026 SXUS73 KFSD 271744 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1244 PM CDT WED JUL 27 2011 ...RECORD DAILY RAINFALL AT SIOUX FALLS SD... RAINFALL AT JOE FOSS FIELD IN SIOUX FALLS TOTALED 2.50 INCHES WHICH BREAKS THE DAILY RECORD OF 2.34 INCHES SET ONE HUNDRED YEARS AGO IN 1911. ALL OF THE RAIN FELL IN A 90 MINUTE PERIOD...FROM 310 TO 440 AM CDT. THE RAIN BEGAN AT 310 AM CDT AND ENDED AT 440 AM CDT. HEAVIER RAINFALL OF 3.5 TO 5.75 INCHES FELL IN THE CITY OF SIOUX FALLS. $$ SHEEHAN