367  
CDCA42 TJSJ 041953  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
353 PM AST THU DEC 04 2025  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 4 2025...  
VALID TODAY AS OF 0300 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 89 12:50 PM 92 1995 86 3 86  
MINIMUM 80 7:02 AM 66 1954 76 4 77  
AVERAGE 85 81 4 82  
 
PRECIPITATION (IN)  
TODAY 0.01 0.66 1960 0.11 -0.10 T  
MONTH TO DATE 0.04 0.47 -0.43 0.16  
SINCE DEC 1 0.04 0.47 -0.43 0.16  
SINCE JAN 1 28.70 38.99 -10.29 35.23  
 
DEGREE DAYS  
HEATING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
TODAY 20 16 4 17  
MONTH TO DATE 57 64 -7 67  
SINCE DEC 1 57 64 -7 67  
SINCE JAN 1 5434 5762 -328 4555    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 55  
AVERAGE 73  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 92 1992  
MINIMUM TEMPERATURE (F) 76 62 1972  
 
SUNRISE AND SUNSET  
DECEMBER 4 2025......SUNRISE 6:38 AM AST SUNSET 5:43 PM AST  
DECEMBER 5 2025......SUNRISE 6:38 AM AST SUNSET 5:43 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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