Histograms of the logarithmic optical depths log₁₀τ_{5(line center)} (top panel) and of the temperatures (bottom panel) at the photospheric layers where the line center of the Fe i 6302.50 Å is formed. Solid and dotted curves show results, respectively, for the 3D model snapshots with ⟨ | B_z | ⟩ = 80 G and ⟨ | B_z | ⟩ = 0.5 G. The mean values of the temperature and optical depth are shown, respectively, in the upper right and upper left corners of the corresponding panels.