432  
CDCA42 TJSJ 180924  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
524 AM AST SAT OCT 18 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR OCTOBER 17 2025
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 94 12:25 PM 95 1980 89 5 91  
MINIMUM 79 6:39 AM 69 1908 77 2 80  
AVERAGE 87 83 4 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.53 1958 0.16 -0.14 0.01  
MONTH TO DATE 2.30 2.59 -0.29 1.60  
SINCE SEP 1 8.90 9.09 -0.19 4.91  
SINCE JAN 1 52.52 45.03 7.49 55.12  
 
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 22 18 4 21  
MONTH TO DATE 329 306 23 365  
SINCE SEP 1 905 856 49 1004  
SINCE JAN 1 4950 4667 283 5455    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 51  
AVERAGE 63  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1979  
MINIMUM TEMPERATURE (F) 77 70 1957  
 
SUNRISE AND SUNSET  
OCTOBER 18 2025.......SUNRISE 6:19 AM AST SUNSET 5:59 PM AST  
OCTOBER 19 2025.......SUNRISE 6:19 AM AST SUNSET 5:59 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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