Looks like my rim got to 138C, maybe 143C.
This would have been on the descent from Copernicus Peak (backside of Mt. Hamilton).
Exposure mode: program (auto)
Metering Mode: matrix
Exposure time: 0.0029 s (1/350)
Focal length: 8.0mm (35mm equivalent: 37mm)
File size: 699016 bytes
Camera maker: FUJIFILM
Camera model: FinePix F10
Resolution: 1568 x 1045