NZ temperatures in 2011

NIWA have released:

The nation-wide average temperature for 2011 was 12.8°C, 0.3°C above the 1971–2000 annual average, using NIWA’s seven-station temperature series which begins in 1909.  2011 was the 17th warmest year since 1909, based on this 7-station series.

17th warmest. Some extremes though:

The highest recorded extreme temperature of the year (41.3°C) occurred at Timaru on 6 February (a new all-time high temperature record in the area).

Ouch. Also of interest is how each month compared to the norm for that month:

  • Jan +0.3
  • Feb +0.7
  • Mar +0.0
  • Apr -0.4
  • May +2.2
  • Jun +1.5
  • Jul +0.1
  • Aug -0.5
  • Sep -0.7
  • Oct +0.3
  • Nov -0.2
  • Dec +0.2

May was a scorcher.

The highest mean temp was 16.7 in Leigh and lowest was 7.6 at the Chateau, Mt Ruapehu.

Most rainfall was 9.49m at Cropp River and least was 0.39m at Clyde.

Nelson had the most sunshine with 2487 hours (6.8 hours a day) and Franz Josef the least at 1598 hours (4.4 hours a day).

 

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