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. 2019 Sep 16;9:13357. doi: 10.1038/s41598-019-49902-7

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© The Author(s) 2019

Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.

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Humidex index in Rio de Janeiro during Meteorotropic experiment. Vertical lines show the 5–95 percentile intervals, dots are the mean and horizontal lines inside the boxes are the medians of Humidex. Black and gray boxes indicate summer and winter measurements, respectively. Colored stripes show comfort levels. Green: H < 29 – Little or no discomfort; Yellow: 30 < H < 34 – Noticeable discomfort; Orange: 35 < H < 39 – Evident discomfort; and, Red: 40 < H < 45 – Intense discomfort, avoid exertion. Data from Dec 01, 16 could not be recorded due to weather conditions.