This example represents a 6-hour maximum of a field valid on 20120103 00Z produced by a forecast started on 20120101 00Z . In this example, the maximum is the 6-hourly maximum in the time interval: steps 42 to 48.
- In bold, the values are fixed. They are meant to be used by all partners
- In green, these are the values for the example.
| Time (Maximum over the last 6 hours ) | |||
|---|---|---|---|
| Start of forecast ( section 1 ) | |||
Octets | values | Meaning of values | |
| 12 | Significance of Reference Time | 1 | Start of forecast |
| 13-14 | Year (four digits) | 2012 | year of start of forecast |
| 15 | Month | 01 | month of start of forecast |
| 16 | Day | 01 | day of start of forecast |
| 17 | Hour | 00 | hour of start of forecast |
| Maximum ( section 4 ) | |||
| 18 | Indicator of unit of time range | 1 | Hour |
| 19-22 | Forecast time | 42 | Step at the beginning of the 6-hourly interval |
| 38-39 | year of end of overall time interval | 2012 |
End of maximum period |
| 40 | month of end of overall time interval | 01 | |
| 41 | day of end of overall time interval | 03 | |
| 42 | hour of end of overall time interval | 00 | |
| 45 | number of time ranges | 1 | Only one time statistics applied (maximum) |
| 46-49 | total number of data values missing in statistical process | 0 | |
| 50 | Statistical process used to calculate the processed field from the field at each time increment during the time range | 2 | Maximum |
| 51 | Type of time increment between successive fields used in the statistical processing | 2 | Successive times processed have same start time of forecast, forecast time is incremented |
| 52 | Indicator of unit of time for time range over which statistical processing is done | 1 | Hour |
| 53-56 | Length of the time range over which statistical processing is done, in units defined by the previous octet | 6 | 6-hourly maximum |
| 57 | Indicator of unit of time for the increment between the successive fields used | 1 | Hour |
| 58-61 | Time increment between successive fields, in units defined by the previous octet | 0 | Maximum computed continuously in the 6 hourly interval |