709  
CDCA42 TJSJ 252141  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
525 PM AST SAT SEP 25 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR SEPTEMBER 25 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 90 3:10 PM 96 1987 89 1 89  
MINIMUM 79 5:34 AM 70 1960 77 2 78  
AVERAGE 85 83 2 84  
 
PRECIPITATION (IN)  
TODAY 0.00 3.94 1934 0.18 -0.18 0.61  
MONTH TO DATE 4.39 5.52 -1.13 3.85  
SINCE SEP 1 4.39 5.52 -1.13 3.85  
SINCE JAN 1 36.32 41.46 -5.14 49.88  
 
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 20 18 2 19  
MONTH TO DATE 505 450 55 487  
SINCE SEP 1 505 450 55 487  
SINCE JAN 1 4454 4261 193 4691    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.6  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 58  
AVERAGE 72  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1987  
MINIMUM TEMPERATURE (F) 77 71 1997  
 
SUNRISE AND SUNSET  
SEPTEMBER 25 2021.....SUNRISE 6:13 AM AST SUNSET 6:17 PM AST  
SEPTEMBER 26 2021.....SUNRISE 6:14 AM AST SUNSET 6:16 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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