condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 12 h after light 0.08256625000000001 0.0709804 0.0941521 4 h after dark 0.09350905 0.0629371 0.124081 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0