condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 2.718395666666667 0.816527 5.19399 12 h after light 1.56258 0.43932 2.72736 4 h after dark 22.512800000000002 13.5646 36.8997 8 h after dark 0.6799433333333333 0.270007 1.32618 12 h after dark 0.073106 0.0 0.219318