% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201312100000     439905600     57.1689
 201312100030     439907400     57.0239
 201312100130     439911000     56.3412
 201312100200     439912800     55.0786
 201312100230     439914600     53.8782
 201312100300     439916400     53.2332
 201312100330     439918200     52.3200
 201312100400     439920000     51.3982
 201312100430     439921800     50.5576
 201312100500     439923600     51.0368
 201312100530     439925400     49.6105
 201312100600     439927200     48.6337
 201312100630     439929000     48.6639
 201312100700     439930800     48.9490
 201312100730     439932600     49.4033
 201312100800     439934400     50.3118
 201312100830     439936200     50.7095
 201312100900     439938000     50.1699
 201312100930     439939800     49.9997
 201312101000     439941600     49.1143
 201312101030     439943400     47.6225
 201312101100     439945200     47.5040
 201312101130     439947000     46.5607
 201312101200     439948800     46.1414
 201312101230     439950600     45.2749
 201312101300     439952400     45.4538
 201312101330     439954200     46.9829
 201312101400     439956000     47.5488
 201312101430     439957800     47.2445
 201312101500     439959600     46.5004
 201312101530     439961400     46.8963
 201312101600     439963200     48.6610
 201312101630     439965000     48.6243
 201312101700     439966800     49.0796
 201312101730     439968600     50.5784
 201312101800     439970400     49.0660
 201312101830     439972200     48.7897
 201312101900     439974000     49.4097
 201312101930     439975800     49.9631
 201312102000     439977600     52.3812
 201312102030     439979400     51.9621
 201312102100     439981200     51.8014
 201312102130     439983000     53.9190
 201312102200     439984800     55.1435
 201312102230     439986600     56.3581
 201312102300     439988400     56.7970
 201312102330     439990200     53.9753