793  
CDCA42 TJSJ 301932  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
332 PM AST TUE SEP 30 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 30 2025...  
VALID TODAY AS OF 0300 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM MM MM 95 1994 89 MM 89  
MINIMUM MM MM 70 1991 79 MM 80  
AVERAGE MM 84 MM 85  
 
PRECIPITATION (IN)  
TODAY MM 3.90 2017 0.21 MM 0.08  
MONTH TO DATE 5.42 5.89 -0.47 6.34  
SINCE SEP 1 5.42 5.89 -0.47 6.34  
SINCE JAN 1 27.07 27.18 -0.11 17.48  
 
DEGREE DAYS  
HEATING  
TODAY MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY MM 19 MM 20  
MONTH TO DATE 478 580 -102 595  
SINCE SEP 1 478 580 -102 595  
SINCE JAN 1 4728 4631 97 3393    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1994  
MINIMUM TEMPERATURE (F) 79 70 1991  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2025.....SUNRISE 6:10 AM AST SUNSET 6:09 PM AST  
OCTOBER 1 2025.......SUNRISE 6:10 AM AST SUNSET 6:08 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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