Figure 6.

15 year mean temperature for each city: a) ${\overline{T}}_r$ versus ${\overline{T}}_u$, b) ${\overline{T}}_r$ versus ${\overline{T}}_a$, and ${\overline{T}}_u$ versus ${\overline{T}}_a$. The total least squares line is shown in solid black and the 1-1 line is dashed.