condition mean min max 4 h after light 0.305318 0.0 0.610636 8 h after light 0.6049530000000001 0.166716 1.04319 12 h after light 0.384899 0.121567 0.648231 4 h after dark 3.4583033333333333 2.647 4.46754 8 h after dark 2.08618 1.06734 3.05378 12 h after dark 1.1766356666666666 0.837727 1.63448