% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201207310000     396964800     45.7271
 201207310030     396966600     45.4621
 201207310100     396968400     43.8362
 201207310130     396970200     43.1392
 201207310200     396972000     42.1983
 201207310230     396973800     42.2067
 201207310300     396975600     41.0500
 201207310330     396977400     41.0683
 201207310400     396979200     40.3528
 201207310430     396981000     41.0374
 201207310500     396982800     41.9718
 201207310530     396984600     42.5420
 201207310600     396986400     42.5429
 201207310630     396988200     41.7584
 201207310700     396990000     39.1154
 201207310730     396991800     37.3214
 201207310800     396993600     35.6736
 201207310830     396995400     35.7579
 201207310900     396997200     35.5580
 201207310930     396999000     34.3548
 201207311000     397000800     34.7213
 201207311030     397002600     34.3463
 201207311100     397004400     34.2063
 201207311130     397006200     34.2754
 201207311200     397008000     34.9517
 201207311230     397009800     33.8529
 201207311300     397011600     32.1483
 201207311330     397013400     31.7653
 201207311400     397015200     32.8407
 201207311430     397017000     32.7088
 201207311500     397018800     32.9832
 201207311530     397020600     32.4150
 201207311600     397022400     31.4859
 201207311630     397024200     32.9857
 201207311700     397026000     34.5921
 201207311730     397027800     36.6409
 201207311800     397029600     37.7239
 201207311830     397031400     36.9335
 201207311900     397033200     35.3957
 201207311930     397035000     36.0725
 201207312000     397036800     34.7544
 201207312030     397038600     34.1227
 201207312100     397040400     35.0228
 201207312130     397042200     34.1416
 201207312200     397044000     33.7664
 201207312230     397045800     32.9395
 201207312300     397047600     33.8035
 201207312330     397049400     35.3374