343  
CDCA42 TJSJ 300900  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
500 AM AST THU JUL 30 2026  
   
...............................  
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 29 2026  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 1:02 PM 97 1979 90 3 90  
MINIMUM 79 9:01 PM 73 2001 79 0 82  
AVERAGE 86 84 2 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.64 2001 0.11 -0.11 0.00  
MONTH TO DATE 0.75 2.70 -1.95 1.15  
SINCE JUN 1 0.79 5.05 -4.26 1.99  
SINCE JAN 1 10.02 16.71 -6.69 18.09  
 
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 21 20 1 21  
MONTH TO DATE 626 580 46 592  
SINCE JUN 1 1250 1153 97 1203  
SINCE JAN 1 3686 3416 270 3595    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 33 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 14.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 75  
LOWEST 19  
AVERAGE 47  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1993  
MINIMUM TEMPERATURE (F) 79 70 1972  
 
SUNRISE AND SUNSET  
JULY 30 2026..........SUNRISE 5:57 AM AST SUNSET 6:55 PM AST  
JULY 31 2026..........SUNRISE 5:58 AM AST SUNSET 6:55 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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