164  
CDCA42 TJSJ 120518  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
118 AM AST TUE SEP 12 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 11 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 90 MM 95 1993 89 1 91  
MINIMUM 79 MM 68 1994 80 -1 80  
AVERAGE 85 84 1 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.38 1.37 2020 0.19 0.19 0.16  
MONTH TO DATE 0.73 2.12 -1.39 3.12  
SINCE SEP 1 0.73 2.12 -1.39 3.12  
SINCE JAN 1 11.76 23.41 -11.65 22.49  
 
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 20 0 21  
MONTH TO DATE 235 220 15 218  
SINCE SEP 1 235 220 15 218  
SINCE JAN 1 4396 4271 125 4116    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (270)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION MM  
AVERAGE WIND SPEED 11.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100  
LOWEST 70  
AVERAGE 85  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1992  
MINIMUM TEMPERATURE (F) 80 73 1984  
2021  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2023.....SUNRISE 6:07 AM AST SUNSET 6:25 PM AST  
SEPTEMBER 13 2023.....SUNRISE 6:07 AM AST SUNSET 6:24 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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