Low runoff cuts hydropower, revenue forecasts

The reduced estimates result from a persistent El Niño weather pattern that has brought unusually dry conditions to the Northwest. The February forecast from the National Weather Service’s Northwest River Forecast Center called for 79.2 million acre-feet of runoff from January through July as traditionally measured at The Dalles, Ore. That represents 74 percent of the 30-year average of 107.3 MAF and would be the lowest runoff since 2001. 

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