condition mean min max 0 h after light 0.06273245 0.0626765 0.0627884 4 h after light 0.4068395 0.319314 0.494365 8 h after light 0.37653349999999997 0.319005 0.434062 4 h after dark 0.955827 0.865194 1.04646 8 h after dark 0.7438645 0.740743 0.746986 12 h after dark 0.372146 0.306145 0.438147