943  
CDUS42 KKEY 022116  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
416 PM EST TUE JAN 02 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 2 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 86 1973 76 MM 82  
MINIMUM MM MM 49 2008 65 MM 71  
AVERAGE MM 70 MM 77  
 
PRECIPITATION (IN)  
TODAY 0.00 1.30 1958 0.04 -0.04 0.01  
MONTH TO DATE 0.00 0.09 -0.09 0.01  
SINCE DEC 1 8.58 2.29 6.29 3.25  
SINCE JAN 1 0.00 0.09 -0.09 0.01  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 0  
MONTH TO DATE MM 2 MM 0  
SINCE DEC 1 1 19 -18 28  
SINCE JUL 1 1 20 -19 28  
 
COOLING  
TODAY MM 7 MM 12  
MONTH TO DATE MM 14 MM 23  
SINCE DEC 1 208 270 -62 339  
SINCE JAN 1 MM 14 MM 23    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (360)  
AVERAGE WIND SPEED 5.3  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
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) 76 88 2017  
MINIMUM TEMPERATURE (F) 65 43 2008  
 
SUNRISE AND SUNSET  
JANUARY 2 2024.......SUNRISE 709 AM EST SUNSET 548 PM EST  
JANUARY 3 2024.......SUNRISE 709 AM EST SUNSET 548 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
THE MARATHON ASOS TEMPERATURE SENSOR HAS FAILED AND A  
REPLACEMENT PART IS ON ORDER. UNFORTUNATELY, THERE IS  
CURRENTLY NO ESTIMATED TIME OF ARRIVAL FOR THE SENSOR  
OR RETURN-TO-SERVICE DATE FOR THE DATA. TEMPERATURE  
DATA FROM A BACKUP OBSERVATION SITE AT CURRY HAMMOCK  
STATE PARK WILL BE BACK-FILLED AFTER AN UPCOMING SITE  
VISIT THIS WEEK.  
 
ROSS  
 
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