177  
CDCA42 TJSJ 312135  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
535 PM AST WED MAR 31 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MARCH 31 2021...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
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)  
TODAY  
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)  
TODAY 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  
TODAY 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  
TODAY 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 (80)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION E (70)  
AVERAGE WIND SPEED 17.0  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 72  
LOWEST 46  
AVERAGE 59  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 87 93 1994  
MINIMUM TEMPERATURE (F) 73 67 1955  
 
SUNRISE AND SUNSET  
MARCH 31 2021.........SUNRISE 6:15 AM AST SUNSET 6:33 PM AST  
APRIL 1 2021.........SUNRISE 6:14 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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