163  
CDUS43 KFSD 212226  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
526 PM CDT WED MAY 21 2025  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR MAY 21 2025
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 59 3:03 PM 94 1973 74 -15 69  
MINIMUM 43 4:22 AM 31 1895 51 -8 51  
AVERAGE 51 63 -12 60  
 
PRECIPITATION (IN)  
TODAY T 1.75 1945 0.13 -0.13 0.51  
MONTH TO DATE 1.53 2.53 -1.00 4.42  
SINCE MAR 1 6.20 7.44 -1.24 11.53  
SINCE JAN 1 6.76 8.99 -2.23 13.69  
 
SNOWFALL (IN)  
TODAY 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  
TODAY 14 5 9 5  
MONTH TO DATE 110 163 -53 108  
SINCE MAR 1 1242 1530 -288 1281  
SINCE JUL 1 6034 6801 -767 5737  
 
COOLING  
TODAY 0 2 -2 0  
MONTH TO DATE 33 28 5 10  
SINCE MAR 1 43 36 7 10  
SINCE JAN 1 43 36 7 10    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 22 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 28 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 15.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.8  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT RAIN  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 2:00 AM  
LOWEST 57 4:00 PM  
AVERAGE 73  
   
......................................................
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 75 92 1925  
2000  
2010  
MINIMUM TEMPERATURE (F) 51 30 2022  
 
SUNRISE AND SUNSET  
MAY 21 2025...........SUNRISE 5:58 AM CDT SUNSET 8:47 PM CDT  
MAY 22 2025...........SUNRISE 5:57 AM CDT SUNSET 8:48 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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