condition mean min max 3 h after light 6.681766666666666 1.92591 12.6451 6 h after light 1.626856 0.323438 3.07291 9 h after light 1.276507 0.976951 1.77645 12 h after light 3.3920500000000002 1.29515 5.67422 3 h after dark 0.8293523333333334 0.426093 1.46408 6 h after dark 1.091531 0.0 2.52068 9 h after dark 1.0918783333333333 0.438855 1.80858 12 h after dark 1.6156576666666667 0.389093 2.91338