¶ Danish Meteorological Institute - Open Data
Welcome to the Danish Meteorological Institute's (DMI) Open Data API.
Our Open Data API's provide free and open access to DMI’s data. Here you can find all the information you need to register as a user and start using the API. You can also access information on data sources as well as the OpenAPI specification of the API's.
Please also visit www.DMI.dk/friedata
Important DMI Supercomputer Maintenance – Impact on HARMONIE, DKSS & WAM Models
Due to maintenance work from the 1st to the 15th September, all DMI models will be affected.
The downtime is expected on the following dates: 1st, 3rd, 4th, 8th, 10th, 11th and 15th of September.
For the HARMONIE DINI and IG models, there are expectations of additional model delays of approximately 2-3 hours for the modelruns within the maintenance work time period.
For example, modelrun 06 UTC is expected to be available at 12-14 UTC.
For DKSS and WAM models, DMI expects daily downtime of 8 hours. Afterwards, DMI's provider will rerun both models. However, there is a risk that the downtime may exceed the expected 8 hours.
For the DKSS and WAM models, the modelruns 00 UTC and 18 UTC will still be available in the stated dates.To still ensure data within the expected downtime days, it is recommended to save the last modelrun.
Updates regarding this data outage will be issued here
Our Forecast EDR service is performing slowly due to technical issues of our cloud provider. Therefore, the amount of requests pr. second is reduced
¶ Available API's:
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| Not quality controlled data | Quality controlled historical climate data |