Blog: Wet season’s end for water year 2026
California’s Water Year runs from October 1 of the previous calendar year through September 30. California’s “wet” season is traditionally October 1 – April 1. The rest of the year (and often parts of the “wet” season) is usually dry. We can get major storms into April, but often not. So nearly all this Water Year’s precipitation has fallen already. … For water stored instate for California, storage levels are about the same as last year and are pretty good. Because the last three years have not been dry, California retains an unusually large amount of water in its reservoirs. … California’s 2026 water year has had a good “wet” season overall. Neither floods nor droughts overall. Even in statistically average years, California water will usually be weird in places and at times. As we work to improve water management, we need to improve our data management, and water accounting.
