245  
CDCA42 TJSJ 190840  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
440 AM AST TUE AUG 19 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR AUGUST 18 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 88 4:13 PM 95 1994 90 -2 88  
MINIMUM 83 5:36 AM 73 1953 80 3 81  
AVERAGE 86 85 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 2.73 2013 0.13 -0.12 0.01  
MONTH TO DATE 2.64 2.36 0.28 6.87  
SINCE JUN 1 4.68 7.62 -2.94 10.05  
SINCE JAN 1 20.78 19.28 1.50 10.05  
 
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 20  
MONTH TO DATE 389 360 29 338  
SINCE JUN 1 1633 1537 96 1287  
SINCE JAN 1 4025 3800 225 2532    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 16.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 75  
AVERAGE 82  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 96 1993  
MINIMUM TEMPERATURE (F) 80 74 1979  
 
SUNRISE AND SUNSET  
AUGUST 19 2025........SUNRISE 6:03 AM AST SUNSET 6:44 PM AST  
AUGUST 20 2025........SUNRISE 6:03 AM AST SUNSET 6:43 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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