No mystery

This is apparently "baffling";

Police figures recording domestic violence incidents over the past 10 years show a large dip every April.

"It's a significant drop, but it's still a high figure. From March it really takes a dive. Then it starts going rapidly up again in May and, by October, it's all on again."

Daylight saving.

District family violence co-ordinator Senior Sergeant Chris Bunyan said the April dip would be a great research subject. "If there was research that found what environmental factors caused it, maybe we could replicate this across other parts of the year.

Daylight saving. Just get rid of it.