Orchidarium Min-Max Humidity

This chart shows the minimum and maximum humidity over the last 3 months inside this Orchidarium. You can see that due to the morning misting and then the fan running to circulate air, there’s a daily variation of 10-15%.
Other things to note:
– the big drops in minimum humidity indicate times when the orchidarium doors are open – either for plant maintenance, or for longer periods spent photographing the orchids!
– The max humidity increases slightly in November; a few of the plants were wanting a little more moisture as they settled in, so I increased the misting period slightly and made it earlier in the morning when the temperature is cooler, so increasing the max humidity.

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