Following observations have ben made for the elevation and temperature to ascertain the stability of the atmosphere:

$$\begin{array}{|c|c|} \hline \text{Elevation (in m) } & \text{Temperature (in }^{\circ} \text{C)} \\ \hline 10 & 15.5 \\ \hline 60 & 15.0 \\ \hline 130 & 14.3 \\ \hline \end{array}$$

The atmosphere is classified as

- Stable
- Unstable
- Neutral
- Inverse