425  
CDCA42 TJSJ 110423  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1223 AM AST MON DEC 11 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 10 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 85 1:43 PM 91 1992 86 -1 84  
MINIMUM 75 4:25 AM 64 1982 75 0 76  
AVERAGE 80 80 0 80  
 
PRECIPITATION (IN)  
YESTERDAY M 2.38 1972 0.10 M 0.00  
MONTH TO DATE T 1.10 -1.10 0.24  
SINCE DEC 1 T 1.10 -1.10 0.24  
SINCE JAN 1 23.57 39.62 -16.05 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 15  
MONTH TO DATE 170 158 12 148  
SINCE DEC 1 170 158 12 148  
SINCE JAN 1 6087 5856 231 5710    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 37 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 14.4  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 79  
AVERAGE 90  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1995  
MINIMUM TEMPERATURE (F) 75 65 1982  
 
SUNRISE AND SUNSET  
DECEMBER 11 2023......SUNRISE 6:41 AM AST SUNSET 5:45 PM AST  
DECEMBER 12 2023......SUNRISE 6:42 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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