797  
CDUS43 KFSD 212225  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
524 PM CDT THU SEP 21 2017  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR SEPTEMBER 21 2017
 
 
VALID TODAY AS OF 0500 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1889 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 89 359 PM 96 2005 74 15 93  
MINIMUM 49 302 AM 29 1999 48 1 72  
AVERAGE 69 61 8 83  
 
PRECIPITATION (IN)  
TODAY 0.00 2.01 2006 0.10 -0.10 0.00  
MONTH TO DATE 0.51 2.11 -1.60 1.30  
SINCE SEP 1 0.51 2.11 -1.60 1.30  
SINCE JAN 1 20.70 22.65 -1.95 25.65  
 
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 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  
TODAY 0 6 -6 0  
MONTH TO DATE 33 67 -34 13  
SINCE SEP 1 33 67 -34 13  
SINCE JUL 1 41 82 -41 13  
 
COOLING  
TODAY 4 2 2 18  
MONTH TO DATE 83 72 11 105  
SINCE SEP 1 83 72 11 105  
SINCE JAN 1 915 849 66 1127    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 26 HIGHEST WIND DIRECTION S (170)  
HIGHEST GUST SPEED 34 HIGHEST GUST DIRECTION S (170)  
AVERAGE WIND SPEED 10.6  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.2  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 1200 AM  
LOWEST 56 300 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 95 1936  
MINIMUM TEMPERATURE (F) 48 25 1995  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 712 AM CDT SUNSET 724 PM CDT  
SEPTEMBER 22 2017.....SUNRISE 713 AM CDT SUNSET 722 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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