% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201105310000     360072000     57.7909
 201105310030     360073800     57.8373
 201105310100     360075600     57.4121
 201105310130     360077400     56.7068
 201105310200     360079200     55.9420
 201105310230     360081000     55.0160
 201105310300     360082800     54.2093
 201105310330     360084600     53.0523
 201105310400     360086400     52.5761
 201105310430     360088200     51.4299
 201105310500     360090000     50.1102
 201105310530     360091800     49.1554
 201105310600     360093600     47.8332
 201105310630     360095400     46.9964
 201105310700     360097200     47.7494
 201105310730     360099000     48.7448
 201105310800     360100800     49.6257
 201105310830     360102600     50.6047
 201105310900     360104400     51.8293
 201105310930     360106200     52.8468
 201105311000     360108000     53.1223
 201105311030     360109800     54.1838
 201105311100     360111600     54.7463
 201105311130     360113400     54.9449
 201105311200     360115200     55.0762
 201105311230     360117000     54.7968
 201105311300     360118800     55.3768
 201105311330     360120600     55.6474
 201105311400     360122400     55.9106
 201105311430     360124200     56.9210
 201105311500     360126000     55.6832
 201105311530     360127800     56.1061
 201105311600     360129600     57.4896
 201105311630     360131400     57.3680
 201105311700     360133200     57.1971
 201105311730     360135000     57.6154
 201105311800     360136800     58.2643
 201105311830     360138600     58.2189
 201105311900     360140400     58.2245
 201105311930     360142200     58.3682
 201105312000     360144000     59.5608
 201105312030     360145800     59.8724
 201105312100     360147600     59.6538
 201105312130     360149400     59.1329
 201105312200     360151200     58.7791
 201105312230     360153000     59.1565
 201105312300     360154800     59.5786
 201105312330     360156600     58.8429