Figure 10: Ridge temperature vs. outside ambient temperature for November 1998 – April 1999, 4 temperature readings per hour, 24 hours per day, after Tobiasson, (1998)

Figure 11: Ridge temperature vs. outside ambient temperature for November 1999 – January 2000, 4 temperature readings per hour, 24 hours per day, after Tobiasson (1998)

Figure 12: Outside and inside temperature, metal roof and ridge temperature readings for 8+9 December 1999 as typical days in a freeze-thaw cycle

Figure 13: Outside, inside, metal roof, ridge temperature readings 22+23 Dec 1999, typical warm period days, shows the impact of solar radiation on roof temperatures.

Figure 14: Outside, inside, metal roof and ridge temp readings for 12-14 Nov 1998 as documentation for change in temperature readings connected to snow shedding on 13 November 1998.

Figure 15. There is deep snow and cold weather at Sugar Bowl in mid winter. Although this is a steep metal surfaced roof, a great deal of snow and some ice is retained in late February 1998.

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