condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 2 h after dark 0.1418505 0.0 0.283701 4 h after dark 0.19942549999999998 0.130937 0.267914 8 h after dark 0.066546 0.0 0.133092 12 h after dark 0.0 0.0 0.0