I've never used an imaging hosting service so picked one at random.

[img]https://imgur.com/a/DW4wL[/img]

I'm planning to take it out on a 2-night trip this weekend with a low temperature predicted between 35 and 50 (it could be about anything this far ahead this time of year) and may post results and a better picture then. In case it's not obvious, the can is mostly buried--necessary for stability and heat transfer from the warmer earth to the cooling can


Edited by 41253 (01/22/18 12:15 PM)
Edit Reason: It seems that although the Photobucket seemed to work at first now it doesn't. I'm leavivg the imgr link which requires an extra click but no subscription. Suggestions welcome