Bay of Plenty from 9–16 °C in winter to 22–26 °C in summer. Rainfall occurs more frequently in winter than in summer, but tropical storms in summer and autumn can produce heavy rain with high winds. Central parts of the region can receive up to 2000 mm of rainfall annually, while the eastern and western areas can receive up to 4000 mm. The sub-national GDP of the Bay of Plenty region was estimated at US$6.689 billion in 2003, 5% of New Zealand's national GDP. Agriculture, natural resources and tourism are the major industries. Most (96 per cent) of the region is defined as
Western Bay of Plenty District area that is not part of the district). The district came into being in the local government reorganisation of 1989; with minor modifications to the boundaries, it merged the old Tauranga County and Te Puke Borough. The greatest changes were in the northwest, with Waihi Beach being transferred to the district from the old Ohinemuri County, and in the vicinity of Tauranga City, where some of the hinterland, formerly in the county, was transferred to the city. The wards (for the purposes of electing district councillors) are the following: Western Bay of Plenty District Western Bay of Plenty District is