389  
CDUS43 KFSD 200633  
CLISUX  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE SIOUX FALLS SD  
132 AM CDT SUN AUG 20 2017  
 
   
...............................
 
 
   
..THE SIOUX CITY IA CLIMATE SUMMARY FOR AUGUST 19 2017
 
 
CLIMATE NORMAL PERIOD 1981 TO 2010  
CLIMATE RECORD PERIOD 1889 TO 2017  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
..............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 83 448 PM 100 1938 83 0 82  
MINIMUM 54 601 AM 43 2012 61 -7 67  
2004  
AVERAGE 69 72 -3 75  
 
PRECIPITATION (IN)  
YESTERDAY T 0.90 1893 0.10 -0.10 0.00  
MONTH TO DATE 3.51 1.97 1.54 2.46  
SINCE JUN 1 6.07 9.30 -3.23 6.03  
SINCE JAN 1 15.54 19.28 -3.74 21.76  
 
SNOWFALL (IN)  
YESTERDAY 0.0 0.0 MM 0.0 0.0 0.0  
MONTH TO DATE 0.0 0.0 0.0 0.0  
SINCE JUN 1 0.0 0.0 0.0 0.0  
SINCE JUL 1 0.0 0.0 0.0 0.0  
SNOW DEPTH 0  
 
DEGREE DAYS  
HEATING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 8 0 8 0  
SINCE JUN 1 18 30 -12 0  
SINCE JUL 1 8 3 5 0  
 
COOLING  
YESTERDAY 4 7 -3 10  
MONTH TO DATE 87 157 -70 220  
SINCE JUN 1 743 638 105 902  
SINCE JAN 1 781 702 79 954    
..............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 25 HIGHEST WIND DIRECTION NE (50)  
HIGHEST GUST SPEED 32 HIGHEST GUST DIRECTION E (100)  
AVERAGE WIND SPEED 6.9  
 
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.1  
 
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
THUNDERSTORM  
LIGHT RAIN  
 
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 100 200 AM  
LOWEST 55 300 PM  
AVERAGE 78  
   
......................................................
 
 
 
THE SIOUX CITY IA CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 83 101 1947  
MINIMUM TEMPERATURE (F) 61 37 1950  
 
 
SUNRISE AND SUNSET  
AUGUST 20 2017........SUNRISE 638 AM CDT SUNSET 819 PM CDT  
AUGUST 21 2017........SUNRISE 639 AM CDT SUNSET 817 PM CDT  
 
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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