grib/src/main/java/ucar/nc2/grib/grib1/tables/NcepTables.java
@Override
  public GribStatType getStatType(int timeRangeIndicator) {

    switch (timeRangeIndicator) {
      case 128:
      case 129:
      case 130:
      case 131:
      case 132:
      case 133:
      case 137:
      case 138:
      case 139:
      case 140:
        return GribStatType.Average;
      case 134:
        return GribStatType.RootMeanSquare;
      case 135:
      case 136:
        return GribStatType.StandardDeviation;
      default:
        return super.getStatType(timeRangeIndicator);
    }
  }
@Override
  public GribStatType getStatType(int timeRangeIndicator) {

    switch (timeRangeIndicator) {
      case 128:
      case 129:
      case 130:
      case 131:
      case 132:
      case 133:
      case 137:
      case 138:
      case 139:
      case 140:
        return GribStatType.Average;
      case 134:
        return GribStatType.RootMeanSquare;
      case 135:
      case 136:
        return GribStatType.StandardDeviation;
      default:
        return super.getStatType(timeRangeIndicator);
    }
  }
@ Override public GribStatType getStatType ( int timeRangeIndicator ) { switch ( timeRangeIndicator ) { case 128 : case 129 : case 130 : case 131 : case 132 : case 133 : case 137 : case 138 : case 139 : case 140 : return GribStatType . Average ; case 134 : return GribStatType . RootMeanSquare ; case 135 : case 136 : return GribStatType . StandardDeviation ; default : return super . getStatType ( timeRangeIndicator ) ; } }
http://www.nco.ncep.noaa.gov/pmb/docs/on388/table5.html
http : // www . nco . ncep . noaa . gov / pmb / docs / on388 / table5 . html