480  
CDUS42 KKEY 220536  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
136 AM EDT WED MAY 22 2024  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 21 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 88 451 PM 92 2008 88 0 92  
2019  
2023  
MINIMUM 79 632 AM 69 1954 76 3 78  
1994  
AVERAGE 84 82 2 85  
 
PRECIPITATION (IN)  
YESTERDAY T 2.47 2018 0.12 -0.12 T  
MONTH TO DATE 7.08 2.07 5.01 1.14  
SINCE MAR 1 11.61 5.51 6.10 5.07  
SINCE JAN 1 15.58 8.85 6.73 6.55  
 
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 19 17 2 20  
MONTH TO DATE 392 338 54 377  
SINCE MAR 1 1157 1039 118 1346  
SINCE JAN 1 1562 1445 117 2016    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION NE (40)  
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 85  
LOWEST 67  
AVERAGE 76  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2008  
MINIMUM TEMPERATURE (F) 76 69 1951  
 
SUNRISE AND SUNSET  
MAY 22 2024...........SUNRISE 637 AM EDT SUNSET 805 PM EDT  
MAY 23 2024...........SUNRISE 637 AM EDT SUNSET 805 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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