332  
CDCA42 TJSJ 180426  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1226 AM AST SUN APR 18 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 17 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 2:07 PM 94 1992 87 0 86  
MINIMUM 80 10:30 PM 69 2003 74 6 77  
AVERAGE 84 81 3 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 4.59 2003 0.09 -0.09 0.00  
MONTH TO DATE 1.52 1.35 0.17 0.28  
SINCE MAR 1 2.13 2.77 -0.64 2.88  
SINCE JAN 1 4.01 6.58 -2.57 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 269 261 8 267  
SINCE MAR 1 766 706 60 697  
SINCE JAN 1 1658 1520 138 1560    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.6  
 
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 63  
AVERAGE 71  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1996  
MINIMUM TEMPERATURE (F) 75 71 1991  
 
SUNRISE AND SUNSET  
APRIL 18 2021.........SUNRISE 6:01 AM AST SUNSET 6:38 PM AST  
APRIL 19 2021.........SUNRISE 6:00 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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