Wednesday, 30 November 2011 - Monthly Climate Summary for Adelaide Metro & Hills - Product code IDCKGC13R0

Adelaide Metro & Hills in November 2011: Warm and dry across the Adelaide Plains and Hills.

• Above average temperatures, despite mild conditions towards the end of the month.
• Rainfall generally below average, most locations typically receiving only 50 to 80% of November average rainfall.

Extremes Records Summaries Important notes the top

Rainfall

Rainfall totals in the Adelaide region were generally below average for November 2011. Much of the month's rainfall was recorded in the last week of November associated with the passage of a series of low pressure troughs and frontal systems.

A total of 25.2 mm of rainfall was recorded over 10 rain days at Adelaide (Kent Town) during November 2011, 6.2mm below the long term November average of 31.5 mm for this site, occurring on an average of 8 days of rain. November 2010 saw 23.2mm of rainfall recorded, with the driest November at the Adelaide (Kent Town) site being 1.0mm in 1996. Median rainfall for November is 30.3 mm (Note: the rainfall total for the period is from the manually observed 203mm rain gauge making up the long term rainfall record. This may differ from totals on the Bureau's webpage as these may be from the automatic tipping bucket rain gauge).

Year-to-date rainfall (January to November 2011) at Adelaide (Kent Town) stands at 519.6 mm, slightly above than the long-term year-to-date average of 516.2 mm. Last year, 505.6 mm was recorded over the same 11-month period. Well above average rainfall for the first three months of the year and generally drier than normal conditions since April have kept rainfall totals near the long term average across the Adelaide Hills and Metropolitan area for 2011.

Rainfall totals varied across the Adelaide metropolitan area and Mount Lofty Ranges, however most were generally below average, ranging between about 15 mm to 30mm on the Adelaide plains and between 20 mm to 35 mm in the hills. These rainfall totals range between 50 to 80% of the average November rainfall. The highest rainfall reading was 49.2 mm at Athelstone (Black Hill).

Temperature

Average monthly maximum temperatures were up to 2.0°C above average for November 2011 across the Adelaide metropolitan and hills area. The warmest days were experienced between the 17th and 19th of the month, where north to north westerly winds were directed over the region ahead of a low pressure trough.

The November 2011 mean maximum temperature at Adelaide (Kent Town) was 26.7°C which is 1.5°C above the long-term mean maximum temperature. In comparison, November 2010 saw below average maximum temperatures of 24.3°C at Adelaide (Kent Town). November 2009 was the warmest on record for this site, with 30.8°C.

The hottest day for in November 2011 in the Adelaide region was on the 18th, recorded at both Edinburgh RAAF and Parafield Airport where the maximum temperature reached 38.3°C. Parafield Airport recorded the warmest days on average, with maximum temperatures averaging 28.0°C for the month.

The coldest November day in 2011, at Adelaide (Kent Town), was on the 25th, with the maximum only reaching 18.7°C, and the coldest maximum temperature recorded in the Adelaide & hills area being 14.9°C at Mt Lofty. The coolest days on average were recorded at Mount Lofty, where maximum temperatures averaged 20.9 °C.

Mean minimum temperatures were close to 1.0°C above average this November. The mean minimum temperature for November 2011 at Adelaide (Kent Town) was 14.7°C, which is 0.7C above the long-term mean minimum temperature.

The coolest nights on average were recorded at Mount Lofty, where minimum temperatures averaged 10.2 °C. The coldest minimum temperature recorded for the month in the Adelaide and hills area was 4.7°C on the 24th at Mount Lofty, whilst the warmest night was 24.6°C at Noarlunga on the 18th.

Extremes Records Summaries Important notes the top

Extremes Records Summaries Important notes the top