161  
CDCA42 TJSJ 090436  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1236 AM AST MON AUG 09 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 8 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 87 4:59 PM 94 1995 89 -2 90  
MINIMUM 79 9:56 PM 72 1913 78 1 82  
AVERAGE 83 83 0 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.18 5.53 1899 0.19 -0.01 0.01  
MONTH TO DATE 0.84 1.41 -0.57 0.08  
SINCE JUN 1 16.64 12.09 4.55 14.40  
SINCE JAN 1 30.10 31.06 -0.96 42.62  
 
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 18 18 0 21  
MONTH TO DATE 147 144 3 164  
SINCE JUN 1 1245 1250 -5 1365  
SINCE JAN 1 3494 3383 111 3755    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 63  
AVERAGE 79  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1983  
MINIMUM TEMPERATURE (F) 78 70 1900  
 
SUNRISE AND SUNSET  
AUGUST 9 2021........SUNRISE 6:04 AM AST SUNSET 6:54 PM AST  
AUGUST 10 2021........SUNRISE 6:05 AM AST SUNSET 6:54 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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