278  
CDCA42 TJSJ 160420  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1220 AM AST THU SEP 16 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 15 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 95 11:26 AM 97 1994 89 6 89  
MINIMUM 74 1:49 PM 72 1960 80 -6 81  
AVERAGE 85 84 1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.71 71.00 2021 0.18 0.53 0.00  
MONTH TO DATE 2.27 2.88 -0.61 3.07  
SINCE SEP 1 2.27 2.88 -0.61 3.07  
SINCE JAN 1 21.41 24.17 -2.76 19.62  
 
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 291 296 -5 313  
SINCE SEP 1 291 296 -5 313  
SINCE JAN 1 4542 4347 195 4565    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 29 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 8.7  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 90  
LOWEST 82  
AVERAGE 86  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1992  
MINIMUM TEMPERATURE (F) 80 66 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 16 2021.....SUNRISE 6:08 AM AST SUNSET 6:21 PM AST  
SEPTEMBER 17 2021.....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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