253  
CDCA42 TJSJ 311930  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
330 PM AST THU JUL 31 2025  
   
...............................
 
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 31 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 89 1:33 PM 97 1993 90 -1 87  
MINIMUM 80 5:32 AM 72 1955 79 1 78  
AVERAGE 85 85 0 83  
 
PRECIPITATION (IN)  
TODAY 0.05 4.88 2019 0.11 -0.06 0.14  
MONTH TO DATE 1.20 2.91 -1.71 3.18  
SINCE JUN 1 2.04 5.26 -3.22 3.18  
SINCE JAN 1 18.14 16.92 1.22 3.18  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 20 20 0 18  
MONTH TO DATE 633 604 29 614  
SINCE JUN 1 1244 1177 67 949  
SINCE JAN 1 3636 3440 196 2194    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 63  
AVERAGE 73  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1994  
MINIMUM TEMPERATURE (F) 79 73 1992  
 
SUNRISE AND SUNSET  
JULY 31 2025..........SUNRISE 5:58 AM AST SUNSET 6:55 PM AST  
AUGUST 1 2025........SUNRISE 5:58 AM AST SUNSET 6:54 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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