893  
CDCA42 TJSJ 172125  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
525 PM AST FRI SEP 17 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 17 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 87 1:18 PM 95 1991 89 -2 90  
MINIMUM 76 8:51 AM 64 1972 80 -4 82  
AVERAGE 82 84 -2 86  
 
PRECIPITATION (IN)  
TODAY 0.48 0.85 1984 0.20 0.28 0.05  
MONTH TO DATE 2.80 3.27 -0.47 3.12  
SINCE SEP 1 2.80 3.27 -0.47 3.12  
SINCE JAN 1 21.94 24.56 -2.62 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 17 19 -2 21  
MONTH TO DATE 306 334 -28 356  
SINCE SEP 1 306 334 -28 356  
SINCE JAN 1 4557 4385 172 4608    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.8  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
HEAVY RAIN  
LIGHT RAIN  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94  
LOWEST 65  
AVERAGE 80  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 96 1994  
MINIMUM TEMPERATURE (F) 80 71 1972  
 
SUNRISE AND SUNSET  
SEPTEMBER 17 2021.....SUNRISE 6:08 AM AST SUNSET 6:20 PM AST  
SEPTEMBER 18 2021.....SUNRISE 6:08 AM AST SUNSET 6:19 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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