condition mean min max 0 h after light 0.8650795 0.824655 0.905504 4 h after light 0.748099 0.405808 1.09039 8 h after light 1.24163 1.05874 1.42452 4 h after dark 1.5782824999999998 0.892835 2.26373 8 h after dark 0.8546885 0.817568 0.891809 12 h after dark 1.0159630000000002 0.986496 1.04543