Ravensholm open data — schema notes (publication 2025, dump rebuilt 2026-01-15)

monthly-bridge-counts.csv
  month,site,mode,daily_avg,caption
  month  = first day of the month (ISO date)
  site   = weir | foundry | oldmill
  mode   = bike | foot
  daily_avg = corrected daily average for days the counter ran
  caption   = empty, or 'revised: <reason>' when the row corrects an
              earlier publication (history is appended, never rewritten)

air-quality-2025.csv
  month,station,pm25_ugm3,pm10_ugm3,no2_ugm3,valid_days
  station = central | riverside | northfield | depot | school-street
  values are monthly means over valid_days; months with fewer than 20
  valid days are published empty rather than estimated

library-lending.csv
  year,branch,collection,loans,renewals
  collection = adult | children

Licence: CC BY 4.0 — see LICENCE.txt
