FE  axis  No.obs.    mean   s.d.  Notes ('significant' trends)
                           (mm)   (mm)
    ----- ----  -------  ------- ------ -----------------------------
     RxA    Z      26     -0.30   0.08   1
            X      21     +0.31   0.27   2
            Y      17     -0.01   0.22

     RxB    Z       8     -1.8    0.1
            X     few     -0.4    0.2
            Y     few     -1.5    0.2

Notes

1. temperature range +3 to 12
2. RxA_X = (0.92+0.21)*cos(el)

Assuming the el-trend is ignorable for now these means should be installed into the new SMU code: as they were later on this day.