% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201207030000     394545600     39.9871
 201207030030     394547400     40.1969
 201207030100     394549200     40.3572
 201207030130     394551000     40.1515
 201207030200     394552800     39.8602
 201207030230     394554600     38.9209
 201207030300     394556400     39.2011
 201207030330     394558200     38.4944
 201207030400     394560000     38.2443
 201207030430     394561800     38.8975
 201207030500     394563600     40.0273
 201207030530     394565400     39.0880
 201207030600     394567200     38.8593
 201207030630     394569000     39.4543
 201207030700     394570800     38.5548
 201207030730     394572600     39.0166
 201207030800     394574400     39.8097
 201207030830     394576200     40.6768
 201207030900     394578000     41.5925
 201207030930     394579800     41.6779
 201207031000     394581600     42.9086
 201207031030     394583400     42.9817
 201207031100     394585200     42.7795
 201207031130     394587000     43.2458
 201207031200     394588800     43.7576
 201207031230     394590600     44.4545
 201207031300     394592400     44.5213
 201207031330     394594200     45.2132
 201207031400     394596000     46.1915
 201207031430     394597800     48.3810
 201207031500     394599600     48.7895
 201207031530     394601400     48.9597
 201207031600     394603200     48.1094
 201207031630     394605000     49.5465
 201207031700     394606800     49.2480
 201207031730     394608600     49.4468
 201207031800     394610400     48.1221
 201207031830     394612200     49.5217
 201207031900     394614000     49.1645
 201207031930     394615800     51.9730
 201207032000     394617600     52.3629
 201207032030     394619400     51.8933
 201207032100     394621200     52.1158
 201207032130     394623000     51.7703
 201207032200     394624800     51.2333
 201207032230     394626600     50.6627
 201207032300     394628400     48.4370
 201207032330     394630200     45.3765