condition mean min max 4 h after light 82.8621875 70.313647 95.410728 8 h after light 63.8415185 62.711461 64.971576 12 h after light 87.61071100000001 64.033815 111.187607 4 h after dark 62.300374 57.90397 66.696778 8 h after dark 77.476659 68.321697 86.631621 12 h after dark 90.344752 90.344752 90.344752