condition mean min max 0 h after light 0.0 0.0 0.0 2 h after light 0.03478475 0.0 0.0695695 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.03963585 0.0 0.0792717 2 h after dark 0.0 0.0 0.0 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0