% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206190000     393336000     52.3130
 201206190030     393337800     51.3675
 201206190100     393339600     51.7773
 201206190130     393341400     51.2190
 201206190200     393343200     51.0602
 201206190230     393345000     51.7105
 201206190300     393346800     52.7342
 201206190330     393348600     52.9118
 201206190400     393350400     53.6179
 201206190430     393352200     51.8297
 201206190500     393354000     49.9658
 201206190530     393355800     50.0501
 201206190600     393357600     48.7575
 201206190630     393359400     48.1132
 201206190700     393361200     46.0948
 201206190730     393363000     44.5543
 201206190800     393364800     45.4287
 201206190830     393366600     46.6625
 201206190900     393368400     47.2473
 201206190930     393370200     46.8723
 201206191000     393372000     48.1796
 201206191030     393373800     46.4510
 201206191100     393375600     45.2275
 201206191130     393377400     44.6287
 201206191200     393379200     43.7572
 201206191230     393381000     43.9417
 201206191300     393382800     42.8642
 201206191330     393384600     42.7388
 201206191400     393386400     42.0555
 201206191430     393388200     42.5705
 201206191500     393390000     42.6730
 201206191530     393391800     43.1232
 201206191600     393393600     44.4960
 201206191630     393395400     44.6130
 201206191700     393397200     46.1472
 201206191730     393399000     46.9149
 201206191800     393400800     47.1370
 201206191830     393402600     46.9523
 201206191900     393404400     45.9578
 201206191930     393406200     44.1594
 201206192000     393408000     44.2309
 201206192030     393409800     45.5893
 201206192100     393411600     44.5702
 201206192130     393413400     43.7886
 201206192200     393415200     44.1967
 201206192230     393417000     44.4800
 201206192300     393418800     46.4311
 201206192330     393420600     50.3400