condition mean min max 0 h after light 0.855496 0.721161 0.989831 4 h after light 0.357847 0.183375 0.532319 8 h after light 1.53017 1.19079 1.86955 4 h after dark 4.6537299999999995 2.20941 7.09805 8 h after dark 1.15659 1.07245 1.24073 12 h after dark 1.239497 0.808774 1.67022