458  
CDUS43 KFSD 180624  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
124 AM CDT SUN MAY 18 2025  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR MAY 17 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 64 5:32 PM 97 1996 73 -9 86  
MINIMUM 44 11:40 PM 30 2014 49 -5 56  
AVERAGE 54 61 -7 71  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 3.38 1892 0.12 -0.12 0.00  
MONTH TO DATE 0.13 2.01 -1.88 3.72  
SINCE MAR 1 4.80 6.92 -2.12 10.83  
SINCE JAN 1 5.36 8.47 -3.11 12.99  
 
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 MAR 1 8.0 8.0 0.0 1.0  
SINCE JUL 1 18.6 36.0 -17.4 35.1  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 6 5 0  
MONTH TO DATE 67 142 -75 97  
SINCE MAR 1 1199 1509 -310 1270  
SINCE JUL 1 5991 6780 -789 5726  
 
COOLING  
YESTERDAY 0 2 -2 6  
MONTH TO DATE 33 20 13 6  
SINCE MAR 1 43 28 15 6  
SINCE JAN 1 43 28 15 6    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 30 HIGHEST WIND DIRECTION NW (310)  
HIGHEST GUST SPEED 43 HIGHEST GUST DIRECTION NW (310)  
AVERAGE WIND SPEED 15.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 79 4:00 AM  
LOWEST 41 4:00 PM  
AVERAGE 60  
   
......................................................
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 73 99 1934  
MINIMUM TEMPERATURE (F) 50 33 1915  
 
SUNRISE AND SUNSET  
MAY 18 2025...........SUNRISE 6:01 AM CDT SUNSET 8:44 PM CDT  
MAY 19 2025...........SUNRISE 6:00 AM CDT SUNSET 8:45 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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