Jump in observations from February 2019

[Grant McDermott]

In trying to track some general GitHub trends over time, I've noticed a few discrete jumps in the GH Archive data. One such case is a sustained (15-30%) jump in the number of data observations beginning February 9th, 2019. This jump carries through to event data too: pushes, commits, etc.

Here's a relevant figure (source query at the bottom of this post).

Any idea as to what's going on here?

Thanks in advance and (especially) for this excellent initiative.

---

BigQuery call for the figure's underlying data.

(SELECT COUNT(id) AS nobs, 
DATE(created_at) AS date
FROM `githubarchive.month.201901` 
GROUP BY date)
UNION ALL
(SELECT COUNT(id) AS nobs,
DATE(created_at) AS date
FROM `githubarchive.month.201902` 
GROUP BY date)
UNION ALL
(SELECT COUNT(id) AS nobs,
DATE(created_at) AS date
FROM `githubarchive.month.201903` 
GROUP BY date)
ORDER BY date

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