729  
CDCA42 TJSJ 110919  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
519 AM AST MON AUG 11 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 10 2025...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 12:21 PM 97 1993 90 3 90  
MINIMUM 82 11:59 PM 70 1953 80 2 77  
AVERAGE 88 85 3 84  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 0.90 1994 0.15 -0.13 0.87  
MONTH TO DATE 0.23 1.23 -1.00 1.99  
SINCE JUN 1 2.27 6.49 -4.22 5.17  
SINCE JAN 1 18.37 18.15 0.22 5.17  
 
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 23 20 3 19  
MONTH TO DATE 220 200 20 194  
SINCE JUN 1 1464 1377 87 1143  
SINCE JAN 1 3856 3640 216 2388    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 61  
AVERAGE 70  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 1993  
MINIMUM TEMPERATURE (F) 80 71 1956  
 
SUNRISE AND SUNSET  
AUGUST 11 2025........SUNRISE 6:01 AM AST SUNSET 6:49 PM AST  
AUGUST 12 2025........SUNRISE 6:01 AM AST SUNSET 6:48 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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