711  
CDCA42 TJSJ 170424  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1224 AM AST SAT APR 17 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 16 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 88 1:42 PM 93 1995 87 1 86  
MINIMUM 77 3:32 AM 70 1976 74 3 75  
AVERAGE 83 81 2 81  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.12 2013 0.09 -0.09 0.00  
MONTH TO DATE 1.52 1.26 0.26 0.28  
SINCE MAR 1 2.13 2.68 -0.55 2.88  
SINCE JAN 1 4.01 6.49 -2.48 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 16  
MONTH TO DATE 250 245 5 250  
SINCE MAR 1 747 690 57 680  
SINCE JAN 1 1639 1504 135 1543    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 9.4  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
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 1992  
MINIMUM TEMPERATURE (F) 74 69 2003  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:02 AM AST SUNSET 6:37 PM AST  
APRIL 18 2021.........SUNRISE 6:01 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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