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Has the climate in Stoney Creek changed?
Stoney Creek has warmed about 3.4°F between 1997 and 2020.
About 1.4°F per decade, measured from Stoney Creek's official daily weather records, 1997–2020. Individual years still bounce around — some recent ones came in cool — but the long-term line has clearly risen.
What has actually changed
Each card compares the 1970s (the first ten years of the record) with recent years (the last ten) — the same span the headline and the chart use.
Stoney Creek's temperature, year by year
Average temperature for each year from 1997 to 2020.
Each bar is one year. Most recent years sit above the older ones. Some recent years still came in cool — warming is a slope, not a straight climb.
Methodology & sources
Temperature — 1991–2020 normals computed from 22 years of daily observations at Hamilton Rbg CS, a weather station, about 14 km from the city centre. The underlying daily records come from NOAA's global station network.