534  
CDUS43 KFSD 180652  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
1251 AM CST SUN FEB 18 2018  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR FEBRUARY 17 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 36 117 PM 71 1981 35 1 66  
MINIMUM 18 1126 PM -19 1978 16 2 33  
AVERAGE 27 26 1 50  
 
PRECIPITATION (IN)  
YESTERDAY 0.08 0.68 1961 0.02 0.06 0.00  
MONTH TO DATE 0.67 0.35 0.32 0.17  
SINCE DEC 1 2.44 1.77 0.67 2.32  
SINCE JAN 1 2.05 0.97 1.08 0.84  
 
SNOWFALL (IN)  
YESTERDAY 1.0 5.0 1961 0.3 0.7 0.0  
MONTH TO DATE 8.1 4.1 4.0 2.9  
SINCE DEC 1 28.8 18.6 10.2 14.6  
SINCE JUL 1 28.8 24.0 4.8 15.6  
SNOW DEPTH 10  
 
DEGREE DAYS  
HEATING  
YESTERDAY 38 39 -1 15  
MONTH TO DATE 876 707 169 549  
SINCE DEC 1 3565 3407 158 3013  
SINCE JUL 1 4884 4883 1 3957  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE DEC 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NW (330)  
HIGHEST GUST SPEED 29 HIGHEST GUST DIRECTION NW (330)  
AVERAGE WIND SPEED 7.5  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.4  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
LIGHT SNOW  
FOG  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 800 AM  
LOWEST 58 100 AM  
AVERAGE 79  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 36 69 1930  
MINIMUM TEMPERATURE (F) 16 -18 1903  
 
 
SUNRISE AND SUNSET  
FEBRUARY 18 2018......SUNRISE 718 AM CST SUNSET 602 PM CST  
FEBRUARY 19 2018......SUNRISE 716 AM CST SUNSET 603 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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