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Ocoee No. 1 Operating Guide

Chart

2014 Observed Midnight Elevations
2013 Observed Midnight Elevations
Guide Curve

Observed midnight elevation

Observed midnight elevations are shown for two years: last year and the current year to date. These are the actual elevations of the reservoir immediately upstream of the dam, measured at midnight of each day. The previous night’s elevation is added to the graph by 6 a.m. the next morning.

Guide curve

The line depicts the elevation immediately upstream of the dam which TVA targets throughout the year.

Caution

If you compare the operating guides for different reservoirs, please note that the scale for the vertical “Elevation” axis varies. To keep the size of the charts consistent, a larger scale is used for reservoirs that fluctuate significantly; a smaller scale is used for reservoirs that typically fluctuate only a few feet.

 

 

           
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