641  
CDCA42 TJSJ 090905  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
505 AM AST THU OCT 09 2025  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR OCTOBER 8 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 90 12:15 PM 96 1987 89 1 89  
MINIMUM MM MM 70 2002 79 MM 81  
AVERAGE MM 84 MM 85  
 
PRECIPITATION (IN)  
YESTERDAY MM 5.40 1977 0.17 MM T  
MONTH TO DATE T 1.36 -1.36 1.56  
SINCE SEP 1 5.42 7.25 -1.83 7.90  
SINCE JAN 1 27.07 28.54 -1.47 19.04  
 
DEGREE DAYS  
HEATING  
YESTERDAY MM 0 MM 0  
MONTH TO DATE MM 0 MM 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY MM 19 MM 20  
MONTH TO DATE MM 152 MM 153  
SINCE SEP 1 454 732 -278 748  
SINCE JAN 1 4704 4783 -79 3546    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 77  
LOWEST 59  
AVERAGE 68  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1994  
MINIMUM TEMPERATURE (F) 79 72 1982  
 
SUNRISE AND SUNSET  
OCTOBER 9 2025.......SUNRISE 6:12 AM AST SUNSET 6:02 PM AST  
OCTOBER 10 2025.......SUNRISE 6:12 AM AST SUNSET 6:01 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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