268  
CDUS43 KFSD 182236  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
436 PM CST THU FEB 18 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR FEBRUARY 18 2021
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 17 3:59 PM 62 1981 32 -15 25  
MINIMUM -4 7:45 AM -21 1903 13 -17 10  
AVERAGE 7 22 -15 18  
 
PRECIPITATION (IN)  
TODAY T 1.03 1962 0.03 -0.03 T  
MONTH TO DATE 0.48 0.34 0.14 0.18  
SINCE DEC 1 1.99 1.59 0.40 2.22  
SINCE JAN 1 1.45 0.90 0.55 0.98  
 
SNOWFALL (IN)  
TODAY T 13.8 1962 0.3 -0.3 T  
MONTH TO DATE 5.4 4.3 1.1 1.9  
SINCE DEC 1 19.1 20.2 -1.1 18.4  
SINCE JUL 1 29.4 28.9 0.5 27.5  
SNOW DEPTH 3  
 
DEGREE DAYS  
HEATING  
TODAY 58 43 15 47  
MONTH TO DATE 1096 813 283 788  
SINCE DEC 1 3463 3733 -270 3426  
SINCE JUL 1 4994 5445 -451 5075  
 
COOLING  
TODAY 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 10 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 14 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 3.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.7  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 95 10:00 AM  
LOWEST 67 1:00 PM  
AVERAGE 81  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 65 1996  
MINIMUM TEMPERATURE (F) 13 -24 1959  
 
SUNRISE AND SUNSET  
FEBRUARY 18 2021......SUNRISE 7:20 AM CST SUNSET 6:02 PM CST  
FEBRUARY 19 2021......SUNRISE 7:19 AM CST SUNSET 6:03 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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