476  
CDCA42 TJSJ 170433  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1230 AM AST TUE AUG 17 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 16 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 89 1:27 PM 97 1995 90 -1 90  
MINIMUM 80 5:32 AM 72 1988 80 0 80  
AVERAGE 85 85 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 1978 0.15 -0.15 0.00  
MONTH TO DATE 0.22 2.09 -1.87 0.48  
SINCE JUN 1 7.18 7.35 -0.17 6.74  
SINCE JAN 1 15.01 19.01 -4.00 15.21  
 
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 20 20 0 20  
MONTH TO DATE 320 320 0 328  
SINCE JUN 1 1514 1497 17 1571  
SINCE JAN 1 3941 3760 181 3931    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED MM HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 13.2  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
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 95 1995  
MINIMUM TEMPERATURE (F) 80 74 2015  
 
SUNRISE AND SUNSET  
AUGUST 17 2021........SUNRISE 6:02 AM AST SUNSET 6:45 PM AST  
AUGUST 18 2021........SUNRISE 6:03 AM AST SUNSET 6:44 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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