condition mean min max 0 h after light 0.3857515 0.330981 0.440522 4 h after light 0.7746065 0.651495 0.897718 8 h after light 0.27711600000000003 0.217914 0.336318 4 h after dark 0.8129255 0.757135 0.868716 8 h after dark 1.1443665 0.976183 1.31255 12 h after dark 0.3263545 0.322761 0.329948