# sig     lat   zonal inf. depth
 21.25  -17.7     0.02
 21.25  -15.8     0.02
 21.25  -13.9     0.02
 21.25  -11.9     0.02
 21.25   -9.9     0.02
 21.25   -8.0     0.02
 21.25   -6.0     0.02
 21.25   -4.0     0.06
 21.25   -2.0     0.45
 21.25    0.0     1.30
 21.25    2.0     1.98
 21.25    4.0     2.23
 21.25    6.0     1.95
 21.25    8.0     1.42
 21.25    9.9     0.80
 21.25   11.9     0.34
 21.25   13.9     0.12
 21.25   15.8     0.03
 21.25   17.7     0.02
 21.25   19.6     0.02
 21.25   21.5     0.02
 21.25   23.3     0.02
 21.25   25.2     0.18
 21.25   26.9     0.60
 21.25   28.7     0.63
 21.25   30.5     0.49
 21.25   32.2     0.02
 21.25   33.8     0.02
 21.25   35.5     0.02
 21.25   37.1     0.02
 21.25   38.7     0.03
 21.25   40.2     0.02
 21.25   41.7     0.02
 21.25   43.2     0.02
 21.25   44.6     0.02
 21.25   46.1     0.02
 21.25   47.4     0.02
 21.25   48.8     0.02
 21.25   50.1     0.02
 21.25   51.3     0.02
 21.25   52.6     0.02
 21.25   53.8     0.02
 21.25   54.9     0.02
 21.25   56.1     0.02
 21.25   57.2     0.02
 21.25   58.2     0.02
 21.25   59.3     0.02
 21.25   60.3     0.02
 21.25   61.2     0.02
 21.25   61.7     0.02
 21.25   62.2     0.02