531  
CDUS43 KFSD 210653  
CLIMHE  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
150 AM CDT THU SEP 21 2017  
 
   
...............................
 
 
   
..THE MITCHELL SD CLIMATE SUMMARY FOR SEPTEMBER 20 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1893 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 76 401 PM 98 1984 74 2 89  
MINIMUM 52 657 AM 22 1896 47 5 58  
AVERAGE 64 61 3 74  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 1.27 1964 0.08 -0.08 0.00  
MONTH TO DATE 0.90 1.57 -0.67 2.12  
SINCE SEP 1 0.90 1.57 -0.67 2.12  
SINCE JAN 1 14.72 17.92 -3.20 21.53  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM MM MM 0.0  
MONTH TO DATE 0.0 MM MM 0.0  
SINCE SEP 1 0.0 MM MM 0.0  
SINCE JUL 1 0.0 MM MM 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 1 6 -5 0  
MONTH TO DATE 38 65 -27 35  
SINCE SEP 1 38 65 -27 35  
SINCE JUL 1 40 82 -42 43  
 
COOLING  
YESTERDAY 0 1 -1 9  
MONTH TO DATE 96 63 33 70  
SINCE SEP 1 96 63 33 70  
SINCE JAN 1 866 808 58 1002    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 17 HIGHEST WIND DIRECTION W (280)  
HIGHEST GUST SPEED 21 HIGHEST GUST DIRECTION W (270)  
AVERAGE WIND SPEED 9.0  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 89 500 AM  
LOWEST 27 200 PM  
AVERAGE 58  
   
......................................................
 
 
 
THE MITCHELL SD CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 74 97 1937  
1936  
1922  
MINIMUM TEMPERATURE (F) 47 25 1918  
 
 
SUNRISE AND SUNSET  
SEPTEMBER 21 2017.....SUNRISE 719 AM CDT SUNSET 731 PM CDT  
SEPTEMBER 22 2017.....SUNRISE 720 AM CDT SUNSET 729 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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