962  
CDCA42 TJSJ 302135  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
535 PM AST THU SEP 30 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 30 2021
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 3:33 PM 94 2014 89 0 91  
MINIMUM 79 6:48 AM 71 1938 77 2 80  
AVERAGE 84 83 1 86  
 
PRECIPITATION (IN)  
TODAY 0.00 2.30 1899 0.19 -0.19 0.01  
MONTH TO DATE 4.41 6.50 -2.09 5.03  
SINCE SEP 1 4.41 6.50 -2.09 5.03  
SINCE JAN 1 36.34 42.44 -6.10 51.06  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 19 18 1 21  
MONTH TO DATE 604 550 54 583  
SINCE SEP 1 604 550 54 583  
SINCE JAN 1 4553 4361 192 4787    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (20)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 61  
AVERAGE 73  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1982  
MINIMUM TEMPERATURE (F) 77 68 1899  
 
SUNRISE AND SUNSET  
SEPTEMBER 30 2021.....SUNRISE 6:14 AM AST SUNSET 6:13 PM AST  
OCTOBER 1 2021.......SUNRISE 6:15 AM AST SUNSET 6:12 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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