Seasonal graphs show the evolution of meteorological variables over a given climatological season together with the evolution of the 1991-2020 normal for the same variable in the same season.
In the case of temperatures, the evolution of the daily maximum and minimum temperatures is shown superimposed on the adjusted curves of the average daily maximum and minimum temperatures for the period 1991-2020.
For precipitation, the evolution of the accumulated precipitation in the climatological station is represented by a bar chart together with the evolution of the median accumulated precipitation in the period 1991-2020.
In addition to the graphs corresponding to the current climatological season, the graphs of the four previous seasons are kept, so that the evolution of the variables over the last twelve months can always be followed.
The graphs are updated daily with the data available at that moment in the Climatological Data Bank.