% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201209030000     399902400     49.8299
 201209030030     399904200     50.7568
 201209030100     399906000     49.1194
 201209030130     399907800     47.5737
 201209030200     399909600     46.2570
 201209030230     399911400     45.4623
 201209030300     399913200     45.3326
 201209030330     399915000     44.9272
 201209030400     399916800     44.5312
 201209030430     399918600     47.2399
 201209030500     399920400     44.7605
 201209030530     399922200     45.3763
 201209030600     399924000     45.3823
 201209030630     399925800     46.6696
 201209030700     399927600     45.1161
 201209030730     399929400     45.7069
 201209030800     399931200     44.9990
 201209030830     399933000     43.9774
 201209030900     399934800     43.3200
 201209030930     399936600     42.9769
 201209031000     399938400     42.8621
 201209031030     399940200     43.1168
 201209031100     399942000     43.7818
 201209031130     399943800     44.9666
 201209031200     399945600     45.5041
 201209031230     399947400     46.1816
 201209031300     399949200     48.3316
 201209031330     399951000     48.2683
 201209031400     399952800     49.0806
 201209031430     399954600     49.3369
 201209031500     399956400     49.9017
 201209031530     399958200     50.2038
 201209031600     399960000     50.0731
 201209031630     399961800     49.1992
 201209031700     399963600     49.2477
 201209031730     399965400     49.9704
 201209031800     399967200     48.2024
 201209031830     399969000     48.9924
 201209031900     399970800     49.1379
 201209031930     399972600     50.0564
 201209032000     399974400     48.2492
 201209032030     399976200     48.5824
 201209032100     399978000     47.1858
 201209032130     399979800     45.9082
 201209032200     399981600     43.5737
 201209032230     399983400     43.1803
 201209032300     399985200     42.6064
 201209032330     399987000     43.5776