# stepUnits table used for both grib 1 and 2
0 m Minute
1 h Hour
2 D Day
3 M Month
4 Y Year
5 10Y Decade (10 years)
6 30Y Normal (30 years)
7 C Century (100 years)
10 3h 3 hours
11 6h 6 hours
12 12h 12 hours
13 s Second
14 15m 15 minutes
15 30m 30 minutes
255 255 Missing