274  
CDCA42 TJSJ 130442  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1242 AM AST WED DEC 13 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 12 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 2:33 PM 92 1994 85 -1 84  
MINIMUM 76 11:07 AM 68 1983 75 1 74  
AVERAGE 80 80 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 0.52 1977 0.11 -0.10 0.00  
MONTH TO DATE 0.06 1.31 -1.25 0.24  
SINCE DEC 1 0.06 1.31 -1.25 0.24  
SINCE JAN 1 23.63 39.83 -16.20 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 15 15 0 14  
MONTH TO DATE 202 188 14 178  
SINCE DEC 1 202 188 14 178  
SINCE JAN 1 6119 5886 233 5740    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 64  
AVERAGE 77  
   
......................................................
 
 
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 1964  
 
SUNRISE AND SUNSET  
DECEMBER 13 2023......SUNRISE 6:43 AM AST SUNSET 5:45 PM AST  
DECEMBER 14 2023......SUNRISE 6:43 AM AST SUNSET 5:46 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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