860  
CDUS43 KFSD 160643  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
143 AM CDT SAT AUG 16 2025  
   
...............................  
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR AUGUST 15 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 89 5:35 PM 105 1936 83 6 80  
1937  
MINIMUM 71 5:53 AM 45 1992 61 10 62  
AVERAGE 80 72 8 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.95 2022 0.14 -0.14 0.47  
MONTH TO DATE 2.00 1.82 0.18 1.81  
SINCE JUN 1 13.26 9.52 3.74 12.55  
SINCE JAN 1 20.40 19.85 0.55 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 15 7 8 6  
MONTH TO DATE 117 123 -6 95  
SINCE JUN 1 708 607 101 587  
SINCE JAN 1 753 672 81 609    
...............................................................  
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (160)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION S (160)  
AVERAGE WIND SPEED 9.2  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 4:00 AM  
LOWEST 70 2:00 PM  
AVERAGE 83  
   
......................................................  
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 106 1937  
MINIMUM TEMPERATURE (F) 61 48 1897  
2012  
 
SUNRISE AND SUNSET  
AUGUST 16 2025........SUNRISE 6:34 AM CDT SUNSET 8:25 PM CDT  
AUGUST 17 2025........SUNRISE 6:35 AM CDT SUNSET 8:23 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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