condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.20386179999999998 0.0156864 0.336983 12 h after light 0.1350051 0.0588783 0.203946 4 h after dark 0.16555723333333333 0.0394687 0.339382 8 h after dark 0.13729863333333334 0.0593759 0.215507 12 h after dark 0.11951586666666666 0.0470976 0.18316