 The gust at Mardie is the second-highest recorded on the Australian mainland, although the figure given was the limit of the anemometer, so the actual gusts may have been higher.Tropical Cyclone Wilma existed from March 10 to March 14.On 20 March 1975 winds were recorded to 128 km/h at Fremantle, Western Australia and 109 km/h in neighbouring Perth.