046  
CDCA42 TJSJ 210421  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1221 AM AST SAT SEP 21 2024  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 20 2024...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 89 1:09 PM 96 1993 89 0 89  
MINIMUM 78 6:27 AM 68 1972 79 -1 80  
AVERAGE 84 84 0 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.75 2017 0.19 -0.19 T  
MONTH TO DATE 5.67 3.84 1.83 1.82  
SINCE SEP 1 5.67 3.84 1.83 1.82  
SINCE JAN 1 16.81 25.13 -8.32 12.59  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 19 19 0 20  
MONTH TO DATE 393 391 2 422  
SINCE SEP 1 393 391 2 422  
SINCE JAN 1 3191 4442 -1251 4583    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 6 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 8 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 2.0  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 70  
AVERAGE 82  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1993  
MINIMUM TEMPERATURE (F) 79 70 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2024.....SUNRISE 6:09 AM AST SUNSET 6:16 PM AST  
SEPTEMBER 22 2024.....SUNRISE 6:09 AM AST SUNSET 6:16 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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