condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 9 h after light 0.0 0.0 0.0 12 h after light 0.08264200000000001 0.0 0.247926 3 h after dark 0.116842 0.0 0.350526 6 h after dark 0.18724100000000002 0.0 0.293078 9 h after dark 0.0 0.0 0.0 12 h after dark 0.102504 0.0 0.307512