855  
CDCA42 TJSJ 122139  
CLIIST  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SAN JUAN PR  
539 PM AST SAT DEC 12 2020  
   
...............................
 
 
...THE CYRIL E. KING AP/ST THOMAS CLIMATE SUMMARY FOR DECEMBER 12 2020...  
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1953 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 85 2:21 PM 92 1994 86 -1 86  
MINIMUM 76 3:53 AM 68 1983 74 2 75  
AVERAGE 81 80 1 81  
 
PRECIPITATION (IN)  
TODAY 0.12 0.52 1977 0.10 0.02 0.25  
MONTH TO DATE 0.58 1.25 -0.67 1.15  
SINCE DEC 1 0.58 1.25 -0.67 1.15  
SINCE JAN 1 35.34 37.63 -2.29 33.35  
 
SNOWFALL (IN)  
TODAY 0.0 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE DEC 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
 
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 16 15 1 16  
MONTH TO DATE 182 180 2 212  
SINCE DEC 1 182 180 2 212  
SINCE JAN 1 6114 5774 340 5960    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 18 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION E (110)  
AVERAGE WIND SPEED 9.0  
 
SKY COVER  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
   
......................................................
 
 
THE CYRIL E. KING AP/ST THOMAS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 86 92 1994  
MINIMUM TEMPERATURE (F) 74 68 1964  
 
SUNRISE AND SUNSET  
DECEMBER 12 2020......SUNRISE 6:42 AM AST SUNSET 5:45 PM AST  
DECEMBER 13 2020......SUNRISE 6:43 AM AST SUNSET 5:46 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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