466 SXUS99 KFSD 211024 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 525 AM CDT SAT AUG 21 2004 ...MORE RECORD LOWS IN THE TRI STATE AREA... SIOUX FALLS SET ANOTHER RECORD LOW AT 409 AM CDT THIS MORNING... WHEN THE TEMPERATURE DROPPED TO 40 DEGREES. THIS HANDILY BREAKS THE OLD RECORD FOR TODAY OF 44 IN 1986. SPENCER IOWA ALSO SET A NEW RECORD OF 39 DEGREES THIS MORNING... BREAKING THE OLD RECORD OF 40 IN 1925. THE TEMPERATURE MAY STILL DROP SOME MORE AT SPENCER IN THE NEXT HOUR. AND BROOKINGS SOUTH DAKOTA DROPPED TO 37 DEGREES...BEATING THE OLD RECORD OF 39 IN 1956. $$