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The graph below shows the range of Tauranga's October rainfalls, from an extreme high of 357 mm in 1916 to a low of only 7 mm in 1984.

The second wettest October was 1928, when 269 mm was recorded; and the second driest October was in 1928, when only 11 mm fell.

The long-term average rainfall for Tauranga in the month of October is 110 mm.

The rainfall in October 2020 was 24 mm.

The graph of the October rainfall shows generally normal variations from year to year with some tendency towards drier October months over the years.

Since 1898, there have been 11 October months with a rainfall of 200 mm or more (10 of which occurred during the period 1900-1958), and only one October month since then has recorded this much. Eleven October months have also experienced rainfalls of 25 mm or less.

In chronological order the eleven wettest October months are 1900, 1905, 1916, 1918, 1921, 1926, 1928, 1941, 1952, 1958, and 1983. In contrast the eleventh driest October months are 1906, 1938, 1963, 1965, 1969, 1973, 1984, 1993, 2010, 2013, 2015 and 2020.

For further information see: https://sites.google.com/site/fifteenshadesofclimate2020/

Some details of my new book are on the following webpage.

Google https://sites.google.com/site/fifteenshadesofclimate2020/

Fifteen Shades of Climate ... by John Maunder

The book is currently being considered for publication.

Weather Eye
with John Maunder