NZ in the 2000s: warmest on record

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NIWA is predicting the decade of the 2000s will be the warmest on record for New Zealand.

Once all the figures are in, the decade of the 2000s (2000–2009) is likely to be declared the warmest on record for New Zealand.

This is consistent with a World Meteorological Organization (WMO) statement that the decade from 2000–2009 is likely to be the warmest decade on record for global average temperatures.

The nine-year period 2000–2008 is 0.05 ºC warmer for New Zealand than the decade of the 1980s, which was the previous warmest decade.

December 2009 would have to be a record cold month (more than 2.0 ºC below normal) to move the decade of the 2000s into 2nd place behind the 1980s.

NIWA is predicting that the New Zealand ‘ranking’ of warm decades will be:

  • Warmest: 2000s
  • 2nd place: 1980s
  • 3rd place: 1970s
  • 4th place: 1990s

These figures will be confirmed once the full year’s data for 2009 have been analysed in mid-January 2010.

The WMO predicted that for the globe as a whole 2009 would rank in the top ten warmest years on record. For New Zealand, however, the year 2009 itself is likely to be slightly colder than the 1971–2000 average.

Read the WMO media release here

NIWA is predicting the decade of the 2000s will be the warmest on record for New Zealand.

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