830  
CDCA42 TJSJ 220427  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1227 AM AST FRI SEP 22 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 21 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 12:41 PM 95 1993 89 0 89  
MINIMUM 81 6:37 AM 70 1972 79 2 81  
AVERAGE 85 84 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 4.31 1998 0.20 -0.18 T  
MONTH TO DATE 1.84 4.04 -2.20 5.77  
SINCE SEP 1 1.84 4.04 -2.20 5.77  
SINCE JAN 1 12.87 25.33 -12.46 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 20  
MONTH TO DATE 442 410 32 406  
SINCE SEP 1 442 410 32 406  
SINCE JAN 1 4603 4461 142 4304    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION NE (30)  
AVERAGE WIND SPEED 7.7  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88  
LOWEST 75  
AVERAGE 82  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1994  
MINIMUM TEMPERATURE (F) 79 74 2008  
 
SUNRISE AND SUNSET  
SEPTEMBER 22 2023.....SUNRISE 6:09 AM AST SUNSET 6:16 PM AST  
SEPTEMBER 23 2023.....SUNRISE 6:09 AM AST SUNSET 6:15 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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