Fig. 4: Monthly statistical comparison of temperature and relative humidity fluctuations inside Cave 71 and outdoors from 2019 to 2021.
From: Impact of open visits on the indoor climate of Mogao Caves

a–c Box plots of monthly temperature inside Cave 71 and outdoors from 2019 to 2021, d–f Box plots of monthly relative humidity inside Cave 71 and outdoors from 2019 to 2021.