175 SXUS99 KFSD 050139 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 839 PM CDT SUN MAY 04 2003 ...RECORD DAILY MAXIMUM RAINFALL SET AT SIOUX CITY IOWA... RAINFALL THROUGH 830 PM CDT AT THE SIOUX CITY GATEWAY AIRPORT WAS 1.78 INCHES. THIS SURPASSES THE RECORD FOR THE DATE OF 1.57 INCHES SET IN 1938. THIS IS THE SECOND DAILY RECORD RAINFALL IN THE CITY IN THE PAST WEEK. LAST WEDNESDAY...APRIL 30TH...RAINFALL TOTALED 1.23 INCHES ...GOOD ENOUGH TO SURPASS THE RECORD OF 1.18 INCHES IN 1906. $$