condition mean min max 2 h after light 8.660131666666667 3.12634 23.4134 6 h after light 8.534585 2.52412 20.9109 10 h after light 11.448548333333333 5.36577 19.746 14 h after light 11.803865 2.81436 27.6941 18 h after light 9.834691666666668 4.22847 19.7006 2 h after dark 4.581801666666666 1.37265 12.5255