478  
CDCA42 TJSJ 120439  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1239 AM AST TUE DEC 12 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 11 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 86 2:05 PM 92 1995 85 1 84  
MINIMUM 77 6:03 AM 65 1982 75 2 78  
AVERAGE 82 80 2 81  
 
PRECIPITATION (IN)  
YESTERDAY T 1.01 2001 0.10 -0.10 T  
MONTH TO DATE 0.05 1.20 -1.15 0.24  
SINCE DEC 1 0.05 1.20 -1.15 0.24  
SINCE JAN 1 23.62 39.72 -16.10 40.63  
 
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 17 15 2 16  
MONTH TO DATE 187 173 14 164  
SINCE DEC 1 187 173 14 164  
SINCE JAN 1 6104 5871 233 5726    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 13.8  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96  
LOWEST 70  
AVERAGE 83  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1994  
MINIMUM TEMPERATURE (F) 75 68 1983  
 
SUNRISE AND SUNSET  
DECEMBER 12 2023......SUNRISE 6:42 AM AST SUNSET 5:45 PM AST  
DECEMBER 13 2023......SUNRISE 6:43 AM AST SUNSET 5:45 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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