356  
CDCA42 TJSJ 300857  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
457 AM AST WED JUL 30 2025  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 29 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 3:01 PM 93 2013 89 1 91  
MINIMUM 80 6:42 AM 70 1919 78 2 79  
AVERAGE 85 83 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 2.92 1931 0.19 -0.17 0.22  
MONTH TO DATE 5.37 5.63 -0.26 4.35  
SINCE JUN 1 9.38 10.29 -0.91 7.76  
SINCE JAN 1 33.78 29.26 4.52 40.64  
 
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 20  
MONTH TO DATE 547 522 25 606  
SINCE JUN 1 1074 1065 9 1245  
SINCE JAN 1 3398 3198 200 3757    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 68  
AVERAGE 78  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1990  
MINIMUM TEMPERATURE (F) 78 71 1919  
 
SUNRISE AND SUNSET  
JULY 30 2025..........SUNRISE 6:01 AM AST SUNSET 6:59 PM AST  
JULY 31 2025..........SUNRISE 6:02 AM AST SUNSET 6:59 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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