863  
CDUS43 KFSD 172217  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
517 PM CDT SAT APR 17 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR APRIL 17 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 54 2:27 PM 90 1985 60 -6 51  
MINIMUM 40 6:41 AM 15 1907 35 5 26  
AVERAGE 47 47 0 39  
 
PRECIPITATION (IN)  
TODAY 0.01 1.73 1896 0.11 -0.10 0.00  
MONTH TO DATE 1.82 1.65 0.17 0.79  
SINCE MAR 1 4.45 3.41 1.04 2.85  
SINCE JAN 1 6.15 4.57 1.58 3.83  
 
SNOWFALL (IN)  
TODAY 0.0 6.1 1983 0.2 -0.2 0.0  
MONTH TO DATE T 3.2 -3.2 5.6  
SINCE MAR 1 8.3 11.6 -3.3 11.9  
SINCE JUL 1 39.8 43.1 -3.3 39.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 18 18 0 26  
MONTH TO DATE 279 365 -86 448  
SINCE MAR 1 1018 1360 -342 1266  
SINCE JUL 1 6370 7210 -840 6755  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 6 0 6 0  
SINCE MAR 1 6 0 6 0  
SINCE JAN 1 6 0 6 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION N (360)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 11.6  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 4:00 AM  
LOWEST 30 4:00 PM  
AVERAGE 57  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 92 1985  
MINIMUM TEMPERATURE (F) 35 14 1953  
 
SUNRISE AND SUNSET  
APRIL 17 2021.........SUNRISE 6:41 AM CDT SUNSET 8:13 PM CDT  
APRIL 18 2021.........SUNRISE 6:39 AM CDT SUNSET 8:14 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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