condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.367411 0.0 0.78986 12 h after light 0.4015883333333333 0.0 0.685631 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.21454700000000002 0.0 0.643641