condition mean min max 4 h after light 0.7960130000000001 0.571856 1.02017 8 h after light 1.160045 1.15027 1.16982 12 h after light 1.1180825 0.956635 1.27953 4 h after dark 0.453997 0.393091 0.487365 8 h after dark 0.875366 0.816299 0.917065 12 h after dark 0.812924 0.664795 0.89044