condition mean min max 4 h after light 1.8420450000000002 1.65317 2.03092 8 h after light 2.702715 2.61501 2.79042 12 h after light 2.003525 1.72209 2.28496 4 h after dark 3.709765 3.06208 4.35745 8 h after dark 2.355995 2.16441 2.54758 12 h after dark 2.22146 2.105 2.33792