Dear all I agree with Seth. There is no requirement about how the grid point values should relate to the cell bounds.
Cheers Jonathan ----- Forwarded message from Seth McGinnis <[email protected]> ----- > From: Seth McGinnis <[email protected]> > To: Jim Biard <[email protected]>, "[email protected]" > <[email protected]> > X-Mailer: CommuniGate Pro WebUser v6.0.1 > Date: Mon, 18 Mar 2013 15:21:44 -0600 > Subject: Re: [CF-metadata] how to specify time dimension for monthly averages > > Um, I don't think that's true, actually. That's probably a sensible > convention > to follow in many cases, but I don't believe it's a CF requirement. (Or at > least, I never noticed it. If it is in there, we need to edit the spec to > make > it more prominent!) > > Cheers, > > --Seth > > On Mon, 18 Mar 2013 08:28:08 -0400 > Jim Biard <[email protected]> wrote: > >Andreas, > > > >The other thing to keep in mind regarding the time bounds (and other bounds > >variables, such as for X and Y or longitude and latitude) is that the upper > >bound is exclusive. The upper bound value is greater than the values in the > >interval. > > > >Grace and peace, > > > >Jim > > > >Jim Biard > >Research Scholar > >Cooperative Institute for Climate and Satellites > >Remote Sensing and Applications Division > >National Climatic Data Center > >151 Patton Ave, Asheville, NC 28801-5001 > > > >[email protected] > >828-271-4900 > > > >On Mar 15, 2013, at 5:45 PM, Andreas Hilboll <[email protected]> wrote: > > > >> Hi, > >> > >> I want to store monthly averages of gridded satellite measurements of > >> atmospheric trace gas columns. I'm wondering how I should specify the > >> time axis, i.e. set the time for each monthly aggregate to the first, or > >> the central, or the last day of the month. How should I specify that the > >> values are actually monthly averages? > >> > >> Thanks for your ideas! > >> Cheers, Andreas. > >> _______________________________________________ > >> CF-metadata mailing list > >> [email protected] > >> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata > > > > _______________________________________________ > CF-metadata mailing list > [email protected] > http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata ----- End forwarded message ----- _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
