845  
CXUS53 KFSD 011734  
CLMFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1134 AM CST SUN NOV 01 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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