256  
CDCA42 TJSJ 290437  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1237 AM AST FRI DEC 29 2023  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 28 2023...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 84 2:18 PM 90 1993 85 -1 85  
MINIMUM 72 11:59 PM 65 1972 74 -2 76  
AVERAGE 78 79 -1 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.42 1957 0.08 -0.08 T  
MONTH TO DATE 3.91 2.70 1.21 0.68  
SINCE DEC 1 3.91 2.70 1.21 0.68  
SINCE JAN 1 28.81 41.22 -12.41 41.07  
 
DEGREE DAYS  
HEATING  
YESTERDAY 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  
YESTERDAY 13 14 -1 16  
MONTH TO DATE 434 425 9 421  
SINCE DEC 1 434 425 9 421  
SINCE JAN 1 6351 6123 228 5983    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 4.2  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93  
LOWEST 62  
AVERAGE 78  
   
......................................................  
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1995  
MINIMUM TEMPERATURE (F) 74 65 1972  
 
SUNRISE AND SUNSET  
DECEMBER 29 2023......SUNRISE 6:51 AM AST SUNSET 5:53 PM AST  
DECEMBER 30 2023......SUNRISE 6:51 AM AST SUNSET 5:54 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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