640  
CDCA42 TJSJ 010900  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
500 AM AST THU MAY 01 2025  
   
...............................  
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 30 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 84 12:35 PM 94 2015 87 -3 85  
MINIMUM 74 6:35 AM 68 1929 75 -1 76  
AVERAGE 79 81 -2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 2.95 1986 0.19 -0.16 0.15  
MONTH TO DATE 6.64 4.60 2.04 9.14  
SINCE MAR 1 10.67 6.78 3.89 12.03  
SINCE JAN 1 17.46 13.43 4.03 21.37  
 
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 14 16 -2 16  
MONTH TO DATE 443 453 -10 505  
SINCE MAR 1 933 873 60 1006  
SINCE JAN 1 1817 1620 197 1899    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 2.8  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 77  
AVERAGE 87  
   
......................................................  
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 94 1995  
MINIMUM TEMPERATURE (F) 75 68 1951  
 
SUNRISE AND SUNSET  
MAY 1 2025...........SUNRISE 5:57 AM AST SUNSET 6:46 PM AST  
MAY 2 2025...........SUNRISE 5:56 AM AST SUNSET 6:46 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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