Dear Nan I didn't suggest that everyone should use the centre-time for their time- coordinates. I suggested that the centre-time should be the recommended choice if there was no other clear way of deciding what was appropriate.
> As Benno mentioned, some instruments - not just old current meters, but > new ones, and most anemometers - still record a single direction and an > averaged speed. That is fine, I think, with the existing cell_methods. In that case the time coordinate variable would have bounds, but the cell_methods are different for the two variables. The instantaneous direction is a "point" in time, and the bounds aren't relevant, whereas the averaged speed is a time-mean, and the coordinates aren't relevant. However it does no harm to have both of them; they can be useful for graphical purposes, for instance. Best wishes Jonathan _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
