967
SXUS73 KDMX 031310 CCA
RERDSM

RECORD EVENT REPORT...WORDING
NATIONAL WEATHER SERVICE DES MOINES IA
808 AM CDT TUE MAY 03 2005

...RECORD LOW TEMPERATURES SET THIS MORNING...

HIGH PRESSURE MOVING ACROSS THE PLAINS PROVIDED CLEAR SKIES...LIGHT
WINDS AND DRY AIR THROUGH CENTRAL IOWA DURING THE OVERNIGHT HOURS.
THESE CONDITIONS PROVIDED THE INGREDIENTS FOR COLD TEMPERATURE.  FOR
WATERLOO...THIS TIES THE LOWEST TEMPERATURE RECORDED FOR THE MONTH
OF MAY. THE TIED RECORD WAS ON THE 4TH SET IN 1907.  MASON CITY
BREAKS THE LOWEST TEMPERATURE EVER RECORDED FOR THE MONTH OF MAY.
THEIR PREVIOUS RECORD WAS 23 DEGREES SET ON THE 3RD 1945 AND THE 9TH
1967.  OTTUMWA ALSO BREAKS THEIR ALL TIME LOW FOR THE MONTH OF MAY.
THE PREVIOUS RECORD WAS ON THE 4TH SET IN 1907.

  CITY          NEW RECORD          PREVIOUS RECORD

MASON CITY          22               23 SET IN 1967
WATERLOO            22               25 SET IN 2004
OTTUMWA             24               29 SET IN 2004

$$