condition mean min max 2 h after light 15.720799999999999 10.2647 19.0353 6 h after light 9.744895 7.50116 11.3706 10 h after light 17.596016666666667 12.1256 26.5426 14 h after light 16.437033333333332 10.2315 22.658 18 h after light 13.627885 9.56361 16.4733 2 h after dark 23.237033333333333 20.5453 26.5316