674  
CDCA42 TJSJ 171947  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
347 PM AST THU JUL 17 2025  
   
...............................  
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 17 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 1:42 PM 96 1995 90 -1 89  
MINIMUM 80 10:24 AM 74 1989 79 1 80  
AVERAGE 85 84 1 85  
 
PRECIPITATION (IN)  
TODAY 0.20 0.32 2005 0.10 0.10 0.03  
MONTH TO DATE 0.94 1.46 -0.52 1.92  
SINCE JUN 1 1.78 3.81 -2.03 1.92  
SINCE JAN 1 17.88 15.47 2.41 1.92  
 
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 20  
MONTH TO DATE 336 340 -4 338  
SINCE JUN 1 947 913 34 673  
SINCE JAN 1 3339 3176 163 1918    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 10.9  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 65  
AVERAGE 80  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 95 1993  
MINIMUM TEMPERATURE (F) 79 74 1989  
 
SUNRISE AND SUNSET  
JULY 17 2025..........SUNRISE 5:53 AM AST SUNSET 6:59 PM AST  
JULY 18 2025..........SUNRISE 5:53 AM AST SUNSET 6:59 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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