condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 2.764885 1.98586 3.54391 4 h after light 1.76554 1.73384 1.79724 8 h after light 0.0 0.0 0.0 12 h after light 1.46089 0.0 2.92178 2 h after dark 1.9004500000000002 1.82102 1.97988 4 h after dark 0.0 0.0 0.0 8 h after dark 1.918595 0.0 3.83719 12 h after dark 0.944055 0.0 1.88811