The storm that hit Canterbury in February has cost insurers $1.5 million more than their earlier estimate.
Payouts so far for storm-related damage tally $4.8 million, up from the initial forecast of $3.3 million.
The storm brought torrential rain, thunderstorms, lightning, a large hailstorm and reports of tornado damage.
The Insurance Council says the final tally highlights the vital role insurance plays in helping New Zealanders recover from extreme weather events.
Almost $1.3 million was paid out for domestic claims, the same amount for commercial claims and $2.2 million dollars for vehicle claims.