v4.0: What's new and data sources 2026-11-01
- This changelog page.
- A data-sources page listing every dataset, its use and its licence.
What's new
Public changes to River Monitor, newest first. Experimental features are labelled on their pages.
v3.9: Dry-season outlook (experimental) 2026-11-01
- New page combining today's MRC gauge percentiles with upstream reservoir water-area trends.
- Clearly labelled experimental; not a forecast.
v3.8: Accessibility fixes 2026-11-01
- Automated axe-core WCAG 2.1 AA audit: 59 issues fixed to 0, mostly colour contrast.
- Charts and forms now have screen-reader labels.
v3.7: Privacy-friendly analytics 2026-11-01
- Page views counted on our server by day and page only. No cookies, no IP addresses, no third-party trackers.
v3.6: Faster, findable, accessible 2026-11-01
- Page descriptions, sitemap and robots.txt.
- Skip-to-content link and visible keyboard focus.
v3.5: Impact page 2026-10-31
- Why the Mekong matters, with every figure cited to the Mekong River Commission.
v3.4: Low-flow tracker 2026-10-31
- How low the river is today versus 2006–2025 at 8 MRC gauges.
v3.3: Monthly dam reports 2026-10-31
- Downloadable PDF per dam and month, with caveats and methods.
v3.2: Customer dashboard 2026-10-31
- Saved towns, alert history, reports and API keys in one place.
v3.1: Daily gauges and release pulses 2026-10-31
- Daily MRC gauge data and experimental detection of release pulses at Chiang Saen.
v3.0: Downstream flow alerts and river reports 2026-10-31
- Town-level downstream signals (experimental) and moderated river reports from field partners.
v2.6: Satellite rainfall 2026-10-31
- Switched to NASA GPM IMERG rainfall. Rain-to-river backtest still shows no useful skill, and we say so.
v1.0: First public preview 2026-10-31
- Dam water area from Sentinel-1 for the upper Mekong cascade, methods and accuracy pages.