409  
CDCA42 TJSJ 190611  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN, PR  
209 AM AST MON OCT 19 2020  
 
   
...............................
 
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR OCTOBER 18 2020...  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1953 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 88 108 PM 94 1993 89 -1 89  
MINIMUM 78 1130 PM 70 1985 77 1 77  
AVERAGE 83 83 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 1984 0.18 -0.18 0.24  
MONTH TO DATE 3.21 3.07 0.14 1.60  
SINCE SEP 1 8.41 8.65 -0.24 5.11  
SINCE JAN 1 24.96 28.80 -3.84 28.04  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE SEP 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 18 0 18  
MONTH TO DATE 326 324 2 353  
SINCE SEP 1 936 892 44 946  
SINCE JAN 1 5188 4883 305 4973    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 12 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 4.6  
 
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 59  
AVERAGE 69  
   
......................................................
 
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 89 95 1993  
MINIMUM TEMPERATURE (F) 77 70 1954  
 
 
SUNRISE AND SUNSET  
OCTOBER 19 2020.......SUNRISE 615 AM AST SUNSET 554 PM AST  
OCTOBER 20 2020.......SUNRISE 615 AM AST SUNSET 554 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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