% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206180000     393249600     51.2682
 201206180030     393251400     51.5300
 201206180100     393253200     51.1232
 201206180130     393255000     51.8028
 201206180200     393256800     51.7347
 201206180230     393258600     50.6891
 201206180300     393260400     50.7491
 201206180330     393262200     50.5558
 201206180400     393264000     48.9082
 201206180430     393265800     48.5575
 201206180500     393267600     50.2433
 201206180530     393269400     50.9602
 201206180600     393271200     49.5976
 201206180630     393273000     49.0628
 201206180700     393274800     48.8824
 201206180730     393276600     48.3603
 201206180800     393278400     48.1305
 201206180830     393280200     48.2432
 201206180900     393282000     48.3797
 201206180930     393283800     49.3652
 201206181000     393285600     47.8692
 201206181030     393287400     47.5849
 201206181100     393289200     48.4007
 201206181130     393291000     47.7649
 201206181200     393292800     47.7761
 201206181230     393294600     48.1673
 201206181300     393296400     49.6229
 201206181330     393298200     50.6557
 201206181400     393300000     50.4099
 201206181430     393301800     51.9542
 201206181500     393303600     52.3029
 201206181530     393305400     53.8485
 201206181600     393307200     52.6468
 201206181630     393309000     53.0094
 201206181700     393310800     53.3107
 201206181730     393312600     52.0783
 201206181800     393314400     53.2326
 201206181830     393316200     52.8890
 201206181900     393318000     54.4311
 201206181930     393319800     54.0620
 201206182000     393321600     51.3961
 201206182030     393323400     52.2496
 201206182100     393325200     50.9778
 201206182130     393327000     50.8457
 201206182200     393328800     51.3941
 201206182230     393330600     51.7073
 201206182300     393332400     52.2582
 201206182330     393334200     53.0806