Protection

Annual Ave Flow, MGDBasin Yield Example:Index Gage Annual Streamflow(1960 to 2004)Example Annual Flow for Index Gage and 100 SqMi Area300Average Annual FlowAnd Median= 136 MGD1965 = 2 pct = 43 MGD1966 = 5 pct= 52 MGD1985 = 7 pct = 59 MGD1980 = 10 pct = 89 MGD250200150100Annual Flow , cfsm25th pctl10th pctlMedian25 th pct = 106 MGD500196019631966196919721975197819811984198719901993199619992002YearHydrologicFoundation(2 pct and 10 pct precip years correlate with2 pct and 10 pct streamflow years!)FOR DISCUSSION PURPOSES ONLY - NOT TO BE CITED10