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Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
Seasonal changes in air temperature (1) (green line—positive temperatures, blue line—negative temperatures) and daylight duration (2) in Northeastern Yakutia (the Pole of Cold the Northern Hemisphere) in 2019. Air temperature is represented by mean daily values.