condition mean min max 4 h after light 0.2760777 0.0974491 0.471194 8 h after light 0.3805919 0.0490857 0.717017 12 h after light 0.5619913333333334 0.34024 0.724937 4 h after dark 0.44994 0.245616 0.592043 8 h after dark 0.2659533333333333 0.249033 0.279388 12 h after dark 0.516207 0.292158 0.73303