Follow this link to the Department of Agriculture and Food Western Australia website for Live Weather Station readings for Waroona, Harvey and Dardanup. Scroll down the page until you find the Weather Stations highlighted in blue.
http://agspsrv34.agric.wa.gov.au/climate/livedata/sumpages.htm
Weather stations in blue were formerly operated by Harvey Water and have been transferred to DAFWA for operation within the DAFWA weather station network. They will be progressively upgraded to similar specifications as other DAFWA weather stations.