{"subjectId":"gauge-ea-a91dfed0-9614-4cf3-ba5a-d1a17c8c7282","seriesUrlPattern":"/api/v1/series/{metricId}--{subjectId}.json","seriesCount":2,"observationCount":828,"series":[{"metricId":"river-flow-mean","subjectId":"gauge-ea-a91dfed0-9614-4cf3-ba5a-d1a17c8c7282","unit":"m³/s","periodKind":"year","count":56,"from":"1963-01-01","to":"2025-01-01","sourceId":"uk-ea-hydrology"},{"metricId":"river-flow-monthly-mean","subjectId":"gauge-ea-a91dfed0-9614-4cf3-ba5a-d1a17c8c7282","unit":"m³/s","periodKind":"month","count":772,"from":"1961-04-01","to":"2026-01-01","sourceId":"uk-ea-hydrology"}]}