% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201205180000     390571200     47.4344
 201205180030     390573000     49.4279
 201205180100     390574800     50.9613
 201205180130     390576600     51.8260
 201205180200     390578400     52.2246
 201205180230     390580200     52.9581
 201205180300     390582000     52.3850
 201205180330     390583800     53.8657
 201205180400     390585600     50.3908
 201205180430     390587400     49.6009
 201205180500     390589200     49.7352
 201205180530     390591000     49.4243
 201205180600     390592800     50.0921
 201205180630     390594600     52.0352
 201205180700     390596400     52.5614
 201205180730     390598200     53.5856
 201205180800     390600000     52.4664
 201205180830     390601800     52.4574
 201205180900     390603600     52.3431
 201205180930     390605400     52.0293
 201205181000     390607200     51.5398
 201205181030     390609000     52.0550
 201205181100     390610800     53.4577
 201205181130     390612600     53.1776
 201205181200     390614400     54.2850
 201205181230     390616200     54.3094
 201205181300     390618000     56.0296
 201205181330     390619800     56.3075
 201205181400     390621600     55.3315
 201205181430     390623400     54.0872
 201205181500     390625200     55.6492
 201205181530     390627000     57.1216
 201205181600     390628800     55.0752
 201205181630     390630600     54.2250
 201205181700     390632400     50.2447
 201205181730     390634200     50.4738
 201205181800     390636000     50.1263
 201205181830     390637800     49.1991
 201205181900     390639600     50.5479
 201205181930     390641400     50.4024
 201205182000     390643200     51.1915
 201205182030     390645000     50.3005
 201205182100     390646800     50.9223
 201205182130     390648600     50.2939
 201205182200     390650400     48.9346
 201205182230     390652200     49.3708
 201205182300     390654000     49.0836
 201205182330     390655800     47.4644