Iowa State Average Precipitation

• The fall of 1992 was unsually wet with record rains in southern Iowa in September.

• Widespread heavy precipitation later in the fall of 1992 brought the fifth wettest November on record.

• The heavy rains in early March 1993 combined with the snowmelt runoff, rained river levels and contributed to ice jam flooding in southern Iowa

• An average of 8.09" of rain had fallen over Iowa in June, 1993, the third highest total in 121 years!

• A total of 47.5" of rain fell across Iowa from November 1, 1992 through August 1993. This total is 20.74" more than average and an incredible 11.92" more than the previous record.

• There were only 13 days without measureable rainfall somewhere in Iowa between April 23 and September 1, 1993.

• In fact, the entire Upper Mississippi River Basin received record precipitation in 1993.