What is the primary use of climographs?

The primary use of climographs is to summarize average temperature and precipitation for a specific location over a period of time. These graphical representations allow for an easy comparison of climatic conditions by displaying temperature as a line graph and precipitation as a bar graph. This combination enables viewers to quickly assess how temperature and rainfall patterns vary throughout the seasons or years. Climographs are particularly useful in geography to illustrate climatic zones and help understand the relationships between climate, vegetation, and human activities, such as agriculture and urban planning.

Other options, such as presenting geological data or analyzing economic development, do not align with the specific focus of climographs, which is solely on climate. Similarly, while human population growth might be visualized through various types of graphs, it is not the purpose of climographs.