condition mean min max 4 h after light 3.9748900000000003 3.30036 4.64942 8 h after light 4.626435000000001 4.2689 4.98397 12 h after light 7.066155 6.80667 7.32564 4 h after dark 8.363869999999999 8.22139 8.50635 8 h after dark 6.498200000000001 6.23798 6.75842 12 h after dark 6.4482099999999996 6.31792 6.5785