http://rsnz.natlib.govt.nz/volume/rsnz_ ... 04860.html
http://rsnz.natlib.govt.nz/volume/rsnz_ ... 04870.html
Found some weather observations for 1870!

Not sure what the accuracy of the meteorological instruments would have been back then.
Very interesting of the reports about aurora seen in the north several times!
And here are more weather notes from the late 1800s for anyone interested:
http://rsnz.natlib.govt.nz/search/resul ... he+weather
Some of these articles have several parts so to find them use the previous article or next article buttons.