153  
CDCA42 TJSJ 182118  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
518 PM AST FRI APR 18 2025  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR APRIL 18 2025
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 84 3:29 PM 93 2021 86 -2 85  
MINIMUM 75 9:28 AM 68 1962 74 1 77  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
TODAY T 3.81 2005 0.16 -0.16 T  
MONTH TO DATE 3.50 2.45 1.05 4.63  
SINCE MAR 1 7.53 4.63 2.90 7.52  
SINCE JAN 1 14.32 11.28 3.04 16.86  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 15 15 0 16  
MONTH TO DATE 273 266 7 306  
SINCE MAR 1 763 686 77 807  
SINCE JAN 1 1647 1433 214 1700    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION N (20)  
AVERAGE WIND SPEED 6.0  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 91  
LOWEST 70  
AVERAGE 81  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 92 2007  
MINIMUM TEMPERATURE (F) 74 66 1961  
 
SUNRISE AND SUNSET  
APRIL 18 2025.........SUNRISE 6:05 AM AST SUNSET 6:42 PM AST  
APRIL 19 2025.........SUNRISE 6:04 AM AST SUNSET 6:42 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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