007  
CDUS42 KKEY 180530  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
130 AM EDT THU MAY 18 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 17 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 91 317 PM 94 2010 88 3 87  
MINIMUM 75 602 AM 63 1951 76 -1 76  
AVERAGE 83 82 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.49 2012 0.10 -0.01 0.00  
MONTH TO DATE 0.09 1.61 -1.52 1.02  
SINCE MAR 1 4.02 5.05 -1.03 2.98  
SINCE JAN 1 5.50 8.39 -2.89 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 18 17 1 17  
MONTH TO DATE 299 270 29 290  
SINCE MAR 1 1268 971 297 1175  
SINCE JAN 1 1938 1377 561 1651    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NW (300)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 4.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 54  
AVERAGE 73  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 94 1989  
MINIMUM TEMPERATURE (F) 76 69 1951  
1955  
2001  
 
SUNRISE AND SUNSET  
MAY 18 2023...........SUNRISE 639 AM EDT SUNSET 803 PM EDT  
MAY 19 2023...........SUNRISE 639 AM EDT SUNSET 803 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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