642 SXUS73 KFSD 132033 RERSUX RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 333 PM CDT THU APR 13 2006 ...FOURTH EARLIEST 90 DEGREE DAY IN SIOUX CITY IOWA... AT 333 PM CDT THE TEMPERATURE AT SIOUX GATEWAY AIRPORT IN SIOUX CITY IOWA ROSE TO 90 DEGREES. THIS BREAKS THE RECORD HIGH FOR THE DATE OF 87 DEGREES SET IN 2003. THIS IS ALSO THE FOURTH EARLIEST DATE THAT THE CITY HAS SEEN 90 DEGREES. THE EARLIEST DATE OF 90 DEGREE HEAT OCCURRED ON MARCH 30TH...1968 WHEN THE MERCURY TOPPED OUT AT 91 DEGREES. ON APRIL 4TH...1929 THE HIGH TEMPERATURE WAS 90 DEGREES AND MORE RECENTLY...APRIL 6TH...1991 THE HIGH TEMPERATURE HIT 91 DEGREES. $$ SHEEHAN