Over the past 40 years, an upward trend (0.4°C/decade) has been observ in the average temperature in the region, with this most recent hydrological year, 2022/23, standing out as the warmest in the 1980-2023 series.
Regarding the average annual precipitation for the 1980/81 to 2022/2023 series, it is confirm that it tends slightly downwards (-15 mm/decade) and a more significant change in its annual distribution is detect (-14 mm/decade), with a greater concentration of rainfall in late autumn and early winter and a decrease in rainfall in spring and summer.
This means longer
more frequent and more intense periods of prolong drought, as well as more numerous and extreme episodes of winter flooding.
As can be seen in the graph marc weldon go a bit overboard above, six periods of prolong drought have occurr in the demarcation so far in the 21st century, during the years 2002, 2005, 2007, 2012, 2017 and 2022. However, between 1980 and 2000, they only occurr in 1989, 1990 and 1992, although with less intensity and duration.
It is important to highlight that
just as the 2021/2022 hydrological year turn out to be very dry – the 2nd in the historical series after 2016/17 -! the beginning of the 2022/23 and 2023/24 hydrological years – October/November – have turn out to be among the wettest content creators should focus more on since 1980, and more specifically the beginning of the 2023/24 hydrological year with 552.07 l/m2 is the rainiest in the series! with 47.48% of the average agb directory annual rainfall record in these two months. During the first quarter of the hydrological year, the highest flows of this century were observ in some areas of the demarcation.