138  
CDCA42 TJSJ 180415  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1215 AM AST WED AUG 18 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 17 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 2:00 PM 95 1995 90 0 93  
MINIMUM 82 7:00 AM 74 2015 80 2 83  
AVERAGE 86 85 1 88  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.72 1959 0.14 -0.14 0.01  
MONTH TO DATE 0.22 2.23 -2.01 0.49  
SINCE JUN 1 7.18 7.49 -0.31 6.75  
SINCE JAN 1 15.01 19.15 -4.14 15.22  
 
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 20 1 23  
MONTH TO DATE 341 340 1 351  
SINCE JUN 1 1535 1517 18 1594  
SINCE JAN 1 3962 3780 182 3954    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 12.0  
 
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 1994  
MINIMUM TEMPERATURE (F) 80 73 1953  
 
SUNRISE AND SUNSET  
AUGUST 18 2021........SUNRISE 6:03 AM AST SUNSET 6:44 PM AST  
AUGUST 19 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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