If you don't want a constant baseline temperature of, say, 18C in the home then you can make adjustments to the weekly schedule with variable temperature thresholds (from 9 - 32C) at different times of day and the thermostat will kick - in accordingly. (pocket-lint.com)
California has recently seen an uptick in extreme heat events and warmer baseline temperatures, driven by climate change. (climatesignals.org)
Baseline temperature averages issued by government scientists this week indicate that temperatures across the United States were half a degree warmer on average from 1981 to 2010 than they were from 1971 to 2010. (blogs.sierraclub.org)