condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.059596333333333334 0.0 0.178789 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0 0.0 0.0 6 h after dark 0.0 0.0 0.0 9 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0