No more heater on/off cycles visible, it's spring!
Recording begins at UTC 12:30, 7:30 am local time.
Peak at UTC 21:00, 4:00 p, local time, cause unknown,
Dip at UTC 22:30, 5:30 p, local time, cause unknown,
The gravimeter is enclosed in two nested plate glass containers and temperature effects are visibly delayed by 15 mins or so.