% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201312040000     439387200     51.1780
 201312040030     439389000     50.9833
 201312040100     439390800     50.5682
 201312040130     439392600     50.1338
 201312040200     439394400     49.9314
 201312040230     439396200     49.3640
 201312040300     439398000     50.0826
 201312040330     439399800     49.2562
 201312040400     439401600     50.1435
 201312040430     439403400     50.0611
 201312040500     439405200     50.2265
 201312040530     439407000     50.1556
 201312040600     439408800     50.5448
 201312040630     439410600     48.9698
 201312040700     439412400     49.7612
 201312040730     439414200     49.8897
 201312040800     439416000     50.5944
 201312040830     439417800     50.7245
 201312040900     439419600     50.9801
 201312040930     439421400     51.8156
 201312041000     439423200     51.9655
 201312041030     439425000     50.1941
 201312041100     439426800     51.7115
 201312041130     439428600     50.4330
 201312041200     439430400     51.9467
 201312041230     439432200     53.8273
 201312041300     439434000     51.3965
 201312041330     439435800     47.2150
 201312041400     439437600     47.3652
 201312041430     439439400     46.9553
 201312041500     439441200     46.9925
 201312041530     439443000     47.3614
 201312041600     439444800     49.1738
 201312041630     439446600     47.9904
 201312041700     439448400     48.0059
 201312041730     439450200     46.8023
 201312041800     439452000     48.5815
 201312041830     439453800     49.0317
 201312041900     439455600     50.0356
 201312041930     439457400     50.3044
 201312042000     439459200     50.4301
 201312042030     439461000     50.5582
 201312042100     439462800     53.0883
 201312042130     439464600     53.4727
 201312042200     439466400     50.9148
 201312042230     439468200     52.3721
 201312042300     439470000     55.2071
 201312042330     439471800     54.3205