746  
CDUS43 KFSD 180640  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
140 AM CDT MON SEP 18 2023  
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR SEPTEMBER 17 2023
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1889 TO 2023  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 77 3:19 PM 103 1895 77 0 86  
MINIMUM 45 6:38 AM 33 1980 51 -6 62  
AVERAGE 61 64 -3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.82 1926 0.09 -0.09 0.09  
MONTH TO DATE 1.34 1.66 -0.32 0.73  
SINCE SEP 1 1.34 1.66 -0.32 0.73  
SINCE JAN 1 18.20 23.63 -5.43 12.27  
 
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 SEP 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 4 4 0 0  
MONTH TO DATE 14 43 -29 16  
SINCE SEP 1 14 43 -29 16  
SINCE JUL 1 22 58 -36 16  
 
COOLING  
YESTERDAY 0 3 -3 9  
MONTH TO DATE 91 65 26 100  
SINCE SEP 1 91 65 26 100  
SINCE JAN 1 1045 833 212 1110    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 9 HIGHEST WIND DIRECTION E (110)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION N (340)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
FOG  
FOG W/VISIBILITY <= 1/4 MILE  
HAZE  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 12:00 AM  
LOWEST 37 5:00 PM  
AVERAGE 69  
   
......................................................
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 76 101 1895  
MINIMUM TEMPERATURE (F) 50 30 1901  
 
SUNRISE AND SUNSET  
SEPTEMBER 18 2023.....SUNRISE 7:08 AM CDT SUNSET 7:30 PM CDT  
SEPTEMBER 19 2023.....SUNRISE 7:09 AM CDT SUNSET 7:28 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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