818  
CDCA42 TJSJ 210427  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1227 AM AST SUN MAR 21 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR MARCH 20 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 MM 92 1994 86 0 85  
MINIMUM 74 MM 67 1982 73 1 73  
AVERAGE 80 80 0 79  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.02 1961 0.05 -0.04 0.32  
MONTH TO DATE 0.28 0.88 -0.60 1.66  
SINCE MAR 1 0.28 0.88 -0.60 1.66  
SINCE JAN 1 2.16 4.69 -2.53 6.61  
 
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 15 14 1 14  
MONTH TO DATE 310 280 30 284  
SINCE MAR 1 310 280 30 284  
SINCE JAN 1 1202 1094 108 1147    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION E (80)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (80)  
AVERAGE WIND SPEED 11.9  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79  
LOWEST 58  
AVERAGE 69  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 94 1994  
MINIMUM TEMPERATURE (F) 73 65 1972  
 
SUNRISE AND SUNSET  
MARCH 21 2021.........SUNRISE 6:23 AM AST SUNSET 6:31 PM AST  
MARCH 22 2021.........SUNRISE 6:22 AM AST SUNSET 6:31 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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