450  
CDCA42 TJSJ 170853  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
453 AM AST THU JUL 17 2025  
   
...............................  
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 16 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 93 2:52 PM 96 1995 90 3 89  
MINIMUM 80 6:31 AM 73 1985 79 1 79  
AVERAGE 87 84 3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 0.72 2003 0.09 -0.03 0.04  
MONTH TO DATE 0.74 1.36 -0.62 1.89  
SINCE JUN 1 1.58 3.71 -2.13 1.89  
SINCE JAN 1 17.68 15.37 2.31 1.89  
 
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 22 20 2 19  
MONTH TO DATE 316 320 -4 318  
SINCE JUN 1 927 893 34 653  
SINCE JAN 1 3319 3156 163 1898    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 60  
AVERAGE 75  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 1995  
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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