627  
CDCA42 TJSJ 172126  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
526 PM AST SUN DEC 17 2023  
   
...............................  
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 17 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 84 MM 91 1994 85 -1 85  
MINIMUM 75 MM 65 1972 75 0 74  
AVERAGE 80 80 0 80  
 
PRECIPITATION (IN)  
TODAY MM 1.13 2002 0.09 MM 0.11  
MONTH TO DATE 0.07 1.77 -1.70 0.35  
SINCE DEC 1 0.07 1.77 -1.70 0.35  
SINCE JAN 1 23.64 40.29 -16.65 40.74  
 
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 15  
MONTH TO DATE 277 263 14 252  
SINCE DEC 1 277 263 14 252  
SINCE JAN 1 6194 5961 233 5814    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 16.1  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
RAIN  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 69  
AVERAGE 83  
   
......................................................  
 
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 1982  
 
SUNRISE AND SUNSET  
DECEMBER 17 2023......SUNRISE 6:45 AM AST SUNSET 5:47 PM AST  
DECEMBER 18 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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