254  
CDUS42 KKEY 212022  
CLIMTH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE KEY WEST FL  
422 PM EDT SUN MAY 21 2023  
   
...............................
 
 
   
..THE MARATHON CLIMATE SUMMARY FOR MAY 21 2023
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92R 217 PM 92 2008 88 4 90  
2019  
MINIMUM 78 519 AM 69 1954 76 2 80  
1994  
AVERAGE 85 82 3 85  
 
PRECIPITATION (IN)  
TODAY MM 2.47 2018 0.12 MM 0.00  
MONTH TO DATE 0.26 2.07 -1.81 2.02  
SINCE MAR 1 4.19 5.51 -1.32 3.98  
SINCE JAN 1 5.67 8.85 -3.18 6.21  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 20 17 3 20  
MONTH TO DATE 377 338 39 361  
SINCE MAR 1 1346 1039 307 1246  
SINCE JAN 1 2016 1445 571 1722    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION NE (40)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 63  
AVERAGE 71  
   
......................................................
 
 
THE MARATHON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 88 93 2008  
MINIMUM TEMPERATURE (F) 76 69 1951  
 
SUNRISE AND SUNSET  
MAY 21 2023...........SUNRISE 638 AM EDT SUNSET 804 PM EDT  
MAY 22 2023...........SUNRISE 638 AM EDT SUNSET 805 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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