415  
CDUS42 KKEY 200528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT FRI JUN 20 2025  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 19 2025
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 242 PM 95 2010 91 -3 88  
MINIMUM 83 1159 PM 70 1995 79 4 79  
AVERAGE 86 85 1 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.40 1999 0.13 -0.13 0.28  
MONTH TO DATE 4.95 2.80 2.15 6.64  
SINCE JUN 1 4.95 2.80 2.15 6.64  
SINCE JAN 1 10.39 12.94 -2.55 22.25  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 31 71 -40 8  
 
COOLING  
YESTERDAY 21 20 1 19  
MONTH TO DATE 362 365 -3 366  
SINCE JUN 1 362 365 -3 366  
SINCE JAN 1 2046 1988 58 2132    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.7  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 65  
AVERAGE 72  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 94 2004  
2009  
2010  
MINIMUM TEMPERATURE (F) 79 70 1953  
1956  
 
SUNRISE AND SUNSET  
JUNE 20 2025..........SUNRISE 636 AM EDT SUNSET 816 PM EDT  
JUNE 21 2025..........SUNRISE 636 AM EDT SUNSET 816 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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