condition mean min max 4 h after light 3.610735 3.4948 3.72667 8 h after light 3.16951 3.04758 3.29144 12 h after light 2.948435 2.74063 3.15624 4 h after dark 3.9535233333333335 3.80566 4.0948 8 h after dark 4.501313333333333 4.12798 4.7189 12 h after dark 3.54366 3.2687 4.09175