389  
CDUS42 KKEY 010530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT MON JUN 01 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 31 2026  
 
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)  
YESTERDAY  
MAXIMUM 90 135 PM 93 2005 89 1 90  
MINIMUM 82 643 AM 68 1960 77 5 81  
AVERAGE 86 83 3 86  
 
PRECIPITATION (IN)  
YESTERDAY T 2.91 1960 0.13 -0.13 0.00  
MONTH TO DATE 4.89 3.36 1.53 2.33  
SINCE MAR 1 9.98 6.80 3.18 2.94  
SINCE JAN 1 10.85 10.14 0.71 5.44  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 5 -5 0  
SINCE JUL 1 112 71 41 31  
 
COOLING  
YESTERDAY 21 18 3 21  
MONTH TO DATE 533 516 17 562  
SINCE MAR 1 1270 1217 53 1262  
SINCE JAN 1 1572 1623 -51 1684    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (250)  
AVERAGE WIND SPEED 3.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2019  
MINIMUM TEMPERATURE (F) 77 65 1955  
 
SUNRISE AND SUNSET  
JUNE 1 2026..........SUNRISE 635 AM EDT SUNSET 810 PM EDT  
JUNE 2 2026..........SUNRISE 635 AM EDT SUNSET 810 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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