Century of climbers’ notes from alpine shelter offer glimpse of changing peaks

According to Sole, it is an essential aspect of the job. Conditions on a mountain vary from day to day and change throughout the season.

These are the patterns he has become accustomed to. At the beginning of the season, there is a lot of snow and corniced ridges. Eventually, this snow melts away, and the same climb is on rock instead of powder.

“It’s a living…