265  
CDCA42 TJSJ 172139  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
539 PM AST SUN SEP 17 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 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 89 2:26 PM 95 1991 89 0 87  
MINIMUM 82 6:34 AM 64 1972 80 2 77  
AVERAGE 86 84 2 82  
 
PRECIPITATION (IN)  
TODAY 0.00 0.85 1984 0.20 -0.20 0.26  
MONTH TO DATE 0.73 3.27 -2.54 4.30  
SINCE SEP 1 0.73 3.27 -2.54 4.30  
SINCE JAN 1 11.76 24.56 -12.80 23.67  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 21 19 2 17  
MONTH TO DATE 364 334 30 337  
SINCE SEP 1 364 334 30 337  
SINCE JAN 1 4525 4385 140 4235    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 63  
AVERAGE 74  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1994  
MINIMUM TEMPERATURE (F) 80 71 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2023.....SUNRISE 6:08 AM AST SUNSET 6:21 PM AST  
SEPTEMBER 18 2023.....SUNRISE 6:08 AM AST SUNSET 6:20 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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