11 Billion Gallons of Water Added to Lake Tahoe During Weekend’s Atmospheric River Storm

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11 Billion Gallons of Water Added to Lake Tahoe During Weekend’s Atmospheric River Storm

“The very wet atmospheric river storms we received over the weekend provided much needed heavy rainfall to the region. Yesterday we published the storm total rainfall amounts around the region, but how much did Lake Tahoe rise as a result of all that rain?

Overall, the rain resulted in about a 3⅓ inch rise in the lake level with the vast majority coming from direct rainfall on the lake versus runoff input to the lake. However, we still remain a little over 2.5 inches below the natural rim level of 6,223 feet.

In terms of volume, that rainfall translates to an increase of about 33,600 acre-feet, or an increase of about 11 billion gallons!

For reference, that’s roughly equivalent to the average total consumptive water use in a year from the Truckee River by the Truckee Meadows Water Authority. The average metered household in the Truckee Meadows uses about 121,000 gallons a year.” – NOAA Reno, NV today

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