Reservoirs drop for another week to 34.22% of their capacity, the lowest figure in almost 30 years

This is the lowest figure in 28 years, as a similar water reserve has not been remembered since 1994. same week of the year, number 37. At that time, the reservoirs were 34.91 percent and a year later, in 1995, they were still lower in the same week at 26.98 percent of their total capacity. These are the lowest numbers since registrations.

Reservoirs now store 3,659 cubic hectometers less (16%) compared to the situation a year ago and the difference from the decade’s average is 9,908 cubic hectometers less, representing a difference of 34.02 percent.

By region, reservoirs in the East Bay of Biscay remain at over half their total capacity of 69.9 percent; Western Cantabria, 57.5 percent; Galician Coast to 54.8 percent; Basque inland basins with 71.4 percent and Tinto, Odiel and Piedras with 65.9 percent.

Miño-Sil reservoirs store less than half of their 46.7 percent capacity; Duero, 35.8 percent; Tagus, 36.7 percent; Andalusian Mediterranean basin 40.5 percent; Safe, 35.2 percent; Jucar, 53.8 percent; The Ebro to 39.5 percent and the inner basins of Catalonia to 38.3 percent.

Three basins in worst condition Guadiana they are 23.9 percent; Guadalete-Barbate 24 percent and Guadalquivir 21 percent.

Precipitation this week has affected the Atlantic slope, but very little on the Mediterranean slope. The maximum amount occurred in Santiago de Compostela, where 58 liters per square meter were collected.

Data show that the reserve currently stores 3,659 cubic hectometers in less than a year; this represents a percentage of 9,908 cubic hectometers less, 16 percent and 34.02 percent lower than the decade’s average.

26% precipitation deficit

In this context, the latest data from the State Meteorological Institute (AEMET) covering the period of October 1, 2021 to September 6, 2022, In this hydrological year, which will end in three weeks, it rained 26 percent less than usual.

Specifically, from September 1, 2021, when the current hydrological year was published, to September 6, the normal average corresponding to that period was 603 liters per square meter, while an average of 445 liters per square meter of rain fell. metre.

By region, below normal precipitation fell at the points of the Cantabrian coast over most of the Peninsula and the Canary Islands, except for a strip of Levante stretching from the south of Almería to the Ebro delta. Pitiusas and northeast of the island of Mallorca.

Between 31 August and 6 September, rains affected the Galician and Cantabrian coasts, the northeastern quarter of the Peninsula, the westernmost of the Canary Islands, parts of the Balearic archipelago and, to a lesser extent, the semi-eastern part of Andalusia.

During this period, more than 10 liters per square meter accumulated in the western end of the Galician community, in Catalonia and north of Huesca, in the larger relief areas of the islands of La Palma, Tenerife and La Gomera, and in larger areas. East of the Balearic Islands of Majorca and Minorca.