condition mean min max 4 h after light 0.4864403333333333 0.284838 0.831584 8 h after light 0.757529 0.197246 1.42139 12 h after light 0.39713333333333334 0.382701 0.41471 4 h after dark 0.786077 0.203572 1.47202 8 h after dark 0.64715 0.229113 1.20693 12 h after dark 0.5067953333333334 0.325903 0.795798