Temperature as a function of radius within the 70% emitting region of the H₂O 17_7,10−16_4,13 (6371 K), 11_3,9−10_0,10 (2438 K), and 8_3,6−7_0,7 (1447 K) lines (solid red, pink, and blue lines) for the model using the chemical network (left panel) and the model using parameterized abundances (right panel) with the excitation calculated in LTE. The red, pink, and blue crosses represent the retrieved T and R_eq from the single-temperature slab fits in the 10-14, 13.5-17.5, and 21-24 μm regions. The opaque crosses represent the fits done on the LTE-excitation models, and the faded crosses represent those done on the non-LTE excitation models (corresponding to the fits shown in Fig. 3).