River flow maximum in Guernsey
Guernsey: River flow maximum was 3.16 m3 per sec in 2024. ▲ Rising
River flow maximum in Guernsey, 2005–2024
Source: United Nations Statistics Division, SDG Global Database. Measured in m3 per sec.
Analysis
Guernsey recorded 3.16 m3 per sec for river flow maximum in 2024. That is the highest value across all 20 years on record.
Compared with earlier readings it is up 6.0% on the previous year and up 29.8% over ten years.
Over the whole period, river flow maximum in Guernsey peaked at 3.16 m3 per sec in 2024 and was at its lowest, 1.93 m3 per sec, in 2009.
That places Guernsey 205th out of 234 countries with data for 2024, putting it in the bottom quarter.
The long-run direction has been consistently rising across the 20 years of available data.
River flow maximum in Guernsey, year by year
| Year | m3 per sec | Change |
|---|---|---|
| 2005 | 2.64 m3 per sec | — |
| 2006 | 2.35 m3 per sec | -10.9% |
| 2007 | 1.99 m3 per sec | -15.4% |
| 2008 | 1.95 m3 per sec | -2.3% |
| 2009 | 1.93 m3 per sec | -0.6% |
| 2010 | 2.01 m3 per sec | +3.7% |
| 2011 | 2.14 m3 per sec | +6.5% |
| 2012 | 2.12 m3 per sec | -0.8% |
| 2013 | 2.37 m3 per sec | +11.8% |
| 2014 | 2.43 m3 per sec | +2.7% |
| 2015 | 2.59 m3 per sec | +6.3% |
| 2016 | 2.56 m3 per sec | -1.0% |
| 2017 | 2.84 m3 per sec | +11.0% |
| 2018 | 2.57 m3 per sec | -9.5% |
| 2019 | 2.63 m3 per sec | +2.3% |
| 2020 | 2.58 m3 per sec | -2.0% |
| 2021 | 2.86 m3 per sec | +11.1% |
| 2022 | 2.88 m3 per sec | +0.6% |
| 2023 | 2.98 m3 per sec | +3.4% |
| 2024 | 3.16 m3 per sec | +6.0% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 2000s | 2.17 m3 per sec | 1.93 m3 per sec | 2.64 m3 per sec | 5 |
| 2010s | 2.43 m3 per sec | 2.01 m3 per sec | 2.84 m3 per sec | 10 |
| 2020s | 2.89 m3 per sec | 2.58 m3 per sec | 3.16 m3 per sec | 5 |
Countries ranked near Guernsey
More development goals data for Guernsey
- Red List Index 0.9474 index (2025)
- Change in maximum river flow 28.8% (2024)
- Change in minimum river flow -2.2% (2024)
- River flow minimum 0.0285 m3 per sec (2024)
- Chlorophyll-a deviations, remote sensing 0.5% (2022)
- Annual mean levels of fine particulate matter (population-weighted) 8.3 µg/m³ (2023)
- Prevalence of hepatitis B surface antigen (HBsAg), 2026 methodology 0.0% (2024)
- Countries with death registration data that are at least 75 percent 1 (2024)
- Land area 6.35 ha th (2025)
- Chlorophyll-a anomaly, remote sensing 0.2% (2022)
Frequently asked questions
- What is river flow maximum in Guernsey?
- River flow maximum in Guernsey was 3.16 m3 per sec in 2024, according to United Nations Statistics Division, SDG Global Database.
- What is the highest river flow maximum recorded in Guernsey?
- The highest recorded value was 3.16 m3 per sec in 2024.
- What is the lowest river flow maximum recorded in Guernsey?
- The lowest recorded value was 1.93 m3 per sec in 2009.
- How does Guernsey rank for river flow maximum?
- Guernsey ranks 205th out of 234 countries with data for 2024.
- Is river flow maximum rising or falling in Guernsey?
- Over the last ten years it is up 29.8%. The long-run trend across the full record is rising.
- Where does this Guernsey data come from?
- The figures come from United Nations Statistics Division, SDG Global Database, published as part of River flow maximum (m3/s). Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 20 observations, free to reuse under UN SDG Global Database (open, attribution requested).