045  
CDUS43 KFSD 180631  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
131 AM CDT SUN APR 18 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR APRIL 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 58 4:31 PM 90 1985 60 -2 51  
MINIMUM 37 10:44 PM 15 1907 35 2 26  
AVERAGE 48 47 1 39  
 
PRECIPITATION (IN)  
YESTERDAY 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)  
YESTERDAY 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  
YESTERDAY 17 18 -1 26  
MONTH TO DATE 278 365 -87 448  
SINCE MAR 1 1017 1360 -343 1266  
SINCE JUL 1 6369 7210 -841 6755  
 
COOLING  
YESTERDAY 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 18 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 25 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 10.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 83 4:00 AM  
LOWEST 28 5:00 PM  
AVERAGE 56  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 60 92 1985  
MINIMUM TEMPERATURE (F) 35 14 1953  
 
SUNRISE AND SUNSET  
APRIL 18 2021.........SUNRISE 6:39 AM CDT SUNSET 8:14 PM CDT  
APRIL 19 2021.........SUNRISE 6:37 AM CDT SUNSET 8:15 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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