259  
CDUS42 KKEY 092134  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
534 PM EDT SUN AUG 09 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR AUGUST 9 2026  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 87 317 PM 97 2023 92 -5 87  
MINIMUM 80 438 AM 69 1967 80 0 80  
AVERAGE 84 86 -2 84  
 
PRECIPITATION (IN)  
TODAY 0.12 2.52 1967 0.15 -0.03 T  
MONTH TO DATE 0.23 1.39 -1.16 2.08  
SINCE JUN 1 4.74 9.39 -4.65 9.76  
SINCE JAN 1 15.59 19.53 -3.94 15.20  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 21 -2 19  
MONTH TO DATE 187 189 -2 188  
SINCE JUN 1 1431 1396 35 1395  
SINCE JAN 1 3003 3019 -16 3079    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 72  
AVERAGE 79  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 98 1987  
MINIMUM TEMPERATURE (F) 80 71 1953  
 
SUNRISE AND SUNSET  
AUGUST 9 2026........SUNRISE 656 AM EDT SUNSET 803 PM EDT  
AUGUST 10 2026........SUNRISE 657 AM EDT SUNSET 802 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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