434  
CDCA42 TJSJ 090446  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
1246 AM AST SAT JAN 09 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 8 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 84 1:13 PM 91 1995 85 -1 86  
MINIMUM 74 7:12 AM 63 1956 73 1 75  
AVERAGE 79 79 0 81  
 
PRECIPITATION (IN)  
YESTERDAY T 0.35 1994 0.09 -0.09 0.09  
MONTH TO DATE 0.30 0.70 -0.40 0.52  
SINCE DEC 1 1.74 3.66 -1.92 5.45  
SINCE JAN 1 0.30 0.70 -0.40 0.52  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JUL 1 0 0 0 0  
 
COOLING  
YESTERDAY 14 14 0 16  
MONTH TO DATE 111 112 -1 115  
SINCE DEC 1 588 563 25 627  
SINCE JAN 1 111 112 -1 115    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 9.5  
 
SKY COVER  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82  
LOWEST 56  
AVERAGE 69  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 92 1996  
MINIMUM TEMPERATURE (F) 73 65 1987  
 
SUNRISE AND SUNSET  
JANUARY 9 2021.......SUNRISE 6:54 AM AST SUNSET 6:00 PM AST  
JANUARY 10 2021.......SUNRISE 6:54 AM AST SUNSET 6:01 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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