 (overlapEnd > overlapStart) {
								// If it's "down," that's the worst.
								// If it's "disrupted" and worst is not "down," set to "disrupted."
								if (severity === 'down') {
									ds.worstSeverity = 'down';
								} else if (severity === 'disrupted' && ds.worstSeverity !== 'down') {
									ds.worstSeverity = 'disrupted';
								}
							}
						});
					});

					// Now build 60 bars, from oldest on the left to newest on the right
					for (let i = dayStats.length - 1; i >= 0; i--) {
			