Tuesday, 5 June 2007 - Seasonal Climate Summary for Victoria - Product code IDCKGC26R0

Victoria in autumn 2007
Warm; Wet in the north and west, drier in the southeast.

Summary

Victoria through Autumn 2007 experienced hotter than normal days and nights with a seasonal mean temperature 1.3 degrees above average. Rainfall over most of the north and west of the state exceeded the 1961−1990 averages and early snow fell in the alpine regions.

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Details

Ouyen, in the Mallee region, experienced the second highest Autumn rainfall since the station opened in 1911.  The remainder of the state experienced average rainfalls, although a wide coastal band that stretched from the Otways through Melbourne and east as far as Yarram received below average rainfalls. A smaller area that extended east from the Snowy River to coast also received less than average rainfall, with Point Hicks receiving its lowest total Autumn rainfall since the station opened in 1962.  During May, much of Victoria experienced a typical autumn break, with pre-frontal rain-bearing northwest cloud bands followed by strong westerly winds. The light snow that fell at Mount Hotham in late March was followed by significant falls in late May.

Rainfall

Victoria encountered an extreme variance in Autumn rainfall totals with the wettest overall being 599.8 mm at Mount Buller while Geelong Airport at 62.6 mm was the driest overall. Mount Buller also experienced this season’s wettest single day when 115.4 mm fell on 21 March.

The wettest overall was 599.8 mm at Mount Buller.

The driest overall was 62.6 mm at Geelong Airport.

The wettest single day 115.4 mm at Mount Buller on 21 Mar.

Some sites had their highest total autumn rainfall for at least 20 years.

Some sites had their lowest total autumn rainfall on record.

There is a map of total rainfall below. There is a map of rainfall deciles below.

Temperature

 

Maximum temperature

The hottest day was 40.2°C at Echuca Aerodrome on 3 Mar.

The warmest days on average were 25.1°C at Mildura Airport.

The coolest days on average were 9.6°C at Mt Hotham.

The coldest day was −2.8°C at Mt Hotham on 30 May.

Some sites had their highest autumn mean daily maximum temperature on record.

Some sites had their highest autumn mean daily maximum temperature for at least 20 years.

There is a map of mean maximum temperatures below. There is a map of maximum temperature anomalies below.

Minimum temperature

The coldest night was −4.7°C at Mt Hotham on 31 May.

The coolest nights on average were 3.7°C at Mt Hotham.

The warmest nights on average were 14.4°C at Gabo Island Lighthouse.

The warmest night was 23.9°C at Mildura Airport on 16 Mar.

Some sites had their highest autumn mean daily minimum temperature on record.

Some sites had their highest autumn mean daily minimum temperature for at least 20 years.

There is a map of mean minimum temperatures below. There is a map of minimum temperature anomalies below.

Wind

The strongest wind gust was 148 km/h at Mt Hotham on 29 May.

Other phenomena

In the middle of May there was a tornado reported on the western side of Port Phillip Bay and later in the month there was a period of very strong winds which was associated with considerable damage.

Further information

Dr Harvey Stern
Climate Meteorologist
Victoria Climate Services Centre
Bureau of Meteorology
Phone (03) 9669 4956
Email climate.vic@bom.gov.au

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Extremes

Hottest day Highest temperature	40.2°C at Echuca Aerodrome on 3 Mar
Warmest days on average Highest mean daily maximum temperature	25.1°C at Mildura Airport
Coolest days on average Lowest mean daily maximum temperature	9.6°C at Mt Hotham
Coldest day Lowest daily maximum temperature	−2.8°C at Mt Hotham on 30 May
Coldest night Lowest temperature	−4.7°C at Mt Hotham on 31 May
Coolest nights on average Lowest mean daily minimum temperature	3.7°C at Mt Hotham
Warmest nights on average Highest mean daily minimum temperature	14.4°C at Gabo Island Lighthouse
Warmest night Highest daily minimum temperature	23.9°C at Mildura Airport on 16 Mar
Wettest overall Highest total rainfall	599.8 mm at Mount Buller
Driest overall Lowest total rainfall	62.6 mm at Geelong Airport
Wettest day Highest daily rainfall	115.4 mm at Mount Buller on 21 Mar
Highest wind gust	148 km/h at Mt Hotham on 29 May

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Maps

Rainfall deciles

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Records

Record lowest total autumn rainfall
	Total rainfall for autumn 2007 (mm)	Previous lowest for autumn		Years of record	Normal for autumn
Point Hicks (Lighthouse)	116.2	132.8	in 1971	45	263.8

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Highest total autumn rainfall for at least 20 years
	Total rainfall for autumn 2007 (mm)	Most recent higher for autumn		Years since higher	Normal for autumn
Ouyen (Post Office)	199.0	217.5	in 1956	51	87.0
Walpeup Research	150.1	243.2	in 1974	33	86.0
Portland (Cashmore Airport)	295.2	376.6	in 1983	24

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Record highest autumn mean daily maximum temperature
	Mean daily maximum temperature for autumn 2007 (°C)	Previous highest for autumn		Years of record	Normal for autumn
Melbourne Regional Office	22.7	22.2	in 2005	152	20.6
Laverton RAAF	22.1	21.8	in 1985	64	20.5
Scoresby Research Institute	22.1	22.0	in 1985	46	20.0
Tatura Inst Sustainable Ag	23.3	23.2	in 2005	42	21.6
Essendon Airport	22.3	21.8	in 2005	38
Melbourne Airport	22.1	21.6	in 1985	37	20.3
Point Hicks (Lighthouse)	21.0	20.5	in 1978	37	19.6
Wonthaggi	21.6	20.6	in 1985	37	19.6
Lake Eildon	22.7	22.5	in 2002	36	20.7
Moorabbin Airport	22.3	21.7	in 1985	36	20.4
Weeaproinah	16.6	= 16.6	in 1988	26
Portland (Cashmore Airport)	19.5	19.4	in 2002	25
Morwell (Latrobe Valley Airport)	22.0	21.7	in 2005	24
Bundoora (Latrobe University)	22.4	21.5	in 2005	23
Noojee (Slivar)	20.7	20.1	in 1988	23
Wangaratta Aero	24.0	= 24.0	in 2005	20

Highest autumn mean daily maximum temperature for at least 20 years
	Mean daily maximum temperature for autumn 2007 (°C)	Most recent higher for autumn		Years since higher	Normal for autumn
Wilsons Promontory Lighthouse	18.8	18.9	in 1883	120	17.3
Gabo Island Lighthouse	20.3	20.7	in 1895	110	19.0
Cape Otway Lighthouse	18.8	18.9	in 1898	108	17.8
Omeo Comparison	19.7	19.9	in 1968	34	18.4
Orbost (Comparison)	22.0	22.4	in 1982	21	21.1

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Record highest autumn mean daily minimum temperature
	Mean daily minimum temperature for autumn 2007 (°C)	Previous highest for autumn		Years of record	Normal for autumn
Melbourne Regional Office	13.4	13.3	in 1974	152	11.8
Essendon Airport	11.6	11.4	in 1968	38
Strathbogie	8.1	8.0	in 1974	30
Bundoora (Latrobe University)	11.3	11.0	in 1985	24
Mount Buller	5.1	= 5.1	in 1989	21

Highest autumn mean daily minimum temperature for at least 20 years
	Mean daily minimum temperature for autumn 2007 (°C)	Most recent higher for autumn		Years since higher	Normal for autumn
Laverton RAAF	11.7	12.2	in 1974	33	10.2
Mildura Airport	12.2	12.8	in 1974	33	10.8
Moorabbin Airport	11.7	12.3	in 1974	33	10.9
Ararat Prison	8.9	9.7	in 1974	32	7.7
Cape Otway Lighthouse	13.2	13.4	in 1974	32	11.9
Castlemaine Prison	9.8	10.2	in 1974	28	7.8
Warracknabeal Museum	10.8	11.8	in 1974	28
Casterton Showgrounds	10.6	11.0	in 1974	27	9.1
Gabo Island Lighthouse	14.4	14.4	in 1980	26	13.8

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Summaries

 In the following table, certain key sites have been highlighted to make them easier to identify.

Summary statistics for autumn 2007
	Maximum temperatures for autumn (°C)				Minimum temperatures for autumn (°C)				Rainfall for autumn (millimetres)
	Mean for autumn 2007	Diff from normal	Highest for autumn 2007		Mean for autumn 2007	Diff from normal	Lowest for autumn 2007		Total for autumn 2007	Normal for autumn	Rank of autumn 2007	Fraction of autumn normal
North Mallee (district 76)
Mildura Airport	25.1	+1.6	39.4	23 Mar	12.2	+1.4	4.4	26 May	75.6	72.5	high	104%
Ouyen	24.9	+1.4	38.7	23 Mar	11.5	+1.3	5.0	10 May	199.0	87.0	highest	229%
Walpeup Research	24.2	+1.1	39.5	23 Mar	11.9	+1.3	4.7	30 May	150.1	86.0	very high	175%
South Mallee (district 77)
Hopetoun Airport	24.3		39.2	23 Mar	10.6		2.4	11 May	130.8
Swan Hill Aerodrome	24.2		38.6	3 Mar	10.6		2.6	27 May	122.4
North Wimmera (district 78)
Nhill	23.2	+1.3	37.7	23 Mar	9.8	+1.1	2.2	12 May	120.6	92.7	high	130%
Nhill Aerodrome	23.7		38.0	23 Mar	10.5		3.8	6 Apr	105.6
Warracknabeal Museum	23.6		37.8	23 Mar	10.8		4.5	26 May	130.2	102.9	high	127%
South Wimmera (district 79)
Edenhope Airport	22.3		34.7	22 Mar	10.4		4.0	25 Mar	139.6
Grampians	13.9		26.7	23 Mar	6.9		−0.6	30 May	380.4
Horsham	23.3	+1.5	38.8	23 Mar	9.7	+0.6	3.4	27 May	153.0	103.9	high	147%
Horsham Aerodrome	23.1		39.0	23 Mar	9.2		2.0	6 Apr	164.0
Kanagulk	22.1		34.2	22 Mar	10.3		4.1	12 May	143.6
Longerenong	23.0	+1.1	38.3	23 Mar	9.8	+0.9	1.7	25 Mar	128.2	99.9	high	128%
Stawell Aerodrome	21.8		36.9	23 Mar	10.1		3.6	27 May	169.4
Lower North (district 80)
Charlton	23.4		36.8	23 Mar	11.1		3.2	26 May	124.6
Echuca Aerodrome	24.0	+1.5	40.2	3 Mar	10.9	+1.1	3.2	11 May	130.2	116.1	high	112%
Kerang	24.4	+1.6	39.0	3 Mar	11.4	+1.1	4.1	27 May	104.9	104.9	normal	100%
Kyabram DPI	23.6	+2.0	39.3	3 Mar	10.9	+1.8	3.8	26 May	111.6	125.1	normal	89%
Upper North (district 81)
Bendigo Airport	22.2		35.9	23 Mar	9.8		1.6	27 May	173.2
Shepparton Airport	23.7		38.7	3 Mar	10.5		2.9	12 May	108.4
Tatura Inst Sustainable Ag	23.3	+1.6	38.3	3 Mar	10.0	+1.2	1.5	27 May
Yarrawonga	24.3		38.7	3 Mar	11.3		4.0	11 May	99.8
Lower Northeast (district 82)
Benalla Airport	23.6		37.2	3 Mar	10.2		1.0	27 May	163.2
Corryong Airport	23.1		35.3	3 Mar	8.2		1.4	26 Apr	181.6
Dartmouth Reservoir	22.3		35.3	3 Mar	8.9		1.5	27 May	167.6
Hunters Hill	18.1		30.0	3 Mar	10.0		1.7	22 May	259.0
Rutherglen Research	24.0	+1.9	37.7	3 Mar	9.5	+1.7	1.9	27 May	135.4	145.5	normal	93%
Strathbogie	20.2		34.2	3 Mar	8.1		1.1	26 Apr	274.2	246.4	normal	111%
Wangaratta Aero	24.0		37.6	3 Mar	9.0		0.8	27 May	151.2
Upper Northeast (district 83)
Falls Creek	11.1		22.6	3 Mar	4.4		−3.9	22 May	417.6
Mount Buller	11.1		23.8	3 Mar	5.1		−3.7	30 May	599.8
Mt Hotham	9.6		21.5	3 Mar	3.7		−4.7	31 May	591.4
Mt Hotham Airport	15.6		28.2	3 Mar	4.8		−3.8	10 May	145.8
Omeo	19.7		32.7	3 Mar	7.1		−1.1	12 May	109.6
Omeo Comparison	19.7	+1.3	32.8	3 Mar	6.7	+1.6	−1.2	12 May	110.0	163.0	low	67%
East Gippsland (district 84)
Combienbar AWS	19.3		32.7	23 Mar	10.8		4.7	31 May	136.2
Gabo Island Lighthouse	20.3	+1.3	26.0	3 Mar	14.4	+0.6	8.4	31 May	232.2	263.4	normal	88%
Gelantipy	17.8		30.9	3 Mar	8.3		1.4	31 May	113.6
Lakes Entrance	20.7		36.0	23 Mar	11.0		2.1	27 May	151.4
Mallacoota	21.0		33.3	23 Mar	12.3		5.0	23 May	138.0
Mt Nowa Nowa	20.1		35.4	3 Mar	11.9		6.6	22 May	217.2
Orbost	21.5		36.7	23 Mar	11.2		5.2	12 May	140.6
Orbost	22.0	+0.9	36.3	23 Mar	10.3	+0.5	4.2	12 May	139.4	240.1	low	58%
Point Hicks	21.0	+1.4	36.5	23 Mar	13.6	+0.4	6.4	24 May	116.2	263.8	lowest	44%
West Gippsland (district 85)
Bairnsdale Airport	21.3		35.5	23 Mar	9.8		0.9	27 May	102.8
East Sale Airport	21.3	+1.0	35.9	23 Mar	9.2	+0.3	−1.3	27 May	122.2	173.7	low	70%
Morwell	22.0		36.4	23 Mar	9.7		0.1	27 May	133.4
Mt Baw Baw	11.1		22.1	3 Mar	4.9		−2.8	30 May	269.0
Mt Moornapa	19.5		34.6	15 Mar	11.2		6.1	22 May	153.2
Noojee	20.7		34.5	3 Mar	8.2		0.9	27 May	226.2
Wilsons Promontory Lighthouse	18.8	+1.5	35.7	23 Mar	14.3	+1.3	5.6	30 May	251.2	290.5	normal	86%
East Central (district 86)
Bundoora	22.4		36.0	23 Mar	11.3		4.8	12 May	128.6
Cerberus	21.4		37.1	23 Mar	11.4		4.4	12 Apr	122.4
Coldstream	22.3		36.8	3 Mar	8.5		1.1	26 Apr	172.0
Cranbourne Botanic Gardens	21.6		36.8	23 Mar	11.3		6.1	13 May	146.7
Dunns Hill	18.0		31.7	23 Mar	10.4		3.1	30 May	169.8
Essendon Airport	22.3		37.1	23 Mar	11.6		5.5	26 Apr	113.2	154.1	low	73%
Frankston AWS	20.7		33.0	22 Mar	13.4		8.5	30 May
Kilmore Gap	18.5		33.1	23 Mar	9.9		3.5	30 May	177.8
Melbourne Airport	22.1	+1.9	37.5	3 Mar	11.5	+1.1	6.2	26 Apr	109.8	134.2	normal	82%
Melbourne Regional Office	22.7	+2.1	37.4	23 Mar	13.4	+1.6	7.5	30 May	104.0	164.0	low	63%
Moorabbin Airport	22.3	+1.9	37.4	23 Mar	11.7	+0.8	5.3	25 Apr	108.4	185.4	very low	58%
Rhyll	20.9		32.6	23 Mar	14.0		8.3	30 May	131.2
Scoresby Research Institute	22.1	+2.0	36.6	23 Mar	10.9	+0.3	3.4	26 Apr	121.8	226.4	lowest	54%
Viewbank	22.6		36.5	23 Mar	11.3		4.8	26 Apr	126.0
Wonthaggi	21.6	+2.0	36.1	23 Mar	11.5	+1.2	5.5	12 Apr	158.1	245.4	low	64%
West Central (district 87)
Avalon Airport	22.2		39.1	23 Mar	11.3		5.0	27 May	77.6
Geelong Airport	21.7		38.4	23 Mar	11.2		5.0	27 May	62.6
Laverton RAAF	22.1	+1.6	37.8	23 Mar	11.7	+1.4	4.2	26 Apr	95.8	140.8	low	68%
Point Wilson	20.0		34.1	23 Mar	14.0		7.5	30 May
Sheoaks	21.0		37.2	23 Mar	10.5		3.2	10 May	103.2
North Central (district 88)
Castlemaine Prison	21.3	+0.9	34.8	3 Mar	9.8	+2.0	2.0	11 May	250.8	149.3	high	168%
Eildon Fire Tower	19.8		34.2	3 Mar	10.5		3.5	30 May	186.6
Lake Eildon	22.7	+2.0	36.1	3 Mar	9.6	+1.2	2.2	10 May	220.2	207.4	high	106%
Mangalore Airport	22.8	+1.4	38.5	3 Mar	10.5	+1.4	1.3	27 May	143.4	145.3	normal	99%
Maryborough	22.1	+1.3	35.9	23 Mar	9.9	+0.9	3.2	27 May	157.6	135.9	high	116%
Redesdale	21.6		35.9	3 Mar	9.5		1.6	27 May	195.0	150.8	high	129%
Western Plains (district 89)
Ararat Prison	21.1	+1.7	35.7	23 Mar	8.9	+1.2	0.2	25 Mar	176.4	153.1	high	115%
Ballarat Aerodrome	19.9	+1.9	34.9	23 Mar	9.1	+1.1	2.6	17 Apr	146.8	168.3	normal	87%
Westmere	21.4		35.4	23 Mar	9.4		2.4	13 Apr	143.4
West Coast (district 90)
Aireys Inlet	20.6		36.7	23 Mar	12.7		6.3	30 May	116.4
Cape Nelson Lighthouse	19.0		30.5	22 Mar	13.4		8.0	22 May	255.4
Cape Otway Lighthouse	18.8	+1.1	35.9	23 Mar	13.2	+1.3	7.1	22 May	179.6	236.7	low	76%
Casterton	21.7		33.9	10 Mar	10.4		3.4	25 Mar	192.6
Casterton Showgrounds	21.9	+1.3	33.5	10 Mar	10.6	+1.5	4.3	25 Mar	197.5	143.4	high	138%
Colac	20.3		35.7	15 Mar	10.7		4.7	30 May	114.8
Hamilton Airport	21.1		33.1	22 Mar	9.9		3.9	22 May	132.4
Mortlake Racecourse	21.6		35.6	23 Mar	9.8		1.9	7 Apr	151.8
Port Fairy AWS	20.3		33.4	22 Mar	12.0		6.4	30 May	213.0
Portland	19.5		32.2	22 Mar	10.9		3.6	25 Mar	295.2
Warrnambool Airport Ndb	20.8		34.3	23 Mar	10.3		2.7	12 Apr	203.2
Weeaproinah	16.6		30.1	23 Mar	9.8		3.3	30 May	307.0	478.9	very low	64%

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Notes

Further information

Dr Harvey Stern
Climate Meteorologist
Victoria Climate Services Centre
Bureau of Meteorology
Phone (03) 9669 4956
Email climate.vic@bom.gov.au

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