% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206230000     393681600     42.1954
 201206230030     393683400     44.2043
 201206230100     393685200     45.7256
 201206230130     393687000     45.9081
 201206230200     393688800     47.1436
 201206230230     393690600     49.7256
 201206230300     393692400     47.9678
 201206230330     393694200     47.4994
 201206230400     393696000     48.0647
 201206230430     393697800     49.6216
 201206230500     393699600     47.3762
 201206230530     393701400     48.0486
 201206230600     393703200     49.5340
 201206230630     393705000     49.4778
 201206230700     393706800     47.2375
 201206230730     393708600     48.1036
 201206230800     393710400     49.4307
 201206230830     393712200     48.9066
 201206230900     393714000     51.2271
 201206230930     393715800     51.5512
 201206231000     393717600     51.7428
 201206231030     393719400     50.8450
 201206231100     393721200     49.7216
 201206231130     393723000     49.3809
 201206231200     393724800     49.1947
 201206231230     393726600     48.9259
 201206231300     393728400     50.9089
 201206231330     393730200     52.3687
 201206231400     393732000     51.0475
 201206231430     393733800     50.9291
 201206231500     393735600     53.4638
 201206231530     393737400     54.1074
 201206231600     393739200     54.6060
 201206231630     393741000     50.8637
 201206231700     393742800     50.0231
 201206231730     393744600     49.4298
 201206231800     393746400     49.8124
 201206231830     393748200     47.4780
 201206231900     393750000     47.1937
 201206231930     393751800     46.9539
 201206232000     393753600     47.0479
 201206232030     393755400     47.7897
 201206232100     393757200     48.2202
 201206232130     393759000     46.4986
 201206232200     393760800     45.7038
 201206232230     393762600     45.2906
 201206232300     393764400     45.5767
 201206232330     393766200     45.8342