046  
CDCA42 TJSJ 212136  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
536 PM AST SAT AUG 21 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 21 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 89 3:29 PM 97 1980 89 0 90  
MINIMUM 81 6:48 AM 72 1956 78 3 80  
AVERAGE 85 84 1 85  
 
PRECIPITATION (IN)  
TODAY T 2.72 1983 0.20 -0.20 0.43  
MONTH TO DATE 2.37 4.06 -1.69 1.77  
SINCE JUN 1 18.17 14.74 3.43 16.09  
SINCE JAN 1 31.63 33.71 -2.08 44.31  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 20 18 2 20  
MONTH TO DATE 398 378 20 426  
SINCE JUN 1 1496 1484 12 1627  
SINCE JAN 1 3745 3617 128 4017    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 68  
AVERAGE 75  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 93 2007  
MINIMUM TEMPERATURE (F) 78 70 1916  
 
SUNRISE AND SUNSET  
AUGUST 21 2021........SUNRISE 6:07 AM AST SUNSET 6:47 PM AST  
AUGUST 22 2021........SUNRISE 6:08 AM AST SUNSET 6:46 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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