We just looked at the frequency of different water conditions over the last 15, 35 and 110 years. Over the longer period, wet, “normal” or average, and dry years have occurred in about equal shares, at about one-third each. But over the last 35 years dry conditions have occurred in about half of the years. Over the last 15 years, wet conditions have declined to less than 20% of the years.
We’re also working with Sustainable Conservation on a program that will incentivize growers to use diverted floodwaters to recharge groundwater aquifers below their fields.
California is likely to see more extreme floods and drought with climate change, but the state’s water infrastructure may not be ready.
Source: California’s Water System Built for a Climate We No Longer Have | KQED Science