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 2.88661 0.0 5.77322 4 h after dark 2.694865 0.0 5.38973 8 h after dark 3.15369 0.0 6.30738 12 h after dark 0.0 0.0 0.0