condition mean min max 4 h after light 16.5096 13.7831 19.2361 8 h after light 17.859099999999998 16.8281 18.8901 12 h after light 18.0992 16.155 20.0434 4 h after dark 34.648250000000004 26.4422 42.8543 8 h after dark 22.57665 21.9785 23.1748 12 h after dark 20.91215 19.3869 22.4374