Python dictionary columns of 'his' file with explanatory descriptions.

dict_his.py

{'datetime':'Timestamp: date and time (ISO8601)',
'Tp': 'the peak period (the reciprocal of the peak frequency) [s]',
'Dirp': 'the wave direction at the peak frequency [°]',
'Sprp': 'the directional spread at the peak frequency [°]',
'Tz': 'the zero-upcross period [s]',
'Hs': 'the significant wave height [cm]',
'TI': 'the integral period, or Tm(-2,0) [s]',
'T1': 'the mean period, or Tm(0,1) [s]',
'Tc': 'the crest period, or Tm(2,4) [s]',
'Tdw2': 'wave period Tm(-1,1) [s]',
'Tdw1': 'peak period estimator [s]',
'Tpc': 'calculated peak period [s]',
'nu': 'Longuet-Higgins bandwidth parameter [-]',
'eps': 'bandwidth parameter [-]',
'QP': 'Goda’s peakedness parameter [-]',
'Ss': 'significant steepness [-]',
'Tref': 'reference temperature []',
'Tsea': 'Sea surface temperature []',
'Bat': 'battery status (0 = empty to 7 = full)'}