condition mean min max 3 h after light 3.97514 2.29257 6.51662 7 h after light 2.828279166666667 1.8005 4.33308 11 h after light 2.72162 1.71296 3.91272 2 h after dark 2.772269166666667 1.5422 4.43223 6 h after dark 3.7111375 2.58366 5.07366 10 h after dark 4.178435833333333 3.14126 5.83255