432  
CDUS42 KKEY 210527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT SAT JUN 21 2025  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 20 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 88 358 PM 94 2004 91 -3 89  
2009  
2010  
MINIMUM 81 608 AM 70 1953 79 2 80  
1956  
AVERAGE 85 85 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.98 2005 0.13 -0.13 0.04  
MONTH TO DATE 4.95 2.93 2.02 6.68  
SINCE JUN 1 4.95 2.93 2.02 6.68  
SINCE JAN 1 10.39 13.07 -2.68 22.29  
 
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 20 20 0 20  
MONTH TO DATE 382 385 -3 386  
SINCE JUN 1 382 385 -3 386  
SINCE JAN 1 2066 2008 58 2152    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 61  
AVERAGE 72  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 94 1992  
2004  
2023  
MINIMUM TEMPERATURE (F) 79 70 1953  
 
SUNRISE AND SUNSET  
JUNE 21 2025..........SUNRISE 636 AM EDT SUNSET 816 PM EDT  
JUNE 22 2025..........SUNRISE 636 AM EDT SUNSET 817 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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