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<br />I . " <br />OOlaM: <br /> <br />~ <br /> <br />6. FLOOD CHARAC'ffiRISTICS <br /> <br />Ma,10r floods on Korth Fork Gunnison Rivl'!r including thosl'! on Muddy Creek <br />abovl'! Paonia Resl'!rvoir, are primarily of thl'! sn~lt tYPl'! that occur during <br />the late part of April through early part of June as a rl'!sult of the melting <br />of the basin snovpack as the temperatures rise. Occasionally during the <br />sn~lt sl'!&son, rains may cause modl'!rate 'P"'ak flovs vhich are Sll'P"'r1mposed <br />on the sustained snClWlelt runoff. The known sn~lt floods on North Fork <br />Gunnison River at thl'! Somerset gage, Vith 'P"'ak flovs o~r 5,000 c.f.s. are <br />listl'!d in the following tabulation: <br /> <br />( Year Month <br /> 1920 May <br /> 1938 April <br /> 1941 t1sy <br />. 1944 l11y <br />1952 t1sy <br />1957 June <br /> *E at 1lIla ted <br /> <br />L:'.;. <br />-:"'f~. <br /> <br />:.._i.- <br /> <br />( <br /> <br />. <br /> <br />HISTORICAL FLOODS <br />Korth Fork Gunnison River near Somerset <br />: Peak 1-day lD-day <br />fiov flov vol= <br />: (cfs) (cfs) (ac-ft.) <br /> <br />30 -day <br />volume <br />(ac-ft. ) <br /> <br />11,000* <br />5,300 4,300 70,500 188,800 <br />5,850 4,800 82,500 175,800 <br />_ 5,830 4,950 73,500 188, 300 <br />5,320 4,340 75,500 181,900 <br />7,860 6,380 108,900 245, 200 <br /> <br />9 <br />