% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206190000     393336000     54.1780
 201206190030     393337800     53.5804
 201206190100     393339600     53.3557
 201206190130     393341400     53.1785
 201206190200     393343200     52.2298
 201206190230     393345000     53.8656
 201206190300     393346800     54.9595
 201206190330     393348600     54.4516
 201206190400     393350400     53.0445
 201206190430     393352200     53.3040
 201206190500     393354000     51.5582
 201206190530     393355800     51.4088
 201206190600     393357600     50.0277
 201206190630     393359400     49.9359
 201206190700     393361200     48.4716
 201206190730     393363000     47.1112
 201206190800     393364800     47.0442
 201206190830     393366600     48.0522
 201206190900     393368400     47.9734
 201206190930     393370200     49.0633
 201206191000     393372000     48.4403
 201206191030     393373800     47.4901
 201206191100     393375600     46.1026
 201206191130     393377400     45.7115
 201206191200     393379200     45.1002
 201206191230     393381000     45.9196
 201206191300     393382800     44.5525
 201206191330     393384600     44.8375
 201206191400     393386400     43.7043
 201206191430     393388200     43.5888
 201206191500     393390000     45.5376
 201206191530     393391800     45.4512
 201206191600     393393600     46.0828
 201206191630     393395400     47.1366
 201206191700     393397200     48.3479
 201206191730     393399000     49.5526
 201206191800     393400800     48.6639
 201206191830     393402600     47.4861
 201206191900     393404400     48.6268
 201206191930     393406200     46.4841
 201206192000     393408000     46.2723
 201206192030     393409800     46.6550
 201206192100     393411600     45.6824
 201206192130     393413400     46.1780
 201206192200     393415200     46.1441
 201206192230     393417000     47.4335
 201206192300     393418800     51.4094
 201206192330     393420600     53.1284