672  
CDCA42 TJSJ 100517  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
117 AM AST SUN SEP 10 2023  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 9 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 93 1:48 PM 95 1995 89 4 89  
MINIMUM 82 5:36 AM 69 1980 80 2 82  
AVERAGE 88 84 4 86  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 5.83 1988 0.19 -0.11 0.00  
MONTH TO DATE 0.29 1.73 -1.44 2.95  
SINCE SEP 1 0.29 1.73 -1.44 2.95  
SINCE JAN 1 11.32 23.02 -11.70 22.32  
 
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 23 20 3 21  
MONTH TO DATE 192 180 12 177  
SINCE SEP 1 192 180 12 177  
SINCE JAN 1 4353 4231 122 4075    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (30)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 8.8  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 97  
LOWEST 66  
AVERAGE 82  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 2015  
MINIMUM TEMPERATURE (F) 80 74 2016  
 
SUNRISE AND SUNSET  
SEPTEMBER 10 2023.....SUNRISE 6:07 AM AST SUNSET 6:27 PM AST  
SEPTEMBER 11 2023.....SUNRISE 6:07 AM AST SUNSET 6:26 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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