781  
CDUS43 KFSD 182245  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
445 PM CST SAT DEC 18 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR DECEMBER 18 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 22 2:36 AM 60 1923 31 -9 41  
MINIMUM 13 9:26 AM -27 2016 13 0 19  
AVERAGE 18 22 -4 30  
 
PRECIPITATION (IN)  
TODAY T 0.38 1957 0.03 -0.03 T  
MONTH TO DATE 1.47 0.50 0.97 T  
SINCE DEC 1 1.47 0.50 0.97 T  
SINCE JAN 1 27.71 27.52 0.19 15.81  
 
SNOWFALL (IN)  
TODAY T 3.6 2012 0.3 -0.3 0.0  
MONTH TO DATE 10.0 5.0 5.0 T  
SINCE DEC 1 10.0 5.0 5.0 T  
SINCE JUL 1 10.5 12.6 -2.1 10.3  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
TODAY 47 44 3 35  
MONTH TO DATE 616 731 -115 603  
SINCE DEC 1 616 731 -115 603  
SINCE JUL 1 1783 2267 -484 2134  
 
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 NW (320)  
HIGHEST GUST SPEED 24 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 12.0  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 4:00 AM  
LOWEST 67 12:00 PM  
AVERAGE 76  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 54 1894  
MINIMUM TEMPERATURE (F) 12 -24 1983  
 
SUNRISE AND SUNSET  
DECEMBER 18 2021......SUNRISE 7:55 AM CST SUNSET 4:52 PM CST  
DECEMBER 19 2021......SUNRISE 7:56 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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