971  
CDUS43 KFSD 200621  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
121 AM CDT MON SEP 20 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR SEPTEMBER 19 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 3:26 PM 100 1895 75 14 78  
MINIMUM 70 6:26 AM 27 1991 51 19 53  
AVERAGE 80 63 17 66  
 
PRECIPITATION (IN)  
YESTERDAY T 2.66 2018 0.09 -0.09 0.00  
MONTH TO DATE 0.88 1.72 -0.84 0.38  
SINCE SEP 1 0.88 1.72 -0.84 0.38  
SINCE JAN 1 21.29 22.43 -1.14 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 0 5 -5 0  
MONTH TO DATE 6 54 -48 92  
SINCE SEP 1 6 54 -48 92  
SINCE JUL 1 6 71 -65 92  
 
COOLING  
YESTERDAY 15 2 13 1  
MONTH TO DATE 73 72 1 49  
SINCE SEP 1 73 72 1 49  
SINCE JAN 1 1091 822 269 1057    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 31 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 18.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 73 5:00 AM  
LOWEST 42 3:00 PM  
AVERAGE 58  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 93 1910  
MINIMUM TEMPERATURE (F) 50 25 1918  
 
SUNRISE AND SUNSET  
SEPTEMBER 20 2021.....SUNRISE 7:12 AM CDT SUNSET 7:27 PM CDT  
SEPTEMBER 21 2021.....SUNRISE 7:13 AM CDT SUNSET 7:26 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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