Daymet Server Error

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Kyle Chudler

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May 12, 2026, 1:34:09 PM (2 days ago) May 12
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Hello,

When I go to the THREDDS Data Server:
(as linked to from the Daymet website)

I get the following error:

 

Hyrax - Internal Error (500)


Bad things are happening

OUCH!

Something Bad Happened On This Server.

The specific error message associated with your request was:

DMR++ parse error: No document element found

If you think that the server is broken (that the URL you submitted should have worked), then please contact the OPeNDAP user support coordinator at: sup...@opendap.org


Hyrax - Internal Error (500)


Thanks for any help

Miguel Jimenez

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May 13, 2026, 6:33:04 PM (19 hours ago) May 13
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Hi Kyle, 

Thanks for reaching out. Most of NASA’s data is being migrated to the cloud, and as a result the OPeNDAP on-prem servers are being shut down in favor of Cloud OPeNDAP servers. Unfortunately for many users, as a result of this cloud migration, the THREDDS catalogs are no longer available, and the OPeNDAP Cloud OPeNDAP URLs are different…

We have made some Python tutorials that best demonstrate the update way to:

a) How to find Cloud OPeNDAP URLs: 

and,

b) Access and stream OPeNDAP Data from DAYMET:


These tutorials above are meant to be interactive, and have links to our NASA-tutorials repository where you can run them on a browser (no local download). You can also download the tutorial notebooks directly from our NASA-tutorials GitHub repository (all links on the tutorial).

For your specific case, I recommend starting with b) since it already demonstrates how to discover opendap urls for DAYMET, in addition to how to stream a spatial subset into a local directory.

Thanks again for reaching out, and do reach out again if you need any more help
Miguel


---------------------------------------------------------
Miguel Jimenez-Urias, PhD
Computational Oceanographer | Scientific Community Director | Software Dev
OPeNDAP, Inc

https://www.linkedin.com/in/MiguelJimenezUrias/
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