condition mean min max 2 h after light 3.24377 0.0 4.94048 6 h after light 3.542845 0.0 8.50179 10 h after light 1.2708523333333335 0.0 2.67011 14 h after light 2.248483333333333 0.0 4.05326 18 h after light 2.7986050000000002 0.0 6.76752 2 h after dark 3.5983216666666666 0.0 5.58026