460  
CDUS43 KFSD 170642  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
142 AM CDT SUN AUG 17 2025  
   
...............................  
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR AUGUST 16 2025  
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1889 TO 2025  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................  
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 93 5:02 PM 106 1937 83 10 83  
MINIMUM 75 6:58 AM 48 1897 61 14 59  
2012  
AVERAGE 84 72 12 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.40 1912 0.14 -0.14 0.00  
MONTH TO DATE 2.00 1.96 0.04 1.81  
SINCE JUN 1 13.26 9.66 3.60 12.55  
SINCE JAN 1 20.40 19.99 0.41 27.57  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 5  
SINCE JUN 1 18 30 -12 6  
SINCE JUL 1 0 4 -4 5  
 
COOLING  
YESTERDAY 19 7 12 6  
MONTH TO DATE 136 130 6 101  
SINCE JUN 1 727 614 113 593  
SINCE JAN 1 772 679 93 615    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 16 HIGHEST WIND DIRECTION S (180)  
HIGHEST GUST SPEED 22 HIGHEST GUST DIRECTION SE (140)  
AVERAGE WIND SPEED 9.1  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 94 4:00 AM  
LOWEST 60 3:00 PM  
AVERAGE 77  
   
......................................................  
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 104 1936  
MINIMUM TEMPERATURE (F) 61 43 2012  
 
SUNRISE AND SUNSET  
AUGUST 17 2025........SUNRISE 6:35 AM CDT SUNSET 8:23 PM CDT  
AUGUST 18 2025........SUNRISE 6:36 AM CDT SUNSET 8:22 PM CDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 
 
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