condition mean min max 4 h after light 2.910202 0.936614 4.88379 8 h after light 5.51401 3.59108 7.43694 12 h after light 6.892329999999999 4.36321 9.42145 4 h after dark 2.4942349999999998 2.3959 2.59257 8 h after dark 1.569475 1.07614 2.06281 12 h after dark 0.9460035 0.928864 0.963143