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Has the climate in Musashimurayama changed?
Musashimurayama has warmed about 2.2°F between 1999 and 2024.
About 1.1°F per decade, measured from Musashimurayama's official daily weather records, 1999–2024. 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.
Musashimurayama's temperature, year by year
Average temperature for each year from 1999 to 2024.
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 — the official 1991–2020 climate normals from the Japan Meteorological Agency, measured at Tokorozawa, about 4 km from the city centre.