234  
CDUS42 KKEY 130528  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
128 AM EDT WED MAY 13 2026  
   
...............................  
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 12 2026  
 
CLIMATE NORMAL PERIOD 1991 TO 2020  
CLIMATE RECORD PERIOD 1950 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 86 201 PM 95 2019 87 -1 85  
MINIMUM 79 1251 AM 66 1960 75 4 74  
AVERAGE 83 81 2 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.45 2025 0.11 -0.11 1.45  
MONTH TO DATE 2.86 1.10 1.76 1.47  
SINCE MAR 1 7.95 4.54 3.41 2.08  
SINCE JAN 1 8.82 7.88 0.94 4.58  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 5 -5 0  
SINCE JUL 1 112 71 41 31  
 
COOLING  
YESTERDAY 18 16 2 15  
MONTH TO DATE 197 188 9 199  
SINCE MAR 1 934 889 45 899  
SINCE JAN 1 1236 1295 -59 1321    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 10 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 16 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 4.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 70  
AVERAGE 78  
   
......................................................  
 
THE MARATHON CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 2019  
MINIMUM TEMPERATURE (F) 76 67 1954  
 
SUNRISE AND SUNSET  
MAY 13 2026...........SUNRISE 641 AM EDT SUNSET 800 PM EDT  
MAY 14 2026...........SUNRISE 641 AM EDT SUNSET 801 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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