condition mean min max 3 h after light 0.02481773333333333 0.0 0.0744532 6 h after light 0.0348688 0.0 0.0554941 9 h after light 0.03976996666666666 0.0 0.073151 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0