010  
CDUS42 KKEY 310528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT MON JUL 31 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR JULY 30 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 95 228 PM 97 1987 91 4 92  
MINIMUM 83 615 AM 67 1953 80 3 78  
AVERAGE 89 86 3 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.79 1983 0.12 -0.12 0.01  
MONTH TO DATE 3.51 3.64 -0.13 2.53  
SINCE JUN 1 7.13 7.87 -0.74 11.45  
SINCE JAN 1 16.27 18.01 -1.74 18.29  
 
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 24 21 3 20  
MONTH TO DATE 740 602 138 665  
SINCE JUN 1 1366 1184 182 1241  
SINCE JAN 1 3559 2807 752 3155    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 5.1  
 
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 88  
LOWEST 62  
AVERAGE 75  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 92 97 1993  
MINIMUM TEMPERATURE (F) 80 70 1954  
 
SUNRISE AND SUNSET  
JULY 31 2023..........SUNRISE 652 AM EDT SUNSET 809 PM EDT  
AUGUST 1 2023........SUNRISE 652 AM EDT SUNSET 809 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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