The date range for the Lake Chelan lake levels runs from October 1st to September 30th. You can toggle which data points you wish to use with the Data Point Filter check boxes below. You can also restrict the date range of the data using the Date Filters, found below the Data Point Filters.
Lake Chelan Lake Level Data
| Date & Time of Measurement |
Current Year Actual Elevation (ft) |
Previous Year Actual Elevation (ft) |
Current Forecasted Operating Range (ft) |
Current Forecasted Average Elevation (ft) (50% chance of occurring) |
October 1 Forecasted Operating Range (ft) |
October 1 Forecasted Average Elevation (ft) |
Target Curve During Dry and Average Water Years (ft) |
Target Curve During Wet Water Years (ft) |
Minimum Target Elevation |
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