577  
CDCA42 TJSJ 150431  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1230 AM AST SUN AUG 15 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 14 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 90 12:00 PM 96 1995 90 0 92  
MINIMUM 83 6:34 AM 73 1990 80 3 83  
AVERAGE 87 85 2 88  
 
PRECIPITATION (IN)  
YESTERDAY T 1.82 1990 0.14 -0.14 T  
MONTH TO DATE 0.22 1.80 -1.58 0.39  
SINCE JUN 1 7.18 7.06 0.12 6.65  
SINCE JAN 1 15.01 18.72 -3.71 15.12  
 
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 22 20 2 23  
MONTH TO DATE 286 280 6 288  
SINCE JUN 1 1480 1457 23 1531  
SINCE JAN 1 3907 3720 187 3891    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 13.6  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1995  
MINIMUM TEMPERATURE (F) 80 72 1989  
 
SUNRISE AND SUNSET  
AUGUST 15 2021........SUNRISE 6:02 AM AST SUNSET 6:46 PM AST  
AUGUST 16 2021........SUNRISE 6:02 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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