247  
CDUS43 KFSD 170634  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1234 AM CST WED FEB 17 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR FEBRUARY 16 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 0 11:59 PM 64 1981 32 -32 32  
MINIMUM -24 3:53 AM -30 1936 12 -36 23  
AVERAGE -12 22 -34 28  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.68 1932 0.01 -0.01 0.00  
MONTH TO DATE 0.45 0.29 0.16 0.18  
SINCE DEC 1 1.96 1.54 0.42 2.22  
SINCE JAN 1 1.42 0.85 0.57 0.98  
 
SNOWFALL (IN)  
YESTERDAY 0.0 8.0 1938 0.2 -0.2 0.0  
MONTH TO DATE 4.5 3.8 0.7 1.9  
SINCE DEC 1 18.2 19.7 -1.5 18.4  
SINCE JUL 1 28.5 28.4 0.1 27.5  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 77 43 34 37  
MONTH TO DATE 978 727 251 702  
SINCE DEC 1 3345 3647 -302 3340  
SINCE JUL 1 4876 5359 -483 4989  
 
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 15 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 6.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 81 12:00 AM  
LOWEST 48 6:00 PM  
AVERAGE 65  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 70 1981  
MINIMUM TEMPERATURE (F) 12 -21 1958  
 
SUNRISE AND SUNSET  
FEBRUARY 17 2021......SUNRISE 7:22 AM CST SUNSET 6:00 PM CST  
FEBRUARY 18 2021......SUNRISE 7:20 AM CST SUNSET 6:02 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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