1,200 years of Kyoto cherry bloom

Each pink dot is one year's full-flowering date; the blue line is a rolling average you control. Drag the sliders to set a year range and the smoothing window, hover any dot for its exact date, and switch on climate epochs to see how bloom timing lines up with them.

Smaller day-of-year values sit lower on the chart and mean an earlier, warmer spring. Want the background? Read the introduction to phenology →