382  
CXUS53 KFSD 012148  
CLMFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
342 PM CST MON FEB 01 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF JANUARY 2021
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1893 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 66 01/24/1981  
LOW -38 01/12/1912  
HIGHEST 47 01/20 25 22 41 01/05  
LOWEST 4 01/01 5 -1 -13 01/16  
AVG. MAXIMUM 32.5 26.4 6.1 28.5  
AVG. MINIMUM 19.0 6.9 12.1 12.2  
MEAN 25.7 16.6 9.1 20.4  
DAYS MAX >= 90 0 0.0 0.0 0  
DAYS MAX <= 32 16 19.5 -3.5 17  
DAYS MIN <= 32 30 30.8 -0.8 31  
DAYS MIN <= 0 0 10.3 -10.3 8  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 2.23 1922  
MINIMUM T 1901  
TOTALS 0.97 0.56 0.41 0.80  
DAILY AVG. 0.03 0.02 0.01 0.03  
DAYS >= .01 6 6.6 -0.6 11  
DAYS >= .10 3 1.6 1.4 2  
DAYS >= .50 0 0.1 -0.1 1  
DAYS >= 1.00 0 0.0 0.0 0  
GREATEST  
24 HR. TOTAL 0.42 01/13 TO 01/14  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 22.2 1929  
TOTALS 5.3 7.7 -2.4 10.3  
SINCE 7/1 24.0 24.6 -0.6 MM  
SNOWDEPTH AVG. 1 4  
DAYS >= 1.0 2 2.1 -0.1 2  
GREATEST  
SNOW DEPTH 5R 01/01 9 01/17  
24 HR TOTAL 2.0 01/23 TO 01/23  
 
DEGREE DAYS  
HEATING TOTAL 1210 1499 -289 1377  
SINCE 7/1 3898 4637 -739 MM  
COOLING TOTAL 0 0 0 0  
SINCE 1/1 0 0 0 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.3  
HIGHEST WIND SPEED/DIRECTION 40/320 DATE 01/14  
HIGHEST GUST SPEED/DIRECTION 58/320 DATE 01/14  
58/320 01/15  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.73  
NUMBER OF DAYS FAIR 4  
NUMBER OF DAYS PC 10  
NUMBER OF DAYS CLOUDY 17  
 
AVERAGE RH (PERCENT) 79  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 4 FREEZING RAIN 0  
LT FREEZING RAIN 2 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 14 SLEET 0  
FOG 21 FOG W/VIS <= 1/4 MILE 2  
HAZE 0  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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