Victoria in August 2012: Mostly normal

August 2012 in Victoria was characterised by:

  • Near average rainfall (drier in the northwest, wetter in the far east)
  • Mostly close to normal daytime temperatures
  • Cooler than normal night-times in the northeast and East Gippsland.

Rainfall

Rainfall was close to normal for most of the State during August 2012. There were some higher than normal totals in the East Gippsland district and a large area of below average in the northwest. The wettest station overall was Beech Forest with 249.2 mm. The wettest single day was the 18th when Haines Junction (Mount Sabine) recorded 73.0 mm. There is a map of rainfall deciles below. No stations appear to have set any new records for rainfall this August.

Temperature

The warmest station on average (maximum and minimum temperatures combined) was Melbourne Regional Office with 11.6 C, whilst the coolest was Mount Hotham with -3.1 C.

Maximum temperature

Average maximum temperatures were cooler than normal in parts of the North East and East Gippsland districts. Daytime temperatures in other areas were close to normal for August. The hottest day was the 28th when Mildura Airport recorded 22.8 C and Mildura Airport recorded the warmest days on average with 17.7 C. The coldest day was the 31st when Mount Hotham recorded -4.5 C and Mount Hotham also recorded the coolest days on average with -1.3 C. There is a map of maximum temperature anomalies below.

Minimum temperature

Average minimum temperatures were cooler than normal in parts of the North East and East Gippsland districts. In most other parts, the average minimum temperature was typical for August. The coldest night was the 2nd when Mount Hotham recorded -7.8 C and Mount Hotham also recorded the coolest nights on average with -5.0 C. The warmest nights on average were recorded at Wilsons Promontory Lighthouse with 8.6 C and the warmest night of the month was the 23rd when Gabo Island Lighthouse and Melbourne Regional Office recorded 13.1 C. A couple of stations observed their lowest August mean daily minimum temperature on record. There is a map of minimum temperature anomalies below.

Wind

The strongest wind gust was 148 km/h recorded at Wilsons Promontory Lighthouse on the 9th.

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Extremes in August 2012
Hottest day 22.8 C at Mildura Airport on the 28th
Warmest days on average 17.7 C at Mildura Airport
Coolest days on average -1.3 C at Mount Hotham
Coldest day -4.5 C at Mount Hotham on the 31st
Coldest night -7.8 C at Mount Hotham on the 2nd
Coolest nights on average -5.0 C at Mount Hotham
Warmest nights on average 8.6 C at Wilsons Promontory Lighthouse
Warmest night 13.1 C at Gabo Island Lighthouse on the 23rd
13.1 C at Melbourne Regional Office on the 23rd
Warmest on average overall 11.6 C at Melbourne Regional Office
Coolest on average overall -3.1 C at Mount Hotham
Wettest overall 249.2 mm at Beech Forest
Wettest day 73.0 mm at Haines Junction (Mount Sabine) on the 18th
Highest wind gust 148 km/h at Wilsons Promontory Lighthouse on the 9th

Maps

Anomaly in mean maximum temperature

Map of Anomaly in mean maximum temperature

Anomaly in mean minimum temperature

Map of Anomaly in mean minimum temperature

Rainfall deciles

Map of Rainfall deciles

Record lowest August mean daily minimum temperature
Mean daily minimum
temperature
for August 2012 (C)
Previous coolest
for August
Years of
record
Average for
August
Eildon Fire Tower 3.2 = 3.2 in 2010 16 4.3
Mount Baw Baw -3.0 = -3.0 in 2010 14 -1.3

Summary statistics for August 2012
Maximum temperatures
for August
(C)
Minimum temperatures
for August
(C)
Rainfall
for August
(millimetres)
Mean for
August
2012
Diff
from
average
Highest for
August
2012
Mean for
August
2012
Diff
from
average
Lowest for
August
2012
Total for
August
2012
Average
for
August
Rank of
August
2012
Fraction of
August
average
Southwest Slopes (South) (district 72)
Albury Airport AWS 14.3 -0.7 19.4 22nd 2.8 -0.8 -1.8 2nd 52.4 65.8 average 80%
Hume Reservoir 14.1 -0.1 19.8 22nd 4.2 -0.7 0.2 1st 66.6 76.3 average 87%
North Mallee (district 76)
Mildura Airport 17.7 +0.4 22.8 28th 5.3 0.0 -0.9 1st 16.2 25.9 average 63%
Ouyen (Post Office) 17.5 +0.5 22.6 28th 5.4 +0.3 0.3 1st 15.6 32.7 low 48%
Walpeup Research 17.1 +0.8 22.7 28th 5.6 +0.2 1.5 1st 17.4 35.0 low 50%
South Mallee (district 77)
Hopetoun Airport 16.6 22.1 28th 3.7 -2.4 27th 14.8
Swan Hill Aerodrome 16.4 -0.4 22.6 22nd 4.2 +0.2 -1.1 27th 17.8 28.6 average 62%
North Wimmera (district 78)
Nhill Aerodrome 15.2 21.7 28th 4.6 -0.5 1st 33.6 43.0 low 78%
Warracknabeal Museum 15.5 -0.1 20.8 28th 4.6 +0.2 0.3 27th 32.8 44.2 average 74%
South Wimmera (district 79)
Edenhope Airport 14.0 19.9 28th 5.2 -0.1 1st 68.4
Grampians (Mount William) 4.9 10.4 28th 0.4 -2.5 30th 222.2
Horsham Aerodrome 14.5 -0.8 20.0 28th 3.0 -0.2 -1.3 7th 31.8 39.6 average 80%
Kanagulk 13.9 18.9 28th 4.2 -1.2 13th 55.8
Longerenong 14.7 -0.1 20.0 28th 3.4 -0.6 -0.6 1st 29.6 43.8 average 68%
Pyrenees (Ben Nevis) 7.8 13.5 28th 2.3 -0.4 30th 69.8
Stawell Aerodrome 13.1 -1.0 18.5 22nd 5.3 +0.7 0.0 13th 61.2 56.8 average 108%
Lower North (district 80)
Charlton 15.1 20.8 22nd 4.2 -0.8 13th 27.4
Echuca Aerodrome 15.2 -0.1 21.3 22nd 4.1 -0.6 -1.0 27th 24.8 42.4 low 58%
Kerang 16.2 +0.1 22.4 22nd 4.5 -0.4 0.3 13th 22.6 37.2 low 61%
Kyabram 14.6 -0.3 19.2 29th 3.5 -0.4 -1.2 7th 31.6 43.2 average 73%
Upper North (district 81)
Bendigo Airport 13.4 -0.9 17.6 22nd 2.8 +0.2 -2.1 27th 39.6 51.5 average 77%
Shepparton Airport 14.1 -1.0 19.6 29th 3.6 0.0 -1.9 2nd 34.6 47.2 average 73%
Tatura Inst Sustainable Ag 14.2 -0.5 19.3 29th 3.6 -0.3 -2.1 27th 30.8 47.2 low 65%
Yarrawonga 14.6 -0.8 20.7 29th 3.3 -0.4 -1.6 1st 36.2 39.8 average 91%
Lower Northeast (district 82)
Benalla Airport 13.8 18.4 22nd 3.3 -1.3 2nd 59.4
Corryong Airport 12.8 17.1 22nd 1.0 -3.9 2nd 89.0
Dartmouth Reservoir 12.2 -1.3 16.9 22nd 2.5 -0.2 -1.5 10th 134.6 125.2 average 108%
Rutherglen Research 14.0 0.0 18.4 22nd 1.1 -1.7 -4.3 2nd 46.0 60.7 average 76%
Strathbogie 10.5 -1.1 15.5 29th 2.3 0.0 -4.1 2nd 121.0 116.4 average 104%
Wangaratta Aero 13.9 -0.6 19.0 22nd 2.7 -0.3 -2.5 2nd 43.6 58.4 average 75%
Upper Northeast (district 83)
Dinner Plain (Mount Hotham Airport) 6.5 -1.4 12.3 22nd -1.8 -0.7 -6.2 2nd 67.6 79.3 average 85%
Edi Upper 12.6 -0.8 17.2 22nd 2.9 -1.0 -0.5 2nd 100.8 120.7 average 84%
Falls Creek -0.2 -2.3 5.3 22nd -4.0 -1.7 -6.6 10th
Mount Buller 0.1 -2.1 6.0 22nd -3.7 -1.5 -6.1 19th 183.2 150.4 average 122%
Mount Hotham -1.3 -2.0 4.5 22nd -5.0 -1.7 -7.8 2nd 190.2 141.4 average 135%
Omeo 10.6 15.4 22nd 1.1 -4.1 2nd 47.0
East Gippsland (district 84)
Combienbar AWS 11.7 -1.1 17.8 29th 4.2 -1.1 0.4 31st 107.8 62.9 high 171%
Gabo Island Lighthouse 14.8 +0.1 20.3 23rd 8.1 -0.4 5.9 5th 70.6 71.9 average 98%
Gelantipy 10.0 -1.2 14.6 27th 2.1 -0.8 -1.8 2nd 53.0 53.8 average 99%
Lakes Entrance (Eastern Beach Road) 15.5 21.4 29th 6.2 3.4 15th 42.6
Mallacoota 14.9 -0.9 20.1 23rd 5.8 -0.7 3.0 14th 124.6 66.8 high 187%
Mount Nowa Nowa 13.5 -1.0 19.6 23rd 5.7 -0.7 2.0 31st 50.8 63.0 average 81%
Orbost 15.2 -1.0 21.2 29th 5.6 -0.5 1.9 28th 70.2 62.4 average 113%
Point Hicks (Lighthouse) 14.6 -0.4 20.5 29th 8.3 -0.2 5.2 31st 114.2 78.7 high 145%
West Gippsland (district 85)
Bairnsdale Airport 15.7 0.0 20.1 23rd 4.0 -0.5 -0.3 27th 34.2 36.3 average 94%
East Sale Airport 15.2 +0.2 20.5 23rd 3.8 -0.3 -0.9 2nd 42.6 46.0 average 93%
Morwell (Latrobe Valley Airport) 15.0 +0.1 20.8 23rd 4.5 +0.2 -0.9 2nd 97.2 63.8 high 152%
Mount Baw Baw 1.4 -1.8 8.2 28th -3.0 -1.7 -5.4 6th 226.4 155.0 average 146%
Mount Moornapa 13.1 -0.6 19.2 29th 4.9 -0.8 1.4 31st 46.6 51.3 average 91%
Pound Creek 14.3 20.7 22nd 6.5 0.4 13th 107.0
Wilsons Promontory Lighthouse 13.2 +0.4 18.9 23rd 8.6 +0.3 5.3 10th 131.2 121.0 average 108%
Yarram Airport 14.9 21.6 23rd 4.6 -1.8 2nd 55.0
East Central (district 86)
Bundoora (Latrobe University) 14.2 -0.6 21.0 22nd 6.4 +0.2 0.8 2nd 82.3 57.4 high 143%
Cerberus 14.2 -0.5 18.6 28th 6.6 0.0 0.6 2nd 72.6 76.2 average 95%
Coldstream 14.0 -0.8 21.5 22nd 4.9 +0.6 -1.1 2nd 70.6 67.8 average 104%
Coldstream Comparison 14.1 21.5 22nd 4.8 -1.2 2nd 70.6
Cranbourne Botanic Gardens 14.3 -0.3 20.7 22nd 6.6 +0.2 2.0 2nd 76.9 79.5 average 97%
Essendon Airport 14.3 0.0 20.5 22nd 6.5 +1.0 1.2 2nd 44.8 48.7 average 92%
Ferny Creek 10.1 16.2 22nd 4.8 2.0 6th 143.0
Frankston AWS 13.4 -0.3 19.9 22nd 8.4 +0.1 4.1 13th
Melbourne Airport 14.1 -0.3 19.4 29th 5.9 0.0 1.6 2nd 49.4 46.2 average 107%
Melbourne Regional Office 15.2 +0.2 21.2 22nd 8.1 +1.4 3.1 2nd 52.6 50.1 average 105%
Moorabbin Airport 14.5 -0.4 20.1 22nd 7.4 +0.6 1.8 13th 46.8 65.9 low 71%
Phillip Island Penguin Reserve 14.2 -0.2 18.0 22nd 7.8 +0.6 1.3 1st 91.5 79.7 average 115%
Rhyll 13.9 -0.5 18.6 22nd 8.1 -0.3 5.2 2nd 95.6 76.8 high 124%
Scoresby Research Institute 14.1 -0.1 20.6 22nd 6.8 +0.5 1.1 1st 68.2 80.0 average 85%
Viewbank 14.4 -0.9 21.0 22nd 6.7 +0.5 0.8 2nd 60.8 57.2 average 106%
Wallan (Kilmore Gap) 9.9 -0.7 15.1 29th 3.6 -0.6 -0.7 25th 85.6 63.1 high 136%
Wonthaggi 14.1 -0.3 18.3 28th 7.0 +0.3 2.5 2nd 104.0 102.1 average 102%
West Central (district 87)
Avalon Airport 15.0 -0.5 19.5 28th 6.0 +0.5 0.9 2nd 56.0 44.5 average 126%
Breakwater (Geelong Racecourse) 14.9 19.8 28th 6.6 1.2 13th 78.8
Laverton RAAF 14.6 -0.3 20.1 22nd 6.4 +0.9 1.2 2nd 40.2 44.7 average 90%
Sheoaks 12.9 -0.5 19.2 22nd 5.3 0.0 0.3 27th 44.6 44.5 average 100%
North Central (district 88)
Castlemaine Prison 12.3 -1.0 17.4 22nd 3.4 -0.1 -1.1 1st 55.0 67.1 average 82%
Eildon Fire Tower 9.9 -0.6 15.3 22nd 3.2 -1.1 0.5 2nd 71.0 76.7 average 93%
Lake Eildon 13.3 -0.3 18.5 22nd 4.2 0.0 -0.4 1st 99.6 99.3 average 100%
Mangalore Airport 13.5 -0.6 18.8 29th 3.4 -0.5 -2.1 27th 53.4 62.8 average 85%
Maryborough 13.5 -0.4 19.2 22nd 3.7 -0.2 -1.3 7th 52.3 56.4 average 93%
Redesdale 12.9 -0.7 17.9 29th 3.0 0.0 -2.2 27th 60.8 60.8 average 100%
Western Plains (district 89)
Ararat Prison 12.9 -0.1 18.4 22nd 5.0 +1.1 -1.0 13th 80.9 69.4 average 117%
Ballarat Aerodrome 11.1 -0.3 16.8 22nd 3.2 -0.5 -2.7 13th 70.0 75.0 average 93%
Westmere 12.8 17.8 22nd 4.6 -1.6 13th 57.0
West Coast (district 90)
Aireys Inlet 14.2 -0.2 19.1 28th 6.9 -0.6 4.1 15th 60.0 67.7 average 89%
Cape Nelson Lighthouse 14.0 -0.5 20.9 28th 8.4 -0.3 5.9 24th 96.2 100.7 average 96%
Cape Otway Lighthouse 13.6 -0.3 17.7 28th 8.1 +0.3 4.7 13th 105.4 103.2 average 102%
Casterton 13.4 18.8 28th 5.4 -0.6 1st 86.2
Colac (Mount Gellibrand) 12.4 -0.3 17.0 28th 5.1 -0.5 2.6 27th 64.0 61.4 average 104%
Dartmoor 13.8 18.8 28th 5.8 -0.8 1st 105.4
Hamilton Airport 13.0 -0.3 18.2 22nd 4.8 0.0 0.6 13th 85.2 78.9 average 108%
Mortlake Racecourse 13.7 -0.2 18.9 22nd 4.7 -0.1 -1.5 13th 74.6 67.0 average 111%
Port Fairy AWS 14.6 -0.6 20.0 28th 7.5 +0.2 3.9 13th 89.0 88.0 average 101%
Portland (Cashmore Airport) 13.5 -0.5 19.1 28th 6.9 +0.2 2.9 13th 104.4 105.1 average 99%
Portland NTC AWS 13.7 17.8 28th 8.4 5.1 13th
Warrnambool Airport NDB 14.0 -0.5 19.5 28th 6.3 +0.5 0.4 13th 92.6 94.9 average 98%

Notes

A Monthly 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.

This statement has been prepared based on information available at 4 pm on Monday 3 September 2012. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages 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.

Further information

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Enquiries