755  
CDCA42 TJSJ 010429  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1229 AM AST WED SEP 01 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 31 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 89 2:28 PM 94 1995 89 0 89  
MINIMUM 79 6:39 AM 71 1902 78 1 79  
AVERAGE 84 84 0 84  
 
PRECIPITATION (IN)  
YESTERDAY T 2.63 1979 0.23 -0.23 0.27  
MONTH TO DATE 2.67 6.29 -3.62 3.49  
SINCE JUN 1 18.47 16.97 1.50 17.81  
SINCE JAN 1 31.93 35.94 -4.01 46.03  
 
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 19 18 1 19  
MONTH TO DATE 602 572 30 613  
SINCE JUN 1 1700 1678 22 1814  
SINCE JAN 1 3949 3811 138 4204    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION N (10)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 59  
AVERAGE 71  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 97 1981  
MINIMUM TEMPERATURE (F) 78 70 1942  
 
SUNRISE AND SUNSET  
SEPTEMBER 1 2021.....SUNRISE 6:09 AM AST SUNSET 6:38 PM AST  
SEPTEMBER 2 2021.....SUNRISE 6:10 AM AST SUNSET 6:37 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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