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 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.03665755 0.0 0.0733151 4 h after dark 0.0 0.0 0.0 8 h after dark 0.01841785 0.0 0.0368357 12 h after dark 0.0 0.0 0.0