A series of storms pushed California’s biggest reservoir past its historical average for mid-March this weekend and put the second largest one on track for doing the same by Monday afternoon, officials said.

Together the Lake Shasta and Lake Oroville reservoirs have the capacity to hold more than 8 million acre feet of water and after a wet weekend in Northern California, they were 79% and 70% full, respectively, by Monday morning, according to the state Department of Water Resources.