Hourly, validated and automated in-situ ground-based meteorological observations in the Netherlands

KNMI collects in-situ meteorological observations in the Netherlands aggregated into hourly, daily, monthly, and annual datasets. These data are derived from the 10-minute automatic measurements since the early 1990s, hourly observations from 1951 and daily observations from 1901. The earliest data starts in 1901 with one station and gradually increases to the current measurement network of more than 50 automatic weather stations.



The weather stations measure essential climate variables (ECVs), surface precipitation, pressure, global radiation, temperature, water vapor, wind speed and direction, clouds, and visibility. Sunshine duration and potential evapotranspiration are calculated from the ECVs. When applicable, minima, maxima, means, and sums are defined or calculated.



This dataset contains meteorological observations since 1951-01-01 at an hourly interval. The data has undergone manual validation by KNMI experts, filling gaps and correcting measurement errors, after which it becomes available. The expert validation can take 1-10 working days to complete. Validated data can be modified at any moment in the future if further issues are found with the data.

Standaard

Datum (publicatie)
2025-09-19
Versie

1
Identifier
urn:xkdc:ds:nl.knmi::hourly-in-situ-meteorological-observations-validated/1.0/
Status
continu geactualiseerd
Contactgegevens voor de data
Organisatie Naam Contactpersoon Email Rol

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

contactpunt
Herzieningsfrequentie
continu

DG Discovery Properties Vocabulary 1.0

  • Temperature

  • Pressure

  • Wind speed

  • Wind direction

  • Relative humidity

  • Wind gust

  • Visibility

  • Precipitation

  • Radiation

  • Sunshine

  • Weather code

  • Precipitation rate

  • Precipitation duration

  • Maximum temperature

  • Minimum temperature

  • Dewpoint temperature

  • Air temperature

  • Meteorological

  • Automatic weather stations

  • Observations
Trefwoorden

  • Dynamic

  • Open data

GEMET - INSPIRE themes, version 1.0

  • Meteorological geographical features

  • Atmospheric conditions
Gebruiksbeperkingen

Because of station relocations and changes in observation techniques, the data in these datasets are inhomogeneous. As a result, these series are not suitable for trend analysis.

(Juridische) toegangsrestrictie
anders
Overige beperkingen

https://creativecommons.org/licenses/by/4.0/deed.nl

Veiligheidsrestricties
vrij toegankelijk
Ruimtelijk schema
vector
Taal
English
Karakterset
utf8
Onderwerp
  • klimatologie, meteorologie atmosfeer
N
S
E
W




Begindatum
1951-01-01
Einddatum
9999-12-31
Aanvullende informatie

For more information about this dataset, please read the [technical documentation]( https://english.knmidata.nl/open-data/hourly-daily-monthly-and-annual-in-situ-meteorological-observations).



The following related datasets are available:



* [Near real-time 10-minute automated in-situ ground-based meteorological observations in the Netherlands]( https://dataplatform.knmi.nl/dataset/10-minute-in-situ-meteorological-observations-1-0)

* [Daily, validated and automated in-situ ground-based meteorological observations in the Netherlands]( https://dataplatform.knmi.nl/dataset/daily-in-situ-meteorological-observations-validated-1-0)

* [Hourly and automated in-situ ground-based meteorological observations in the Netherlands]( https://dataplatform.knmi.nl/dataset/hourly-in-situ-meteorological-observations-1-0)

* [Daily and automated in-situ ground-based meteorological observations in the Netherlands]( https://dataplatform.knmi.nl/dataset/daily-in-situ-meteorological-observations-1-0)



For more information about the relation between these datasets, see also the [technical documentation]( https://english.knmidata.nl/open-data/hourly-daily-monthly-and-annual-in-situ-meteorological-observations)

Referentiesysteem identifier
http://www.opengis.net/def/crs/EPSG/0/4326
Distributie formaat
Naam Versie

NetCDF

4
Distributeur contact
Organisatie Naam Contactpersoon Email Rol

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

contactpunt

Digitale leverings opties

Bestands grootte
1
OnLine bronnen
Protocol URL Naam

landingpage

 		https://dataplatform.knmi.nl/catalog/datasets/index.html?x-dataset=hourly-in-situ-meteorological-observations-validated&x-dataset-version=1.0

KNMI Data Platform
Niveau kwaliteitsbeschrijving
dataset

Kwantitatieve resultaten

Waarde

Data completeness depends on the period and variable, for more information refer to the technical documentation.
Algemene beschrijving herkomst

KNMI Robuust Klimatologisch Informatie Systeem (RobuKIS)

Metadata

Metadata ID
4c151b83-242a-11f0-9427-ac91a1330236 XML
Taal
English
Karakterset
utf8
Hierarchisch niveau
dataset
Metadata datum
2025-12-09T13:02:51.356037Z
Metadata standaard naam.

ISO 19115
Metadata standaard versie

ISO 19115:2003 NL Kernset 1.3 KNMI 2.1.0
Metadata auteur
Organisatie Naam Contactpersoon Email Rol

Koninklijk Nederlands Meteorologisch Instituut (KNMI)

opendata@knmi.nl

contactpunt
Landinstelling
Taalcode Tekencodering
Nederlands; Vlaams
Engels utf8
 
 

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