Show Why Niagara's Flow Varies Varie The now low of water at nt Niagara varies with Ith the tile h height ef of Lake a which In III turn U is d by hy ruIn rain on the territory drained direction of wind l and diversions dl from Lake Inke Michigan at al the Chicago drainage canal diversions dl through the canal and the New ew York barge canal The average Mow flow ls is pla-ed pla at ruble cubic feet per 8 second The Tire total dh diversions average average aver rr age ne cubic feet or considerably more than third one the average flow now |