I have just realized I probably misspoke and invented a problem!
I made a mistake of looking the start time of the graph and assuming it to be
27 hours ago! It is not since graph steps in 3 hours intervals.
Since I was working on this some time between other things I do, timeline (my
reports) c
Thanks to Andrew Milner, I can now fix wrong min/max lines using span with
delta. Now min/max correspond mostly with the graphs above them. Good thing
WeeWX is almost escellent and almost anything can be achieved with it. So,
I am expecting this should be fixable.
Using span delta, I am getting