Epoch-superposed daily numbers of anomalies in the D11 series, considering the IntAE parameter. Solid lines indicate superposed anomaly rates (upper panel) or IntAE (in nT h) in the reference time series (lower panel) during Days −1 to +5 from the epoch (Day 0), whereas dashed lines show the same quantities for the remaining days. Error bars show one-standard-deviation half-widths.