Monday, 1 September 2008 - Monthly Climate Summary for Adelaide Metro & Hills - Product code IDCKGC23R0

Adelaide Metro & Hills in August 2008
Relatively normal but cool August

Summary

  • Rainfall has been near normal for August 2008 in the Adelaide metropolitan area.
  • Average to above average rainfall in the Adelaide Hills.
  • Adelaide metropolitan area's temperature was nearly 2°C below the August average.

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.

Rainfall

Adelaide Regional Office rainfall for August 2008 was 84.8 mm, recorded on 22 days. This is 18.3 mm below the normal of 66.5 mm on 16 days. (The Adelaide Regional Office rainfall total is from the manually observed 203 mm rain gauge. This may differ from totals on the Bureau's webpage as these may be from the automatic tipping bucket rain gauge).

A few locations in the Adelaide Hills area recorded above average rainfall for August. The highest reading was 174.8 mm at Longwood.

The total rainfall for the first 8 months of 2008 at the Adelaide Regional Office was 319.2 mm, which is 65.2 mm below the long-term average of 384.4 mm. Last year 348.6 mm was recorded over the same period.

Some sites had their lowest August mean daily maximum temperature on record.

Some sites had their lowest August mean daily minimum temperature on record.

Some sites had their lowest August mean daily minimum temperature for at least 25 years.

Temperatures

The mean maximum temperature for August 2008 was in the range of 14.0°C, in the southern suburbs, to 14.8°C in the greater metropolitan area, which is below the normal August mean maximum temperature. In the hills area the mean maximum temperature was near normal.

This has been the coolest mean maximum at the South Australian Regional Office (Kent Town) for August since 1989 when the mean maximum was 14.9°C whilst the coolest August mean maximum was 14.1°C which occurred in 1951 at the West Terrace site. The mean maximum last year was 18.5°C. The coldest day recorded at the Adelaide Regional Office with a maximum of 11.7°C was on the 10th August.

Adelaide's August mean daily minimum temperature of 6.5°C was 1.7°C below the average of 8.2°C and the lowest for at least 25 years. Minimums were also below normal for August in Adelaide hills area.

This has been the coolest mean minimum at the Adelaide Regional Office for August since 1978 when the mean minimum was 6.7°C whilst the coolest August mean minimum recorded was 4.8°C in 1899 at the West Terrace site. The lowest daily minimum temperature recorded at the Adelaide Regional Office was 2.4°C on the morning of the 24th.

The lowest daily minimum temperature recorded at Parafield Airport was −0.7°C on the morning of the 28th.

Further information

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

Extremes

Hottest day
Highest temperature
19.6°C at Edinburgh RAAF on the 30th
19.6°C at Parafield Airport on the 30th
Warmest days on average
Highest mean daily maximum temperature
15.1°C at Parafield Airport
Coolest days on average
Lowest mean daily maximum temperature
13.3°C at Mount Barker
Coldest day
Lowest daily maximum temperature
10.2°C at Mount Barker on the 6th
Coldest night
Lowest temperature
−0.7°C at Mount Barker on the 28th
Coolest nights on average
Lowest mean daily minimum temperature
3.7°C at Mount Barker
Warmest nights on average
Highest mean daily minimum temperature
7.3°C at Noarlunga
Warmest night
Highest daily minimum temperature
11.2°C at Adelaide Airport on the 1st
Wettest overall
Highest total rainfall
174.8 mm at Longwood
Highest wind gust
91 km/h at Edinburgh RAAF on the 1st

Records

Record lowest August mean daily maximum temperature
Mean daily maximum
temperature
for August 2008 (°C)
Previous lowest
for August
Years of
record
Normal for
August
Adelaide (Kent Town) 14.8 14.9 in 1989 32 16.7



Record lowest August mean daily minimum temperature
Mean daily minimum
temperature
for August 2008 (°C)
Previous lowest
for August
Years of
record
Normal for
August
Parafield Airport 4.8 4.9 in 1995 52 6.7
Adelaide (Kent Town) 6.5 6.7 in 1978 32 8.2


Summaries

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

Summary statistics for August 2008
Maximum temperatures
for August
(°C)
Minimum temperatures
for August
(°C)
Rainfall
for August
(millimetres)
Mean for
August
2008
Diff
from
normal
Highest for
August
2008
Mean for
August
2008
Diff
from
normal
Lowest for
August
2008
Total for
August
2008
Normal
for
August
Rank of
August
2008
Fraction of
August
normal
Adelaide 14.8 −1.9 18.7 28th 6.5 −1.7 2.4 24th 79.8 66.9 average 119%
Adelaide Airport 14.5 −1.4 18.7 30th 6.4 −1.1 2.3 23rd 69.8 49.8 high 140%
Edinburgh RAAF 14.9 −1.6 19.6 30th 5.1 −1.4 0.9 23rd 58.4 50.0 average 117%
Mount Barker 13.3 −0.9 16.5 30th 3.7 −1.3 −0.7 28th 125.6 101.9 high 123%
Noarlunga 14.0   17.5 29th 7.3   4.6 22nd 69.8
Parafield Airport 15.1 −1.1 19.6 30th 4.8 −1.9 −0.1 24th 60.6 54.2 average 112%

Notes

This statement has been prepared based on information available at 9 am on Monday 1 September 2008. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Normals 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 20 years of record, as they cannot then be calculated reliably.
The median is sometimes more representative than the mean of long-term average ("normal") 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, normal in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of normal shows how much rain has fallen this time as a percentage of the long-term mean.

Further information

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