condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.2576116666666667 0.0 1.54567 10 h after light 0.40453333333333336 0.0 2.4272 14 h after light 0.29817 0.0 1.78902 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0