210  
CXUS53 KFSD 011509  
CLMSUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1009 AM CDT THU JUL 01 2021  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR THE MONTH OF JUNE 2021
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1889 TO 2021  
 
WEATHER OBSERVED NORMAL DEPART LAST YEAR'S  
VALUE DATE(S) VALUE FROM VALUE DATE(S)  
NORMAL    
............................................................
 
 
TEMPERATURE (F)  
RECORD  
HIGH 108 06/21/1988  
LOW 38 06/04/1945  
HIGHEST 97 06/17 MM MM 99 06/02  
LOWEST 46 06/01 MM MM 50 06/11  
06/24  
AVG. MAXIMUM 87.4 81.9 5.5 88.2  
AVG. MINIMUM 60.3 59.4 0.9 63.6  
MEAN 73.8 70.7 3.2 75.9  
DAYS MAX >= 90 12 6.1 5.9 16  
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 16.65 2014  
MINIMUM 0.53 1988  
TOTALS 1.31 4.35 -3.04 1.56  
DAILY AVG. 0.04 0.15 -0.11 0.05  
DAYS >= .01 6 11.7 -5.7 7  
DAYS >= .10 4 7.4 -3.4 3  
DAYS >= .50 1 3.1 -2.1 1  
DAYS >= 1.00 0 1.3 -1.3 1  
GREATEST  
24 HR. TOTAL 0.53 06/11 TO 06/11  
 
DEGREE DAYS  
HEATING TOTAL 2 26 -24 0  
SINCE 7/1 6674 6857 -183 MM  
COOLING TOTAL 274 195 79 335  
SINCE 1/1 347 260 87 MM    
............................................................
 
 
WIND (MPH)  
AVERAGE WIND SPEED 8.2  
HIGHEST WIND SPEED/DIRECTION 35/320 DATE 06/11  
35/330 06/20  
35/230 06/24  
HIGHEST GUST SPEED/DIRECTION 50/310 DATE 06/20  
 
SKY COVER  
POSSIBLE SUNSHINE (PERCENT) MM  
AVERAGE SKY COVER 0.12  
NUMBER OF DAYS FAIR 27  
NUMBER OF DAYS PC 3  
NUMBER OF DAYS CLOUDY 0  
 
AVERAGE RH (PERCENT) 61  
 
WEATHER CONDITIONS. NUMBER OF DAYS WITH  
THUNDERSTORM 7 MIXED PRECIP 0  
HEAVY RAIN 1 RAIN 3  
LIGHT RAIN 10 FREEZING RAIN 0  
LT FREEZING RAIN 0 HAIL 0  
HEAVY SNOW 0 SNOW 0  
LIGHT SNOW 0 SLEET 0  
FOG 10 FOG W/VIS <= 1/4 MILE 1  
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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