907  
CDCA42 TJSJ 161351  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
951 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 MM MM 97 1994 89 MM 89  
MINIMUM 74 1:49 PM 72 1960 80 -6 81  
AVERAGE MM 84 MM 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 MM 0 MM 0  
MONTH TO DATE 0 0 0 0  
SINCE SEP 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY MM 19 MM 20  
MONTH TO DATE 271 296 -25 313  
SINCE SEP 1 271 296 -25 313  
SINCE JAN 1 4522 4347 175 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 MM  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
HEAVY RAIN  
RAIN  
LIGHT RAIN  
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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