999  
CDCA42 TJSJ 210432  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1232 AM AST TUE SEP 21 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 20 2021...  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1953 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 87 2:37 PM 96 1993 89 -2 88  
MINIMUM 76 12:06 AM 68 1972 79 -3 78  
AVERAGE 82 84 -2 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.02 1.75 2017 0.19 -0.17 0.04  
MONTH TO DATE 3.11 3.84 -0.73 3.16  
SINCE SEP 1 3.11 3.84 -0.73 3.16  
SINCE JAN 1 22.25 25.13 -2.88 19.71  
 
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 17 19 -2 18  
MONTH TO DATE 356 391 -35 416  
SINCE SEP 1 356 391 -35 416  
SINCE JAN 1 4607 4442 165 4668    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION NE (60)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 5.7  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 70  
AVERAGE 80  
   
......................................................
 
 
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 2021.....SUNRISE 6:09 AM AST SUNSET 6:17 PM AST  
SEPTEMBER 22 2021.....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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