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 0.014381433333333332 0.0 0.0431443 12 h after light 0.5249553333333333 0.183029 1.19589 3 h after dark 0.0176026 0.0 0.0528078 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.025868433333333333 0.0 0.0776053