% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201210310000     404913600     52.6133
 201210310030     404915400     52.0928
 201210310100     404917200     50.4391
 201210310130     404919000     53.5611
 201210310200     404920800     55.7316
 201210310230     404922600     57.6447
 201210310300     404924400     61.2514
 201210310330     404926200     59.5714
 201210310400     404928000     59.5355
 201210310430     404929800     58.6647
 201210310500     404931600     54.3494
 201210310530     404933400     53.4460
 201210310600     404935200     50.9232
 201210310630     404937000     51.7012
 201210310700     404938800     53.4500
 201210310730     404940600     52.9212
 201210310800     404942400     56.1389
 201210310830     404944200     56.0812
 201210311030     404951400     62.0941
 201210311100     404953200     57.4866
 201210311130     404955000     56.3230
 201210311200     404956800     55.4035
 201210311230     404958600     53.4886
 201210311300     404960400     54.3014
 201210311330     404962200     53.7073
 201210311400     404964000     54.7298
 201210311430     404965800     53.7830
 201210311500     404967600     53.0366
 201210311530     404969400     53.6448
 201210311600     404971200     52.3644
 201210311630     404973000     53.2575
 201210311700     404974800     52.5959
 201210311730     404976600     56.2849
 201210311800     404978400     55.9414
 201210311830     404980200     53.0961
 201210311900     404982000     47.3519
 201210311930     404983800     48.0687
 201210312000     404985600     48.1849
 201210312030     404987400     50.6281
 201210312100     404989200     50.0301
 201210312130     404991000     50.7577
 201210312200     404992800     50.2466
 201210312230     404994600     50.3437
 201210312300     404996400     50.5560
 201210312330     404998200     50.4835