# Code table 1.0 - GRIB master tables version number
0 0 Experimental
1 1 Version implemented on 7 November 2001
2 2 Version implemented on 4 November 2003
3 3 Version implemented on 2 November 2005
4 4 Version implemented on 7 November 2007
5 5 Version implemented on 4 November 2009
6 6 Version implemented on 15 September 2010
7 7 Version implemented on 4 May 2011
8 8 Version implemented on 2 November 2011
9 9 Version implemented on 2 May 2012
10 10 Version implemented on 7 November 2012
11 11 Version implemented on 8 May 2013
12 12 Version implemented on 14 November 2013
13 13 Version implemented on 7 May 2014
14 14 Version implemented on 5 November 2014
15 15 Version implemented on 6 May 2015
16 16 Version implemented on 11 November 2015
17 17 Version implemented on 4 May 2016
18 18 Version implemented on 2 November 2016
19 19 Version implemented on 3 May 2017
20 20 Version implemented on 8 November 2017
21 21 Version implemented on 2 May 2018
22 22 Version implemented on 7 November 2018
23 23 Version implemented on 15 May 2019
24 24 Version implemented on 6 November 2019
25 25 Version implemented on 6 May 2020
26 26 Version implemented on 16 November 2020
27 27 Version implemented on 15 June 2021
28 28 Version implemented on 15 November 2021
29 29 Pre-operational to be implemented by next amendment
# 30-254 Future versions
255 255 Missing
