{
  "_id": "4.161",
  "name": "Product definition template 4.161 - Derived forecasts based on all ensemble members at a horizontal level or in a horizontal layer in a continuous or non-continuous time interval for waves selected by period range",
  "values": [
    {
      "CONTENTS": "63-74   Specification of the outermost (or only) time range over which statistical processing is done",
      "_id": null,
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "75-nn   These octets are included only if n > 1, where nn = 63 + 12 x n",
      "_id": null,
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Parameter category",
      "_id": "10",
      "note": "4.1",
      "status": "Operational"
    },
    {
      "CONTENTS": "Parameter number",
      "_id": "11",
      "note": "4.2",
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of wave period interval",
      "_id": "12",
      "note": "4.91",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of lower wave period limit",
      "_id": "13",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of lower wave period limit",
      "_id": "14-17",
      "note": "(see Note 1)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of upper wave period limit",
      "_id": "18",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of upper wave period limit",
      "_id": "19-22",
      "note": "(see Note 1)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of generating process",
      "_id": "23",
      "note": "4.3",
      "status": "Operational"
    },
    {
      "CONTENTS": "Background generating process identifier (defined by originating centre)",
      "_id": "24",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Analysis or forecast generating process identifier (defined by originating centre)",
      "_id": "25",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Hours of observational data cut-off after reference time",
      "_id": "26-27",
      "note": "(see Note 2)",
      "status": "Operational"
    },
    {
      "CONTENTS": "Minutes of observational data cut-off after reference time",
      "_id": "28",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Indicator of unit of time range",
      "_id": "29",
      "note": "4.4",
      "status": "Operational"
    },
    {
      "CONTENTS": "Forecast time in units defined by previous octet",
      "_id": "30-33",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of first fixed surface",
      "_id": "34",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of first fixed surface",
      "_id": "35",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of first fixed surface",
      "_id": "36-39",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of second fixed surface",
      "_id": "40",
      "note": "4.5",
      "status": "Operational"
    },
    {
      "CONTENTS": "Scale factor of second fixed surface",
      "_id": "41",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Scaled value of second fixed surface",
      "_id": "42-45",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Derived forecast",
      "_id": "46",
      "note": "4.7",
      "status": "Operational"
    },
    {
      "CONTENTS": "Number of forecasts in ensemble",
      "_id": "47-50",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Year - time of end of overall time interval",
      "_id": "51-52",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Month of end of overall time interval",
      "_id": "53",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Day of end of overall time interval",
      "_id": "54",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Hour of end of overall time interval",
      "_id": "55",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Minute of end of overall time interval",
      "_id": "56",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Second of end of overall time interval",
      "_id": "57",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "n - number of time range specifications describing the time intervals used to calculate the statistically processed field",
      "_id": "58",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Total number of data values missing in statistical process",
      "_id": "59-62",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Statistical process used to calculate the processed field from the field at each time increment during the time range",
      "_id": "63",
      "note": "4.10",
      "status": "Operational"
    },
    {
      "CONTENTS": "Type of time increment between successive fields used in the statistical processing",
      "_id": "64",
      "note": "4.11",
      "status": "Operational"
    },
    {
      "CONTENTS": "Indicator of unit of time for time range over which statistical processing is done",
      "_id": "65",
      "note": "4.4",
      "status": "Operational"
    },
    {
      "CONTENTS": "Length of the time range over which statistical processing is done, in units defined by the previous octet",
      "_id": "66-69",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Indicator of unit of time for the increment between the successive fields used",
      "_id": "70",
      "note": "4.4",
      "status": "Operational"
    },
    {
      "CONTENTS": "Time increment between successive fields, in units defined by the previous octet",
      "_id": "71-74",
      "note": "(see Notes 3 and 4)",
      "status": "Operational"
    },
    {
      "CONTENTS": "As octets 63 to 74, next innermost step of processing",
      "_id": "75-86",
      "note": null,
      "status": "Operational"
    },
    {
      "CONTENTS": "Additional time range specifications, included in accordance with the value of n. Contents as octets 63 to 74, repeated as necessary",
      "_id": "87-nn",
      "note": null,
      "status": "Operational"
    }
  ]
}