Victoria in autumn 2015: Below-average temperatures and rainfall

Autumn rainfall was generally below average across central to western Victoria and above average for much of Gippsland. Both maximum and minimum autumn temperatures were cooler than average across the west of the State and areas of the south and eastern Victoria. Some small areas in the far west of the State were very much cooler than average.

  • Cooler than average overall
  • Below-average rainfall across much of the State
  • Above-average rainfall in East Gippsland

Overall, this autumn saw average to below-average rainfall except in eastern and central Gippsland and small patches in the North Mallee and Otway Ranges. Several small areas of very-much-below-average rainfall were recorded in the Wimmera, northern and central Victoria. Overall, statewide average rainfall was 19.3% below the long-term (1961–1990) average.

East Gippsland and small patches in the North Mallee and Otway Ranges recorded above-average rainfall during autumn. Heavy rain on 8 April saw three sites in East Gippsland record their highest daily autumn rainfall.

The statewide mean maximum temperature was 0.53 °C below the long-term average, the lowest since 2011. The statewide mean minimum temperature was 0.46 °C below the long-term average, the lowest since 2006.

Further information

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Extremes in autumn 2015
Hottest day 40.3 °C at Mildura Airport on 19 Mar
Warmest days on average 23.3 °C at Mildura Airport
Coolest days on average 7.8 °C at Mount Hotham
Coldest day -2.0 °C at Mount Hotham on 13 May
Coldest night -6.5 °C at Omeo on 24 May
Coolest nights on average 1.9 °C at Mount Hotham
Warmest nights on average 13.1 °C at Gabo Island Lighthouse
Warmest night 19.0 °C at Rutherglen Research on 1 Mar
Warmest on average overall 16.6 °C at Mildura Airport
Coolest on average overall 4.9 °C at Mount Hotham
Wettest overall 693.6 mm at Haines Junction (Mount Sabine)
Driest overall 29.7 mm at Lake Boga (Kunat)
Wettest day 136.4 mm at Weeragua (Cann River (East Branch) at Ch on 23 Apr
Strongest wind gust 156 km/h at Wilsons Promontory Lighthouse on 5 Mar

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

Click on a map to show it full size in a pop-up window


Record highest autumn daily rainfall
New record
(mm)
Old
record
Years of
record
Buchan South 97.8 on 8 Apr 80.0 on 3 Apr 1978 48
Falls Creek 97.4 on 18 Apr 93.4 on 1 Mar 2012 22
Combienbar AWS 101.8 on 8 Apr 92.2 on 22 Mar 2011 21
Gelantipy 72.6 on 8 Apr 65.0 on 2 Mar 2012 21



Record lowest autumn total rainfall
New record
(mm)
Old
record
Years of
record
Average for
autumn
Yan Yean 40.6 42.8 in 2005 157 161.4
Kinglake West (Wallaby Creek) 69.4 98.4 in 2005 129 273.6
Toorourrong Reservoir (Toorourrong) 26.6 56.4 in 2005 123 186.8
Warburton (O'Shannassy Reservoir (Quarte 101.4 102.6 in 2005 101 302.5
Mitcham 61.6 68.4 in 2005 78 209.8



Record lowest autumn daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
autumn
Phillip Island Penguin Reserve 12.1 on 23 May 12.5 on 7 May 1998 30 19.6



Lowest autumn mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Years since
lower
Average for
autumn
Port Fairy AWS 18.1 17.8 in 1995 20 19.3
Portland (Cashmore Airport) 17.3 16.8 in 1995 20 18.5



Lowest autumn mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
lower
Years since
lower
Average for
autumn
Melbourne Airport 9.4 9.0 in 1984 31 10.4
Frankston AWS 11.6 11.5 in 1995 20 12.5
Sheoaks 8.2 8.1 in 1995 20 9.0



Record lowest autumn mean temperature
New record
(°C)
Old
record
Years of
record
Average for
autumn
Hamilton Airport 13.0 13.1 in 2011 30 14.1

Lowest autumn mean temperature for at least 20 years
Observed
(°C)
Most recent
lower
Years since
lower
Average for
autumn
Cerberus 14.3 13.7 in 1995 20 15.0
Frankston AWS 14.9 14.6 in 1995 20 15.9
Mortlake Racecourse 13.1 12.9 in 1995 20 14.1
Port Fairy AWS 14.3 14.1 in 1995 20 15.1



Summary statistics for autumn 2015
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
autumn
2015
Diff
from
average
Highest for
autumn
2015
Mean for
autumn
2015
Diff
from
average
Lowest for
autumn
2015
Total for
autumn
2015
Average
for
autumn
Rank of
autumn
2015
Fraction of
autumn
average
North Mallee (district 76)
Mildura Airport 23.3 -0.4 40.3 19 Mar 9.9 -0.6 2.0 24 May 93.0 64.5 high 144%
Ouyen (Post Office) 23.1 -0.5 39.2 19 Mar 9.6 -0.3 2.5 24 May 60.3 73.2 average 82%
Walpeup Research 22.6 -0.5 39.1 19 Mar 9.8 -0.5 2.5 14 May 62.6 74.8 average 84%
South Mallee (district 77)
Hopetoun Airport 22.5 -1.3 38.3 19 Mar 8.9 -0.1 1.4 24 May 47.8 62.4 low 77%
Swan Hill Aerodrome 22.9 -0.8 39.2 19 Mar 9.0 -0.3 0.7 24 May 36.8 60.2 low 61%
North Wimmera (district 78)
Nhill Aerodrome 20.9 -1.8 33.3 19 Mar 8.1 -0.9 0.1 23 May 41.2 60.3 low 68%
Warracknabeal Museum 21.5 -1.0 36.0 19 Mar 8.6 -0.5 1.5 23 May 52.2 85.4 low 61%
South Wimmera (district 79)
Edenhope Airport 19.8   30.6 22 Mar 8.0   0.5 20 Apr 101.2 95.9 average 106%
Grampians (Mount William) 11.3   22.1 19 Mar 4.3   -1.7 13 May 340.0 266.4 high 128%
Horsham Aerodrome 21.0 -1.3 34.4 19 Mar 6.9 -0.5 -2.0 23 May 38.4 70.7 v low 54%
Kanagulk 19.7 -1.7 30.9 1 Apr 7.7 -1.0 -0.6 24 May 109.6 94.0 high 117%
Longerenong 21.1 -0.5 35.6 19 Mar 7.4 -0.9 -2.4 23 May 36.4 94.6 v low 38%
Pyrenees (Ben Nevis) 14.5   27.9 19 Mar 6.4   -0.4 13 May 186.8
Stawell Aerodrome 19.3 -1.5 32.3 19 Mar 8.5 -0.1 1.4 24 May 61.4 83.2 average 74%
Lower North (district 80)
Charlton 22.0 -1.0 36.8 19 Mar 8.7 -0.6 0.6 23 May 50.4 74.1 low 68%
Echuca Aerodrome 22.3 -0.1 36.3 19 Mar 8.8 -0.8 -0.1 24 May 49.9 103.4 low 48%
Kerang 22.7 -0.2 37.7 19 Mar 9.2 -0.4 3.5 13 May 48.4 88.5 low 55%
Kyabram 22.2 +0.4 35.8 19 Mar 8.7 -0.4 -1.1 24 May 50.8 107.5 low 47%
Upper North (district 81)
Bendigo Airport 20.8 -0.5 34.5 19 Mar 8.0 -0.2 -1.3 24 May 84.2 104.8 average 80%
Shepparton Airport 21.8 -0.6 35.5 19 Mar 8.7 0.0 -1.4 24 May 61.4 98.2 average 63%
Tatura Inst Sustainable Ag 21.2 -0.5 35.1 19 Mar 8.6 0.0 -1.2 24 May 52.0 112.8 low 46%
Yarrawonga 22.6 -0.3 35.3 19 Mar 9.2 0.0 -0.5 23 May 97.4 100.1 average 97%
Lower Northeast (district 82)
Benalla Airport 21.6   33.7 19 Mar 8.2   1.1 18 May 102.0
Corryong Airport 21.4   32.8 11 Mar 6.3   -3.0 24 May 123.6
Dartmouth Reservoir 20.0 -0.8 30.6 19 Mar 7.9 +0.4 -1.2 24 May 223.7 204.3 average 109%
Hunters Hill 16.1 -0.5 26.6 19 Mar 8.0 -0.4 0.1 13 May 266.8 226.6 high 118%
Rutherglen Research 22.2 +0.1 34.2 19 Mar 6.5 -0.9 -2.8 24 May 92.4 131.0 average 71%
Strathbogie 18.2 -0.8 29.9 19 Mar 5.7 -0.4 -3.6 24 May 150.2 218.5 low 69%
Wangaratta Aero 21.9 -0.6 33.7 19 Mar 7.5 +0.3 -2.6 24 May
Upper Northeast (district 83)
Falls Creek 9.1 -0.8 17.2 3 Mar 2.9 -0.3 -5.2 13 May 345.8 279.0 average 124%
Mount Buller 9.0 -1.1 18.7 19 Mar 2.8 -1.0 -4.9 13 May 401.8 315.6 high 127%
Mount Hotham 7.8 -0.8 16.4 3 Mar 1.9 -0.8 -5.8 13 May 539.8 350.1 high 154%
Omeo 17.7 -1.0 29.1 19 Mar 5.3 -0.4 -6.5 24 May 138.8 121.7 average 114%
East Gippsland (district 84)
Combienbar AWS 17.0 -0.8 31.5 19 Mar 9.1 -0.6 2.4 23 May 344.6 236.7 high 146%
Gabo Island Lighthouse 19.4 +0.4 25.5 5 May 13.1 -0.3 7.0 25 May 252.8 256.5 average 99%
Gelantipy 15.4 -1.1 29.1 19 Mar 7.0 -0.1 -1.0 24 May 206.8 170.0 high 122%
Lakes Entrance (Eastern Beach Road) 19.6   30.4 19 Mar 10.5   1.8 26 May 160.4
Mallacoota 19.7 -0.2 28.1 19 Mar 11.5 -0.2 2.9 31 May 344.6 253.8 high 136%
Mount Nowa Nowa 18.0 -1.2 35.2 19 Mar 10.0 -0.7 3.5 24 May 275.8 203.4 high 136%
Orbost 20.0 -0.8 35.9 19 Mar 10.2 -0.5 2.5 25 May 229.4 193.6 average 118%
Point Hicks (Lighthouse) 19.5 -0.2 31.6 23 Mar     6.7 17 May 317.6 249.1 high 127%
West Gippsland (district 85)
Bairnsdale Airport 20.1 -0.6 36.2 19 Mar 8.5 -0.4 0.2 24 May 178.0 148.4 average 120%
Corner Inlet (Yanakie) 19.5   31.2 19 Mar 9.8   2.5 26 May 137.2
East Sale Airport 19.6 -0.6 35.1 19 Mar 8.6 -0.2 -0.8 24 May 149.4 149.5 average 100%
Morwell (Latrobe Valley Airport) 19.8 -0.8 34.7 19 Mar 8.3 -0.5 -0.2 26 May 151.6 161.0 average 94%
Mount Baw Baw 8.8 -1.3 19.8 19 Mar 2.8 -1.0 -4.2 13 May 468.2 378.9 high 124%
Mount Moornapa 17.8 -0.6 35.5 19 Mar 9.1 -0.8 2.5 13 May 260.6 191.6 high 136%
Pound Creek 19.2   32.4 19 Mar 9.0   0.8 13 Apr 201.4
Wilsons Promontory Lighthouse 16.9 -0.3 27.2 1 Apr 12.8 +0.1 7.3 13 May 247.0 267.2 average 92%
Yarram Airport 19.4   33.5 19 Mar 8.6   -0.4 24 May 139.0
East Central (district 86)
Bundoora (Latrobe University) 19.8 -0.7 33.2 19 Mar 9.8 -0.3 2.0 26 May 125.6 150.9 low 83%
Cerberus 19.0 -0.8 31.5 19 Mar 9.6 -0.7 1.2 26 May 146.4 176.8 average 83%
Coldstream 20.2 -0.5 33.5 19 Mar 7.2 -0.1 -1.7 26 May 173.4 173.7 average 100%
Cranbourne Botanic Gardens 19.4 -0.5 32.1 19 Mar 9.6 -0.8 3.9 21 Apr 160.2 178.3 average 90%
Essendon Airport 20.1 0.0 34.0 19 Mar 9.8 -0.2 2.8 26 May 116.8 142.9 average 82%
Ferny Creek 15.7   28.6 19 Mar 8.5   1.7 13 May 344.4
Frankston AWS 18.3 -0.9 28.1 19 Mar 11.6 -0.9 5.9 24 May
Melbourne (Olympic Park) 19.7   33.5 19 Mar 11.2   5.4 26 May 97.4
Melbourne Airport 20.0 -0.3 34.1 19 Mar 9.4 -1.0 3.3 25 May 85.8 120.0 low 72%
Moorabbin Airport 19.7 -0.6 33.2 19 Mar 10.2 -0.5 3.4 26 May 129.0 175.9 low 73%
Rhyll 18.8 -0.6 28.1 14 Mar 12.0 -0.6 6.9 24 May 185.8 170.3 average 109%
Scoresby Research Institute 19.8 -0.3 33.2 19 Mar 9.3 -0.9 0.9 24 May 162.6 211.3 low 77%
Viewbank 20.1 -1.1 32.8 19 Mar 9.5 -0.7 2.4 26 May 119.2 151.7 low 79%
Wonthaggi 19.0 -0.7 31.2 19 Mar 10.7 +0.3 5.8 13 Apr 220.8 237.7 average 93%
West Central (district 87)
Avalon Airport 20.0 -0.7 34.3 19 Mar 9.5 -0.4 1.4 26 May 87.8 97.7 average 90%
Breakwater (Geelong Racecourse) 19.6   34.0 19 Mar 10.1   4.3 13 Apr
Laverton RAAF 19.9 -0.3 35.6 19 Mar 9.7 -0.4 3.0 24 May 80.2 126.1 low 64%
Sheoaks 18.5 -0.7 32.3 19 Mar 8.2 -0.8 1.5 24 May 94.6 93.4 average 101%
North Central (district 88)
Castlemaine Prison 19.2 -0.9 31.8 19 Mar 7.7 -0.2 -0.6 24 May 82.8 129.2 low 64%
Eildon Fire Tower 17.2 -1.0 28.4 19 Mar 8.1 -1.0 0.4 13 May 112.0 137.7 average 81%
Lake Eildon 20.3 -0.6 32.0 19 Mar 7.4 -0.7 -0.5 24 May 138.4 190.9 low 72%
Mangalore Airport 21.1 -0.3 34.6 19 Mar 8.6 -0.3 0.5 26 May 58.2 128.2 low 45%
Maryborough 20.2 -0.5 34.4 19 Mar 8.1 -0.4 -0.8 24 May 83.8 118.8 average 71%
Redesdale 20.8 +0.2 33.7 19 Mar 7.3 -0.4 -1.3 24 May 65.0 128.9 low 50%
Wallan (Kilmore Gap) 16.7 -0.3 30.3 19 Mar 8.1 -0.8 2.5 13 May 119.6 156.3 low 77%
Western Plains (district 89)
Ararat Prison 19.1 -0.5 34.5 19 Mar 7.1 -0.3 -0.5 25 Mar 84.9 124.7 low 68%
Ballarat Aerodrome 17.4 -0.4 31.8 19 Mar 6.7 -1.0 -2.6 24 May 106.4 157.8 low 67%
Westmere 18.8   31.8 19 Mar 6.9   -1.5 13 Apr 81.6 102.5 low 80%
West Coast (district 90)
Aireys Inlet 18.5 -0.5 31.4 19 Mar 11.0 -0.7 6.0 13 May 135.0 135.2 average 100%
Cape Nelson Lighthouse 17.3 -0.9 28.4 1 Apr 11.7 -0.7 4.9 17 May 177.4 153.5 high 116%
Cape Otway Lighthouse 17.0 -1.0 29.7 17 Mar 11.6 0.0 5.9 24 May 260.4 217.3 high 120%
Casterton 18.6 -2.0 30.1 22 Mar 7.6 -1.4 0.2 24 May 177.2 139.3 high 127%
Colac (Mount Gellibrand) 17.6 -1.5 30.2 19 Mar 8.9 -0.9 3.6 13 May 101.0 109.4 average 92%
Dartmoor 18.4   30.4 22 Mar 8.0   0.2 24 May 182.2
Hamilton Airport 18.3 -1.7 29.9 19 Mar 7.7 -0.6 0.8 24 May 143.6 124.8 average 115%
Mortlake Racecourse 18.7 -1.3 31.3 17 Mar 7.5 -0.6 -0.7 13 Apr 134.2 123.7 average 108%
Port Fairy AWS 18.1 -1.2 30.6 17 Mar 10.5 -0.5 2.6 17 May 170.6 157.6 average 108%
Portland (Cashmore Airport) 17.3 -1.2 28.7 1 Apr 9.6 -0.4 1.8 17 May 246.4 186.6 high 132%
Warrnambool Airport NDB 18.3 -1.6 31.5 17 Mar 8.6 -0.4 0.3 24 May 169.8 169.6 average 100%

Notes

A Seasonal Climate Summary is prepared to list the main features of the weather in Victoria using the most timely and accurate information available on the date of publication; it will generally not be updated. Later information, including data that has had greater opportunity for quality control, will be presented in the Monthly Weather Review, usually published in the fourth week of the month.

A Climate Summary is generally published on the first working day of each month.

This statement has been prepared based on information available at 12 pm on Monday 1 June 2015. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages for individual sites are long-term means based on observations from all available years of record, which vary widely from site to site. They are not shown for sites with less than 10 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average rain.

The Rank indicates how rainfall this time compares with the climate record for the site, based on the decile ranking (very low rainfall is in decile 1, low in decile 2 or 3, average in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of average shows how much rain has fallen this time as a percentage of the long-term mean.

The ACORN-SAT dataset is used for temperature area averages.

Further information

Media
(03) 9669 4057
Enquiries