condition mean min max 2 h after light 1.9769999999999999 0.0 4.89935 6 h after light 4.069075 1.80736 9.54694 10 h after light 2.0017899999999997 0.22683 5.5356 14 h after light 1.8963455 0.0 4.54516 18 h after light 2.6419885 0.367831 9.22502 2 h after dark 0.386995 0.0 1.19136