1                    2              3      4      5     6    7      8      9           10 11  12  13  14     15  16      17      18      19      20    21     
===================  =============  =====  =====  ====  ===  =====  =====  ==========  =  ==  ==  ==  =====  ==  ======  ======  ======  ======  ====  ====== 
1975-06-05T00:00:55  2442568.50064  -99.9  -9.99  -999  -99  -99.9  -99.9      557066  0   0   0   0  -99.9   1     5.0     4.0     3.0     3.0  9.99  -999.9