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 0.031093 0.0 0.093279 12 h after light 0.02678875 0.0 0.107155 3 h after dark 0.049573 0.0 0.148719 6 h after dark 0.0 0.0 0.0 9 h after dark 0.028951233333333336 0.0 0.0868537 12 h after dark 0.0455821 0.0 0.0911642