267  
CXUS53 KFSD 021849  
CLMMHE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1249 PM CST SUN NOV 2 2020  
   
...............................
 
 
   
..THE MITCHELL SD 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 96 10/02/1997  
10/03/1938  
10/04/1922  
LOW -8 10/29/1925  
HIGHEST 88 10/09 MM MM MM  
LOWEST 7 10/27 MM MM MM  
AVG. MAXIMUM 56.1 61.9 -5.8 MM  
AVG. MINIMUM 32.8 37.4 -4.6 MM  
MEAN 44.5 49.7 -5.2 MM  
DAYS MAX >= 90 0 0.2 -0.2 MM  
DAYS MAX <= 32 3 0.2 2.8 MM  
DAYS MIN <= 32 13 8.6 4.4 MM  
DAYS MIN <= 0 0 0.0 0.0 MM  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM MM MM  
MINIMUM MM MM  
TOTALS 0.60 1.62 -1.02 MM  
DAILY AVG. 0.02 0.05 -0.03 MM  
DAYS >= .01 5 MM MM MM  
DAYS >= .10 3 MM MM MM  
DAYS >= .50 0 MM MM MM  
DAYS >= 1.00 0 MM MM MM  
GREATEST  
24 HR. TOTAL 0.34 10/24 TO 10/25  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL MM MM  
TOTALS 4.5 MM MM MM  
SINCE 7/1 4.5 MM MM MM  
SNOWDEPTH AVG. 0 MM  
DAYS >= 1.0 2 MM MM MM  
GREATEST  
SNOW DEPTH 4 10/26 MM  
10/27  
24 HR TOTAL 4.5 10/24 TO 10/25  
 
DEGREE DAYS  
HEATING TOTAL 638 483 155 MM  
SINCE 7/1 766 641 125 MM  
COOLING TOTAL 10 7 3 MM  
SINCE 1/1 1077 824 253 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 10.9  
HIGHEST WIND SPEED/DIRECTION 37/320 DATE 10/11  
37/310 10/31  
HIGHEST GUST SPEED/DIRECTION 51/320 DATE 10/31  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.31  
NUMBER OF DAYS FAIR 19  
NUMBER OF DAYS PC 7  
NUMBER OF DAYS CLOUDY 5  
 
AVERAGE RH (PERCENT) 62  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 0 MIXED PRECIP 0  
HEAVY RAIN 0 RAIN 1  
LIGHT RAIN 9 FREEZING RAIN 0  
LT FREEZING RAIN 1 HAIL 0  
HEAVY SNOW 0 SNOW 1  
LIGHT SNOW 6 SLEET 0  
FOG 8 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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