reading the signal…
Signals / Condition / 311 service requests stream
in San Francisco, CA·counted·1 all time
The upkeep and repair of school facilities, typically involving classrooms, roofs, plumbing, paint, or other building work.
Counted, not streamed: School Maintenance has no time series, so it is read as a footprint across places. All-time count by city.
The state of a place: complaints, wear, noise and upkeep. All-time counts.