Violence is seasonal, peaking in late summer and at its lowest ebb in spring, shows an audit published in the Emergency
Medicine Journal
. Violence towards women has also been increasing.

Data on community violence were collected from a random sample of 33 accident and emergency departments across England
and Wales between 1995 and 1998.” Because of the proportion of violence that goes unreported to the police, an emergency department is in a unique position to study trends, as opposed to analysis of law enforcement data. EurekAlert