885  
CDUS43 KFSD 172239  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
439 PM CST FRI DEC 17 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR DECEMBER 17 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2021  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 28 3:59 PM 56 1962 31 -3 40  
MINIMUM 20 12:52 AM -24 1922 13 7 11  
AVERAGE 24 22 2 26  
 
PRECIPITATION (IN)  
TODAY 0.00 0.55 1908 0.02 -0.02 T  
MONTH TO DATE 1.46 0.47 0.99 T  
SINCE DEC 1 1.46 0.47 0.99 T  
SINCE JAN 1 27.70 27.49 0.21 15.81  
 
SNOWFALL (IN)  
TODAY 0.0 5.5 1908 0.3 -0.3 T  
MONTH TO DATE 9.8 4.7 5.1 T  
SINCE DEC 1 9.8 4.7 5.1 T  
SINCE JUL 1 10.3 12.3 -2.0 10.3  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 41 43 -2 39  
MONTH TO DATE 569 687 -118 568  
SINCE DEC 1 569 687 -118 568  
SINCE JUL 1 1736 2223 -487 2099  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1134 847 287 1111    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION E (90)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION E (90)  
AVERAGE WIND SPEED 11.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 78 2:00 AM  
LOWEST 65 2:00 PM  
AVERAGE 72  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 1923  
MINIMUM TEMPERATURE (F) 13 -27 2016  
 
SUNRISE AND SUNSET  
DECEMBER 17 2021......SUNRISE 7:55 AM CST SUNSET 4:52 PM CST  
DECEMBER 18 2021......SUNRISE 7:55 AM CST SUNSET 4:52 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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