515  
CDUS42 KKEY 110545  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
145 AM EDT THU APR 11 2024  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR APRIL 10 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 82 210 PM 90 2018 84 -2 85  
MINIMUM 76 723 AM 60 1956 72 4 73  
2022  
AVERAGE 79 78 1 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.51 2010 0.06 -0.06 0.02  
MONTH TO DATE 0.00 0.58 -0.58 0.03  
SINCE MAR 1 4.18 1.91 2.27 1.05  
SINCE JAN 1 8.15 5.25 2.90 2.53  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 5 -5 0  
SINCE JUL 1 8 71 -63 44  
 
COOLING  
YESTERDAY 14 13 1 14  
MONTH TO DATE 121 120 1 176  
SINCE MAR 1 510 422 88 619  
SINCE JAN 1 915 828 87 1289    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 13.6  
 
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 85  
LOWEST 69  
AVERAGE 77  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 88 2008  
2019  
MINIMUM TEMPERATURE (F) 72 58 1960  
 
SUNRISE AND SUNSET  
APRIL 11 2024.........SUNRISE 706 AM EDT SUNSET 745 PM EDT  
APRIL 12 2024.........SUNRISE 705 AM EDT SUNSET 746 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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