% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201207310000     396964800     44.2941
 201207310030     396966600     43.4874
 201207310100     396968400     43.5477
 201207310130     396970200     42.2827
 201207310200     396972000     41.2192
 201207310230     396973800     39.7376
 201207310300     396975600     40.4190
 201207310330     396977400     39.9938
 201207310400     396979200     39.9579
 201207310430     396981000     39.3570
 201207310500     396982800     40.1002
 201207310530     396984600     40.6917
 201207310600     396986400     41.0783
 201207310630     396988200     41.0991
 201207310700     396990000     38.8031
 201207310730     396991800     36.5193
 201207310800     396993600     35.6287
 201207310830     396995400     34.6890
 201207310900     396997200     33.8148
 201207310930     396999000     33.3124
 201207311000     397000800     33.1436
 201207311030     397002600     33.7382
 201207311100     397004400     33.5270
 201207311130     397006200     33.6202
 201207311200     397008000     34.1049
 201207311230     397009800     33.2291
 201207311300     397011600     31.1568
 201207311330     397013400     31.5562
 201207311400     397015200     31.9848
 201207311430     397017000     32.8798
 201207311500     397018800     32.4825
 201207311530     397020600     31.2583
 201207311600     397022400     30.8083
 201207311630     397024200     32.2104
 201207311700     397026000     33.6938
 201207311730     397027800     35.0407
 201207311800     397029600     35.8810
 201207311830     397031400     36.8100
 201207311900     397033200     36.5952
 201207311930     397035000     34.7734
 201207312000     397036800     33.5853
 201207312030     397038600     33.7643
 201207312100     397040400     33.8848
 201207312130     397042200     34.8281
 201207312200     397044000     33.7315
 201207312230     397045800     32.7774
 201207312300     397047600     32.8503
 201207312330     397049400     33.2711