Monitoring network
Finland monitoring network
Hydrionis holds continuous records from 677 monitoring locations in Finland, the earliest opening in 1847.
677
Monitoring locations
10,801,711
Observations held
1847–2026
Record span
2
Kinds of measurement
Where the network is
Finland monitoring network
672 river gauges · 5 sampling and rain gauges
400 of 677 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 |
|---|---|---|
| Mean river flow | 672 | 10,342,715 |
| Daily minimum air temperature | 5 | 147,709 |
| Daily maximum air temperature | 5 | 147,215 |
| Daily precipitation | 5 | 141,871 |
| Snow depth | 4 | 22,201 |
What kind of place is monitored
| Kind | Locations |
|---|---|
| River gauges | 672 |
| Sampling and rain gauges | 5 |
Elsewhere
All networks · the underlying series are published through the dataset catalogue and the static API.