114  
CDUS42 KKEY 150528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT MON MAY 15 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 14 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 89 331 PM 96 2019 87 2 89  
MINIMUM 79 642 AM 65 1960 76 3 72  
AVERAGE 84 81 3 81  
 
PRECIPITATION (IN)  
YESTERDAY T 5.76 2020 0.10 -0.10 0.58  
MONTH TO DATE T 1.31 -1.31 1.02  
SINCE MAR 1 3.93 4.75 -0.82 2.98  
SINCE JAN 1 5.41 8.09 -2.68 5.21  
 
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 44 71 -27 30  
 
COOLING  
YESTERDAY 19 16 3 16  
MONTH TO DATE 242 220 22 239  
SINCE MAR 1 1211 921 290 1124  
SINCE JAN 1 1881 1327 554 1600    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 8.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 57  
AVERAGE 66  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1985  
1998  
MINIMUM TEMPERATURE (F) 76 64 1960  
 
SUNRISE AND SUNSET  
MAY 15 2023...........SUNRISE 641 AM EDT SUNSET 801 PM EDT  
MAY 16 2023...........SUNRISE 640 AM EDT SUNSET 802 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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