% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201206180000     393249600     51.1322
 201206180030     393251400     51.4173
 201206180100     393253200     51.0769
 201206180130     393255000     49.9838
 201206180200     393256800     49.0772
 201206180230     393258600     50.3660
 201206180300     393260400     49.3580
 201206180330     393262200     49.6403
 201206180400     393264000     47.8624
 201206180430     393265800     48.7324
 201206180500     393267600     48.8848
 201206180530     393269400     49.0446
 201206180600     393271200     48.8392
 201206180630     393273000     47.5971
 201206180700     393274800     46.7576
 201206180730     393276600     47.0854
 201206180800     393278400     46.8431
 201206180830     393280200     47.1169
 201206180900     393282000     46.8328
 201206180930     393283800     47.0197
 201206181000     393285600     47.2753
 201206181030     393287400     47.1603
 201206181100     393289200     46.9286
 201206181130     393291000     46.7494
 201206181200     393292800     47.2216
 201206181230     393294600     48.4384
 201206181300     393296400     49.0212
 201206181330     393298200     49.1199
 201206181400     393300000     49.5886
 201206181430     393301800     51.1393
 201206181500     393303600     50.8165
 201206181530     393305400     51.7538
 201206181600     393307200     51.5270
 201206181630     393309000     52.0781
 201206181700     393310800     51.8284
 201206181730     393312600     52.2222
 201206181800     393314400     50.9737
 201206181830     393316200     51.1209
 201206181900     393318000     51.8633
 201206181930     393319800     53.8632
 201206182000     393321600     51.9849
 201206182030     393323400     52.1638
 201206182100     393325200     53.2118
 201206182130     393327000     51.5236
 201206182200     393328800     52.0645
 201206182230     393330600     51.8960
 201206182300     393332400     52.9012
 201206182330     393334200     52.0779