condition mean min max 4 h after light 17.396833 2.982752 46.12621 8 h after light 2.506764 2.448147 2.6214180000000002 12 h after light 2.3665 1.2961799999999999 4.222328 16 h after light 2.990182 2.467394 3.577111 4 h after dark 2.4940083333333334 2.2374810000000003 2.886917 8 h after dark 1.5623916666666666 1.5393139999999998 1.600647