condition mean min max 0 h after light 0.5988605 0.449646 0.748075 4 h after light 0.899876 0.885073 0.914679 8 h after light 1.42438 1.29454 1.55422 4 h after dark 1.3610905 0.958891 1.76329 8 h after dark 1.1101100000000002 1.03147 1.18875 12 h after dark 0.5895195 0.448242 0.730797