657  
CDUS43 KFSD 172236  
CLIHON  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
436 PM CST THU DEC 17 2020  
   
...............................
 
 
   
..THE HURON CLIMATE SUMMARY FOR DECEMBER 17 2020
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
CLIMATE NORMAL PERIOD: 1981 TO 2010  
CLIMATE RECORD PERIOD: 1881 TO 2020  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
TODAY  
MAXIMUM 38 3:18 PM 55 1962 28 10 30  
MINIMUM 11 7:19 AM -28 2016 9 2 11  
AVERAGE 25 18 7 21  
 
PRECIPITATION (IN)  
TODAY 0.00 0.57 1908 0.02 -0.02 0.00  
MONTH TO DATE 0.03 0.29 -0.26 0.07  
SINCE DEC 1 0.03 0.29 -0.26 0.07  
SINCE JAN 1 17.72 22.67 -4.95 36.36  
 
SNOWFALL (IN)  
TODAY 0.0 8.6 1908 0.3 -0.3 0.0  
MONTH TO DATE 0.4 4.4 -4.0 1.0  
SINCE DEC 1 0.4 4.4 -4.0 1.0  
SINCE JUL 1 7.7 12.7 -5.0 15.7  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 40 47 -7 44  
MONTH TO DATE 603 750 -147 774  
SINCE DEC 1 603 750 -147 774  
SINCE JUL 1 2254 2452 -198 2528  
 
COOLING  
TODAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 879 742 137 714    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 13 HIGHEST WIND DIRECTION SE (140)  
HIGHEST GUST SPEED 18 HIGHEST GUST DIRECTION SE (150)  
AVERAGE WIND SPEED 4.5  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
FOG  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 96 5:00 AM  
LOWEST 62 2:00 PM  
AVERAGE 79  
   
......................................................
 
 
THE HURON CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 28 60 2011  
MINIMUM TEMPERATURE (F) 9 -31 2016  
 
SUNRISE AND SUNSET  
DECEMBER 17 2020......SUNRISE 8:04 AM CST SUNSET 4:55 PM CST  
DECEMBER 18 2020......SUNRISE 8:04 AM CST SUNSET 4:55 PM CST  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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