Left (a)–(c): Diurnal variations in impulsive magnetic events per hour found from 2015 to 2020 in Inukjuak, Quebec. Right (d)–(f): Distribution of magnitude of 8-min component ranges around identified impulsive events per 100 nT bin. Vertical scales vary between components to better convey diurnal trends. Total event numbers are indicated in bold gray for each component. Blue shading indicates negative impulses, red shading positive.