Mast observations
The data includes temperature, relative humidity and wind observations from the three mast measurement sites of the Finnish Meteorological Institute. These observations range from 2 metres to 327 metres, depending on the mast site.
Trust score
How is this computed?Composite of 5 axes from our methodology (proof-based officialness, live verification, metadata completeness, license clarity, agent readiness).
- Officialnessweight 25%50/100
Not public-sector → neutral score; not subject to the proof checker.
- Availabilityweight 25%100/100
Latest verification succeeded.
- Metadata completenessweight 20%40/100
4 of 10 recommended metadata fields populated.
- License clarityweight 15%50/100
License info not yet tracked for APIs (datasets only).
- Agent readinessweight 15%10/100
Topic tags assigned
Data access
A queryable map-feature service. Its attribute schema couldn't be read automatically — query the service endpoint directly to inspect its fields.
Verification Status
Using the API
Configuration
- Base URL
- https://opendata.fmi.fi/wfs?request=GetFeature&storedquery_id=fmi%3A%3Aobservations%3A%3Aweather%3A%3Amast%3A%3Amultipointcoverage
Query examples
curl -s 'https://opendata.fmi.fi/wfs?request=GetFeature&storedquery_id=fmi%3A%3Aobservations%3A%3Aweather%3A%3Amast%3A%3Amultipointcoverage&service=WFS&version=2.0.0' -H 'Accept: application/json'List the feature types (layers) and supported operations.