Click on the picture of the weather station (top right of image) and then the sections below to get a chart of that measurement. Links for history and a seperate rain gauge are below.

Rain gauge measurements from a seperate tipping-bucket gauge are here: wunderground.com/IHAMIL315https://www.wunderground.com/dashboard/pws/IHAMIL315

Measurement history is here: tempestwx.com/station/2620/ and wunderground.com/dashboard/pws/IWAIKATO40