376  
CDUS43 KFSD 202241  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
541 PM CDT FRI AUG 20 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 20 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 83 12:55 PM 99 1955 82 1 87  
MINIMUM 75 2:05 PM 34 1950 61 14 66  
AVERAGE 79 72 7 77  
 
PRECIPITATION (IN)  
TODAY 0.23 1.51 2002 0.10 0.13 T  
MONTH TO DATE 2.11 2.24 -0.13 0.96  
SINCE JUN 1 7.79 9.72 -1.93 6.59  
SINCE JAN 1 16.23 19.61 -3.38 12.95  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 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  
TODAY 14 7 7 12  
MONTH TO DATE 210 163 47 176  
SINCE JUN 1 865 635 230 849  
SINCE JAN 1 928 686 242 869    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 13.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
THUNDERSTORM  
HEAVY RAIN  
LIGHT RAIN  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 4:00 AM  
LOWEST 69 1:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 82 98 1947  
1959  
1968  
MINIMUM TEMPERATURE (F) 60 40 2004  
 
SUNRISE AND SUNSET  
AUGUST 20 2021........SUNRISE 6:38 AM CDT SUNSET 8:22 PM CDT  
AUGUST 21 2021........SUNRISE 6:39 AM CDT SUNSET 8:20 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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