% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201208010000     397051200     38.3580
 201208010030     397053000     37.7916
 201208010100     397054800     37.2254
 201208010130     397056600     36.0646
 201208010200     397058400     36.0486
 201208010230     397060200     36.8208
 201208010300     397062000     37.3775
 201208010330     397063800     37.5280
 201208010400     397065600     36.8771
 201208010430     397067400     36.4904
 201208010500     397069200     34.6076
 201208010530     397071000     33.4981
 201208010600     397072800     33.2080
 201208010630     397074600     34.0141
 201208010700     397076400     34.7178
 201208010730     397078200     33.7425
 201208010800     397080000     34.4849
 201208010830     397081800     34.5030
 201208010900     397083600     33.9502
 201208010930     397085400     33.3364
 201208011000     397087200     33.1465
 201208011030     397089000     32.7304
 201208011100     397090800     32.1140
 201208011130     397092600     32.5807
 201208011200     397094400     33.2414
 201208011230     397096200     33.4599
 201208011300     397098000     33.8811
 201208011330     397099800     35.2225
 201208011400     397101600     34.4664
 201208011430     397103400     35.3202
 201208011500     397105200     33.6906
 201208011530     397107000     33.6895
 201208011600     397108800     32.8139
 201208011630     397110600     32.4137
 201208011700     397112400     33.3055
 201208011730     397114200     33.0803
 201208011800     397116000     33.8957
 201208011830     397117800     34.7268
 201208011900     397119600     35.1983
 201208011930     397121400     35.0893
 201208012000     397123200     35.8777
 201208012030     397125000     34.2344
 201208012100     397126800     35.1329
 201208012130     397128600     35.0774
 201208012200     397130400     35.0968
 201208012230     397132200     34.6760
 201208012300     397134000     33.8091
 201208012330     397135800     34.5528