[rrd-users] graphing question

[Per Jessen]

I'm measuring temperature at regular intervals all day.  Graphing that is of course easy -
but I'd also like to see a graph over e.g. 30days or longer indicating how many hours per
day the temperature was above 24C.  (or some other arbitrary number).  How do I go about
that?


/Per Jessen, Zürich


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