328  
CDCA42 TJSJ 200444  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1244 AM AST SUN AUG 20 2023  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 19 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1898 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 MM 93 1991 89 1 88  
2020  
MINIMUM 81 MM 73 1956 78 3 77  
AVERAGE 86 84 2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.09 1.35 1926 0.21 -0.12 0.01  
MONTH TO DATE 3.71 3.66 0.05 2.54  
SINCE JUN 1 10.02 14.34 -4.32 12.31  
SINCE JAN 1 30.02 33.31 -3.29 34.20  
 
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 18  
MONTH TO DATE 389 342 47 373  
SINCE JUN 1 1629 1448 181 1483  
SINCE JAN 1 3841 3581 260 3580    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 70  
AVERAGE 80  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1980  
MINIMUM TEMPERATURE (F) 78 69 1904  
 
SUNRISE AND SUNSET  
AUGUST 20 2023........SUNRISE 6:07 AM AST SUNSET 6:48 PM AST  
AUGUST 21 2023........SUNRISE 6:07 AM AST SUNSET 6:47 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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