Monitoring network
Netherlands monitoring network
Hydrionis holds continuous records from 409 monitoring locations in Netherlands, the earliest opening in 1846.
409
Monitoring locations
712,870
Observations held
1846–2026
Record span
2
Kinds of measurement
Where the network is
Netherlands monitoring network
381 river gauges · 28 sampling and rain gauges
400 of 409 locations drawn, sampled evenly across the network so the map stays a reasonable size and still shows where coverage is dense and where it is thin. Every location is held in full and reachable through the data.
What is measured
| Measurement | Locations | Values held |
|---|---|---|
| Daily precipitation | 7 | 411,026 |
| Snow depth | 4 | 102,519 |
| River level | 328 | 95,050 |
| Daily maximum air temperature | 1 | 43,800 |
| Daily minimum air temperature | 1 | 43,800 |
| Mean river flow | 115 | 16,675 |
What kind of place is monitored
| Kind | Locations |
|---|---|
| River gauges | 381 |
| Sampling and rain gauges | 28 |
Elsewhere
All networks · the underlying series are published through the dataset catalogue and the static API.