262  
CDCA42 TJSJ 312123  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
523 PM AST SUN DEC 31 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 31 2023...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 83 2:39 PM 90 1994 85 -2 86  
MINIMUM 73 5:55 AM 65 1972 74 -1 74  
AVERAGE 78 79 -1 80  
 
PRECIPITATION (IN)  
TODAY M 1.11 2019 0.07 M 0.04  
MONTH TO DATE 3.91 2.93 0.98 0.82  
SINCE DEC 1 3.91 2.93 0.98 0.82  
SINCE JAN 1 28.81 41.45 -12.64 41.21  
 
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 13 14 -1 15  
MONTH TO DATE 472 467 5 466  
SINCE DEC 1 472 467 5 466  
SINCE JAN 1 6389 6165 224 6028    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 69  
AVERAGE 85  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 89 1994  
MINIMUM TEMPERATURE (F) 74 66 1955  
 
SUNRISE AND SUNSET  
DECEMBER 31 2023......SUNRISE 6:51 AM AST SUNSET 5:54 PM AST  
JANUARY 1 2024.......SUNRISE 6:52 AM AST SUNSET 5:55 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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