953  
CDUS43 KFSD 170622  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
122 AM CDT TUE AUG 17 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 16 2021
 
 
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)  
YESTERDAY  
MAXIMUM 89 3:23 PM 101 1988 83 6 92  
MINIMUM 66 5:00 AM 48 1970 61 5 63  
AVERAGE 78 72 6 78  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.61 2015 0.12 -0.12 0.00  
MONTH TO DATE 1.88 1.82 0.06 0.96  
SINCE JUN 1 7.56 9.30 -1.74 6.59  
SINCE JAN 1 16.00 19.19 -3.19 12.95  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE T 0.0 0.0 0.0  
SINCE JUN 1 T 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE JUN 1 5 37 -32 0  
SINCE JUL 1 0 5 -5 0  
 
COOLING  
YESTERDAY 13 8 5 13  
MONTH TO DATE 149 135 14 140  
SINCE JUN 1 804 607 197 813  
SINCE JAN 1 867 658 209 833    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 13.9  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 4:00 AM  
LOWEST 50 3:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1947  
MINIMUM TEMPERATURE (F) 61 40 2012  
 
SUNRISE AND SUNSET  
AUGUST 17 2021........SUNRISE 6:34 AM CDT SUNSET 8:27 PM CDT  
AUGUST 18 2021........SUNRISE 6:35 AM CDT SUNSET 8:25 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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