447  
CXUS53 KFSD 011609  
CLMFSD  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1108 AM CDT SUN AUG 01 2021  
   
...............................
 
 
   
..THE SIOUX FALLS CLIMATE SUMMARY FOR THE MONTH OF JULY 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1893 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 110 07/17/1936  
LOW 34 07/09/1895  
HIGHEST 101 07/28 MM MM 94 07/18  
LOWEST 56 07/12 MM MM 54 07/15  
AVG. MAXIMUM 86.8 85.3 1.5 87.4  
AVG. MINIMUM 64.4 63.4 1.0 65.5  
MEAN 75.6 74.4 1.2 76.5  
DAYS MAX >= 90 12 6.5 5.5 8  
DAYS MAX <= 32 0 0.0 0.0 0  
DAYS MIN <= 32 0 0.0 0.0 0  
DAYS MIN <= 0 0 0.0 0.0 0  
 
PRECIPITATION (INCHES)  
RECORD  
MAXIMUM 9.11 1900  
MINIMUM 0.24 2012  
TOTALS 4.90 3.25 1.65 2.21  
DAILY AVG. 0.16 0.10 0.06 0.07  
DAYS >= .01 10 9.0 1.0 8  
DAYS >= .10 7 5.3 1.7 4  
DAYS >= .50 3 2.2 0.8 2  
DAYS >= 1.00 3 0.7 2.3 0  
GREATEST  
24 HR. TOTAL 1.64 07/30 TO 07/30  
 
DEGREE DAYS  
HEATING TOTAL 0 5 -5 0  
SINCE 7/1 0 0 0 MM  
COOLING TOTAL 336 294 42 364  
SINCE 1/1 718 523 195 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 7.9  
HIGHEST WIND SPEED/DIRECTION 33/220 DATE 07/05  
HIGHEST GUST SPEED/DIRECTION 60/290 DATE 07/05  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.42  
NUMBER OF DAYS FAIR 17  
NUMBER OF DAYS PC 9  
NUMBER OF DAYS CLOUDY 5  
 
AVERAGE RH (PERCENT) 66  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 6 MIXED PRECIP 0  
HEAVY RAIN 6 RAIN 6  
LIGHT RAIN 12 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 13 FOG W/VIS <= 1/4 MILE 1  
HAZE 4  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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