condition mean min max 3 h after light 0.08327833333333333 0.0 0.249835 6 h after light 0.16504533333333335 0.0 0.495136 9 h after light 0.054497 0.0 0.163491 12 h after light 0.07659875 0.0 0.306395 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 0.144803 0.0 0.289606