972  
CDCA42 TJSJ 010949  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
500 AM AST SUN JUN 01 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR MAY 31 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 93 2:32 PM 94 2024 88 5 94  
MINIMUM 79 3:02 AM 69 1959 77 2 81  
AVERAGE 86 82 4 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.06 1.97 1970 0.18 -0.12 0.00  
MONTH TO DATE 6.94 5.54 1.40 11.51  
SINCE MAR 1 17.61 12.32 5.29 23.54  
SINCE JAN 1 24.40 18.97 5.43 32.88  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 18 3 23  
MONTH TO DATE 507 513 -6 613  
SINCE MAR 1 1440 1386 54 1619  
SINCE JAN 1 2324 2133 191 2512    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 54  
AVERAGE 72  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1993  
MINIMUM TEMPERATURE (F) 77 69 1957  
 
SUNRISE AND SUNSET  
JUNE 1 2025..........SUNRISE 5:47 AM AST SUNSET 6:57 PM AST  
JUNE 2 2025..........SUNRISE 5:47 AM AST SUNSET 6:57 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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