% yyyymmddhhmm     segJulA     IWV  
%    (GMT)          (GMT)     kg/m2 
 201312100000     439905600     53.9231
 201312100030     439907400     54.4749
 201312100100     439909200     54.3676
 201312100130     439911000     55.2558
 201312100200     439912800     55.3694
 201312100230     439914600     54.4419
 201312100300     439916400     52.9477
 201312100330     439918200     51.3821
 201312100400     439920000     51.8906
 201312100430     439921800     50.0665
 201312100500     439923600     50.3453
 201312100530     439925400     49.3143
 201312100600     439927200     49.6237
 201312100630     439929000     49.9585
 201312100700     439930800     49.2263
 201312100730     439932600     48.8844
 201312100800     439934400     49.5974
 201312100830     439936200     50.5112
 201312100900     439938000     50.9510
 201312100930     439939800     50.1243
 201312101000     439941600     48.6938
 201312101030     439943400     48.1754
 201312101100     439945200     46.8217
 201312101130     439947000     47.9250
 201312101200     439948800     46.0437
 201312101230     439950600     44.5874
 201312101300     439952400     44.4636
 201312101330     439954200     46.4171
 201312101400     439956000     46.3910
 201312101430     439957800     46.5019
 201312101500     439959600     47.3504
 201312101530     439961400     48.4650
 201312101600     439963200     49.0046
 201312101630     439965000     48.9957
 201312101700     439966800     48.4755
 201312101730     439968600     49.8909
 201312101800     439970400     49.8696
 201312101830     439972200     48.5602
 201312101900     439974000     49.5983
 201312101930     439975800     48.0077
 201312102000     439977600     49.0378
 201312102030     439979400     49.5139
 201312102100     439981200     51.2383
 201312102130     439983000     54.4049
 201312102200     439984800     53.2611
 201312102230     439986600     53.5167
 201312102300     439988400     53.5996
 201312102330     439990200     53.4833