On Fri, Mar 25, 2011 at 6:54 PM, John Caron <[email protected]> wrote:

>  On 3/22/2011 6:53 AM, John Caron wrote:
>
> Consider:
>
>    int time(sample=1001);
>      :long_name = "Measurement time";
>      :standard_name = "time";
>      :units = "days since 1970-01-01";
>
> vs
>
>    int time(sample=1001);
>      :long_name = "Measurement time";
>      :standard_name = "time";
>      :units = "3 days since 1970-01-01";
>
> values = 1, 2, 3, ...
>
> are these equivalent or does the second one mean every 3 days ? Is the
> second one illegal ?
>
>
> Im am going to assume that the second form is illegal, that is, you may not
> have a number in front of the unit in a "time coordinate unit" (CF section
> 4.4)
>

I wish you wouldn't.  We use that all the time, though mostly for 365_day
calendars.

Benno


> _______________________________________________
> CF-metadata mailing list
> [email protected]
> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
>
>


-- 
Dr. M. Benno Blumenthal          [email protected]
International Research Institute for climate and society
The Earth Institute at Columbia University
Lamont Campus, Palisades NY 10964-8000   (845) 680-4450
_______________________________________________
CF-metadata mailing list
[email protected]
http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata

Reply via email to