% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201205180000     390571200     48.7402
 201205180030     390573000     50.5461
 201205180100     390574800     51.4303
 201205180130     390576600     51.3254
 201205180200     390578400     51.7789
 201205180230     390580200     50.8657
 201205180300     390582000     50.9311
 201205180330     390583800     49.0687
 201205180400     390585600     49.2378
 201205180430     390587400     49.5690
 201205180500     390589200     48.6915
 201205180530     390591000     49.0883
 201205180600     390592800     49.8415
 201205180630     390594600     50.3442
 201205180700     390596400     49.9404
 201205180730     390598200     50.1658
 201205180800     390600000     49.9506
 201205180830     390601800     50.1113
 201205180900     390603600     49.7874
 201205180930     390605400     49.7909
 201205181000     390607200     51.0225
 201205181030     390609000     51.7810
 201205181100     390610800     52.1108
 201205181130     390612600     52.5849
 201205181200     390614400     53.2924
 201205181230     390616200     54.1312
 201205181300     390618000     54.7078
 201205181330     390619800     54.7153
 201205181400     390621600     53.7219
 201205181430     390623400     53.8175
 201205181500     390625200     56.3692
 201205181530     390627000     55.7012
 201205181600     390628800     53.6933
 201205181630     390630600     49.9125
 201205181700     390632400     49.1202
 201205181730     390634200     49.0528
 201205181800     390636000     51.4971
 201205181830     390637800     50.3635
 201205181900     390639600     49.1162
 201205181930     390641400     49.8028
 201205182000     390643200     50.2907
 201205182030     390645000     49.0687
 201205182100     390646800     48.7285
 201205182130     390648600     49.0131
 201205182200     390650400     48.5811
 201205182230     390652200     48.5820
 201205182300     390654000     48.4817
 201205182330     390655800     47.2299