202  
CDCA42 TJSJ 010940  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
540 AM AST MON SEP 01 2025  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 31 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 99R MM 97 1995 90 9 91  
MINIMUM 99 MM 74 1995 80 19 78  
AVERAGE 99 85 14 85  
 
PRECIPITATION (IN)  
YESTERDAY MM 1.55 1979 0.16 MM 0.26  
MONTH TO DATE 3.51 4.37 -0.86 7.96  
SINCE JUN 1 5.55 9.63 -4.08 11.14  
SINCE JAN 1 21.65 21.29 0.36 11.14  
 
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 34 20 14 20  
MONTH TO DATE 648 611 37 604  
SINCE JUN 1 1892 1788 104 1553  
SINCE JAN 1 4284 4051 233 2798    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED MM HIGHEST WIND DIRECTION MM  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED MM  
 
SKY COVER  
AVERAGE SKY COVER MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 99  
LOWEST 99  
AVERAGE 99  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 98 1993  
MINIMUM TEMPERATURE (F) 80 74 1986  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2025.....SUNRISE 6:05 AM AST SUNSET 6:34 PM AST  
SEPTEMBER 2 2025.....SUNRISE 6:06 AM AST SUNSET 6:33 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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