% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201204040000     386769600     51.5387
 201204040030     386771400     52.5098
 201204040100     386773200     53.9864
 201204040130     386775000     53.4636
 201204040200     386776800     53.6263
 201204040230     386778600     52.7694
 201204040300     386780400     51.9210
 201204040330     386782200     52.3115
 201204040400     386784000     53.4911
 201204040430     386785800     55.0906
 201204040500     386787600     54.3317
 201204040530     386789400     55.4435
 201204040600     386791200     54.7130
 201204040630     386793000     54.9334
 201204040700     386794800     54.3510
 201204040900     386802000     54.4243
 201204040930     386803800     54.5315
 201204041000     386805600     54.7057
 201204041030     386807400     54.3430
 201204041100     386809200     53.7748
 201204041130     386811000     54.3282
 201204041200     386812800     53.7656
 201204041230     386814600     53.1115
 201204041300     386816400     52.8607
 201204041330     386818200     53.6169
 201204041400     386820000     53.9728
 201204041430     386821800     53.7756
 201204041500     386823600     53.9097
 201204041530     386825400     53.0441
 201204041600     386827200     54.5539
 201204041630     386829000     53.8681
 201204041700     386830800     52.9139
 201204041730     386832600     53.4474
 201204041800     386834400     53.0551
 201204041830     386836200     52.7338
 201204041900     386838000     55.0635
 201204041930     386839800     55.5758
 201204042000     386841600     55.5421
 201204042030     386843400     54.5350
 201204042100     386845200     55.6183
 201204042130     386847000     54.0474
 201204042200     386848800     54.7006
 201204042230     386850600     53.5545
 201204042300     386852400     53.6102
 201204042330     386854200     53.2813