669  
CDCA42 TJSJ 192148  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
548 PM AST SUN SEP 19 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 19 2021...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 88 1:42 PM 95 1994 89 -1 91  
MINIMUM 78 6:20 AM 72 1974 79 -1 79  
AVERAGE 83 84 -1 85  
 
PRECIPITATION (IN)  
TODAY 0.00 3.31 2005 0.20 -0.20 0.00  
MONTH TO DATE 2.85 3.65 -0.80 3.12  
SINCE SEP 1 2.85 3.65 -0.80 3.12  
SINCE JAN 1 21.99 24.94 -2.95 19.67  
 
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 18 19 -1 20  
MONTH TO DATE 341 372 -31 398  
SINCE SEP 1 341 372 -31 398  
SINCE JAN 1 4592 4423 169 4650    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 7.9  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 85  
LOWEST 61  
AVERAGE 73  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1993  
MINIMUM TEMPERATURE (F) 79 68 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 19 2021.....SUNRISE 6:08 AM AST SUNSET 6:18 PM AST  
SEPTEMBER 20 2021.....SUNRISE 6:08 AM AST SUNSET 6:18 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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