reading the signal…
Signals / Event / Building permits stream
in Minneapolis, MN·counted·3.7K all time
Official approval for a patio or covered outdoor extension, typically shown as a construction authorization.
Counted, not streamed: Patio Permit has no time series, so it is read as a footprint across places. All-time count by city.
Things that happen: permits, collisions, crimes, inspections. All-time counts.