Monday, 4 July 2011 - Monthly Climate Summary for Adelaide Metro & Hills - Product code IDCKGC13R0
Adelaide Metro & Hills in June 2011: A dry start to winter
- June rainfall below average.
- Maximum temperatures up to 1°C above of average.
- Minimum temperatures within 1°C of average.
June rainfall was generally below average across the wider Adelaide area. The wettest periods were between the 4th and the 10th and the 17th and 24th of the month when showers were generated in the cold, moist southerly flow following the passage of a series of cold fronts.
The June 2011 rainfall total at Adelaide (Kent Town) was 37.2 mm on 14 days. This is nearly half the long-term average of 79.3 mm on 15 days. Last year, 65.8 mm was recorded in June on 16 days.
The wettest rainfall recorded in the Adelaide and hills region for this month was at Uraidla with 105.6 mm.
Rainfall for the six months to the end of June at Adelaide (Kent Town) was 251.2 mm. The average for Kent Town for the first six moths is 238.2 mm.
Note that the Adelaide official climate rainfall record is taken from the manually observed 203mm rain gauge at the Kent Town site. These figures may differ from totals on some Bureau web pages as these may be from automatic tipping bucket rain gauge readings.
Average monthly maximum temperatures were within 1.0°C above average for June across the Adelaide metropolitan and hills area. The coldest days were experienced around the 8th to 13th of the month when a strong high pressure system to the south of the Great Australian Bight directed a cool to cold southerly flow across the Adelaide metropolitan area.
The mean June maximum temperature recorded at Adelaide (Kent Town) for June 2011 was 16.5°C which is 0.4°C above the long-term mean maximum temperature. In comparison, June 2010 saw average maximum temperatures of 15.8°C at Adelaide (Kent Town).
The record highest June mean maximum in Adelaide is 20.4°C set in 1957 at West Terrace.
The record lowest June mean maximum in Adelaide is 13.8°C set in 1908 at West Terrace.
The coldest day at Adelaide (Kent Town) was 13.1°C on the 9th, with the coldest maximum temperature recorded in the Adelaide & hills area being 7.1°C also on the 13th at Mt Lofty.
Mean minimum temperatures were within 1.0°C of average this June. The coldest nights were around the 14th to 15th and the 27th to 28th when conditions were fine and clear with light winds. The warmest nights were around the 3rd and on the night of the 29th, morning of the 30th with warm northerly winds and cloud cover ahead of an approaching cold front.
The mean minimum temperature for June 2011 at Adelaide (Kent Town) was 8.5°C, which is 0.4C above the long-term mean minimum temperature.
The record lowest June mean minimum in Adelaide is 5.5°C set in 1982 at Kent Town. Last June the mean minimum was 7.5°C.
The coldest minimum temperature recorded in the Adelaide and hills area was -0.2°C on the 15th at Parafield Airport, whilst the warmest night was 14.7°C at Kent Town on the 30th. This was the warmest June night in Adelaide since the 10th of June 2005 where 15.4°C was recorded.
|Extremes in June 2011|
|Hottest day||20.8 °C at Edinburgh RAAF on the 2nd|
|Warmest days on average||16.8 °C at Parafield Airport|
|Coolest days on average||10.4 °C at Mount Lofty|
|Coldest day||7.1 °C at Mount Lofty on the 13th|
|Coldest night||-0.2 °C at Parafield Airport on the 15th|
|Coolest nights on average||5.9 °C at Mount Lofty|
|Warmest nights on average||9.4 °C at Noarlunga|
|Warmest night||14.7 °C at Adelaide (Kent Town) on the 30th|
|Warmest on average overall||12.6 °C at Noarlunga|
|Coolest on average overall||8.1 °C at Mount Lofty|
|Wettest overall||105.6 mm at Uraidla|
|Highest wind gust||83 km/h at Adelaide Airport on the 20th|
|Summary statistics for June 2011|
|Adelaide (Kent Town)||16.5||+0.4||20.6||2nd||8.5||+0.4||3.6||14th||37.2||79.3||low||47%|
A Monthly Climate Summary is prepared to list the main features of the weather in Adelaide Metro & Hills 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 3 pm on Monday 4 July 2011. 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 20 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
(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.