581  
CDCA42 TJSJ 150431  
CLISJU  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1230 AM AST SUN AUG 15 2021  
   
...............................
 
 
   
..THE SAN JUAN AREA/PR CLIMATE SUMMARY FOR AUGUST 14 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 91 2:20 PM 94 1995 89 2 90  
MINIMUM 80 6:48 AM 71 1960 78 2 79  
AVERAGE 86 84 2 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 1.91 1996 0.20 -0.12 0.43  
MONTH TO DATE 1.62 2.64 -1.02 1.20  
SINCE JUN 1 17.42 13.32 4.10 15.52  
SINCE JAN 1 30.88 32.29 -1.41 43.74  
 
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 20  
MONTH TO DATE 262 252 10 281  
SINCE JUN 1 1360 1358 2 1482  
SINCE JAN 1 3609 3491 118 3872    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 11.3  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 21  
AVERAGE 56  
   
......................................................
 
 
THE SAN JUAN AREA/PR CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 94 1991  
MINIMUM TEMPERATURE (F) 78 72 1952  
 
SUNRISE AND SUNSET  
AUGUST 15 2021........SUNRISE 6:06 AM AST SUNSET 6:51 PM AST  
AUGUST 16 2021........SUNRISE 6:06 AM AST SUNSET 6:50 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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