820  
CDCA42 TJSJ 042123  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
523 PM AST MON JAN 04 2021  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR JANUARY 4 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 83 12:13 PM 92 1994 85 -2 84  
MINIMUM 76 7:05 AM 64 1955 73 3 75  
AVERAGE 80 79 1 80  
 
PRECIPITATION (IN)  
TODAY T 0.23 1994 0.09 -0.09 0.00  
MONTH TO DATE 0.03 0.35 -0.32 0.30  
SINCE DEC 1 1.47 3.31 -1.84 5.23  
SINCE JAN 1 0.03 0.35 -0.32 0.30  
 
DEGREE DAYS  
HEATING  
TODAY 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  
TODAY 15 14 1 15  
MONTH TO DATE 58 56 2 57  
SINCE DEC 1 535 507 28 569  
SINCE JAN 1 58 56 2 57    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NE (60)  
AVERAGE WIND SPEED 12.7  
 
SKY COVER  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 67  
LOWEST 51  
AVERAGE 59  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 85 93 1996  
MINIMUM TEMPERATURE (F) 73 66 1984  
 
SUNRISE AND SUNSET  
JANUARY 4 2021.......SUNRISE 6:53 AM AST SUNSET 5:57 PM AST  
JANUARY 5 2021.......SUNRISE 6:53 AM AST SUNSET 5:58 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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