Thursday, 3 September 2009 - Monthly Climate Summary for Adelaide Metro & Hills - Product code IDCKGC13R0

Adelaide Metro & Hills in August 2009
Near Record Average Temperature.

Summary

• 6th highest average temperature in 121 years.
• Very warm nights in Adelaide, with warmest August nights since 1993.
• Near average rainfall for Adelaide and environs.

An archive of previous monthly summaries for Adelaide Metro & Hills is also available, as are summaries for other states and many other climate summaries and diagnostics.

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Rainfall

The rainfall at the South Australian Regional Office, Kent Town, for August 2009 was 55.8 mm recorded on 16 days, which is below the long term average of 67.1 mm. Although the rainfall was below the long term average the most recent year that recorded less than this month was in 2007 when 25.8 mm was recorded. The lowest August rainfall occurred in 2006 with 11.4 mm.

Over the northern areas of the metropolitan and hills regions the rainfall recordings were slightly below average, but mostly average over the remainder. Most suburbs of Adelaide received between 40 and 60 mm during August. Over the higher parts of the Adelaide Hills rainfall totals in excess of 120 mm were recorded at several locations. The highest rainfall total was 164.8 mm recorded at Lenswood Research Centre in the Adelaide Hills.

For the first eight months of the year 376.8 mm have been recorded at the South Australian Regional Office. The long-term average is 384.9 mm for the same period.

Temperature

The average temperature over metropolitan Adelaide and adjacent hills area was above average for August, grading from 1.1°C above over the northern suburbs to 1.6°C above the long-term average over the southern suburbs. In the Adelaide Hills region the average temperature was about 1.7°C above the long-term average. The average temperature recorded at the South Australian Regional Office was 13.8°C which is the 6th highest August average temperature since official records began in 1887. The most recent warmer August was in 1993.

The mean maximum temperature recorded at the South Australian Regional Office (Kent Town) for August 2009 was 18.3°C, which is 1.6°C above the long-term mean maximum temperature. Last year, in contrast, was 1.9°C below the long-term August mean maximum temperature.

The hottest maximum temperature recorded in the Adelaide metropolitan and hills area was 26.7°C on the 15th at the South Australian Regional Office (Kent Town).

The mean minimum temperature for August 2009 at the South Australian Regional Office (Kent Town) was 9.4°C, which is 1.2°C above the normal August mean minimum temperature of 8.2°C. This is the equal 3rd highest August average minimum temperature during the past 121 years, the highest being 10.3°C in 1959, at the South Australian Regional Office. The lowest recorded average minimum temperature is 6.4°C in 1943. August, last year, the mean minimum temperature was 6.5°C.

The coldest minimum temperature recorded in the Adelaide metropolitan and hills area was −0.5°C on the 8th at Mount Barker, whilst the warmest night was 14.8°C at Noarlunga, on the 15th.

Further information

South Australian Regional Office
South Australian Climate Services Centre
Bureau of Meteorology
Phone (08) 8366 2600
Email climate.sa@bom.gov.au

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Extremes

Hottest day Highest temperature	26.7°C at Adelaide (Kent Town) on the 15th
Warmest days on average Highest mean daily maximum temperature	18.2°C at Adelaide (Kent Town)
Coolest days on average Lowest mean daily maximum temperature	11.9°C at Mount Lofty
Coldest day Lowest daily maximum temperature	7.5°C at Mount Lofty on the 24th
Coldest night Lowest temperature	−0.5°C at Mount Barker on the 8th
Coolest nights on average Lowest mean daily minimum temperature	6.3°C at Mount Lofty
Warmest nights on average Highest mean daily minimum temperature	9.8°C at Noarlunga
Warmest night Highest daily minimum temperature	14.8°C at Noarlunga on the 15th
Wettest overall Highest total rainfall	164.8 mm at Lenswood Research Centre
Highest wind gust	89 km/h at Noarlunga on the 24th

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Summaries

This table is very wide and may not fit if printed.

Summary statistics for August 2009
	Maximum temperatures for August (°C)				Minimum temperatures for August (°C)				Rainfall for August (millimetres)
	Mean for August 2009	Diff from average	Highest for August 2009		Mean for August 2009	Diff from average	Lowest for August 2009		Total for August 2009	Average for August	Rank of August 2009	Fraction of August average
Adelaide	18.2	+1.6	26.7	15th	9.4	+1.3	3.3	8th	55.8	67.1	average	86%
Adelaide Airport	17.8	+1.9	26.6	15th	8.7	+1.2	2.6	8th	32.2	49.5	low	65%
Edinburgh RAAF	17.7	+1.3	26.1	15th	7.3	+0.8	1.2	8th	29.0	49.4	average	59%
Mount Barker	16.1	+1.9	24.4	15th	6.4	+1.5	−0.5	8th	111.4	102.0	average	109%
Mount Lofty	11.9		21.0	15th	6.3		2.5	25th	116.8
Noarlunga	17.0		24.7	15th	9.8		4.8	8th	47.2
Parafield Airport	18.0	+1.8	26.2	15th	7.6	+0.9	0.8	8th	47.4	53.6	average	88%

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Notes

Further information

South Australian Regional Office
South Australian Climate Services Centre
Bureau of Meteorology
Phone (08) 8366 2600
Email climate.sa@bom.gov.au

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