% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201003210000     322401600     51.3441
 201003210030     322403400     50.0853
 201003210100     322405200     48.7550
 201003210130     322407000     48.5671
 201003210200     322408800     48.6072
 201003210230     322410600     49.0299
 201003210300     322412400     49.6355