356  
CDCA42 TJSJ 190855  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
455 AM AST SAT JUL 19 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 18 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 2:01 PM 91 2005 89 1 91  
2024  
MINIMUM 78 11:28 PM 70 1960 78 0 82  
AVERAGE 84 83 1 87  
 
PRECIPITATION (IN)  
YESTERDAY 0.04 9.23 2013 0.21 -0.17 0.07  
MONTH TO DATE 2.47 3.34 -0.87 2.52  
SINCE JUN 1 6.48 8.00 -1.52 5.93  
SINCE JAN 1 30.88 26.97 3.91 38.81  
 
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 19 18 1 22  
MONTH TO DATE 339 324 15 380  
SINCE JUN 1 866 867 -1 1019  
SINCE JAN 1 3190 3000 190 3531    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 63  
AVERAGE 76  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2006  
MINIMUM TEMPERATURE (F) 78 70 1960  
 
SUNRISE AND SUNSET  
JULY 19 2025..........SUNRISE 5:58 AM AST SUNSET 7:03 PM AST  
JULY 20 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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