605  
CXUS53 KFSD 021827  
CLMFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1226 PM CST MON NOV 2 2020  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1893 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 94 10/05/1963  
LOW -5 10/29/1925  
HIGHEST 86 10/06 MM MM MM  
LOWEST 13 10/26 MM MM MM  
10/27  
AVG. MAXIMUM 55.6 59.6 -4.0 MM  
AVG. MINIMUM 33.0 36.1 -3.1 MM  
MEAN 44.3 47.9 -3.6 MM  
DAYS MAX >= 90 0 0.0 0.0 MM  
DAYS MAX <= 32 3 0.3 2.7 MM  
DAYS MIN <= 32 13 10.8 2.2 MM  
DAYS MIN <= 0 0 0.0 0.0 MM  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 6.89 1911  
MINIMUM T 1952  
TOTALS 0.93 2.17 -1.24 MM  
DAILY AVG. 0.03 0.07 -0.04 MM  
DAYS >= .01 9 7.9 1.1 MM  
DAYS >= .10 3 4.2 -1.2 MM  
DAYS >= .50 0 1.5 -1.5 MM  
DAYS >= 1.00 0 0.5 -0.5 MM  
GREATEST  
24 HR. TOTAL 0.36 10/24 TO 10/25  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 10.0 1991  
TOTALS 4.8 1.3 3.5 MM  
SINCE 7/1 4.8 1.3 3.5 MM  
SNOWDEPTH AVG. 0 MM  
DAYS >= 1.0 1 0.5 0.5 MM  
GREATEST  
SNOW DEPTH 4 10/26 MM  
24 HR TOTAL 4.3 10/24 TO 10/25  
 
DEGREE DAYS  
HEATING TOTAL 643 536 107 MM  
SINCE 7/1 763 740 23 MM  
COOLING TOTAL 9 5 4 MM  
SINCE 1/1 1105 690 415 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.9  
HIGHEST WIND SPEED/DIRECTION 36/310 DATE 10/14  
HIGHEST GUST SPEED/DIRECTION 57/160 DATE 10/11  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.47  
NUMBER OF DAYS FAIR 12  
NUMBER OF DAYS PC 12  
NUMBER OF DAYS CLOUDY 7  
 
AVERAGE RH (PERCENT) 63  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 2 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 3  
LIGHT RAIN 14 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 6 SLEET 2  
FOG 7 FOG W/VIS <= 1/4 MILE 0  
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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