247  
CDUS43 KFSD 180622  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
122 AM CDT SAT SEP 18 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR SEPTEMBER 17 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 74 4:00 PM 103 1895 76 -2 69  
MINIMUM 51 11:50 PM 24 1900 52 -1 41  
AVERAGE 63 64 -1 55  
 
PRECIPITATION (IN)  
YESTERDAY 0.01 1.60 1907 0.09 -0.08 0.00  
MONTH TO DATE 0.88 1.54 -0.66 0.38  
SINCE SEP 1 0.88 1.54 -0.66 0.38  
SINCE JAN 1 21.29 22.25 -0.96 13.60  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 T  
SINCE SEP 1 0.0 0.0 0.0 T  
SINCE JUL 1 T 0.0 0.0 T  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 2 4 -2 10  
MONTH TO DATE 6 44 -38 85  
SINCE SEP 1 6 44 -38 85  
SINCE JUL 1 6 61 -55 85  
 
COOLING  
YESTERDAY 0 3 -3 0  
MONTH TO DATE 56 67 -11 48  
SINCE SEP 1 56 67 -11 48  
SINCE JAN 1 1074 817 257 1056    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NE (40)  
HIGHEST GUST SPEED 31 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 7.8  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 1:00 AM  
LOWEST 25 3:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 94 1947  
MINIMUM TEMPERATURE (F) 51 27 1902  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2021.....SUNRISE 7:10 AM CDT SUNSET 7:31 PM CDT  
SEPTEMBER 19 2021.....SUNRISE 7:11 AM CDT SUNSET 7:29 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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