What does California’s rainy season mean for water supply?

By JOHN ANTCZAK | Associated Press

LOS ANGELES — After a dry start to winter, California’s rainy season is finally well under way.

December downpours sent water racing through streets in coastal Ventura County and the city of Santa Barbara. Flash floods hit San Diego in late January, and back-to-back atmospheric river-fueled storms arrived earlier this month, causing wind damage in Northern California and hundreds of mudslides in Los Angeles. Yet another storm blew through over Presidents Day weekend.

The frequent deluges have fended off a return to the drought that’s plagued the state over the past decade. Some parts of California are so wet these days that even Death Valley National Park has a lake big enough for kayakers. Still, the state is not on pace for a repeat of last year’s epic rain. And the mountains haven’t seen nearly as much snow.

Here’s a look at California’s winter so far:

Downtown Los Angeles has received nearly 17.8 inches (45.2 centimeters) of rain, already more than an entire year’s worth of annual precipitation, which is measured from Oct. 1 to Sept. 30 of the following year. This is now the fourth-wettest February in downtown since since weather records began in 1877, according to the National Weather Service.

But while rainfall has reached historic levels in Southern California, it remains to be seen if the year will be regarded as very wet for the state overall.

Northern California is only just approaching its annual average, with about a month and a half to go for the wet season, which “makes it very hard to get ‘extremely wet,’” said Jay R. Lund, vice-director of the Center for Watershed Sciences at the University of California, Davis.

RELATED: Bay Area rainfall chart: Totals from the weekend’s storms

“We’re already wet enough that it’s not going to be a deep drought year, and the really wet years, they are already much wetter than this,” Lund said.

The vital Sierra Nevada snowpack, which normally supplies about 30% of California’s water when it melts, has rebounded somewhat from a slow start.

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