760  
CDCA42 TJSJ 200905  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
505 AM AST SUN JUL 20 2025  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 19 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 88 4:21 PM 96 1993 90 -2 88  
MINIMUM 78 6:01 AM 73 1990 79 -1 78  
AVERAGE 83 84 -1 83  
 
PRECIPITATION (IN)  
YESTERDAY T 1.88 1960 0.10 -0.10 0.30  
MONTH TO DATE 1.04 1.65 -0.61 2.35  
SINCE JUN 1 1.88 4.00 -2.12 2.35  
SINCE JAN 1 17.98 15.66 2.32 2.35  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 20 -2 18  
MONTH TO DATE 376 380 -4 377  
SINCE JUN 1 987 953 34 712  
SINCE JAN 1 3379 3216 163 1957    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 65  
AVERAGE 77  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 1993  
MINIMUM TEMPERATURE (F) 79 72 1999  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:54 AM AST SUNSET 6:58 PM AST  
JULY 21 2025..........SUNRISE 5:54 AM AST SUNSET 6:58 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