code: def __getBarFC(pressure):
      
      if pressure is None:
          return 0
      press = __to_float1(pressure)
      if press < 974:
          return 1
      if press < 990:
          return 2
      if press < 1002:
          return 3
      if press < 1010:
          return 4
      if press < 1022:
          return 5
      if press < 1035:
          return 6
      return 7
docs: Parse the pressure and return FC (numerical).