condition mean min max 0 h after light 1.420505 1.13519 1.70582 4 h after light 1.64166 1.25914 2.02418 8 h after light 2.200345 1.73333 2.66736 4 h after dark 2.1645250000000003 2.09044 2.23861 8 h after dark 1.961835 1.26837 2.6553 12 h after dark 2.1024700000000003 2.07932 2.12562