% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201312040000     439387200     49.5370
 201312040030     439389000     49.4482
 201312040100     439390800     49.0808
 201312040130     439392600     48.5583
 201312040200     439394400     48.9434
 201312040230     439396200     50.9094
 201312040300     439398000     52.7034
 201312040330     439399800     47.8510
 201312040400     439401600     50.0657
 201312040430     439403400     50.2198
 201312040500     439405200     51.5118
 201312040530     439407000     51.7306
 201312040600     439408800     49.5987
 201312040630     439410600     49.0055
 201312040700     439412400     47.8368
 201312040730     439414200     48.5809
 201312040800     439416000     48.3469
 201312040830     439417800     48.9230
 201312040900     439419600     50.1746
 201312040930     439421400     49.8030
 201312041000     439423200     50.1309
 201312041030     439425000     48.8994
 201312041100     439426800     49.9716
 201312041130     439428600     51.1512
 201312041200     439430400     50.2436
 201312041230     439432200     51.5736
 201312041300     439434000     55.0899
 201312041330     439435800     50.5304
 201312041400     439437600     50.0249
 201312041430     439439400     49.7434
 201312041500     439441200     49.8515
 201312041530     439443000     47.3350
 201312041600     439444800     47.5932
 201312041630     439446600     47.7738
 201312041700     439448400     48.2250
 201312041730     439450200     49.2273
 201312041800     439452000     49.2537
 201312041830     439453800     48.3096
 201312041900     439455600     48.1752
 201312041930     439457400     48.5774
 201312042000     439459200     51.5866
 201312042030     439461000     50.5004
 201312042100     439462800     48.7463
 201312042130     439464600     48.5360
 201312042200     439466400     49.6918
 201312042230     439468200     49.9735
 201312042300     439470000     50.7314
 201312042330     439471800     51.1370