943  
CDCA42 TJSJ 202159  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
559 PM AST THU AUG 20 2026  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 20 2026...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2026  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 94 3:32 PM 97 1993 90 4 90  
MINIMUM 80 3:56 AM 73 1954 80 0 83  
AVERAGE 87 85 2 87  
 
PRECIPITATION (IN)  
TODAY 0.00 2.04 1954 0.14 -0.14 0.00  
MONTH TO DATE 0.80 2.64 -1.84 2.64  
SINCE JUN 1 1.59 7.90 -6.31 4.68  
SINCE JAN 1 10.82 19.56 -8.74 20.78  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 22 20 2 22  
MONTH TO DATE 399 400 -1 433  
SINCE JUN 1 1673 1577 96 1677  
SINCE JAN 1 4109 3840 269 4069    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 13.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 70  
LOWEST 24  
AVERAGE 47  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 98 1992  
MINIMUM TEMPERATURE (F) 80 73 2025  
 
SUNRISE AND SUNSET  
AUGUST 20 2026........SUNRISE 6:03 AM AST SUNSET 6:43 PM AST  
AUGUST 21 2026........SUNRISE 6:03 AM AST SUNSET 6:42 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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