condition mean min max 0 h after light 1.87018 1.37556 2.3648 4 h after light 1.86659 1.47683 2.25635 8 h after light 3.938025 3.64966 4.22639 4 h after dark 3.4533050000000003 3.37143 3.53518 8 h after dark 2.376415 2.34866 2.40417 12 h after dark 1.882965 1.82836 1.93757