657  
CDUS42 KKEY 190530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT THU OCT 19 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR OCTOBER 18 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 81 328 PM 90 2007 86 -5 88  
MINIMUM 68 645 AM 65 1956 76 -8 78  
2000  
2009  
AVERAGE 75 81 -6 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.89 1995 0.18 -0.18 0.06  
MONTH TO DATE 4.51 3.83 0.68 1.84  
SINCE SEP 1 12.00 10.20 1.80 8.64  
SINCE JAN 1 35.56 33.66 1.90 29.49  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 10 16 -6 18  
MONTH TO DATE 330 308 22 323  
SINCE SEP 1 985 882 103 957  
SINCE JAN 1 5294 4352 942 4831    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 54  
AVERAGE 64  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 91 2007  
2012  
2013  
MINIMUM TEMPERATURE (F) 76 61 2009  
 
SUNRISE AND SUNSET  
OCTOBER 19 2023.......SUNRISE 724 AM EDT SUNSET 654 PM EDT  
OCTOBER 20 2023.......SUNRISE 725 AM EDT SUNSET 653 PM EDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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