Interactive Power BI report
Heat and drought in France: 2026, an exceptional year
From January 1 to October 13, 2026, France went through its hottest stretch in 68 years of records, with record solar radiation and the driest soils. This report shows how far 2026 stands apart from everything the country has seen since 1959, and what it did to water.
Data: climate through Oct 13, 2026 · streams: May–September 2026 surveys · water restrictions: orders through Sep 14, 2026, and levels in force on Oct 21, 2026.
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Behind the scenes
How this report was built
This is a Power BI report: all its charts, KPI cards and slicers are Plume visuals, the same ones you add to your own reports; only the department map is an SVG drawing. These visuals share a single style setting (Format › Style) and one set of custom colors, so the whole report is styled in one move. The public data was prepared upstream, then each page makes one point, stated in its title. The Power BI file (.pbix) offered above is built the same way, with the same visuals.
The 18 Plume visuals used
- Ridgeline Plume68 years in relief, the landmark-year comparison and the 1959 → 2026 animation
- KPI PlumeEach record against the previous one, on cards that flip
- Bar PlumeAll 68 years ranked, with 2026 on top
- Line PlumeThe race of the years, soil moisture against the records, 2026 against the normal, departments in crisis
- Scatter Plume68 summers: hotter means drier
- Candle PlumeSoils week by week, with rainfall as volume
- Sankey PlumeWhat happened to stream monitoring sites, from May to September
- Waterfall PlumeWhere 2026's departure from normal came from
- Matrix PlumeLandmark-year ranks and a 68 years × 12 months heatmap
- Gantt PlumeEvery heat wave since 1959, on a single summer
- Table PlumeEvery key figure, searchable
- Bar Slicer PlumePick the indicator to rank
- Basic Slicer PlumePick the years to compare
- Filter Bar PlumeFilter by region or restriction level
- Text PlumeType the name of your département
- Date Picker PlumeThe 2026 calendar, day by day
- Range PlumePick a heat threshold on the histogram
- Period PlumePick years on a timeline
Data sources
- Météo-France SIM2 reanalysis ↗Daily average over mainland France (about 9,900 grid cells of 8 km), Jan 1, 1959 to Oct 13, 2026, 1991–2020 normals; 2026 data are provisional. Published on meteo.data.gouv.fr and data.gouv.fr.
- OFB Onde network (Hub'eau) ↗Flow in small streams: standard May–September surveys, 2012 to 2026, through the Hub'eau "Écoulement" API.
- VigiEau (data.gouv.fr) ↗Water restriction orders through Sep 14, 2026, and levels in force by département on Oct 21, 2026 (French Ministry for the Ecological Transition).
Public data under the Etalab 2.0 Open License. Processed by Plume Visuals.
Why our temperatures differ from official summaries
Our temperatures average all of mainland France, mountains included, not Météo-France's national thermal indicator (30 lowland stations). Our absolute values are therefore lower; our departures from normal and our rankings agree, within one rank, with the official summaries.
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