North Trinity Hiking Trail PDFs...
Last modified on: Monday, 09-Dec-2019 00:56:18 EST
Trinity Lake Report
12/9/19 - The lake is now below 2,336', down 34' from the spillway, 79% full,
but 121% of average for the date. We have not seen the lake this full in late November since 2011.
Due to a wet winter and spring, and a serendipitous failure of an output valve in the dam last spring,
the lake is in amazing shape as we head into winter! The percent of average number has been holding, now 121%,
because the lake is so unusually high for this late in the season.
The last time the lake was this
full on this date was in 2011, and the time before that was 1998. The lake peaked on June 4 at 2,367'.
However, the lake may be challenged to stay high again next summer due to the lack of precipitation this fall.
And the forecast so far is for a drier winter.
Here is a graph
of historic lake elevation (updated 10/15) showing spillway and Trinity Center ramp elevations.
(The gaps in the line on the graph are due to missing or bad data in the state's database.)
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