837  
CDUS42 KKEY 102122  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
422 PM EST WED JAN 10 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JANUARY 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 84 1967 76 MM 76  
1971  
2016  
MINIMUM MM MM 41 2010 64 MM 69  
AVERAGE MM 70 MM 73  
 
PRECIPITATION (IN)  
TODAY 0.30 2.20 1993 0.04 0.26 0.00  
MONTH TO DATE 0.60 0.46 0.14 0.04  
SINCE DEC 1 9.18 2.66 6.52 3.28  
SINCE JAN 1 0.60 0.46 0.14 0.04  
 
DEGREE DAYS  
HEATING  
TODAY MM 1 MM 0  
MONTH TO DATE 1 10 -9 0  
SINCE DEC 1 2 27 -25 28  
SINCE JUL 1 2 28 -26 28  
 
COOLING  
TODAY MM 6 MM 8  
MONTH TO DATE 51 63 -12 109  
SINCE DEC 1 259 319 -60 425  
SINCE JAN 1 51 63 -12 109    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 6.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 85 1971  
1993  
MINIMUM TEMPERATURE (F) 64 39 2010  
 
SUNRISE AND SUNSET  
JANUARY 10 2024.......SUNRISE 710 AM EST SUNSET 553 PM EST  
JANUARY 11 2024.......SUNRISE 711 AM EST SUNSET 554 PM EST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
TEMPERATURE DATA AT MARATHON CONTINUES TO REMAIN MISSING DUE TO  
A SENSOR FAILURE. DATA FOR THE MONTH WILL BE BACKFILLED FROM THE  
OFFICIAL BACKUP SITE AT CURRY HAMMOCK STATE PARK UPON A SITE  
VISIT AT A LATER DATE. WE THANK YOU FOR YOUR CONTINUED PATIENCE  
AND UNDERSTANDING.  
 
ROSS  
 
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