154  
CDCA42 TJSJ 110520  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
120 AM AST SUN APR 11 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 10 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 85 12:54 PM 94 1995 87 -2 86  
MINIMUM 74 5:25 AM 62 1984 74 0 79  
AVERAGE 80 80 0 83  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.87 1975 0.09 -0.09 0.00  
MONTH TO DATE 1.52 0.73 0.79 0.22  
SINCE MAR 1 2.13 2.15 -0.02 2.82  
SINCE JAN 1 4.01 5.96 -1.95 7.77  
 
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 15 15 0 18  
MONTH TO DATE 153 150 3 144  
SINCE MAR 1 650 595 55 574  
SINCE JAN 1 1542 1409 133 1437    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (10)  
AVERAGE WIND SPEED 10.2  
 
SKY COVER  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 60  
LOWEST 45  
AVERAGE 53  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 95 1993  
MINIMUM TEMPERATURE (F) 74 62 1972  
 
SUNRISE AND SUNSET  
APRIL 11 2021.........SUNRISE 6:06 AM AST SUNSET 6:36 PM AST  
APRIL 12 2021.........SUNRISE 6:05 AM AST SUNSET 6:36 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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