716  
CDCA42 TJSJ 230907  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
507 AM AST TUE SEP 23 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 22 2025...  
 
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)  
YESTERDAY  
MAXIMUM 90 3:24 PM 95 1994 89 1 89  
MINIMUM 82 11:18 PM 74 2008 79 3 80  
AVERAGE 86 84 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.24 0.86 1964 0.19 0.05 0.00  
MONTH TO DATE 4.42 4.23 0.19 5.67  
SINCE SEP 1 4.42 4.23 0.19 5.67  
SINCE JAN 1 26.07 25.52 0.55 16.81  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 21 19 2 20  
MONTH TO DATE 355 429 -74 432  
SINCE SEP 1 355 429 -74 432  
SINCE JAN 1 4605 4480 125 3230    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.3  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 1993  
MINIMUM TEMPERATURE (F) 79 72 1954  
 
SUNRISE AND SUNSET  
SEPTEMBER 23 2025.....SUNRISE 6:09 AM AST SUNSET 6:15 PM AST  
SEPTEMBER 24 2025.....SUNRISE 6:09 AM AST SUNSET 6:14 PM AST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab PR Page
Main Text Page