727  
CDCA42 TJSJ 010519  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
119 AM AST SAT MAY 01 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR APRIL 30 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 12:07 PM 96 1992 87 -1 87  
MINIMUM 77 11:37 PM 70 1986 75 2 76  
AVERAGE 82 81 1 82  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.31 1963 0.12 -0.11 0.31  
MONTH TO DATE 2.89 2.74 0.15 0.92  
SINCE MAR 1 3.50 4.16 -0.66 3.52  
SINCE JAN 1 5.38 7.97 -2.59 8.47  
 
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 17 16 1 17  
MONTH TO DATE 491 469 22 493  
SINCE MAR 1 988 914 74 923  
SINCE JAN 1 1880 1728 152 1786    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 26 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 10.4  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 74  
LOWEST 57  
AVERAGE 66  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 96 1994  
MINIMUM TEMPERATURE (F) 75 71 1975  
 
SUNRISE AND SUNSET  
MAY 1 2021...........SUNRISE 5:53 AM AST SUNSET 6:41 PM AST  
MAY 2 2021...........SUNRISE 5:52 AM AST SUNSET 6:42 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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