榴莲视频

(W)ringing in the New 榴莲视频 Water Year

Water Year 2024 Was 'Unusually Normal'

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A view up a broad river with a small town on the right bank.
The city of Isleton on the Sacramento river is vulnerable to flooding, while surrounding agricultural land depends on irrigation water. The past water year in 榴莲视频 (October to September) was unusually normal, but this tells us nothing about the coming year, and long-term challenges in 榴莲视频's water system need to be addressed. (UC Davis photo)

Oct. 1 marks the start of a new water year in 榴莲视频, as we head into the cooler, rainier months. , Jay Lund and Alvar Escriva-Bou at the UC Davis Center for Watershed Sciences and Department of Civil and Environmental Engineering reflect on the year just ending and what might be ahead for WY2025. 

WY 2024 was unusually normal. That might seem like a contradictory statement, but 榴莲视频鈥檚 annual precipitation varies wildly from year to year, so most years are well above or below 鈥渁verage.鈥 But in WY2024, 榴莲视频 hit the long-term mean right on the nose. 

A graph with a single blue bar on the right hand side. Text on the slide reads: "Precipitation to date is 100 percent of historical average."

鈥淭he 2024 water year was blissfully normal. Not too wet. No major floods. Not a drought.  The year was unusually normal, for the last decade. Little to complain about, except that farmers and environmental interests would like average flows to be higher,鈥 they write.

This 鈥榓verage鈥 year left reservoir storage higher than average at the end of the season, they write. But problems with over-drawing groundwater remain. 

榴莲视频 needs to think long-term about its water needs in the face of an unpredictable, changing climate, and long-term economic trends in the state, Lund and Escriva-Bou write. The turn of the water year is a good time to reflect on those challenges. 

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