170  
CDCA42 TJSJ 190515  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
115 AM AST MON APR 19 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 18 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 87 2:54 PM 93 1996 87 0 87  
MINIMUM 80 11:19 PM 71 1991 75 5 76  
AVERAGE 84 81 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.28 2003 0.09 -0.09 0.00  
MONTH TO DATE 1.52 1.44 0.08 0.28  
SINCE MAR 1 2.13 2.86 -0.73 2.88  
SINCE JAN 1 4.01 6.67 -2.66 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 19 16 3 17  
MONTH TO DATE 288 277 11 284  
SINCE MAR 1 785 722 63 714  
SINCE JAN 1 1677 1536 141 1577    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SE (130)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.9  
 
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) 87 94 1996  
MINIMUM TEMPERATURE (F) 75 69 1976  
 
SUNRISE AND SUNSET  
APRIL 19 2021.........SUNRISE 6:00 AM AST SUNSET 6:38 PM AST  
APRIL 20 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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