Reading the Thermometer's History: Trend, Range, and What Warming or Cooling Means

A single day's score gives position; the history gives direction. How to read the 90-day range, what the warming slope means, the statistics of zone dwell time, and three practical ways to use the 400-day archive.

A single day's score gives position; the history gives direction. How to read the 90-day range, what the warming slope means, the statistics of zone dwell time, and three practical ways to use the 400-day archive.