793  
CDUS43 KFSD 310632  
CLIFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1232 AM CST THU DEC 31 2020  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR DECEMBER 30 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1893 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 28 1:10 AM 59 2004 26 2 27  
MINIMUM 14 11:59 PM -29 1917 7 7 19  
AVERAGE 21 17 4 23  
 
PRECIPITATION (IN)  
YESTERDAY T 1.22 1931 0.02 -0.02 0.03  
MONTH TO DATE 0.54 0.67 -0.13 1.24  
SINCE DEC 1 0.54 0.67 -0.13 1.24  
SINCE JAN 1 16.35 26.36 -10.01 39.54  
 
SNOWFALL (IN)  
YESTERDAY T 6.3 1998 0.3 -0.3 0.5  
MONTH TO DATE 8.4 8.0 0.4 6.2  
SINCE DEC 1 8.4 8.0 0.4 6.2  
SINCE JUL 1 18.7 16.7 2.0 15.3  
SNOW DEPTH 6  
 
DEGREE DAYS  
HEATING  
YESTERDAY 44 48 -4 42  
MONTH TO DATE 1109 1371 -262 1218  
SINCE DEC 1 1109 1371 -262 1218  
SINCE JUL 1 2640 3083 -443 2867  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1111 690 421 830    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION NW (300)  
AVERAGE WIND SPEED 13.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.9  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LT FREEZING RAIN  
LIGHT SNOW  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 88 11:00 PM  
LOWEST 71 1:00 AM  
AVERAGE 80  
   
......................................................
 
 
THE SIOUX FALLS CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 26 54 1904  
MINIMUM TEMPERATURE (F) 7 -26 1973  
 
SUNRISE AND SUNSET  
DECEMBER 31 2020......SUNRISE 8:00 AM CST SUNSET 5:01 PM CST  
JANUARY 1 2021.......SUNRISE 8:00 AM CST SUNSET 5:01 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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