udunits(3): Invalid integer udunits(3): Invalid integer HTTP/1.0 200 OK Date: Fri, 17 Jul 2026 03:43:18 GMT Server: Ingrid 0.9 MIME-version: 1.0 Access-Control-Allow-Origin: * Cache-Control: public Content-Type: text/html; charset=utf-8 Last-Modified: Tue, 17 Jul 2018 19:54:57 GMT Vary: Cookie Can you help me locate recent PDO data?

Can you help me locate recent PDO data?

The Data Library no longer has a dataset with PDO indices. However, you can find an updated PDO index at the University of Washington.

http://jisao.washington.edu/pdo/

-- Michael Bell