The Easiest Way To Understand How Bad California's Drought Really Is

The Easiest Way to Understand How Bad California's Drought Really Is

California's drought problem is bad and shows no signs of letting up. This clever chart imagines the state as a one-dimensional line to show just how bad it is compared to recent history.

Put together by Randall Munroe of XKCD, the visualisation relies on the fact that California is long and thin. He's taken monthly data recorded over the past 14 years, squished the 2D maps down to 1D columns — providing a simple but representative rendering of drought across the state's length — and then stacked them next to each other to show how it varies with time. Essentially, he's used California as its own graph axis.

It's a neat data trick, but the chart itself is startling. Let's hope that black patch starts shrinking real soon. [XKCD]

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