394  
CDUS42 KKEY 122016  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
416 PM EDT TUE MAR 12 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MARCH 12 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 88 2022 80 MM 87  
MINIMUM MM MM 52 1996 68 MM 70  
AVERAGE MM 74 MM 79  
 
PRECIPITATION (IN)  
TODAY 0.00 0.93 2018 0.04 -0.04 0.00  
MONTH TO DATE 0.24 0.47 -0.23 T  
SINCE MAR 1 0.24 0.47 -0.23 T  
SINCE JAN 1 4.21 3.81 0.40 1.48  
 
DEGREE DAYS  
HEATING  
TODAY MM 0 MM 0  
MONTH TO DATE MM 0 MM 0  
SINCE MAR 1 MM 0 MM 0  
SINCE JUL 1 8 66 -58 44  
 
COOLING  
TODAY MM 9 MM 14  
MONTH TO DATE MM 108 MM 179  
SINCE MAR 1 MM 108 MM 179  
SINCE JAN 1 405 514 -109 849    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 80 89 2023  
MINIMUM TEMPERATURE (F) 68 52 1959  
1996  
 
SUNRISE AND SUNSET  
MARCH 12 2024.........SUNRISE 736 AM EDT SUNSET 732 PM EDT  
MARCH 13 2024.........SUNRISE 735 AM EDT SUNSET 733 PM EDT  
 
- 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 BACK FILLED  
IN THE PRELIMINARY LOCAL CLIMATOLOGICAL DATA (CF6MTH) MONTHLY VIEW  
PRODUCT 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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