% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201210190000     403876800     60.6682
 201210190030     403878600     60.9211
 201210190100     403880400     60.6519
 201210190130     403882200     60.1528
 201210190200     403884000     59.3523
 201210190230     403885800     60.3553
 201210190300     403887600     61.3690
 201210190330     403889400     61.1438
 201210190400     403891200     60.3297
 201210190430     403893000     58.9162
 201210190500     403894800     58.1588
 201210190530     403896600     59.8932
 201210190600     403898400     58.4223
 201210190630     403900200     57.0369
 201210190700     403902000     55.7855
 201210190730     403903800     54.4526
 201210190800     403905600     53.6606
 201210190830     403907400     54.4481
 201210190900     403909200     54.1833
 201210190930     403911000     52.7184
 201210191000     403912800     52.3292
 201210191030     403914600     53.0312
 201210191100     403916400     53.4688
 201210191130     403918200     55.3128
 201210191200     403920000     55.6808
 201210191230     403921800     55.8642
 201210191300     403923600     56.1824
 201210191330     403925400     57.0087
 201210191400     403927200     56.8844
 201210191430     403929000     57.8094
 201210191500     403930800     58.7277
 201210191530     403932600     58.6466
 201210191600     403934400     57.4688
 201210191630     403936200     57.2073
 201210191700     403938000     57.6626
 201210191730     403939800     57.5868
 201210191800     403941600     56.9169
 201210191830     403943400     57.3463
 201210191900     403945200     56.7271
 201210191930     403947000     56.0516
 201210192000     403948800     55.3868
 201210192030     403950600     55.1461
 201210192100     403952400     54.3031
 201210192130     403954200     54.5065
 201210192200     403956000     53.9246
 201210192230     403957800     53.8116
 201210192300     403959600     53.9544
 201210192330     403961400     54.1358