Do reports cluster near an event type beyond chance? Compare the observed count against random report dates drawn from the real reporting history — for one setting, or scanned across every radius and window at once.
Run an analysis to see observed vs. expected — the honest answer is often “not distinguishable from chance.”
These are reports, not confirmed sightings. Report counts track population and media attention more than any phenomenon, and coverage is uneven (NUFORC is US-heavy). How to read this →