Hi Andreas,
the export script for the data from Meteobridge Pro is:
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# modified Standard CSV template with data in metric units for daily weather34 export for monthly and yearly csv files
#
$# date, temperature[C] max, temperature[C] min, dew point[C] max,dew point[C] min,raintotal, max gust speed[m/s], max avg wind speed[m/s], avg temp out, max sealevel pressure[hPa], min sealevel pressure[hPa]
[D] [MM:],[th0temp-max.1:],[th0temp-min.1:],[th0dew-max.1:],[th0dew-min.1:],[rain0total-sum.1:],[wind0wind-max.1:],[wind0avgwind-max.1:],[th0temp-avg:],[thb0seapress-max.1:],[thb0seapress-min.1:]
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in the Services--Events Tab choose a new event (Data export), event type (specific time - choose any, doesn't matter), time frame (current year or previous year) resolution (days), template - save that template above with a name of your choice and the extension .exp to the \\METEOBRIDGE\data\exports folder. You can run it just as Test, don't need to wait for the time chosen (you have sort of to trick the "structure")
afterwards you have to load the export file into an editor and exchange the month number by month abbreviations:
" 01" to " Jan" etc.
Somehow MB didn't want to translate [MMM] into Jan, Feb, Mar etc. even though as per the template description in the Wiki it should do so. Therefore I exported the month number and later on replaced it by the 3-letter month acronym.
Then save the lines for one month to the respective month.csv file and add the day lines to the whole year lines in the 2020.csv (current year) or 2019.csv (previous year) files - these files are supposed to be in the ../Weather34/Weather34charts/ directory whereas the month.csv files are supposed to be in the ../Weather34/Weather34charts/2020 or ../Weather34/Weather34charts/2019 directory.
And, as far as I know, if you want to import data from 2019, you have to choose this in the setup of Weather34. Otherwise you won't get a button to select the previous year.