868  
CDCA42 TJSJ 201326  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
926 AM AST TUE APR 20 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 19 2021...  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 86 3:09 PM 94 1996 87 -1 86  
MINIMUM 80 11:59 PM 69 1976 75 5 77  
AVERAGE 83 81 2 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.78 1958 0.09 -0.09 0.00  
MONTH TO DATE 1.52 1.53 -0.01 0.28  
SINCE MAR 1 2.13 2.95 -0.82 2.88  
SINCE JAN 1 4.01 6.76 -2.75 7.83  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 16 2 17  
MONTH TO DATE 306 293 13 301  
SINCE MAR 1 803 738 65 731  
SINCE JAN 1 1695 1552 143 1594    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 61  
AVERAGE 68  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 92 1993  
MINIMUM TEMPERATURE (F) 75 70 1955  
 
SUNRISE AND SUNSET  
APRIL 20 2021.........SUNRISE 5:59 AM AST SUNSET 6:38 PM AST  
APRIL 21 2021.........SUNRISE 5:59 AM AST SUNSET 6:38 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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