105  
CDUS43 KFSD 210643  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1243 AM CST SUN FEB 21 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR FEBRUARY 20 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
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 27 11:59 PM 65 1981 33 -6 26  
MINIMUM -4 5:10 AM -19 1918 13 -17 -4  
2008  
AVERAGE 12 23 -11 11  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.81 1953 0.02 -0.02 0.00  
MONTH TO DATE 0.48 0.38 0.10 0.18  
SINCE DEC 1 1.99 1.63 0.36 2.22  
SINCE JAN 1 1.45 0.94 0.51 0.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 7.2 2019 0.2 -0.2 0.0  
MONTH TO DATE 5.4 4.8 0.6 1.9  
SINCE DEC 1 19.1 20.7 -1.6 18.4  
SINCE JUL 1 29.4 29.4 0.0 27.5  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
YESTERDAY 53 42 11 54  
MONTH TO DATE 1203 897 306 898  
SINCE DEC 1 3570 3817 -247 3536  
SINCE JUL 1 5101 5529 -428 5185  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 14 HIGHEST WIND DIRECTION SE (150)  
HIGHEST GUST SPEED 17 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 7.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 7:00 PM  
LOWEST 73 12:00 AM  
AVERAGE 81  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 33 68 2017  
MINIMUM TEMPERATURE (F) 14 -19 1918  
 
SUNRISE AND SUNSET  
FEBRUARY 21 2021......SUNRISE 7:16 AM CST SUNSET 6:06 PM CST  
FEBRUARY 22 2021......SUNRISE 7:14 AM CST SUNSET 6:07 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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