756  
CDCA42 TJSJ 200905  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
505 AM AST SUN JUL 20 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 19 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 12:12 PM 93 2006 89 1 86  
MINIMUM 76 3:14 PM 70 1960 78 -2 79  
AVERAGE 83 83 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 1.04 1.64 1975 0.22 0.82 0.31  
MONTH TO DATE 3.51 3.56 -0.05 2.83  
SINCE JUN 1 7.52 8.22 -0.70 6.24  
SINCE JAN 1 31.92 27.19 4.73 39.12  
 
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 18 18 0 18  
MONTH TO DATE 357 342 15 398  
SINCE JUN 1 884 885 -1 1037  
SINCE JAN 1 3208 3018 190 3549    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 8.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 61  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 92 1995  
2024  
MINIMUM TEMPERATURE (F) 78 71 1939  
 
SUNRISE AND SUNSET  
JULY 20 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST  
JULY 21 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 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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