127  
CDCA42 TJSJ 210424  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1224 AM AST THU SEP 21 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 20 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 89 5:25 PM 96 1993 89 0 88  
MINIMUM 80 6:38 AM 68 1972 79 1 80  
AVERAGE 85 84 1 84  
 
PRECIPITATION (IN)  
YESTERDAY T 1.75 2017 0.19 -0.19 T  
MONTH TO DATE 1.82 3.84 -2.02 5.77  
SINCE SEP 1 1.82 3.84 -2.02 5.77  
SINCE JAN 1 12.85 25.13 -12.28 25.14  
 
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 20 19 1 19  
MONTH TO DATE 422 391 31 386  
SINCE SEP 1 422 391 31 386  
SINCE JAN 1 4583 4442 141 4284    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 20 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.1  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
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 2023.....SUNRISE 6:09 AM AST SUNSET 6:17 PM AST  
SEPTEMBER 22 2023.....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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