condition mean min max 4 h after light 3.665151 3.4977199999999997 3.79219 8 h after light 7.451524333333333 3.8980580000000002 10.537180000000001 12 h after light 7.587640666666666 4.955645 10.01464 16 h after light 4.493097 3.307499 6.30291 4 h after dark 8.605334333333333 7.194297 9.808261 8 h after dark 5.741702666666667 3.8635900000000003 6.727475999999999