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. 2015 Apr 29;10(4):e0124758. doi: 10.1371/journal.pone.0124758

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© 2015 Liu, Zhang

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited.

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Fig 3 — Regardless of the weather, the UVA and UVB intensities were highest at 12:00 each day. There were significant differences in the UVA intensity among the three types of weather; the UVA and UVB intensities peaked on clear days and were lowest on overcast days.