579  
CDCA42 TJSJ 010428  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1228 AM AST THU APR 01 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MARCH 31 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 12:45 PM 93 1996 87 1 MM  
MINIMUM 77 6:44 AM 70 1995 73 4 MM  
AVERAGE 83 80 3 MM  
 
PRECIPITATION (IN)  
YESTERDAY T 0.98 2006 0.05 -0.05 0.00  
MONTH TO DATE 0.61 1.42 -0.81 2.60  
SINCE MAR 1 0.61 1.42 -0.81 2.60  
SINCE JAN 1 2.49 5.23 -2.74 7.55  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 MM  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 18 15 3 MM  
MONTH TO DATE 497 445 52 430  
SINCE MAR 1 497 445 52 430  
SINCE JAN 1 1389 1259 130 1293    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION E (70)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 16.5  
 
SKY COVER  
AVERAGE SKY COVER 0.3  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 46  
AVERAGE 59  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1994  
MINIMUM TEMPERATURE (F) 73 67 1955  
 
SUNRISE AND SUNSET  
APRIL 1 2021.........SUNRISE 6:14 AM AST SUNSET 6:34 PM AST  
APRIL 2 2021.........SUNRISE 6:13 AM AST SUNSET 6:34 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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