011  
CDCA42 TJSJ 211955  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
355 PM AST SUN SEP 21 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 21 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 90 1:50 PM 95 1993 89 1 88  
MINIMUM 82 6:14 AM 70 1972 79 3 79  
AVERAGE 86 84 2 84  
 
PRECIPITATION (IN)  
TODAY 0.00 4.31 1998 0.20 -0.20 0.00  
MONTH TO DATE 4.18 4.04 0.14 5.67  
SINCE SEP 1 4.18 4.04 0.14 5.67  
SINCE JAN 1 25.83 25.33 0.50 16.81  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 21 19 2 19  
MONTH TO DATE 334 410 -76 412  
SINCE SEP 1 334 410 -76 412  
SINCE JAN 1 4584 4461 123 3210    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 70  
AVERAGE 79  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1994  
MINIMUM TEMPERATURE (F) 79 74 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2025.....SUNRISE 6:09 AM AST SUNSET 6:17 PM AST  
SEPTEMBER 22 2025.....SUNRISE 6:09 AM AST SUNSET 6:16 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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