462  
CDUS42 KKEY 102121  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
421 PM EST SAT FEB 10 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR FEBRUARY 10 2024
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM MM MM 85 1989 78 MM 85  
2023  
MINIMUM MM MM 44 1995 66 MM 74  
AVERAGE MM 72 MM 80  
 
PRECIPITATION (IN)  
TODAY 0.03 0.69 1989 0.07 -0.04 0.03  
MONTH TO DATE 0.92 0.69 0.23 0.31  
SINCE DEC 1 10.55 4.53 6.02 4.08  
SINCE JAN 1 1.97 2.33 -0.36 0.84  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 0  
MONTH TO DATE MM 3 MM 0  
SINCE DEC 1 6 53 -47 44  
SINCE JUL 1 6 54 -48 44  
 
COOLING  
TODAY MM 8 MM 15  
MONTH TO DATE MM 68 MM 136  
SINCE DEC 1 461 512 -51 752  
SINCE JAN 1 247 256 -9 436    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 78 86 1986  
2019  
2023  
MINIMUM TEMPERATURE (F) 66 48 1973  
 
SUNRISE AND SUNSET  
FEBRUARY 10 2024......SUNRISE 702 AM EST SUNSET 615 PM EST  
FEBRUARY 11 2024......SUNRISE 701 AM EST SUNSET 616 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
TEMPERATURE DATA AT THE FLORIDA KEYS MARATHON INTERNATIONAL AIRPORT  
REMAINS UNAVAILABLE DUE TO A SENSOR FAILURE. DATA WILL BE BACKFILLED  
FROM THE OFFICIAL BACKUP SOURCE AT THE NWS COOP SITE LOCATED AT  
CURRY HAMMOCK STATE PARK, FOLLOWING A FUTURE SITE VISIT.  
 
ROSS  
 
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