year  month  day  yrday_i  Year  Yday        MO  DA  HH  MM  SS  lrec_tsk  TSK_signal_mean  TSK_signal_median  TSK_signal_std  TSK_signal_length  Hs[m]  
2008  10     13   287      2008  287.947593  10  13  22  44  32  9269      1.00             1.00               0.000           9269               0.08  
2008  10     13   287      2008  287.958333  10  13  23  00  00  11997     1.00             1.00               0.000           11990              0.08  
2008  10     13   287      2008  287.972222  10  13  23  20  00  11996     1.00             1.00               0.000           11994              0.08  
2008  10     13   287      2008  287.986111  10  13  23  40  00  11996     1.00             1.00               0.000           11996              0.08