condition mean min max 0 h after light 0.329347 0.188438 0.470256 4 h after light 0.5193165 0.463646 0.574987 8 h after light 1.60066 1.34034 1.86098 4 h after dark 0.8433805 0.556411 1.13035 8 h after dark 1.163325 1.01892 1.30773 12 h after dark 0.41652350000000005 0.281774 0.551273