079  
CDCA42 TJSJ 290921  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
521 AM AST FRI AUG 29 2025  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 28 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 90 2:55 PM 95 2023 89 1 90  
MINIMUM 79 6:33 AM 71 1959 78 1 81  
AVERAGE 85 84 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.20 2.38 1986 0.23 -0.03 0.08  
MONTH TO DATE 6.77 5.60 1.17 7.72  
SINCE JUN 1 16.35 16.28 0.07 15.89  
SINCE JAN 1 40.75 35.25 5.50 48.77  
 
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 20 18 2 21  
MONTH TO DATE 548 504 44 592  
SINCE JUN 1 1661 1610 51 1878  
SINCE JAN 1 3985 3743 242 4390    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 59  
AVERAGE 72  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 2016  
MINIMUM TEMPERATURE (F) 78 69 1916  
 
SUNRISE AND SUNSET  
AUGUST 29 2025........SUNRISE 6:09 AM AST SUNSET 6:40 PM AST  
AUGUST 30 2025........SUNRISE 6:09 AM AST SUNSET 6:40 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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