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NASA GISS temperature anomalies by latitude band, 1880–2025
Rainbow lines on a shared grid → small multiples with range frames, layered global-average underlay, direct labeling. Reveals polar amplification.
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Kyoto cherry blossom full-bloom dates, 812–2015 CE
A connected line in noise → dot scatter with running median, inverted y-axis (warmer = up), climate-epoch bands. The modern warming signature emerges from 1,200 years of phenology.
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Royal Greenwich Observatory sunspot areas by latitude, 1874–2013
Five aggregated lines → Maunder butterfly heatmap. 93,000 data cells preserved; the migration pattern within each ~11-year cycle becomes visible.
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Sunspots, austere vs beautiful (iridescent ridgeline)
Same data, two registers. Tufte-austere monochrome heatmap → iridescent blue ridgeline that preserves every Tufte invariant while gaining emotional reach.