4,832 days of record · today 0.220 · 82.2% of all days sat at or above it
Scroll or drag to move the time axis · hold shift for the value axis · drag either slider
Extremes are rare by construction — that is what makes them worth acting on.
4,832 days of record · today 0.220 · 82.2% of all days sat at or above it
Every value plotted for a past date could have been computed on that date. Normalised series expand their window rather than scaling against the full history, so nothing here is drawn using information that did not exist yet — which is also why the early years of a normalised series are dropped rather than shown against a range of one.