We derive correlation coefficients between temperature and line-of-sight velocity as a function of optical depth throughout the solar photosphere for the non-magnetic photosphere and a small area of enhanced magnetic activity . The maximum anticorrelation of about -0.6 between temperature and line-of-sight velocity in the non-magnetic photosphere occurs at \log \tau _ { 5 } = -0.4 . The magnetic field is another decorrelating factor along with 5-min oscillations and seeing .