condition mean min max 2 h after light 0.26104816666666664 0.0 0.672705 6 h after light 0.2399585 0.0 0.412417 10 h after light 0.2821 0.0 1.13365 14 h after light 0.31114866666666663 0.0 0.575216 18 h after light 0.4673105 0.0 0.998651 2 h after dark 0.259654 0.0 0.65239