Record of 66 years in water year precipitation in Turkey

According to the information compiled from the 2026 Water Year 12-Month Spatial Cumulative Precipitation Report of the Ministry of Environment, Urbanization and Climate Change, General Directorate of Meteorology, an average of 741.6 kilograms of precipitation per square meter fell across Turkey in the 12-month period covering 1 October 2025-30 September 2026.

Türkiye's water year rainfall normal was recorded as 573.4 kilograms per square meter, and the 2025 water year rainfall amount was recorded as 422.5 kilograms.

Thus, the 2026 water year precipitation increased by 76 percent compared to the same period last year and by 29 percent compared to the long-term average, reaching the highest level in the last 66 years.

While rainfall decreased by up to 20 percent compared to normal in Edirne, Tekirdağ, Kırklareli, Bursa, Kastamonu, Malatya, Gümüşhane, Rize, Artvin, Erzurum and Bayburt, it increased by over 60 percent in Ayvalık, Antalya, Mersin, Siirt, Şırnak, Van and Hakkari.

Regional precipitation was above normal and last year in all 7 geographical regions of Türkiye.

Water year precipitation reached its highest level in the last 66 years in the Mediterranean Region, in the last 38 years in the Eastern Anatolia Region, in the last 15 years in the Central Anatolia Region, in the last 11 years in the Aegean Region and in the last 10 years in the Black Sea Region.

In the Southeastern Anatolia Region, water year rainfall exceeded 3 times that of last year.

The highest amount of rainfall throughout the province was recorded in Rize with 1641 kilograms per square meter, and the lowest amount was recorded in Iğdır with 396.1 kilograms.

Source: TRT Haber Açık RSS (Gündem) (Open Press / Translated Full Text)