[Mis]understanding graph data

[birdfeedr]

meteohubgraphing.png (110.69 KiB) Viewed 3230 times

The screenshot shows result and graph definition, except for what you cannot see. Graph definition also sets Time Frame to Last 420 Days.

I do not understand why the daily temperature plot in green could be higher than the min/max range in red. This seems to occur from about June through October. I do notice in colder months the green line tends to hug the bottom of the min/max, but in summer months it exceeds the top of the min/max.

Question: how is a day's worth of data calculated to yield the daily temperature value, and why would it be higher than the day's max value?

Another question: Is it possible within Meteohub to sample and graph a month this year and compare it to the same month last year? I think the answer is no. Exporting data and analysis offline is the way to go.

[cgn]

You have different y-axes for min/max (-20°F to 120°F) and daily (0°F to 90°F).
When you use the same y-axis for both, it should be right

[wfpost]

also skyewright has provided a trick to have same scales left and right using same sensors on left and right panel

[birdfeedr]

You have different y-axes for min/max

Once it's pointed out, it's so obvious.

Thanks.