319  
CDUS43 KFSD 200636  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
136 AM CDT THU MAY 20 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR MAY 19 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
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 74 4:11 PM 97 1934 72 2 62  
MINIMUM 59 1:43 AM 27 1894 49 10 50  
AVERAGE 67 60 7 56  
 
PRECIPITATION (IN)  
YESTERDAY 0.05 0.93 1990 0.13 -0.08 T  
MONTH TO DATE 1.06 2.21 -1.15 1.27  
SINCE MAR 1 5.76 6.81 -1.05 4.48  
SINCE JAN 1 7.46 8.24 -0.78 5.46  
 
SNOWFALL (IN)  
YESTERDAY 0.0 MM MM 0.0 0.0 0.0  
MONTH TO DATE T 0.1 -0.1 0.0  
SINCE MAR 1 8.5 12.4 -3.9 11.9  
SINCE JUL 1 40.0 45.3 -5.3 39.4  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 6 -6 9  
MONTH TO DATE 185 174 11 219  
SINCE MAR 1 1416 1654 -238 1618  
SINCE JUL 1 6768 7163 -395 7107  
 
COOLING  
YESTERDAY 2 2 0 0  
MONTH TO DATE 13 18 -5 8  
SINCE MAR 1 19 24 -5 8  
SINCE JAN 1 19 24 -5 8    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 20 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 27 HIGHEST GUST DIRECTION S (180)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT RAIN  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 93 6:00 AM  
LOWEST 64 3:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 72 95 1934  
MINIMUM TEMPERATURE (F) 49 27 1895  
1967  
 
SUNRISE AND SUNSET  
MAY 20 2021...........SUNRISE 5:57 AM CDT SUNSET 8:51 PM CDT  
MAY 21 2021...........SUNRISE 5:56 AM CDT SUNSET 8:52 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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