condition mean min max 4 h after light 5.7862100000000005 5.1191 6.45332 8 h after light 4.21317 4.05714 4.3692 12 h after light 3.9455799999999996 3.5155 4.37566 4 h after dark 4.89922 4.63687 5.16157 8 h after dark 5.337275 5.12766 5.54689 12 h after dark 5.66693 5.59925 5.73461