condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.02632415 0.0 0.0526483 8 h after light 0.10642335 0.0543567 0.15849 4 h after dark 0.052548 0.0524444 0.0526516 8 h after dark 0.05282735 0.0525911 0.0530636 12 h after dark 0.02608275 0.0 0.0521655