941  
CXUS53 KFSD 011736  
CLMSUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1136 AM CST SUN NOV 01 2020  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF OCTOBER 2020
 
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1889 TO 2020  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 96 10/03/1938  
LOW 5 10/29/1925  
HIGHEST 85 10/11 MM MM MM  
LOWEST 8 10/27 MM MM MM  
AVG. MAXIMUM 57.6 63.3 -5.7 MM  
AVG. MINIMUM 32.9 38.0 -5.1 MM  
MEAN 45.2 50.7 -5.5 MM  
DAYS MAX >= 90 0 0.3 -0.3 MM  
DAYS MAX <= 32 3 0.2 2.8 MM  
DAYS MIN <= 32 16 8.6 7.4 MM  
DAYS MIN <= 0 0 0.0 0.0 MM  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 6.83 2017  
MINIMUM T 1958  
TOTALS 1.17 2.13 -0.96 MM  
DAILY AVG. 0.04 0.07 -0.03 MM  
DAYS >= .01 8 7.4 0.6 MM  
DAYS >= .10 3 4.2 -1.2 MM  
DAYS >= .50 1 1.5 -0.5 MM  
DAYS >= 1.00 0 0.4 -0.4 MM  
GREATEST  
24 HR. TOTAL 0.60 10/11 TO 10/12  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL 9.8 1991  
TOTALS 4.2 1.0 3.2 MM  
SINCE 7/1 4.2 1.0 3.2 MM  
SNOWDEPTH AVG. 0 MM  
DAYS >= 1.0 1 0.3 0.7 MM  
GREATEST  
SNOW DEPTH 4R 10/26 MM  
10/27  
24 HR TOTAL 4.2R 10/25 TO 10/25  
 
DEGREE DAYS  
HEATING TOTAL 609 453 156 MM  
SINCE 7/1 719 600 119 MM  
COOLING TOTAL 6 8 -2 MM  
SINCE 1/1 1061 869 192 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.0  
HIGHEST WIND SPEED/DIRECTION 36/330 DATE 10/11  
HIGHEST GUST SPEED/DIRECTION 46/340 DATE 10/11  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.32  
NUMBER OF DAYS FAIR 20  
NUMBER OF DAYS PC 5  
NUMBER OF DAYS CLOUDY 6  
 
AVERAGE RH (PERCENT) 66  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 1 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 1  
LIGHT RAIN 7 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 5 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 3  
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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