# CODE TABLE 4.11, Type of time intervals
0 0 Reserved
1 1  Successive times processed have same forecast time, start time of forecast is incremented
2 2  Successive times processed have same start time of forecast, forecast time is incremented
3 3  Successive times processed have start time of forecast incremented and forecast time decremented so that valid time remains constant
4 4  Successive times processed have start time of forecast decremented and forecast time incremented so that valid time remains constant
5 5  Floating subinterval of time between forecast time and end of overall time interval
# 6-191 Reserved
# 192-254  Reserved for local use
255 255  Missing
