535  
CDUS42 KKEY 120528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT FRI MAY 12 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 11 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 1234 PM 92 2008 87 4 84  
2019  
MINIMUM 77 429 AM 64 1960 75 2 71  
AVERAGE 84 81 3 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.91 1985 0.11 -0.11 T  
MONTH TO DATE T 0.99 -0.99 0.44  
SINCE MAR 1 3.93 4.43 -0.50 2.40  
SINCE JAN 1 5.41 7.77 -2.36 4.63  
 
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 13  
MONTH TO DATE 183 172 11 194  
SINCE MAR 1 1152 873 279 1079  
SINCE JAN 1 1822 1279 543 1555    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 9.2  
 
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 79  
LOWEST 54  
AVERAGE 67  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 2019  
MINIMUM TEMPERATURE (F) 75 66 1960  
 
SUNRISE AND SUNSET  
MAY 12 2023...........SUNRISE 642 AM EDT SUNSET 800 PM EDT  
MAY 13 2023...........SUNRISE 642 AM EDT SUNSET 800 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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