662  
CDUS43 KFSD 120642  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
142 AM CDT THU AUG 12 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR AUGUST 11 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 87 5:45 PM 99 1936 84 3 87  
MINIMUM 71 6:53 AM 35 1902 62 9 58  
AVERAGE 79 73 6 73  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.85 1926 0.11 -0.11 0.00  
MONTH TO DATE 1.88 1.25 0.63 0.95  
SINCE JUN 1 7.56 8.73 -1.17 6.58  
SINCE JAN 1 16.00 18.62 -2.62 12.94  
 
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 14 8 6 8  
MONTH TO DATE 110 95 15 80  
SINCE JUN 1 765 567 198 753  
SINCE JAN 1 828 618 210 773    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION NW (320)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 8.9  
 
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 87 6:00 AM  
LOWEST 31 1:00 PM  
AVERAGE 59  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 84 97 1971  
1995  
MINIMUM TEMPERATURE (F) 62 44 1964  
 
SUNRISE AND SUNSET  
AUGUST 12 2021........SUNRISE 6:29 AM CDT SUNSET 8:34 PM CDT  
AUGUST 13 2021........SUNRISE 6:30 AM CDT SUNSET 8:33 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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