% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201003200000     322315200     52.5119
 201003200030     322317000     52.0507
 201003200100     322318800     53.3892
 201003200130     322320600     54.4431
 201003200200     322322400     59.2359
 201003200230     322324200     57.1639
 201003200300     322326000     56.6803