Mt.Tokachidake (Mt.Tokachi) 61
Temperature: minus 8 degrees Celsius at the Tokachidake Hot Springs (Tokachidake Onsen) and minus 10 degrees Celsius in the KTV (katabatic valley).
A radiative cooling was strong in the midnight. But at this hour, the sky was already covered with thin clouds and the temperature was rising. The snow on the road was well compacted. He did an interval training at the summit.
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