#    latitude          pdf          cdf
     -79.4412   0.00095936        0.004
     -75.2718   0.00023984        0.005
     -71.1023   0.00095936        0.009
     -66.9329   0.00023984         0.01
     -62.7634   0.00191872        0.018
      -58.594   0.00215856        0.027
     -54.4246   0.00095936        0.031
     -50.2551   0.00191872        0.039
     -46.0857    0.0023984        0.049
     -41.9162    0.0035976        0.064
     -37.7468   0.00455696        0.083
     -33.5773   0.00695536        0.112
     -29.4079   0.00767488        0.144
     -25.2384   0.00743504        0.175
      -21.069    0.0146302        0.236
     -16.8995    0.0175083        0.309
     -12.7301    0.0182278        0.385
     -8.56063    0.0227848         0.48
     -4.39118      0.02998        0.605
    -0.221729    0.0311792        0.735
      3.94772    0.0273417        0.849
      8.11717    0.0213458        0.938
      12.2866     0.011992        0.988
      16.4561   0.00215856        0.997
      20.6255   0.00071952            1