condition mean min max 0 h after light 0.327867 0.0 0.655734 4 h after light 5.7387 5.66911 5.80829 8 h after light 5.708545 2.99839 8.4187 4 h after dark 5.80231 3.21433 8.39029 8 h after dark 5.510895 3.54566 7.47613 12 h after dark 0.9627315 0.326843 1.59862