512  
CDUS43 KFSD 170627  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1226 AM CST MON DEC 17 2018  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 16 2018
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1889 TO 2018  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 43 249 PM 64 1962 31 12 49  
1939  
MINIMUM 25 1158 PM -15 1989 13 12 21  
AVERAGE 34 22 12 35  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.55 1977 0.02 -0.02 0.00  
MONTH TO DATE 0.60 0.46 0.14 0.02  
SINCE DEC 1 0.60 0.46 0.14 0.02  
SINCE JAN 1 36.48 27.40 9.08 29.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.3 2008 0.3 -0.3 0.0  
MONTH TO DATE 3.3 4.2 -0.9 0.2  
SINCE DEC 1 3.3 4.2 -0.9 0.2  
SINCE JUL 1 4.0 9.6 -5.6 0.2  
SNOW DEPTH T  
 
DEGREE DAYS  
HEATING  
YESTERDAY 31 43 -12 30  
MONTH TO DATE 647 652 -5 519  
SINCE DEC 1 647 652 -5 519  
SINCE JUL 1 2344 2128 216 1838  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 1045 869 176 951    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 15 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 19 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 5.2  
 
 
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 92 200 AM  
LOWEST 57 100 PM  
AVERAGE 75  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 61 1980  
1939  
MINIMUM TEMPERATURE (F) 12 -14 2008  
 
 
SUNRISE AND SUNSET  
DECEMBER 17 2018......SUNRISE 749 AM CST SUNSET 454 PM CST  
DECEMBER 18 2018......SUNRISE 750 AM CST SUNSET 455 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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