[dsg-hallb_rich] RICH aerogel storage drybox environment in September 2020

[Tyler Lemon]

Hello,

Since it's been a month, attached are plots showing the temperature and humidity in the aerogel dryboxes.

It looks like everything was normal with the exception of the period +/- a few days around September 21 where humidity was lower and temperature was higher in the drybox was higher than typical.

The period of lower humidity/higher temperature seems to correlate to a cold period we had weather-wise where temperatures were in the 50's over night (verified this using archived weather data from the National Weather Service). I am guessing that the EEL's heat turned on during this time, hence the higher temperature/lower humidity.

Just to sum everything up in only one sentence: the environment in the aerogel storage dryboxes has been consistent with previous months with the exception of a period of higher temperatures and lower humidity that was most likely caused by EEL's heat turning on during a period of cold weather that correlates to the change in drybox environment.

Tyler
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