552 SXUS99 KDSM 251340 AAA RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 739 AM CST TUE FEB 25 2003 ...DES MOINES RECORD LOW FALLS... THE MERCURY DIPPED JUST A BIT FURTHER THIS MORNING SO A NEW RECORD LOW WAS ESTABLISHED AT THE DES MOINES AIRPORT. CITY NEW RECORD OLD RECORD DES MOINES -6 AT 718 AM -5 IN 1967 BARLOW/DMX