841  
CDUS43 KFSD 180633  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1233 AM CST THU FEB 18 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR FEBRUARY 17 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 10 5:31 PM 70 1981 32 -22 31  
MINIMUM -1 11:19 PM -21 1958 12 -13 20  
AVERAGE 5 22 -17 26  
 
PRECIPITATION (IN)  
YESTERDAY 0.03 1.36 1962 0.02 0.01 T  
MONTH TO DATE 0.48 0.31 0.17 0.18  
SINCE DEC 1 1.99 1.56 0.43 2.22  
SINCE JAN 1 1.45 0.87 0.58 0.98  
 
SNOWFALL (IN)  
YESTERDAY 0.9 18.0 1962 0.2 0.7 T  
MONTH TO DATE 5.4 4.0 1.4 1.9  
SINCE DEC 1 19.1 19.9 -0.8 18.4  
SINCE JUL 1 29.4 28.6 0.8 27.5  
SNOW DEPTH 2  
 
DEGREE DAYS  
HEATING  
YESTERDAY 60 43 17 39  
MONTH TO DATE 1038 770 268 741  
SINCE DEC 1 3405 3690 -285 3379  
SINCE JUL 1 4936 5402 -466 5028  
 
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 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 23 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 7.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 1.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 87 8:00 PM  
LOWEST 59 12:00 AM  
AVERAGE 73  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 32 62 1981  
MINIMUM TEMPERATURE (F) 13 -21 1903  
 
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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