% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201210310000     404913600     51.8105
 201210310030     404915400     50.4916
 201210310100     404917200     49.1927
 201210310130     404919000     51.2451
 201210310200     404920800     54.5800
 201210310230     404922600     55.8280
 201210310300     404924400     57.4609
 201210310330     404926200     58.5239
 201210310400     404928000     59.2475
 201210310430     404929800     54.6414
 201210310500     404931600     51.9367
 201210310530     404933400     50.2134
 201210310600     404935200     49.9923
 201210310630     404937000     50.1345
 201210310700     404938800     49.1674
 201210310730     404940600     50.4936
 201210310800     404942400     53.9511
 201210310830     404944200     55.4758
 201210310900     404946000     58.9807
 201210310930     404947800     59.4323
 201210311000     404949600     58.2658
 201210311030     404951400     58.5750
 201210311100     404953200     56.0164
 201210311130     404955000     54.9427
 201210311200     404956800     53.1810
 201210311230     404958600     54.8552
 201210311300     404960400     53.7579
 201210311330     404962200     51.4251
 201210311400     404964000     52.1666
 201210311430     404965800     51.9014
 201210311500     404967600     50.7566
 201210311530     404969400     51.5506
 201210311600     404971200     51.8827
 201210311630     404973000     52.3819
 201210311700     404974800     51.3256
 201210311730     404976600     50.2551
 201210311800     404978400     51.1200
 201210311830     404980200     48.1866
 201210311900     404982000     45.0780
 201210311930     404983800     46.0166
 201210312000     404985600     48.9975
 201210312030     404987400     48.6550
 201210312100     404989200     48.3746
 201210312130     404991000     49.6739
 201210312200     404992800     48.8354
 201210312230     404994600     49.7900
 201210312300     404996400     50.2441
 201210312330     404998200     48.6082