condition mean min max 4 h after light 1.3115085 0.957527 1.66549 8 h after light 0.893077 0.843045 0.943109 12 h after light 0.3875071 0.0873102 0.687704 4 h after dark 0.873416 0.698786 0.97073 8 h after dark 1.2744033333333333 1.15156 1.35545 12 h after dark 0.949874 0.846251 1.1486