Altitude [km]  H2O [ppmv] H2O_er [ppmv]  S     S_er
 70.25    9.5960e+00   8.7530e+00   9.4310e-01   1.8470e+00
 67.55    7.1550e+00   6.9330e+00   2.4650e-02   4.8010e-02
 64.84    5.9180e+00   5.6120e+00   2.8620e-03   5.3840e-03
 53.90    5.4900e+00   2.2090e+00   1.6030e-04   1.6450e-04
 51.15    4.0390e+00   1.7360e+00   1.0320e-04   1.0020e-04
 48.39    5.8490e+00   1.3320e+00   2.3160e-04   1.7550e-04
 45.60    4.7910e+00   9.9220e-01   5.6370e-04   3.9610e-04
 42.82    5.6880e+00   7.1930e-01   3.5230e-03   2.2510e-03
 40.02    5.5640e+00   5.2030e-01   1.0860e-02   6.2660e-03
 37.22    6.4520e+00   3.8050e-01   3.4930e-02   1.8250e-02
 34.41    6.6580e+00   2.8130e-01   1.5710e-01   7.7360e-02
 31.58    5.5500e+00   2.0900e-01   8.0220e-01   3.8400e-01
 28.75    3.1940e+00   1.5150e-01   3.8580e+00   1.8590e+00
 25.92    9.9760e-01   1.0280e-01   1.4240e+01   7.1290e+00
 23.05    1.5600e-01   6.5520e-02   4.0240e+01   3.0880e+01