condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.02227735 0.0 0.0445547 12 h after light 0.0 0.0 0.0 2 h after dark 0.02423725 0.0 0.0484745 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0231138 0.0 0.0462276