620  
CDUS43 KFSD 170631  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
130 AM CDT TUE OCT 17 2017  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR OCTOBER 16 2017
 
 
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)  
YESTERDAY  
MAXIMUM 75 359 PM 88 1910 64 11 73  
MINIMUM 32 701 AM 22 1976 38 -6 44  
1943  
AVERAGE 54 51 3 59  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 2.32 1968 0.07 -0.07 0.00  
MONTH TO DATE 6.53 1.30 5.23 1.03  
SINCE SEP 1 8.71 4.26 4.45 3.81  
SINCE JAN 1 28.90 24.80 4.10 28.16  
 
SNOWFALL (IN)  
YESTERDAY 0.0 1.5 2002 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.2 -0.2 0.0  
SINCE SEP 1 0.0 0.2 -0.2 0.0  
SINCE JUL 1 0.0 0.2 -0.2 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 11 14 -3 6  
MONTH TO DATE 159 188 -29 146  
SINCE SEP 1 225 320 -95 196  
SINCE JUL 1 233 335 -102 196  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 8 -8 0  
SINCE SEP 1 119 92 27 143  
SINCE JAN 1 951 869 82 1165    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 21 HIGHEST WIND DIRECTION S (200)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION SW (210)  
AVERAGE WIND SPEED 7.7  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 500 AM  
LOWEST 25 200 PM  
AVERAGE 63  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 63 89 1961  
MINIMUM TEMPERATURE (F) 38 15 1976  
 
 
SUNRISE AND SUNSET  
OCTOBER 17 2017.......SUNRISE 741 AM CDT SUNSET 640 PM CDT  
OCTOBER 18 2017.......SUNRISE 742 AM CDT SUNSET 638 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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