IDV10300 Australian Government Bureau of Meteorology Victoria Notes on the Weather Issued at 4:31 pm EDT on Saturday 20 December 2014. Recent Events In the 24 hours to 9am this morning showers lead to rainfall totals mostly of less than 1mm through West and South Gippsland and eastern parts of the Central District. The highest rainfall total was 1.8mm at Mt Baw Baw followed by 1.4mm at Mt Donna Buang. Overnight minimum temperatures were generally 1 to 4 degrees below the December average. Most minima ranged from 6 and 12 degrees while the lowest was 1 degree at Mt Hotham, Mt Buller and Mt Baw Baw, followed by 2 degrees at Falls Creek. In contrast the temperature at Cape Nelson only dropped to 15 degrees overnight. Cloud in the south cleared during the morning while some afternoon cloud developed over the eastern Ranges. It was a dry day with light west to southwesterly winds and afternoon seabreezes. Maxima to 4pm were generally within a degree of average or a couple of degrees below average in some places. Most maxima ranged from 20 to 28 degrees, while the highest maximum of 31 degrees was recorded at Mildura followed by 30 degrees at Walpeup and Yarrawonga. In contrast it only reached 13 degrees at Mt Baw Baw. In Melbourne, the temperature ranged from 12.5 degrees at 6:07am to a maximum of 22.5 degrees at 3:11pm. There was no rainfall recorded in the city rain gauge in the 31 hours to 4pm this afternoon. Explanatory Notes A high pressure system over Victoria will move eastwards to reach the Tasman Sea on Sunday. A low pressure trough will extend from South Australia to western Victoria later on Sunday and remain almost stationary over western Victoria on Monday. The trough will then move slowly eastwards on Tuesday and link with a weak cold front crossing Tasmania. The low pressure trough will persist over eastern Victoria on Wednesday.