{"access":"sample","sample":true,"sample_size":8,"observations_total":8,"signal":"danube-record-low-maize-corridor-2026","key":"ruse-level-cm","family":"PHYSICAL","variable":"Danube water level at gauge Ruse (km 495.60), daily reading as published in the EAEMDR water-level statistics table (eight most recent days), cm relative to gauge zero 11.80 m (Baltic-Kronstadt)","unit":"cm","geography":"BG-18","publisher":"appd-bg","source_url":"https://www.appd-bg.org/statistic-en","source_sha256":"fc57e62d429ef286484a4992c4313b36ecfb26701dd5f5fe20b18bb3a86fca8a","collected_at":"2026-11-01T15:45:56+01:00","period_grain":"day","derived":null,"rights":"OPEN_ATTRIBUTION","observations_withheld":false,"observations":[{"period":"2026-10-25","value":-133},{"period":"2026-10-26","value":-134},{"period":"2026-10-27","value":-134},{"period":"2026-10-28","value":-130},{"period":"2026-10-29","value":-128},{"period":"2026-10-30","value":-127},{"period":"2026-10-31","value":-128},{"period":"2026-11-01","value":-120}]}