$\begin{array}{1 1} (a)\; \text{Highest day temperature and lowest night temperature of the day} \\ (b)\; \text{Highest day temperature and highest night temperature of the month} \\ (c)\; \text{Temperature recorded at 12 noon and at mid night (00.00 hrs) } \\ (d)\; \text{Average highest temperature of day and average lowest temperature of night} \end{array}$
