condition mean min max 4 h after light 3.2475300000000002 2.39287 4.10219 8 h after light 6.923005 6.67084 7.17517 12 h after light 12.44295 12.0018 12.8841 4 h after dark 12.450133333333333 11.6905 13.7377 8 h after dark 11.244466666666668 10.5075 12.1393 12 h after dark 6.792 6.42113 7.05367