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Smoothed time series of RH and temperature. Average RH (a) and temperature (b) recorded by all probes (except #1) during one year (day 0 corresponds to July 23rd 2008). The time series was smoothed using a moving average with a window size of one day. Horizontal lines in red correspond to the ranges recommended by the standard DM 10/2001 for the conservation of mural paintings.
