421  
CDCA42 TJSJ 160436  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1236 AM AST SAT DEC 16 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 15 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 82 9:22 AM 91 1994 85 -3 87  
MINIMUM 74 5:59 PM 70 2010 75 -1 76  
AVERAGE 78 80 -2 82  
 
PRECIPITATION (IN)  
YESTERDAY T 2.06 2014 0.09 -0.09 0.00  
MONTH TO DATE 0.06 1.59 -1.53 0.24  
SINCE DEC 1 0.06 1.59 -1.53 0.24  
SINCE JAN 1 23.63 40.11 -16.48 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 13 15 -2 17  
MONTH TO DATE 247 233 14 221  
SINCE DEC 1 247 233 14 221  
SINCE JAN 1 6164 5931 233 5783    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.3  
 
SKY COVER  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 76  
AVERAGE 88  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1994  
MINIMUM TEMPERATURE (F) 75 69 1954  
 
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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