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Thursday, 1 July 2010 - Monthly Climate Summary for South Australia - Product code IDCKGC23R0
Rainfall during June was below average across most of inland South Australia, and also below average across the Agricultural districts for most of June. The passage of a cold front on the 29th delivered good rainfall to agricultural areas over the last few days however, resulting in rainfall totals close to the long-term June average in some parts.
Rainfall during the first 6 months of the year has been above average across the northeast of South Australia. Across most of the agricultural districts, rainfall this year to date has been close to average, with pockets of below average, and pockets of above average rainfall, mainly in coastal areas.
Rainfall was below average across most of the pastoral districts in June, with only a few locations receiving close to average rainfall. Oodnadatta Airport reported no rainfall, which equals the lowest rainfall record in June for Oodnadatta last set in June 2007. All rainfall totals were less than 10 mm, with the exception of Nonning in the Northwest District which received 14.5mm.
Rainfall totals were generally average to below average across the Agricultural districts. Rainfall totals in the Upper North and Upper Murray Valley districts were close to 10mm. Totals ranged from about 30 to 70mm across the Western Agricultural District, Lower North and Lower Murray Valley districts, and between about 40 and 90mm in the West Central districts. In the East Central Districts, totals ranged between 40 and 60mm, increasing to between 80 and 150mm in the Mount Lofty Ranges. The Murray Mallee and Upper Southeast districts saw totals between about 20 and 40mm, whilst the Lower Southeast District had totals ranging from about 50 to 100mm.
Rainfall during the growing season (April to October) has generally been close to average so far, with some locations near the coast recording above average rainfall for the April to June period. Lameroo Comparison is the only location with below average rainfall for this period.Oodnadatta Airport had its lowest total June rainfall on record. Some sites had their lowest total June rainfall for at least 25 years. See a map of rainfall deciles.
Mean temperatures (average of the daily maximum and minimum mean temperatures) were close to average across the State during June.
Mean maximum temperatures were generally within 1°C of the June long-term average.
In the Pastoral districts, mean maximum temperatures ranged from 15.0°C at Yunta Airstrip in the North East District to 20.0°C at Marree Comparison in the Far North District. The highest recorded maximum temperature in the Pastoral districts for June was 26.0°C at Marree Comparison on the 24th. Ernabella (Pukatja) recorded the lowest maximum temperature of 11.1°C on the 12th.
In the Agricultural districts, mean maximum temperatures ranged from 10.1°C at Mount Lofty to 17.7°C at Nullarbor and Ceduna. The highest recorded maximum temperature for June in the Agricultural districts was 25.2°C at Nullarbor on the 23rd. Mount Lofty recorded the lowest maximum temperature of 6.2°C on the 29th.
Mean maximum temperatures have been above average across the south and west of the state this year so far, and average to below average in the northeast.
Mean minimum temperatures were generally within 1°C of the June long-term average, with a few stations in the southeast close to or more than 1°C below the long-term average.
In the Pastoral districts, the mean minimum temperatures ranged from 3.4°C at Yunta Airstrip in the North East District to 7.1°C at Andamooka in the Northwest District. The lowest recorded minimum temperature for June in the Pastoral districts was -3.5°C at Yunta Airstrip in the North East District on the 15th. The highest minimum was 15.0°C at Marla Police Station on the 18th.
Mean minimum temperatures in the Agricultural regions this month ranged from 2.5°C at Yongala in the Upper North District to 11.0°C at Cape Willoughby on Kangaroo Island. The lowest recorded daily minimum temperature for June was -4.3°C at Yongala on the 28th. The highest minimum was 14.4°C at Elliston on the 19th.
Mean minimum temperatures have been above average across South Australia this year so far.
|Extremes in June 2010|
|Hottest day||26.0 °C at Marree Comparison on the 24th|
|Warmest days on average||20.0 °C at Marree Comparison|
|Coolest days on average||10.1 °C at Mount Lofty|
|Coldest day||6.2 °C at Mount Lofty on the 29th|
|Coldest night||-4.3 °C at Yongala on the 28th|
|Coolest nights on average||2.5 °C at Yongala|
|Warmest nights on average||11.0 °C at Cape Willoughby|
|Warmest night||15.0 °C at Marla Police Station on the 18th|
|Wettest overall||175.0 mm at Piccadilly (Woodhouse)|
|Highest wind gust||107 km/h at Neptune Island on the 8th|
|Record lowest total June rainfall|
for June 2010 (mm)
|Oodnadatta Airport||0.0||= 0.0||in 2007||63||12.1|
|Lowest total June rainfall for at least 25 years|
for June 2010 (mm)
Most recent lower
|Mount Bryan||13.0||10.6||in 1979||30||51.0|
|Overland Corner||1.0||0.0||in 1975||30||25.3|
|Summary statistics for June 2010|
|Northwest (district 16)|
|Coober Pedy Airport||17.7||23.7||24th||6.8||1.8||15th||0.2|
|Marla Police Station||18.8||-0.9||25.6||24th||4.7||-0.9||-1.1||27th||1.0||14.6||low||7%|
|Roxby Downs (Olympic Dam Aerodrome)||17.7||21.8||24th||5.3||-1.4||15th||2.2|
|Far North (district 17)|
|Leigh Creek Airport||16.7||-0.3||22.6||24th||5.5||+0.1||-0.5||28th||9.2||16.7||average||55%|
|Western Agricultural (district 18)|
|Coulta (Coles Point)||16.2||19.7||23rd||6.0||-1.7||14th||69.8|
|North Shields (Port Lincoln AWS)||16.7||19.7||23rd||8.1||3.6||14th||47.0|
|Port Augusta Aero||17.5||22.0||24th||6.0||-0.8||15th||12.0|
|Upper North (district 19)|
|Northeast (district 20)|
|Gluepot Reserve (Gluepot)||16.7||21.8||16th||4.6||-3.4||15th||5.8|
|Lower North (district 21)|
|Clare High School||13.2||16.5||22nd||4.1||-1.6||15th||36.2|
|Port Pirie Aerodrome||16.5||20.0||22nd||6.2||0.2||15th||30.4|
|Port Pirie Nyrstar Comparison||17.1||0.0||20.5||3rd||7.7||-0.7||3.0||14th||31.6||40.7||average||78%|
|Snowtown (Rayville Park)||15.7||19.2||22nd||5.0||-1.4||14th||31.4|
|Yorke Peninsula (district 22A)|
|Kangaroo Island (district 22B)|
|Adelaide Plains (district 23A)|
|Adelaide (Kent Town)||15.8||-0.3||18.2||24th||7.5||-0.6||2.2||14th||65.8||79.7||average||83%|
|County Light (district 23B)|
|Rosedale (Turretfield Research Centre)||15.4||-0.2||18.1||3rd||5.0||-1.3||0.0||27th||43.1||56.2||average||77%|
|Mount Lofty Ranges (district 23C)|
|Hindmarsh Island AWS||15.6||18.2||19th||8.3||2.0||15th||80.4|
|Kuitpo Forest Reserve||12.6||15.8||23rd||6.9||1.7||15th||108.4|
|Mount Crawford (Mt Crawford AWS)||11.6||14.2||3rd||6.1||3.0||28th||67.8|
|Parawa (Second Valley Forest AWS)||12.4||14.8||24th||7.5||3.0||15th||125.4|
|Victor Harbor (Encounter Bay)||15.8||18.8||19th||7.2||0.6||14th||96.2|
|Upper Murray Valley (district 24A)|
|Loxton Research Centre||15.9||-0.4||20.1||16th||4.9||+0.2||-1.3||28th||13.2||25.6||average||52%|
|Lower Murray Valley (district 24B)|
|Murray Bridge (Pallamana Aerodrome)||15.8||18.9||19th||4.9||-1.4||15th||19.2|
|Murray Bridge Comparison||16.7||0.0||19.8||20th||5.5||-0.5||-0.5||15th||34.1||37.8||average||90%|
|Murray Mallee (district 25A)|
|Upper Southeast (district 25B)|
|Lameroo (Austin Plains)||14.9||17.4||3rd||5.0||0.3||27th||19.6|
|Lower Southeast (district 26)|
|Cape Jaffa (The Limestone)||14.4||16.7||21st||7.3||1.6||15th||87.4|
|Mount Gambier Aero||13.6||-0.2||16.5||4th||4.9||-0.9||-0.8||15th||69.6||82.9||average||84%|
A Monthly Climate Summary is prepared to list the main features of the weather in South Australia 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 11 am on Thursday 1 July 2010. 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.