388  
CDCA42 TJSJ 080849  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
450 AM AST MON SEP 08 2025  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 7 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 91 1:30 PM 94 1993 89 2 88  
MINIMUM 81 4:28 AM 70 1979 80 1 79  
AVERAGE 86 84 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.33 2006 0.19 -0.17 0.24  
MONTH TO DATE 0.44 1.35 -0.91 2.01  
SINCE SEP 1 0.44 1.35 -0.91 2.01  
SINCE JAN 1 22.09 22.64 -0.55 13.15  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 20 1 19  
MONTH TO DATE 62 140 -78 142  
SINCE SEP 1 62 140 -78 142  
SINCE JAN 1 4312 4191 121 2940    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 62  
AVERAGE 74  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1993  
MINIMUM TEMPERATURE (F) 80 68 1979  
 
SUNRISE AND SUNSET  
SEPTEMBER 8 2025.....SUNRISE 6:07 AM AST SUNSET 6:28 PM AST  
SEPTEMBER 9 2025.....SUNRISE 6:07 AM AST SUNSET 6:27 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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