947  
CDCA42 TJSJ 100852  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
452 AM AST THU JUL 10 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JULY 9 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 1:55 PM 93 1995 89 1 91  
MINIMUM 77 5:25 AM 70 1928 78 -1 81  
AVERAGE 84 83 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.15 1.95 2018 0.19 -0.04 0.02  
MONTH TO DATE 1.50 1.57 -0.07 0.70  
SINCE JUN 1 5.51 6.23 -0.72 4.11  
SINCE JAN 1 29.91 25.20 4.71 36.99  
 
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 21  
MONTH TO DATE 167 162 5 193  
SINCE JUN 1 694 705 -11 832  
SINCE JAN 1 3018 2838 180 3344    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
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 95 1981  
MINIMUM TEMPERATURE (F) 78 70 1905  
 
SUNRISE AND SUNSET  
JULY 10 2025..........SUNRISE 5:54 AM AST SUNSET 7:04 PM AST  
JULY 11 2025..........SUNRISE 5:55 AM AST SUNSET 7:04 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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