With California’s two largest reservoirs hitting historically average levels following a weekend of heavy storms, the state’s chief water regulator is cautiously optimistic that the drought may finally be relaxing its grip. If the wet weather continues, she said, the urban conservation mandates that turned lawns brown and have Californians taking shorter showers may be eased in the weeks ahead.

“In May, we’ll be either lifting it or changing it significantly,” Felicia Marcus, chair of the State Water Resources Control Board, said Monday. “The more precipitation we get, the more snowpack we have, the better it is.”