197  
CDCA42 TJSJ 300433  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1233 AM AST MON AUG 30 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 29 2021
 
 
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)  
YESTERDAY  
MAXIMUM 90 1:15 PM 94 2016 89 1 89  
MINIMUM 81 6:27 AM 69 1916 78 3 81  
AVERAGE 86 84 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.88 2009 0.23 -0.23 0.00  
MONTH TO DATE 2.67 5.83 -3.16 3.20  
SINCE JUN 1 18.47 16.51 1.96 17.52  
SINCE JAN 1 31.93 35.48 -3.55 45.74  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 21 18 3 20  
MONTH TO DATE 563 522 41 573  
SINCE JUN 1 1661 1628 33 1774  
SINCE JAN 1 3910 3761 149 4164    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 8.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 61  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 2008  
MINIMUM TEMPERATURE (F) 78 70 1954  
 
SUNRISE AND SUNSET  
AUGUST 30 2021........SUNRISE 6:09 AM AST SUNSET 6:40 PM AST  
AUGUST 31 2021........SUNRISE 6:09 AM AST SUNSET 6:39 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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