An aggregate_interval of 365.25 / 12 * 24 * 3600 = 2629800 is a "magic number" and recognized by WeeWX as a nominal month.
The example you gave should get you what you want: monthly highs, lows, and averages. On Sun, Nov 29, 2020 at 10:10 AM Karen K <[email protected]> wrote: > To create a diagramm I have to set a value for "aggregate_interval" in > seconds. That works fine for days and weeks, as they are always the same > length in seconds. In contrast, months have a variable length of 28, 30, or > 31 days. Even 29 days are possible sometimes. So, is there a possibility to > aggregate by calendar month? > > And then, it is not sure, that the aggregation interval starts at the > beginning of a month. > Is there any possibility to force that? > > Example: > [[[yearhilowmonth]]] > time_length = 31536000 # 365 days > aggregate_interval = 2629800 # month? > line_gap_fraction = None > [[[[hi]]]] > data_type = outTemp > aggregate_type = max > label = month max > [[[[low]]]] > data_type = outTemp > aggregate_type = min > label = min > [[[[avg]]]] > data_type = outTemp > aggregate_type = avg > label = average temperature > > -- > You received this message because you are subscribed to the Google Groups > "weewx-user" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/weewx-user/fff1ce23-4428-4fea-bf8d-165b95c27624n%40googlegroups.com > <https://groups.google.com/d/msgid/weewx-user/fff1ce23-4428-4fea-bf8d-165b95c27624n%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- You received this message because you are subscribed to the Google Groups "weewx-user" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/weewx-user/CAPq0zECVVuxSjwAE%3DahPYXme1RJrRfnc8K4OyrR2m8tPipnv3A%40mail.gmail.com.
