with John Maunder
Temperatures have been recorded in the Tauranga area at several sites in the last 100 years, including the current Tauranga Airport site from June 1990.
The graph shows details of the average daily maximum temperatures, called simply ‘afternoon' for Tauranga for August from 1913-2015. The average for August 2017 was 16.0 degrees Celsius which made August 2107 as the fourth equal mildest August on record.
The long-term average afternoon temperature in August for Tauranga is 14.8 degrees Celsius. The coolest August months have been 1932 with 13.8 degrees Celsius, and 1941 and 1992 recording 13.9 degrees Celsius.
The warm August months have been 2013 with 16.7 degrees Celsius, 1915 with 16.4 degrees Celsius, 2009 had 16.2 degrees Celsius, and 2017 with 16.0 degrees Celsius.
The graph of the average afternoon temperatures for August shows generally normal variations from August to August during the last 100 years.
But several recent August months have been a little warmer than others since 1913. This includes August 2013, the warmest on record with a temperature of 16.7 degrees Celsius, which was 1.9 degrees Celsius above average.
In comparison, the value for August 2016 was 15.1 degrees Celsius, which made it 1.6 degrees Celsius colder than August 2013.
From 1913 to 2017, there have been 11 August months with an average afternoon temperature of 15.8 degrees Celsius or more.
Thirteen August months have had an average afternoon temperature of less than 14.3 degrees Celsius.
The seventh warmest August months – in terms of afternoon temperatures – on record in chronological order are: 1915, 1967, 1971, 2009, 2012, 2013, and 2017. By contrast, the fifth coolest August months – in terms of afternoon temperatures – on record, in chronological order are: 1932, 1941, 1966, 1992 and 2004.
The average afternoon temperatures during August for the period 1914-1963 were 14.7 degrees Celsius, compared with 15.0 degrees Celsius from 1964 to 2013.
For further information on a range of weather/climate matters see: https://sites.google.com/site/climatediceandthebutterfly/