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Wednesday, 1 September 2010 - Monthly Climate Summary for Northern Territory - Product code IDCKGC12R0
The NT was marked by above average maximum temperatures in the north and below average temperatures in the south. A few rain events in the Alice Springs District brought record setting precipitation to some locations in what is typically a dry month. The rain in the southern portions of the NT kept maximum temperatures relatively cool, however making for a very humid August.
August rainfall in the northern part of the NT shaped up to be fairly typical for the dry season. Most stations in the northeast of the NT reported no measurable precipitation with a few stations reporting less than 10 mm for the month.
The southern and western portions of the NT experienced wetter than normal conditions. Alice Springs Airport experienced its wettest August in 20 years. Several sites around the Alice Springs District measured their wettest August on record.
The wettest overall was 89.8 mm at Mount Stow, and then 39.4 mm at Territory Grape Farm. This was the highest total August rainfall on record for each of these locations.
The wettest single day occurred on the 27th at Mount Stow when a thunderstorm dumped 85.6 mm in about three hours (68 mm in one hour) This went down as the 4th wettest August day on record in the NT. The next wettest days were 31.5 mm at Daly Waters Creek GS on the 8th, followed by 29.0 mm at Jabiru Airport on the 27th.
On average, the Northern Territory experienced above average minimum temperatures across all districts, with maximum temperatures warmer than average in the north and below average in the south.
Easterly winds along the north coast helped keep Darwin and the Top End 1-2 °C warmer than normal. Periods of persistent cloudiness and a few passing rain bands kept the daily maximum temperatures in the Alice Springs District 2-3 °C cooler than normal.
The hottest day was the 25th when the temperature reached 39.0 °C at Bradshaw, 38.6 °C at Timber Creek, and 38.2 °C at Mango Farm. The 20th was also notably warm when Bradshaw reached 38.2 °C.
The warmest days on average were 35.4 °C at Noonamah , followed by 34.9 °C at Middle Point , and then 34.4 °C at Jabiru Airport.
The coolest days on average were 18.7 °C at Kulgera, followed by 18.9 °C at Arltunga, and then 19.6 °C at Alice Springs Airport.
Simmilar to the hottest day, the coldest day also occurred on the 25th when the high temperature reached only 11.8 °C at Arltunga and 12.3 °C at Alice Springs Airport. The next coldest was 13.1 °C at Arltunga on the 3rd.
Daily minimum temperatures across the territory ranged from average to very much above average.
The coldest night was -2.4 °C at Arltunga on the 7th, followed by -1.4 °C at Arltunga on the 4th and the 6th, this was then followed by -1.3 °C at Arltunga on the 12th and on the 13th.
The coolest nights on average were at Arltunga, Alice Springs Airport, and at Yulara Aero which recorded temperatures of 5.0 °C, 5.8 °C, 6.6 °C respectively.
The warmest nights on average were 24.3 °C at Cape Don, followed by 23.5 °C at Warruwi.
The warmest night was 26.1 °C at Cape Don on the 2nd.Some sites including Groote Eylandt Airport, and Jabiru Airport had their warmest August night (highest daily minimum temperature) on record.
The strongest wind gust in the NT was 70 km/h at Yulara Aero on the 17th, and at Alice Springs Airport on the 18th, followed by 69 km/h at Yulara Aero on the 18th. Gove Airport and Tennant Creek Airport both measured a gust of 61 km/h on the 2nd.
|Extremes in August 2010|
39.0 °C at Bradshaw on the 25th
|Warmest days on average||
35.4 °C at Noonamah
|Coolest days on average||
18.7 °C at Kulgera
11.8 °C at Arltunga on the 25th
-2.4 °C at Arltunga on the 7th
|Coolest nights on average||
5.0 °C at Arltunga
|Warmest nights on average||
24.3 °C at Cape Don
|Warmest night||26.1 °C at Cape Don on the 2nd|
|Wettest overall|| 89.8
mm at Mount Stow
85.6 mm at Mount Stow on the 27th|
|Highest wind gust||
70 km/h at Yulara Aero on the 17th|
|Record highest August daily rainfall|
Highest daily rainfall
in August 2010 (mm)
|Timber Creek||12.9||on the 1st||3.0||on the 23rd in 1981||29|
|Territory Grape Farm||23.8||on the 24th||12.0||on the 31st in 1992||16|
|Gemtree Park||13.6||on the 23rd||8.8||on the 16th in 1993||18|
|Point Fawcett||2.4||on the 1st||1.0||on the 31st in 2003||16|
|Delamere Weapons Range||6.2||on the 1st||0.0||no rainfall on record||14|
|Rabbit Flat||12.4||on the 1st||8.6||on the 12th in 2000||13|
|Bradshaw||0.2||on the 4th||=0.2||on the 22nd in 2004||12|
|Lakefield||1.0||on the 1st||0.0||no rainfall on record||10|
|Record highest total August rainfall|
|Timber Creek||12.9||3.8||in 1981||29||0.2|
|Territory Grape Farm||39.4||30.4||in 1988||16||4.0|
|Gemtree Park||26.0||11.7||in 1992||18||3.2|
|Yulara Aero||26.4||14.0||in 2008||19||4.1|
|Delamere Weapons Range||6.2||0.0||no rainfall on record||13||0.0|
|Rabbit Flat||14.2||8.6||in 2000||13||0.7|
|Record highest August temperature|
|Highest temperature in (°C)||
|Gove Airport||33.0||on the 26th||= 33.0||on the 29th in 1967||30||28.5|
|Batchelor Aero||36.6||on the 25th||36.5||on the 29th in 2009||12||33.3|
|Groote Eylandt Airport||33.7||on the 25th||33.2||on the 29th in 2009||11||30.1|
|Pine Creek Council||37.0||on the 25th||36.4||on the 31st in 2008||10||32.2|
|Record lowest August daily maximum temperature|
Lowest daily maximum
Previous lowest (°C)
|Average for (°C)
|Wave Hill||21.5||on the 3rd||21.8||on the 1st in 1990||36||31.2|
|Ali Curung||16.7||on the 2nd||17.8||on the 1st in 1990||21||27.0|
|Lajamanu||18.9||on the 3rd||19.5||on the 23rd in 2008||14||29.6|
|Kidman Springs||24.1||on the 3rd||25.8||on the 18th in 2008||14||32.7|
|Bradshaw||26.7||on the 3rd||27.4||on the 17th in 2007||11||33.4|
|Record highest August mean daily maximum temperature|
Mean daily maximum
Previous highest (°C)
|Dum In Mirrie||31.5||= 31.5||in 2008||11||30.5|
|Record lowest August mean daily maximum temperature|
Mean daily maximum
|Previous lowest (°C)||Years of
|Territory Grape Farm||22.1||= 22.1||in 2008||16||25.3|
|Record highest August daily minimum temperature|
Highest daily minimum
|Previous highest (°C)||Years of
|Warruwi||25.8||on the 1st||25.5||on the 31st in 1973||42||21.7|
|Jabiru Airport||26.0||on the 1st||= 26.0||on the 27th in 2003||30||19.1|
|Mango Farm||23.8||on the 1st||= 23.8||on the 8th in 1998||30||15.9|
|Pirlangimpi||24.5||on the 20th||23.9||on the 30th in 2003||25||19.1|
|Groote Eylandt Airport||24.2||on the 1st||22.0||on the 24th in 2002||11||15.0|
|Ngayawili||25.0||on the 1st||23.9||on the 27th in 2009||10||19.2|
|Pine Creek Council||24.7||on the 1st||= 24.7||on the 28th in 2008||10||17.5|
|Record lowest August temperature|
|Lowest temperature (°C)||Previous lowest (°C)||Years of
|Lajamanu||1.5||on the 13th||3.0||on the 3rd in 2003||14||11.2|
|Record highest August mean daily minimum temperature|
Mean daily minimum
|Previous highest (°C)||Years of
|Jabiru Airport||21.3||= 21.3||in 1988||30||19.1|
|Alyangula Police||19.7||19.6||in 2003||27||18.1|
|Batchelor Aero||19.6||18.8||in 1997||12||17.1|
|Groote Eylandt Airport||17.9||16.5||in 2003||11||15.0|
|Pine Creek Council||19.4||19.2||in 2003||10||17.5|
|Summary statistics for August 2010|
|Maximum temperatures (°C)||Minimum temperatures (°C)||Rainfall (mm)|
|Darwin-Daly (district 14GA)|
|Cape Don||31.1||32.5||28th||24.3||22.0||14th||3.4||1.2||v high||283%|
|Central Arnhem Plateau||31.1||34.4||25th||17.1||12.0||6th||3.0|
|Douglas River||33.5||0.0||37.7||25th||16.3||+2.1||8.4||14th||11.0||1.3||v high||846%|
|Dum In Mirrie||31.5||+1.0||34.5||30th||20.6||+1.3||15.5||13th||6.2||3.7||v high||168%|
|Jabiru Airport||34.4||+0.7||36.8||19th||21.3||+2.2||17.0||13th||29.0||2.2||v high||1318%|
|Katherine Aviation Museum||32.7||+0.3||37.0||25th||16.2||+1.6||8.3||13th||3.8||1.8||v high||211%|
|Pine Creek Council||32.9||+0.7||37.0||25th||19.4||+1.9||13.5||14th||2.0||3.0||v high||67%|
|Point Fawcett||31.0||+0.3||33.0||30th||19.4||+0.4||14.2||13th||2.6||0.4||v high||650%|
|Port Keats Aero||32.2||+0.4||35.1||29th||19.2||+1.7||12.6||14th||0||0.3||lowest||0%|
|Tindal RAAF||32.9||+0.8||36.8||25th||16.2||+0.8||9.6||13th||1.6||1.4||v high||114%|
|Arnhem (district 14BC)|
|Groote Eylandt Airport||30.0||-0.1||33.7||25th||17.9||+2.9||9.8||13th||0||1.1||lowest||0%|
|Roper-Mcarthur (district 14DE)|
|McArthur River Mine||32.2||+0.3||36.5||21st||15.5||+2.1||6.1||13th||0.2||0.4||high||50%|
|Victoria (district 14F)|
|Victoria River Downs||32.0||+0.1||37.8||25th||15.2||+1.9||5.8||12th||0||1.0||lowest||0%|
|Barkly (district 15A)|
|Tennant Creek Airport||26.0||-1.5||34.8||19th||13.1||-1.4||7.7||7th||0.4||1.7||high||24%|
|Alice Springs (district 15B)|
|Alice Springs Airport||19.6||-3.0||29.3||18th||5.8||-0.2||-0.9||6th||15.6||9.3||high||168%|
|Curtin Springs||20.1||-2.9||27.0||17th||6.7||+1.1||1.1||6th||24.9||8.3||v high||300%|
|Territory Grape Farm||22.1||-3.2||30.7||22nd||6.8||-0.4||0.9||6th||39.4||4.0||highest||985%|
A Monthly Climate Summary is prepared to list the main features of the weather in Northern Territory 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 2 pm on Tuesday 31 August 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
the years 1800 to 2009.
They are not shown for sites with less than 10 years of record in that time, 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.