Normally the number of search has the same weekly pattern as the number of pageviews, varied by platform. For example, on desktop, [[ http://discovery.wmflabs.org/metrics/#desktop_events | the number of search ]] and [[ https://pivot.wikimedia.org/#pageviews-daily/line-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 | the number of pageviews ]] are higher on weekdays and drop on weekends.
For mobile web, the pattern of [[ https://pivot.wikimedia.org/#pageviews-daily/line-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= | pageviews ]] are the opposite -- higher on the weekends, but we didn't see the same pattern for full-text search:
{F9835173}
The query I used is P5973.
This is a spin-off of T174396#3589647.