1     1
    AMPS    13     4    25     1     1
     1 BACKWARD DIVERGE 
  2013     4    26    12  -78.220  170.010    45.0
     1 PRESSURE
     1     1    13     4    26    12     0    36     0.0  -78.220  170.010     45.0      NaN
     1     1    13     4    26    11     0    35    -1.0  -78.212  169.430     63.1      NaN
     1     1    13     4    26    10     0    34    -2.0  -78.215  168.890    103.0      NaN
     1     1    13     4    26     9     0    33    -3.0  -78.199  168.434    165.0      NaN
     1     1    13     4    26     8     0    32    -4.0  -78.149  168.150    198.2      NaN
     1     1    13     4    26     7     0    31    -5.0  -78.079  168.093    186.2      NaN
     1     1    13     4    26     6     0    30    -6.0  -78.008  168.223    219.4    957.5
     1     1    13     4    26     5     0    29    -7.0  -77.961  168.501    225.4    955.4
     1     1    13     4    26     4     0    28    -8.0  -77.909  168.756    187.8      NaN