1                    2              3      4      5     6    7      8      9           10 11  12  13  14     15  16      17      18      19      20    21     
===================  =============  =====  =====  ====  ===  =====  =====  ==========  =  ==  ==  ==  =====  ==  ======  ======  ======  ======  ====  ====== 
1972-06-07T00:00:10  2441475.50012  -99.9  -9.99  -999  -99  -99.9  -99.9      524930  0   0   1   1  -99.9   2     8.0     2.0  -999.9  -999.9  9.99  -999.9