053  
CDUS43 KFSD 210648  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1243 AM CST FRI DEC 21 2018  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 20 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 38 411 PM 56 1900 31 7 43  
1894  
MINIMUM 25 1139 PM -17 1961 12 13 17  
AVERAGE 32 21 11 30  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.62 1920 0.03 -0.03 0.00  
MONTH TO DATE 0.60 0.56 0.04 0.02  
SINCE DEC 1 0.60 0.56 0.04 0.02  
SINCE JAN 1 36.48 27.50 8.98 29.30  
 
SNOWFALL (IN)  
YESTERDAY 0.0 5.5 1897 0.2 -0.2 0.0  
MONTH TO DATE 3.3 5.2 -1.9 0.2  
SINCE DEC 1 3.3 5.2 -1.9 0.2  
SINCE JUL 1 4.0 10.6 -6.6 0.2  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 33 44 -11 35  
MONTH TO DATE 772 826 -54 654  
SINCE DEC 1 772 826 -54 654  
SINCE JUL 1 2469 2302 167 1973  
 
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 31 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 40 HIGHEST GUST DIRECTION NW (320)  
AVERAGE WIND SPEED 18.1  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 92 1100 PM  
LOWEST 70 200 PM  
AVERAGE 81  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 1941  
1933  
MINIMUM TEMPERATURE (F) 12 -22 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 21 2018......SUNRISE 752 AM CST SUNSET 456 PM CST  
DECEMBER 22 2018......SUNRISE 752 AM CST SUNSET 456 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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