condition mean min max 2 h after light 61.45115 40.9064 108.527 6 h after light 43.52368333333333 23.0778 70.5707 10 h after light 56.67311666666667 24.5056 87.5373 14 h after light 47.926199999999994 37.9041 58.9355 18 h after light 50.86794999999999 33.3535 87.493 2 h after dark 8.044171666666667 2.91733 13.8644