Really nice idea to add a metric that just calculates the overall ORES score for each wiki on a regular basis: https://www.mediawiki.org/wiki/Topic:Tp8f4tzoeagjazeg
Declining, because ORES scores are not representative of whole projects.
Please, reopen if necessary.
The idea in the referenced discussion was to average scores for different classes of articles, per wiki. Like:
enwiki, new articles, average revision ORES score: X