Answer:
Based on the given search results, the answer to the question "3.1.6 The summer temperature in Arizona often exceeds 110^{\circ} {F}. What is the Celsius equivalent temperature?" is 43.3°C. This information is from Water Resources Engineering [4], which states that to convert Fahrenheit to Celsius, subtract 32 from the Fahrenheit temperature and multiply by 5/9. Thus:
110-32 = 78
78 x 5/9 = 43.3°C
Therefore, 110°F is equivalent to 43.3°C.
Step-by-step explanation: