907  
CDCA42 TJSJ 120458  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1258 AM AST SUN SEP 12 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR SEPTEMBER 11 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 88 3:06 PM 95 1993 89 -1 91  
MINIMUM 78 8:08 PM 68 1994 80 -2 78  
AVERAGE 83 84 -1 85  
 
PRECIPITATION (IN)  
YESTERDAY 0.32 1.37 2020 0.19 0.13 1.37  
MONTH TO DATE 0.74 2.12 -1.38 1.92  
SINCE SEP 1 0.74 2.12 -1.38 1.92  
SINCE JAN 1 19.88 23.41 -3.53 18.47  
 
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 18 20 -2 20  
MONTH TO DATE 218 220 -2 233  
SINCE SEP 1 218 220 -2 233  
SINCE JAN 1 4469 4271 198 4485    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION E (100)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST MM  
LOWEST MM  
AVERAGE MM  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1992  
MINIMUM TEMPERATURE (F) 80 73 1984  
 
SUNRISE AND SUNSET  
SEPTEMBER 12 2021.....SUNRISE 6:07 AM AST SUNSET 6:24 PM AST  
SEPTEMBER 13 2021.....SUNRISE 6:07 AM AST SUNSET 6:24 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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