EN
The annual temperature curve, including peculiar days, consisting of a weather calendar, gives valuable data which allow to study climate because it reveals its primary structure. Unfortunately, climatological literature scarcely represents this type of scientific description. Nowadays, however, modern climatology changes its research direction from an analytic one - characteristic for climatology in the post- to synthetic-complex one, based on the investigation of functional relations described with the help of older classical climatology methods. Obviously, not every element is of equal importance. Some of them are of lesser importance because of their heterogeneous origin, for example the average temperature (rise or drop may be caused by different atmospheric phenomena), other elements give, however, valuable factual data (for exemple, day to day temperature variation, precipitation frequency, cloudiness). These elements are more or less valuable weather indicators.