286  
CDCA42 TJSJ 162129  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
529 PM AST SAT DEC 16 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 16 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 2:05 PM 92 1994 85 -2 86  
MINIMUM 76 9:04 AM 69 1954 75 1 75  
AVERAGE 80 80 0 81  
 
PRECIPITATION (IN)  
TODAY MM 1.04 2004 0.09 MM T  
MONTH TO DATE 0.06 1.68 -1.62 0.24  
SINCE DEC 1 0.06 1.68 -1.62 0.24  
SINCE JAN 1 23.63 40.20 -16.57 40.63  
 
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 15 15 0 16  
MONTH TO DATE 262 248 14 237  
SINCE DEC 1 262 248 14 237  
SINCE JAN 1 6179 5946 233 5799    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 12.2  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 79  
AVERAGE 88  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 91 1994  
MINIMUM TEMPERATURE (F) 75 65 1972  
 
SUNRISE AND SUNSET  
DECEMBER 16 2023......SUNRISE 6:44 AM AST SUNSET 5:47 PM AST  
DECEMBER 17 2023......SUNRISE 6:45 AM AST SUNSET 5:47 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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