Table 5. Discharge information (cfs) for the period of record at various locations within the Grand River Basin (USGS 1992, USGS 1993).
Location Max. Min. Mean 10% Exceeds 50% Exceeds 90% Exceeds
Grand River: Gallatin (1921 - 1992) 69,000 2.0 1168 2,330 205 25
Grand River: Sumner (1923 - 1992) 180,000 10.0 3896 9,810 925 121
Thompson River: Trenton (1928 - 1992) 95,000 1.0 969 2,230 200 27
Thompson River: Davis Coty, Ia (1941993) 57,0001 ---- 402 855 80 9
Elk Creek: Decatur, IA (1968-1993) 32,000 0.0 37 50 4 0

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