The spread in the global averages from various temperature datasets has been unusually large over the past two years or so. (climate.copernicus.eu)
The spread in the global averages from various temperature datasets was unusually large in 2016 and 2017, and some datasets rank 2017 colder than 2015. (climate.copernicus.eu)
Again, everyone is unique and responds differently, therefore it's best to simply try a few classes with various temperatures and styles of Yoga to find your perfect fit. (fitbodyhq.com)