899  
CDCA42 TJSJ 140851  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
451 AM AST SUN SEP 14 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 13 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 3:05 PM 95 1993 89 4 90  
MINIMUM 82 4:09 AM 72 1981 80 2 77  
AVERAGE 88 84 4 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.01 1985 0.20 -0.20 0.46  
MONTH TO DATE 0.48 2.51 -2.03 5.44  
SINCE SEP 1 0.48 2.51 -2.03 5.44  
SINCE JAN 1 22.13 23.80 -1.67 16.58  
 
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 23 19 4 19  
MONTH TO DATE 172 258 -86 252  
SINCE SEP 1 172 258 -86 252  
SINCE JAN 1 4422 4309 113 3050    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 80  
LOWEST 60  
AVERAGE 70  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 1994  
MINIMUM TEMPERATURE (F) 80 71 1960  
 
SUNRISE AND SUNSET  
SEPTEMBER 14 2025.....SUNRISE 6:08 AM AST SUNSET 6:23 PM AST  
SEPTEMBER 15 2025.....SUNRISE 6:08 AM AST SUNSET 6:22 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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