condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 2.05075 1.00028 3.10122 8 h after light 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.4955535 0.0 0.991107