% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206190000     393336000     51.5132
 201206190030     393337800     51.4271
 201206190100     393339600     51.1561
 201206190130     393341400     49.9438
 201206190200     393343200     49.6924
 201206190230     393345000     51.5984
 201206190300     393346800     51.3163
 201206190330     393348600     50.3349
 201206190400     393350400     48.3596
 201206190430     393352200     47.8513
 201206190500     393354000     47.4190
 201206190530     393355800     46.7220
 201206190600     393357600     46.8688
 201206190630     393359400     46.1247
 201206190700     393361200     44.4656
 201206190730     393363000     43.7749
 201206190800     393364800     43.3961
 201206190830     393366600     42.7673
 201206190900     393368400     42.3560
 201206190930     393370200     43.2662
 201206191000     393372000     43.8511
 201206191030     393373800     42.4543
 201206191100     393375600     43.1227
 201206191130     393377400     42.4355
 201206191200     393379200     41.7154
 201206191230     393381000     40.5223
 201206191300     393382800     40.1986
 201206191330     393384600     40.6197
 201206191400     393386400     42.1694
 201206191430     393388200     42.9732
 201206191500     393390000     43.0930
 201206191530     393391800     44.6302
 201206191600     393393600     43.8096
 201206191630     393395400     43.5340
 201206191700     393397200     43.3575
 201206191730     393399000     45.1309
 201206191800     393400800     44.9107
 201206191830     393402600     45.4321
 201206191900     393404400     42.4907
 201206191930     393406200     44.2681
 201206192000     393408000     43.4164
 201206192030     393409800     44.3475
 201206192100     393411600     47.7855
 201206192130     393413400     51.5341
 201206192200     393415200     51.4780
 201206192230     393417000     47.6105
 201206192300     393418800     44.4043
 201206192330     393420600     45.3679