498  
CDCA42 TJSJ 040931  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
531 AM AST SAT JAN 04 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR JANUARY 3 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 85 1:38 PM 88 2018 83 2 85  
MINIMUM 73 7:33 AM 64 1919 72 1 74  
AVERAGE 79 78 1 80  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 4.52 1934 0.14 M0.13 T  
MONTH TO DATE 0.06 0.43 M0.37 0.13  
SINCE DEC 1 4.91 5.28 M0.37 7.84  
SINCE JAN 1 0.06 0.43 M0.37 0.13  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 14 13 1 15  
MONTH TO DATE 41 39 2 44  
SINCE DEC 1 552 465 87 508  
SINCE JAN 1 41 39 2 44    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (50)  
AVERAGE WIND SPEED 6.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84  
LOWEST 55  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 88 2018  
MINIMUM TEMPERATURE (F) 72 63 1965  
 
SUNRISE AND SUNSET  
JANUARY 4 2025.......SUNRISE 6:57 AM AST SUNSET 6:01 PM AST  
JANUARY 5 2025.......SUNRISE 6:57 AM AST SUNSET 6:02 PM AST  
 
M INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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