342  
CDUS44 KJAN 212221  
CLIGLH  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE JACKSON MS  
421 PM CST MON DEC 21 2020  
   
...............................
 
 
   
..THE GREENVILLE CLIMATE SUMMARY FOR DECEMBER 21 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1903 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 65 3:32 PM 77 1967 53 12 54  
2013  
MINIMUM 34 7:03 AM 1 1989 35 -1 40  
AVERAGE 50 44 6 47  
 
PRECIPITATION (IN)  
TODAY 0.00 3.60 1990 0.17 -0.17 T  
MONTH TO DATE 3.05 4.04 -0.99 2.52  
SINCE DEC 1 3.05 4.04 -0.99 2.52  
SINCE JAN 1 59.93 51.06 8.87 75.36  
 
SNOWFALL (IN)  
TODAY 0.0  
 
DEGREE DAYS  
HEATING  
TODAY 15 21 -6 18  
MONTH TO DATE 404 405 -1 369  
SINCE DEC 1 404 405 -1 369  
SINCE JUL 1 737 867 -130 943  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 2285 2186 99 2538    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION SW (240)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SW (240)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 43 3:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE GREENVILLE CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 53 75 1967  
1984  
2017  
MINIMUM TEMPERATURE (F) 35 1 1989  
 
SUNRISE AND SUNSET  
DECEMBER 21 2020......SUNRISE 7:04 AM CST SUNSET 5:00 PM CST  
DECEMBER 22 2020......SUNRISE 7:05 AM CST SUNSET 5:01 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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