694  
CDUS43 KFSD 312223  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
422 PM CST MON DEC 31 2018  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR DECEMBER 31 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 30 1102 AM 60 1904 30 0 -5  
MINIMUM 17 359 PM -24 2017 10 7 -24  
AVERAGE 24 20 4 -14  
 
PRECIPITATION (IN)  
TODAY T 1.10 1931 0.02 -0.02 T  
MONTH TO DATE 1.88 0.80 1.08 0.39  
SINCE DEC 1 1.88 0.80 1.08 0.39  
SINCE JAN 1 37.76 27.74 10.02 29.67  
 
SNOWFALL (IN)  
TODAY T 5.0 1916 0.2 -0.2 T  
MONTH TO DATE 4.0 7.8 -3.8 7.3  
SINCE DEC 1 4.0 7.8 -3.8 7.3  
SINCE JUL 1 4.7 13.2 -8.5 7.3  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
TODAY 41 45 -4 79  
MONTH TO DATE 1202 1317 -115 1278  
SINCE DEC 1 1202 1316 -114 1278  
SINCE JUL 1 2899 2792 107 2597  
 
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 33 HIGHEST WIND DIRECTION N (340)  
HIGHEST GUST SPEED 42 HIGHEST GUST DIRECTION N (350)  
AVERAGE WIND SPEED 13.2  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.5  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED TODAY.  
LIGHT SNOW  
FOG  
HAZE  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 400 AM  
LOWEST 80 400 PM  
AVERAGE 90  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TOMORROW  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 30 61 1939  
MINIMUM TEMPERATURE (F) 10 -25 2018  
 
 
SUNRISE AND SUNSET  
DECEMBER 31 2018......SUNRISE 755 AM CST SUNSET 503 PM CST  
JANUARY 1 2019.......SUNRISE 755 AM CST SUNSET 503 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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