42.7' - Water reaches the flood of record...Election Day Flood event...November 5, 1985.

39.9' - Water reaches the level of the ST. Patricks Day Flood and crest on March 18, 1936.

37' - 50 homes are flooded in Roscoe. Flooding also occurs in the towns of Elco, Allenport, and Stockdale.

36' - Several homes are flooded on Lynn Street in Roscoe.

35.9' - Water levels reach the flood levels of the flood of July 30, 2017.

35' - Backwater flooding in Monongahela along Pigeon Creek causes flood waters up to 4.5 feet in businesses in the lowest building in Penos Plaza and up to 6 feet in Armstrong Park. Backwater flooding spreads upstream along Pigeon Creek to the Route 43 overpass on Park Avenue.

34.1' - Division of American Chain and Cable Co. In Monessen floods.

33.15' - Water reaches the level reached on March 5, 2015.

33' - Flooding is widespread in Fayette City.

32' - Flooding occurs on Connellsville, Fourth, Cook, and Main Streets in Fayette City

31.6' - Lock walls overtopped.

30' - Backwater flooding along Pigeon Creek in Monongahela, begins to flood the lowest building in Penos Plaza, Armstrong Park, and closes Wall Street Bridge across Pigeon Creek.

29' - Navigation suspended, lock out of service.

28' - In Monongahela, backwater flooding along Pigeon Creek begins from the intersection of Park Way and Park Avenue.

26.3' - Water reaches the level reached during Hurricane Ivan September 18, 2004.

26' - Route 201 in closed due to flooding along Donner's Run.