Karl,
Ah, I see what you mean! Curse year boundaries! A pox on climatologies!
The actual coverage (min to max date) for that first entry is
"2000-01-01" to "2010-03-01", but that screws up the indication of the
seasonal range. I'd tend to go with the tighter starting and ending
dates, but you definitely need a note somewhere about the actual date
range used.
Grace and peace,
Jim
On 2/11/16 1:25 PM, Karl Taylor wrote:
> Hi Jim,
>
> I considered that, but doesn't that indicate to someone who isn't
> already aware of the actual time-period covered that data was used
> starting 2000-12-01 and ending in 2010-03-01, even though data from
> the months 2000-01 and 2000-02 and 2010-12 also were included in
> computing the climatologies?
>
> best regards,
> Karl
>
> On 2/11/16 10:15 AM, Jim Biard wrote:
>> Karl,
>>
>> I think you should be able to handle this in the bounds variable. If
>> you write the first entry as "2000-12-1", "2010-03-01", doesn't that
>> describe things correctly?
>>
>> Grace and peace,
>>
>> Jim
>>
>> On 2/10/16 6:37 PM, Karl Taylor wrote:
>>> Dear CF community,
>>>
>>> In representing the seasonal climatology based on data available for
>>> the period January 1, 2000 through December 31 2010, what would be
>>> the correct climatology_bounds?
>>>
>>> climatology_bounds = "1999-12-1", "2011-3-1",
>>> "2000-3-1", "2010-6-1",
>>> "2000-6-1", "2010-9-1",
>>> "2000-9-1", "2010-12-1" ????
>>>
>>> I would note that this seems to capture the idea that we are
>>> reporting seasonal means, but it also seems to indicate that this is
>>> based in part on data from Dec. 1999 and Jan.-Feb. 2011, when it
>>> isn't. Is this the best I can do? [Of course the convention can
>>> never tell us if data are complete in forming a climatology. If 1
>>> year were missing, this would not affect the attributes.]
>>>
>>> I suppose the in the cell_methods attribute ("time: mean over days
>>> time: mean over years" I could add non-standardized information (as
>>> permitted by CF), for example: "time: mean over days time: mean
>>> over years (with data from the period 2000-1-1 to 2011-1-1)"
>>>
>>> thanks for any suggestions,
>>> Karl
>>>
>>>
>>>
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>>
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CICS-NC <http://www.cicsnc.org/> Visit us on
Facebook <http://www.facebook.com/cicsnc> *Jim Biard*
*Research Scholar*
Cooperative Institute for Climate and Satellites NC <http://cicsnc.org/>
North Carolina State University <http://ncsu.edu/>
NOAA National Centers for Environmental Information <http://ncdc.noaa.gov/>
/formerly NOAA?s National Climatic Data Center/
151 Patton Ave, Asheville, NC 28801
e: jbiard at cicsnc.org <mailto:jbiard at cicsnc.org>
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Received on Thu Feb 11 2016 - 12:05:17 GMT
