878  
CDUS42 KKEY 200530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT THU JUL 20 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 19 2023
 
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 96R 1159 AM 96 2018 91 5 93  
MINIMUM 84 547 AM 71 1953 79 5 83  
1972  
AVERAGE 90 85 5 88  
 
PRECIPITATION (IN)  
YESTERDAY T 1.22 1992 0.13 -0.13 0.00  
MONTH TO DATE 0.43 2.22 -1.79 1.85  
SINCE JUN 1 4.05 6.45 -2.40 10.77  
SINCE JAN 1 13.19 16.59 -3.40 17.61  
 
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 0 0 0 0  
 
COOLING  
YESTERDAY 25 20 5 23  
MONTH TO DATE 475 380 95 426  
SINCE JUN 1 1101 962 139 1002  
SINCE JAN 1 3294 2585 709 2916    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 8.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 56  
AVERAGE 68  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 91 94 2004  
2018  
MINIMUM TEMPERATURE (F) 80 70 1959  
1972  
 
SUNRISE AND SUNSET  
JULY 20 2023..........SUNRISE 647 AM EDT SUNSET 814 PM EDT  
JULY 21 2023..........SUNRISE 647 AM EDT SUNSET 814 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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