398  
CDUS43 KFSD 190624  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
124 AM CDT THU AUG 19 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 18 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 3:39 PM 101 1983 83 6 86  
MINIMUM 71 6:15 AM 44 2002 61 10 54  
AVERAGE 80 72 8 70  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.24 1947 0.11 -0.11 0.00  
MONTH TO DATE 1.88 2.04 -0.16 0.96  
SINCE JUN 1 7.56 9.52 -1.96 6.59  
SINCE JAN 1 16.00 19.41 -3.41 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 15 7 8 5  
MONTH TO DATE 180 149 31 152  
SINCE JUN 1 835 621 214 825  
SINCE JAN 1 898 672 226 845    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 23 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 12.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 5:00 AM  
LOWEST 47 3:00 PM  
AVERAGE 66  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 98 1955  
MINIMUM TEMPERATURE (F) 61 39 2004  
 
SUNRISE AND SUNSET  
AUGUST 19 2021........SUNRISE 6:37 AM CDT SUNSET 8:24 PM CDT  
AUGUST 20 2021........SUNRISE 6:38 AM CDT SUNSET 8:22 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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