% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201205180000     390571200     43.7239
 201205180030     390573000     44.9569
 201205180100     390574800     47.8399
 201205180130     390576600     49.3682
 201205180200     390578400     50.5946
 201205180230     390580200     51.9421
 201205180300     390582000     52.5533
 201205180330     390583800     52.9292
 201205180400     390585600     52.5039
 201205180430     390587400     54.4097
 201205180500     390589200     49.8193
 201205180530     390591000     50.1953
 201205180600     390592800     51.2081
 201205180630     390594600     51.4841
 201205180700     390596400     51.5280
 201205180730     390598200     51.4261
 201205180800     390600000     50.8910
 201205180830     390601800     52.4872
 201205180900     390603600     51.6456
 201205180930     390605400     50.8903
 201205181000     390607200     50.8271
 201205181030     390609000     51.9859
 201205181100     390610800     51.7483
 201205181130     390612600     51.4264
 201205181200     390614400     53.3139
 201205181230     390616200     53.2543
 201205181300     390618000     55.5415
 201205181330     390619800     56.8796
 201205181400     390621600     53.7406
 201205181430     390623400     52.7292
 201205181500     390625200     53.1576
 201205181530     390627000     53.4235
 201205181600     390628800     53.5968
 201205181630     390630600     54.6024
 201205181700     390632400     56.6061
 201205181730     390634200     53.4946
 201205181800     390636000     51.3808
 201205181830     390637800     48.9344
 201205181900     390639600     46.6460
 201205181930     390641400     48.1961
 201205182000     390643200     50.1462
 201205182030     390645000     49.6821
 201205182100     390646800     49.7548
 201205182130     390648600     50.3600
 201205182200     390650400     49.2688
 201205182230     390652200     50.0898
 201205182300     390654000     48.6228
 201205182330     390655800     48.3989