179 SXUS99 KDSM 042236 RERDSM RECORD EVENT REPORT NATIONAL WEATHER SERVICE DES MOINES IA 534 PM CDT SUN MAY 04 2003 ...RECORD DAILY MAXIMUM RAINFALL SET AT DES MOINES... A RECORD RAINFALL OF 2.47 INCHES WAS SET AT DES MOINES TODAY. THIS BREAKS THE OLD RECORD FOR MAY 4TH OF 1.39 INCHES...SET BACK IN 1886. $$ MR