Victorian Monthly Climate Summary: August 2006
Very dry, with cold nights and mild days

Monday 4 September, 2006

In Brief

Averaged across the State, it was the fifth-driest August on record in Victoria and the driest since 1982. Clear skies and light winds resulted in the fourth highest mean maximum temperature for the State and the third lowest mean minimum.

Details

Rainfall:

Victoria experienced a very dry August, with a number of places recording their lowest rainfall totals for more than 20 years.

Click here to view maps of rainfall for Victoria, and long term climate trends for Victoria.


Temperatures

Clear skies made for milder than usual days, with an unusually warm spell towards the end of the month, and for cold nights.

Click here to view maps of temperature for Victoria, and long term climate trends for Victoria.


Significant Weather Systems

High pressure systems dominated pressure patterns during August, and with the development of a particularly strong high over the Tasman Sea during the last week, warm air from well to the north was directed across the Victoria.


Melbourne Summary

Melbourne recorded only 34 mm of rain during the month (normal 57 mm), with the average minimum temperature for August 2006 being 7.9 degrees (normal 7.4 degrees), and the average maximum temperature being a mild 17.0 degrees (normal 15.1 degrees).

Included in this summary are a table of State extremes, some new records, and summaries for locations across the State. Visit our maps of rainfall and temperatures for this month.

Please contact us for further information.

Victoria Climate Centre
Bureau of Meteorology
Dr Harvey Stern (03) 9669 4949
Email climate.vic@bom.gov.au

This statement has been prepared based on information available at 9 AM on Monday 4 September 2006 . Although every effort has been made to check them, it is possible that results may change as new information becomes available.

Extremes

Weather extremes during August 2006

Highest temperature
Hottest day
25.6 °C Ouyen (Post Office) on 31st
Highest mean daily maximum temperature
Warmest days on average
19.2 °C Mildura Airport
Lowest mean daily maximum temperature
Coolest days on average
2.2 °C Mt Hotham
Lowest daily maximum temperature
Coldest day
−1.9 °C Mt Hotham on 19th
Lowest temperature
Coldest night
−5.4 °C Mt Hotham on 2nd
Lowest mean daily minimum temperature
Coldest nights on average
−3.0 °C Mt Hotham
Highest mean daily minimum temperature
Mildest nights on average
9.6 °C Wilsons Promontory Lighthouse
Highest daily minimum
Warmest night
12.2 °C Wilsons Promontory Lighthouse on 14th
Highest total rainfall
Wettest overall
64.6 mm Noojee (Slivar)
Lowest total rainfall
Driest overall
1.4 mm Swan Hill Aerodrome
Highest daily rainfall
Wettest day
23.6 mm Point Hicks (Lighthouse) on 25th

Records

Record Lowest Total Rainfall for August


Total rainfall
for August 2006 (mm)
Previous lowest
for August
Years of
record
Hamilton Airport 28.6 37.2
in 1998
24


Lowest Total Rainfall for 20 or more years for August


Total rainfall
for August 2006 (mm)
Most recent lower
for August
Ouyen 2.0 0.0
in 1914
Wonthaggi 24.9 21.7
in 1914
Kerang 2.2 1.8
in 1944
Ballarat Aerodrome 27.0 13.0
in 1982
Benalla 16.0 8.0
in 1982
Cape Otway Lighthouse 57.8 36.8
in 1982
Lake Eildon 35.4 31.2
in 1982
Wilsons Promontory Lighthouse 46.8 36.3
in 1982


Record Highest Mean Maximum Temperature for August


Mean daily maximum
temperature
for August 2006 (°C)
Previous highest
for August
Years of
record
Wangaratta Aero 16.1 15.8
in 1995
20


Highest Mean Maximum Temperature for 20 years or more for August


Mean daily maximum
temperature
for August 2006 (°C)
Most recent higher
for August
Echuca Aerodrome 17.5 20.4
in 1982
Longerenong 16.9 19.0
in 1982
Mangalore Airport 15.9 18.2
in 1982
Maryborough 15.5 17.9
in 1982
Ballarat Aerodrome 13.2 15.0
in 1982
Benalla 16.6 18.6
in 1982
Kerang 17.9 20.2
in 1982
Castlemaine Prison 14.8 17.2
in 1982
Horsham 17.0 18.6
in 1982
Warracknabeal Museum 17.4 19.7
in 1982


Record Lowest Mean Daily Minimum Temperature for August


Mean daily minimum
temperature
for August 2006 (°C)
Previous lowest
for August
Years of
record
Wangaratta Aero −0.1 0.3
in 1994
20


Record Lowest Temperature for August


Lowest temperature
in August 2006 (°C)
Previous lowest
for August
Years of
record
Longerenong −3.3
on 10th
−3.1
on 18th in 1969
66


Summaries

Summary statistics for August 2006


Maximum temperatures
for August
(°C)
Minimum temperatures
for August
(°C)
Rainfall
for August
(mm)
Mean for 2006 Difference from normal Highest for 2006 Mean for 2006 Difference from normal Lowest for 2006 Total for 2006 Normal total
Albury Airport 16.5 +1.9 22.1 1.8 −1.8 −1.5 25 87
Bairnsdale Airport 16.0 +0.6 20.4 3.9 −0.4 −0.3 40 37
Ballarat Aerodrome 13.2 +1.8 19.3 3.2 −0.6 −3.2 27 77
Benalla 16.6 +2.2 22.4 2.2 −1.7 −1.0 16 81
Bendigo Airport 15.8 +2.0 21.5 1.2 −3.4 −3.6 12 70
Cape Otway Lighthouse 13.8 +0.4 20.8 8.6 +0.8 3.7 58 119
Castlemaine Prison 14.8 +1.4 20.6 2.6 −1.0 −3.5 31 70
Cerberus 15.4 +1.7 22.2 5.7 −2.7 −1.0 46 77
Colac 13.6 −0.3 20.1 5.8 +1.0 2.8 29 98
Coldstream 15.5 +0.7 21.2 2.8 −1.9 −1.6 48 94
East Sale Airport 16.3 +1.4 20.9 3.2 −1.1 −2.8 38 49
Echuca Aerodrome 17.5 +2.1 23.7 2.2 −2.7 −1.7 7 47
Geelong Airport 16.1 +1.3 22.9 4.9 −1.1 −0.8 24 50
Hamilton Airport 14.4 +1.2 19.9 4.2 −0.6 −1.8 29 82
Horsham 17.0 +2.0 23.3 2.7 −1.8 −2.9 20 51
Kerang 17.9 +2.0 24.5 3.8 −1.6 −0.7 2 49
Kilmore Gap 11.7 +2.3 18.1 4.6 +1.5 2.0 25 87
Lake Eildon 15.6 +2.4 21.4 2.6 −1.8 −1.5 35 114
Longerenong 16.9 +2.1 23.3 2.5 −1.7 −3.3 16 48
Mangalore Airport 15.9 +1.8 22.1 2.3 −1.9 −2.7 17 71
Maryborough 15.5 +1.8 21.2 2.6 −1.5 −2.2 28 65
Melbourne Regional Office 17.0 +1.9 23.6 7.9 +0.5 2.8 34 57
Mildura Airport 19.2 +2.1 25.3 4.4 −1.0 −1.0 6 29
Morwell 15.6 +0.9 20.8 3.1 −1.4 −2.0 36 66
Mt Hotham 2.2 +1.1 10.7 −3.0 +0.8 −5.4 53 235
Nhill 17.0 +1.9 23.4 2.1 −2.2 −3.4 15 51
Noojee 14.1 +0.7 21.0 3.0 −0.5 −2.5 65 108
Orbost 16.2 +0.1 20.7 5.6 +0.5 1.6 48 68
Ouyen 19.1 +2.3 25.6 5.0 −0.2 0.8 2 37
Point Hicks 15.2 +0.5 20.5 8.6 +0.3 6.5 51 90
Portland 14.9 +1.0 20.7 6.4 −0.2 1.7 52 100
Shepparton Airport 16.8 +2.1 22.8 1.5 −2.9 −2.8 13 63
Stawell Aerodrome 15.7 +1.9 21.2 3.1 −1.6 −1.8 28 64
Swan Hill Aerodrome 18.3 +2.1 24.3 3.0 −2.2 −1.8 1 44
Wangaratta Aero 16.1 +1.8 21.5 −0.1 −3.4 −4.2 26 62
Warracknabeal Museum 17.4 +1.9 23.8 3.2 −1.3 −1.2 10 48
Warrnambool Airport Ndb 15.1 +1.3 20.1 5.0 −0.7 −0.9 33 107
Wilsons Promontory Lighthouse 13.5 +1.1 19.3 9.6 +1.0 8.1 47 121
Wonthaggi 15.3 +1.1 21.5 6.7 +0.1 1.0 25 103
Yarrawonga 16.9 +1.7 22.3 2.3 −1.4 −1.4 11 52

Note

This statement has been prepared based on information available at 9 AM on Monday 4 September 2006 . Although every effort has been made to check them, it is possible that results may change as new information becomes available.
Long term averages are calculated using the WMO standard of 1961 to 1990.
Climate averages for Victoria localities are available here.
Please use the following localities to cover these regions: Coldstream for the Yarra Glen area; Ceberus for the Mornington Peninsula; Morwell for the Latrobe Valley; Mangalore for Seymour; Mt Hotham for the Alpine area.
Daily Weather Observations for selected Victoria localities are available here.

Please contact us for further information.

Victoria Climate Centre
Bureau of Meteorology
Dr Harvey Stern (03) 9669 4949
Email climate.vic@bom.gov.au