In order to explain the rational behind the temperature model proposed in this paper, in Figure 1, the temperature data for Bangkok, Thailand from November 2013 to November 2015 is illustrated. It can be observed that Ts is a periodic function of time with a period of 1 year. Furthermore, Tm and Ts show a linear relationship. By combining these two observations, it is therefore hypothesized that the periodicity of Tm is induced from Ts through linear relationship. This hypothesis is different from the harmonic model proposed