condition mean min max 2 h after light 0.14653633333333332 0.0 0.493509 6 h after light 0.0 0.0 0.0 10 h after light 0.0 0.0 0.0 14 h after light 0.0 0.0 0.0 18 h after light 0.0370825 0.0 0.222495 2 h after dark 0.16049933333333333 0.0 0.65004