134  
CDUS43 KFSD 202239  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
437 PM CST THU DEC 20 2018  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 20 2018
 
 
VALID TODAY AS OF 0400 PM LOCAL TIME.  
 
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)  
TODAY  
MAXIMUM 38 359 PM 56 1900 31 7 43  
1894  
MINIMUM 32 1123 AM -17 1961 12 20 17  
AVERAGE 35 21 14 30  
 
PRECIPITATION (IN)  
TODAY 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)  
TODAY 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  
TODAY 30 44 -14 35  
MONTH TO DATE 769 826 -57 654  
SINCE DEC 1 769 826 -57 654  
SINCE JUL 1 2466 2302 164 1973  
 
COOLING  
TODAY 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 21.3  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.6  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 82 100 AM  
LOWEST 70 200 PM  
AVERAGE 76  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 31 60 1941  
1933  
MINIMUM TEMPERATURE (F) 12 -22 1989  
 
 
SUNRISE AND SUNSET  
DECEMBER 20 2018......SUNRISE 751 AM CST SUNSET 455 PM CST  
DECEMBER 21 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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