426  
CDUS42 KKEY 210527  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
127 AM EDT FRI JUN 21 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR JUNE 20 2024  
 
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)  
YESTERDAY  
MAXIMUM 89 1221 PM 94 2004 91 -2 93  
2009  
2010  
MINIMUM 80 430 AM 70 1953 79 1 82  
1956  
AVERAGE 85 85 0 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 1.98 2005 0.13 -0.09 0.00  
MONTH TO DATE 6.68 2.93 3.75 2.32  
SINCE JUN 1 6.68 2.93 3.75 2.32  
SINCE JAN 1 22.29 13.07 9.22 11.46  
 
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 8 71 -63 44  
 
COOLING  
YESTERDAY 20 20 0 23  
MONTH TO DATE 386 385 1 411  
SINCE JUN 1 386 385 1 411  
SINCE JAN 1 2152 2008 144 2604    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (120)  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 68  
AVERAGE 75  
   
......................................................  
 
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 2024..........SUNRISE 636 AM EDT SUNSET 816 PM EDT  
JUNE 22 2024..........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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