Daily UFO Histogram:
Northern Hemisphere
This histogram shows daily UFO sightings frequencies for the
Northern Hemisphere alone; for all years combined.
The dividing line is the Equator, without regard to national or continental boundaries.
The North predominates *U* data with 88 percent of total listings worldwide. Most sightings were in North America and Western Europe.
Five consecutive months July thru November account for 53 percent of all North American reports, the remaining seven months ( DEC thru JUN ) have only 47 percent.
Note the seasonal low between May and June for all years in the North. Page updated February 2006.