SciTools/iris — pull request #149 by bblay (2012-10-09 14:44:28+00:00)
Title: Grib hindcast workaround

Works around the grib api problem with hindcast periods.
https://software.ecmwf.int/issues/browse/SUP-243

Works on our patched 1.9.9 api and vanilla 1.9.16.
Assumed to work on unpatched 1.9.9 too.