366  
CDCA42 TJSJ 212121  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
521 PM AST MON JUL 21 2025  
   
...............................  
 
   
..THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JULY 21 2025  
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 92 MM 97 1993 90 2 90  
MINIMUM 79 MM 68 1999 79 0 82  
AVERAGE 86 84 2 86  
 
PRECIPITATION (IN)  
TODAY 0.02 1.21 1958 0.10 -0.08 T  
MONTH TO DATE 1.06 1.85 -0.79 2.35  
SINCE JUN 1 1.90 4.20 -2.30 2.35  
SINCE JAN 1 18.00 15.86 2.14 2.35  
 
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 21 20 1 21  
MONTH TO DATE 417 420 -3 419  
SINCE JUN 1 1028 993 35 754  
SINCE JAN 1 3420 3256 164 1999    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 56  
AVERAGE 71  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 90 97 1994  
MINIMUM TEMPERATURE (F) 79 66 1999  
 
SUNRISE AND SUNSET  
JULY 21 2025..........SUNRISE 5:54 AM AST SUNSET 6:58 PM AST  
JULY 22 2025..........SUNRISE 5:55 AM AST SUNSET 6:58 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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