@scalz Maybe this: https://en.wikipedia.org/wiki/Net_radiometer I'm not sure if it's overkill, but it does look like it would do the job. :)

Maybe its broke.... The China stuff is not everytime the same quality :D Do you have another one?

@hek The capacitor addition seems to be helping. So far 9 hours and all the values are updating as they should YAY! I'll continue to monitor but i'm hopeful that this is the solution.