condition mean min max 4 h after light 10.5932785 10.062885 11.123672 8 h after light 12.0401785 11.927938 12.152419 12 h after light 11.474495000000001 11.404202 11.544788 4 h after dark 11.7949095 11.107924 12.481895 8 h after dark 10.034 9.827818 10.240182 12 h after dark 9.758935 9.758935 9.758935