Omerli Dam is the largest dam supplying Istanbul, Türkiye, and is located on the Anatolian side. The dataset consists of daily occupancy rates of Istanbul’s dams, retrieved in March 2026 from Istanbul Metropolitan Municipality datasets website https://data.ibb.gov.tr/en.
OmerliDamA numeric vector of length 95, representing monthly average occupancy rates.
Istanbul Metropolitan Municipality Open Data Portal https://data.ibb.gov.tr/en. Licensed under CC BY 4.0.
The data span the period from late October 2000 to mid-February 2024. Monthly average occupancy rates are computed based on the daily data for the period September-December of each year, resulting in a total of 95 observations.