521  
CXUS53 KFSD 011701  
CLMMHE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1200 PM CDT TUE OCT 01 2024  
   
...............................
 
 
   
..THE MITCHELL SD CLIMATE SUMMARY FOR THE MONTH OF SEPTEMBER 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2024  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 106 09/05/1933  
LOW 11 09/29/1899  
HIGHEST 92 09/15 MM MM 104 09/02  
09/29  
LOWEST 40 09/23 MM MM 41 09/17  
AVG. MAXIMUM 84.6 76.8 7.8 82.1  
AVG. MINIMUM 53.8 51.0 2.8 53.8  
MEAN 69.2 63.9 5.3 67.9  
DAYS MAX >= 90 9 3.4 5.6 5  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.5 -0.5 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 7.63 2019  
MINIMUM 0.02 2022  
TOTALS 0.23 2.34 -2.11 1.14  
DAILY AVG. 0.01 0.08 -0.07 0.04  
DAYS >= .01 4 7.2 -3.2 9  
DAYS >= .10 1 4.0 -3.0 4  
DAYS >= .50 0 1.4 -1.4 0  
DAYS >= 1.00 0 0.5 -0.5 0  
GREATEST  
24 HR. TOTAL 0.13 09/16 TO 09/16  
 
SNOWFALL (INCHES)  
RECORDS  
TOTAL T 2023  
TOTALS 0.0 MM MM T  
SINCE 7/1 0.0 MM MM T  
SNOWDEPTH AVG. 0 0  
DAYS >= 1.0 0 MM MM 0  
GREATEST  
SNOW DEPTH 0 0  
24 HR TOTAL 0.0  
 
DEGREE DAYS  
HEATING TOTAL 33 123 -90 35  
SINCE 7/1 41 138 -97 41  
COOLING TOTAL 168 90 78 132  
SINCE 1/1 866 871 -5 1076    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 9.9  
HIGHEST WIND SPEED/DIRECTION 35/170 DATE 09/12  
35/320 09/30  
HIGHEST GUST SPEED/DIRECTION 48/330 DATE 09/30  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.05  
NUMBER OF DAYS FAIR 29  
NUMBER OF DAYS PC 1  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 3 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 1  
LIGHT RAIN 7 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 5 FOG W/VIS <= 1/4 MILE 0  
HAZE 1  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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