condition mean min max 2 h after light 0.0 0.0 0.0 6 h after light 0.0 0.0 0.0 10 h after light 0.17577916666666665 0.0 0.684179 14 h after light 0.06511516666666667 0.0 0.390691 18 h after light 0.0 0.0 0.0 2 h after dark 0.0 0.0 0.0