464  
CDCA42 TJSJ 280438  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1238 AM AST SAT AUG 28 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 27 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 92 2:01 PM 93 1982 89 3 87  
MINIMUM 79 6:27 AM 72 1958 78 1 80  
AVERAGE 86 84 2 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.30 1970 0.22 -0.22 0.07  
MONTH TO DATE 2.67 5.37 -2.70 3.20  
SINCE JUN 1 18.47 16.05 2.42 17.52  
SINCE JAN 1 31.93 35.02 -3.09 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 19  
MONTH TO DATE 522 486 36 533  
SINCE JUN 1 1620 1592 28 1734  
SINCE JAN 1 3869 3725 144 4124    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 57  
AVERAGE 70  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 1991  
MINIMUM TEMPERATURE (F) 78 71 1959  
 
SUNRISE AND SUNSET  
AUGUST 28 2021........SUNRISE 6:09 AM AST SUNSET 6:41 PM AST  
AUGUST 29 2021........SUNRISE 6:09 AM AST SUNSET 6:40 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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