A   Clear
9:53 PM 75.0 °F - 66.0 °F 73% 30.02 in 10.0 mi North 5.8 mph - N/A   Clear
10:53 PM 75.0 °F - 66.9 °F 76% 30.03 in 10.0 mi NNW 5.8 mph - N/A   Clear
11:53 PM 73.9 °F - 66.9 °F 79% 30.02 in 10.0 mi North 6.9 mph - N/A   Clear