515  
CDUS43 KABR 182324  
CLI8D3  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE ABERDEEN SD  
524 PM CST FRI DEC 18 2020  
   
...............................
 
 
   
..THE SISSETON SD CLIMATE SUMMARY FOR DECEMBER 18 2020
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1900 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 39 1207 PM 56 1979 25 14 29  
MINIMUM 24 1213 AM -23 2016 7 17 -1  
AVERAGE 32 16 16 14  
 
PRECIPITATION (IN)  
TODAY 0.01 0.20 1961 0.01 0.00 0.00  
MONTH TO DATE 0.01 0.23 -0.22 0.20  
SINCE DEC 1 0.01 0.23 -0.22 0.20  
SINCE JAN 1 13.15 22.17 -9.02 34.21  
 
SNOWFALL (IN)  
TODAY 0.0 2.0 1961 0.0  
MONTH TO DATE T 2.4  
SINCE OCT 1 8.3 12.0  
SINCE JUL 1 8.3 12.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 33 49 -16 51  
MONTH TO DATE 624 833 -209 891  
SINCE DEC 1 624 833 -209 891  
SINCE JUL 1 2377 2684 -307 2869  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 691 527 164 494    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 28 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 36 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 17.0  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 1200 AM  
LOWEST 67 1200 PM  
AVERAGE 78  
   
......................................................
 
 
THE SISSETON SD CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 25 51 1979  
MINIMUM TEMPERATURE (F) 7 -30 1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2020......SUNRISE 804 AM CST SUNSET 445 PM CST  
DECEMBER 19 2020......SUNRISE 805 AM CST SUNSET 446 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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