I own a few acres of desert property in Southern New Mexico and have often wondered what the underground temperature would be about 6 feet below the surface in this region. Summers can be quite hot and winters are fairly mild, so digging into the ground might be a good way to develop a residence that would be pleasant all year round, with very little additional energy input. To test this theory out, I thought that somehow burying a recording thermometer deep under ground would provide useful information.

Many people have asked about burying earthbag domes, and unfortunately I know of few actual examples of doing this. So I thought that a fun and informative experiment would be to build a small earthbag dome underground on our property, place the recording thermometer inside, and completely close it up for a year.
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