> 150% of median
130% - 150% of median
110% - 130% of median
90% - 110% of median
70% - 90% of median
50% - 70% of median
< 50% of median
No median
No Forecast

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Official coordinated NOAA/NRCS forecasts are plotted on the map. Forecasts are issued on the date selected above. The forecast valid period varies depending on the typical timing of runoff.