No. You'd have to either create a WeeWX extension that calculates
year-to-date rain and puts it in the database as a separate type, or create
an xtypes extension
<https://github.com/weewx/weewx/wiki/WeeWX-V4-user-defined-types>.

On Thu, Oct 8, 2020 at 1:42 PM Invisible Man <[email protected]>
wrote:

> *It works ! Indeed it had not been refreshed !*
>
> Now next question : the year grouping is for the last 12 months. Is there
> a way to get only data for a given year ?, e.g 2020. So if I'm in October,
> that'll be only 10 months of cumulated data.
>
> On Thursday, October 8, 2020 at 12:13:06 AM UTC+2 [email protected] wrote:
>
>> Are you sure you are looking at a new image? Images do not get refreshed
>> any longer than their aggregation interval, which, in this case, would be
>> once a week.
>>
>> Delete the image, wait for the next reporting cycle.
>>
>> On Wed, Oct 7, 2020 at 1:42 PM Invisible Man <[email protected]>
>> wrote:
>>
>>> Hmmm... looks like it doesn't change anything... ?
>>>
>>>        [[[yearrain]]]
>>>             yscale = None, None, 0.02
>>>             plot_type = bar
>>>             [[[[rain]]]]
>>>                 aggregate_type = cumulative
>>>                 # aggregate_interval = 2629800 # Magic number: the
>>> length of a nominal month
>>>                 aggregate_interval = 604800    # == 1 week
>>>                 label = Rain (weekly total)
>>>
>>>
>>> On Wednesday, October 7, 2020 at 1:40:39 AM UTC+2 [email protected]
>>> wrote:
>>>
>>>> Try
>>>>
>>>>  aggregate_type = cumulative
>>>>
>>>>
>>>>
>>>>
>>>> On Tue, Oct 6, 2020 at 11:49 AM Invisible Man <[email protected]>
>>>> wrote:
>>>>
>>>>> Hello,
>>>>>
>>>>> In Weewx, is it possible to generate a graph with cumulated bars? For
>>>>> example, for year's rain, you'd see rain in January, then rain of January 
>>>>> +
>>>>> February, then rain of January + February + March etc.
>>>>>
>>>>> In skin.conf,  I see this config. But tweaking the aggregate interval
>>>>> won't help me, because it won't sum the previous months... And plot_type
>>>>> only has bar, line or vector available.
>>>>>
>>>>> So, is this possible ?
>>>>> Thanks
>>>>>
>>>>> [[[yearrain]]]
>>>>>             yscale = None, None, 0.02
>>>>>             plot_type = bar
>>>>>             [[[[rain]]]]
>>>>>                 aggregate_type = sum
>>>>>                 # aggregate_interval = 2629800 # Magic number: the
>>>>> length of a nominal month
>>>>>                 aggregate_interval = 604800    # == 1 week
>>>>>                 label = Rain (weekly total)
>>>>>
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>>>>> .
>>>>>
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>>>
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