Clean the 2015–2020 air readings

What to deliver: One tidy sheet of readings with consistent dates and units.
How it's judged: No duplicate rows; every reading has a date, a site and a unit.

About 2 h Checked by the project team Remote, on your own schedule

The ripple

Everything that grew out of this task.

This task is the pebble. No next steps yet. When a reviewer builds on this work, the ripple starts here.

Every step is a dated entry. Nothing is overwritten.

Posted to the board
Oct 23, 11:46 PM ET
Daniel Reyes took it
Oct 30, 7:32 PM ET
Daniel Reyes handed it back · Finished · about 130 min
Cleaned and merged. Three monitors logged local time instead of UTC; converted.
Open their work
Oct 31, 12:32 AM ET
Sue Davidson: Accepted all · 120 min accepted
Why · Consistent units and dates. Ready to chart.
Oct 31, 5:32 AM ET