Northern Territory in May to September 2014: Hot end to average season

On Average, maximum temperatures across the NT (including the Top End) were near normal for the dry season. It was not until the last few weeks of the season that daytime temperatures became unseasonably warm. The hot days began on 19 September when Middle Point reached 39.5 °C, Pirlangimpi set a new dry season temperature record with 38.3 °C, and Darwin Airport measured it's hottest day of the season with 37.4 C (only 0.3 degrees below the September record). The following days were also especially warm, Daly Waters Airstrip had 39.3 °C on 20 September and then Douglas River warmed to 39.7 °C on 21 September, which was the highest temperature recorded in the NT this season. The coolest day in the NT this season was 7.5 °C at Alice Springs Airport on 13 July.

Minimum temperatures were cooler than average across the NT this season. While there were no new minimum temperature records set, almost all of the Top End ended the season with below normal minimums. Darwin Airport also saw cooler than normal nights this season with a mean daily minimum temperature of 20.2 °C, 0.7 °C below normal. Darwin airport dropped below 20 °C 75 times over the season, this is 24 nights more than average, but not a new record. The coolest night at Darwin Airport was  13.0 C on the 23rd of August. This set a new August minimum temperature record at the Airport, the old record was 13.1 C set on 13 August 2012 (the lowest dry season temperature at Darwin Airport was 10.4 °C on 29 July 1942). The warmest night in the NT this season was 28.2 °C at McCluer Island on 1 May while the coldest night was -6.0 °C at Arltunga on 7 July.

As is normal for this time of year, very little rain fell across the NT this season. The last rainfall measured at Darwin Airport was 2.2 mm on 30 May giving a dry spell of 123 days to the end of the season. On average Darwin Airport experiences 124 consecutive days without rain every dry season.

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Extremes in May to September 2014
Hottest day 39.7 °C at Douglas River on 21 Sep
Warmest days on average 33.8 °C at Middle Point
Coolest days on average 22.2 °C at Kulgera
Coldest day 7.5 °C at Alice Springs Airport on 13 Jul
Coldest night -6.0 °C at Arltunga on 7 Jul
Coolest nights on average 5.8 °C at Alice Springs Airport
Warmest nights on average 24.1 °C at Cape Wessel
Warmest night 28.2 °C at McCluer Island on 1 May
Warmest on average overall 27.2 °C at Cape Wessel
Coolest on average overall 14.3 °C at Arltunga
Wettest overall 155.2 mm at Cape Wessel
Wettest day 92.4 mm at Acacia (Mocatto Road) on 4 May
Strongest wind gust 78 km/h at Cape Wessel on 7 Jun

Month by month
Rainfall rank Maximum temperature rank Minimum temperature rank
May
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
June
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
July
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
August
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
September
Map of decile rank of rainfall Map of Decile rank of mean maximum temperature Map of Decile rank of mean minimum temperature
Rainfall rank Maximum temperature rank Minimum temperature rank

Click on a map to show it full size in a pop-up window



Record highest May to September daily rainfall
New record
(mm)
Old
record
Years of
record
Jabiru Airport 76.2 on 16 May 62.0 on 14 Sep 1984 40
Territory Wildlife Park 79.0 on 4 May 61.0 on 24 May 2013 22
Acacia (Mocatto Road) 92.4 on 4 May 49.6 on 24 Sep 1998 21



Record highest May to September total rainfall
New record
(mm)
Old
record
Years of
record
Average for
May to September
Jabiru Airport 140.2 94.2 in 1984 36 28.7



Record highest May to September temperature
New record
(°C)
Old
record
Years of
record
Average for
May to September
Pirlangimpi Airport 38.3 on 19 Sep 38.0 on 23 Sep 2013 32 32.0



Record lowest May to September daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
May to September
Yuendumu 8.1 on 13 Jul 8.2 on 5 Aug 1966 48 24.8
Territory Grape Farm 9.2 on 13 Jul 9.3 on 20 Jun 2007 23 25.3



Record highest May to September mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
May to September
Pirlangimpi Airport 33.6 33.5 in 2013 30 32.0



Summary statistics for May to September 2014
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
May
to September
2014
Diff
from
average
Highest for
May
to September
2014
Mean for
May
to September
2014
Diff
from
average
Lowest for
May
to September
2014
Total for
May
to September
2014
Average
for
May
to September
Rank of
May
to September
2014
Fraction of
May
to September
average
Darwin-Daly (district 14GA)
Batchelor Airport 33.2 +0.2 38.1 26 Sep     10.6 22 Aug 8.4 35.9 low 23%
Black Point 30.6 0.0 33.5 19 Sep 21.9 -0.1 16.2 24 Aug 7.0 45.0 average 16%
Central Arnhem Plateau 30.8   36.4 21 Sep 17.1   10.2 24 Jun 0.6 26.4 low 2%
Croker Island Airport 30.5   35.3 27 Sep 21.5   16.4 24 Aug
Darwin Airport 32.0 +0.6 37.4 19 Sep 20.2 -0.7 13.0 23 Aug 8.6 44.3 low 19%
Douglas River 33.6 +0.4 39.7 21 Sep 15.0 -0.1 5.8 23 Aug 3.2 20.9 average 15%
Dum In Mirrie Airstrip 31.5 +0.5 34.3 29 Jul 19.6 -0.7 12.3 18 Aug 127.4 40.3 v high 316%
Jabiru Airport 33.6 +0.2 38.8 28 Sep 20.0 -0.1 13.2 22 Aug 140.2 28.7 highest 489%
Katherine Country Club 33.0   39.1 21 Sep 15.1   6.4 17 Aug 0
Mango Farm 33.6 +0.5 39.0 21 Sep 15.9 -1.0 7.5 24 Aug 1.0 21.6 low 5%
McCluer Island 28.3 0.0 31.4 8 May 24.0 +0.2 20.3 23 Aug 72.2 68.2 average 106%
Middle Point 33.8 +0.1 39.5 19 Sep 15.7 -0.8 6.8 23 Aug 18.8 39.9 low 47%
Murganella Airstrip 31.4   35.8 27 Sep 17.6   8.5 23 Aug 5.2
Noonamah Airstrip 33.6   38.8 19 Sep 17.0   8.0 23 Aug 17.2
Pirlangimpi Airport 33.6 +1.6 38.3 19 Sep 19.6 -0.2 13.2 18 Aug 8.4 62.3 v low 13%
Point Fawcett 31.1 +0.4 35.1 19 Sep 18.4 -1.3 11.8 18 Aug
Point Stuart 31.7   35.8 19 Sep 19.0   12.3 23 Aug
Port Keats Airport 32.3 +0.3 36.0 4 Sep 18.2 +0.1 11.8 30 Aug 10.0 32.2 average 31%
Tindal RAAF 32.9 +0.9 39.2 21 Sep 14.9 -1.2 6.4 24 Jun 0.2 13.8 low 1%
Arnhem (district 14BC)
Cape Wessel 30.2   32.5 28 Sep 24.2   20.9 3 Sep 155.2 155.2 average 100%
Gove Airport 29.3 +0.3 33.5 27 Sep 19.7 -0.9 12.3 22 Aug
Groote Eylandt Airport 30.0 -0.2 35.1 27 Sep 16.5 -0.2 8.4 5 Sep 6.4 39.1 low 16%
Maningrida Airport 31.2 0.0 34.6 26 Sep 19.2 -0.3 11.8 23 Aug 14.0 33.8 average 41%
Milingimbi Airport 31.2 +0.2 34.1 27 Sep 20.1 -0.1 12.9 23 Aug
Ngayawili 30.7 +0.3 35.7 26 Sep 20.3 -0.1 12.6 23 Aug 0 44.3 v low 0%
Warruwi Airport 29.9 +0.1 33.0 26 Sep 22.4 -0.1 18.1 3 Sep 15.2 20.9 average 73%
Roper-Mcarthur (district 14DE)
Borroloola Airport 32.4 +0.5 38.6 10 Sep 13.3 -1.0 4.4 1 Jul 3.2 10.9 average 29%
Bulman 32.5   38.2 21 Sep 15.5   7.5 23 Aug 1.2 27.7 low 4%
Centre Island 28.2 +0.1 34.6 28 Sep 20.1 -0.3 15.2 23 Jul 18.2 21.6 average 84%
Daly Waters Airstrip 31.8 +0.9 39.3 20 Sep 11.8 -2.4 2.3 22 Aug 0 14.2 lowest 0%
McArthur River Mine Airport 32.4 +0.5 38.6 20 Sep 14.1 -0.3 5.3 2 Jul 3.8 16.1 average 24%
Wollogorang 31.0 0.0 38.5 10 Sep 12.2 -1.3 3.5 11 Jul 4.3 12.9 average 33%
Victoria (district 14F)
Lajamanu Airport 29.8 +0.5 38.1 30 Sep 11.1 -0.8 1.1 3 Jul 0.6 20.5 low 3%
Victoria River Downs 32.3 +0.8 38.6 29 Sep 12.4 -1.6 2.6 30 Jun 0 16.7 lowest 0%
Barkly (district 15A)
Brunette Downs 29.4 +0.1 38.1 20 Sep 13.6 +0.4 4.4 16 Aug 0 26.1 lowest 0%
Elliott 29.9 -1.0 38.2 20 Sep 13.8 -0.2 4.9 17 Aug 0 22.2 lowest 0%
Tennant Creek Airport 27.8 +0.6 36.8 30 Sep 14.7 -0.2 6.6 7 Jul 0 27.4 lowest 0%
Alice Springs (district 15B)
Alice Springs Airport 23.4 +0.9 38.1 30 Sep 5.9 -0.8 -3.0 3 Jul 31.8 64.8 average 49%
Arltunga 22.7 +0.1 37.2 30 Sep 6.0 -0.3 -6.0 7 Jul 32.6 57.5 low 57%
Curtin Springs 24.3 +1.3 37.5 30 Sep 7.4 +0.8 -2.4 10 Jul 14.2 61.6 low 23%
Jervois 25.2 +0.4 39.3 30 Sep 8.9 +0.9 -1.5 11 Jul 2.4 58.4 v low 4%
Kulgera 22.3 +0.4 36.3 28 Sep 7.8 +0.3 -1.8 5 Aug 38.6 63.1 average 61%
Rabbit Flat 28.8 0.0 38.7 30 Sep 8.3 -1.5 -1.7 3 Jul 18.8 33.5 average 56%
Territory Grape Farm 25.6 +0.3 38.0 30 Sep 8.1 0.0 -1.9 7 Jul 14.2 52.9 low 27%
Walungurru Airport 26.5 +0.2 38.2 30 Sep 13.0 -0.1 3.7 27 Jun 13.2 58.6 low 23%
Yulara Airport 24.3 +0.8 37.1 30 Sep     -1.9 10 Jul 13.6 59.3 low 23%

Notes

A Seasonal 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.

A Climate Summary is generally published on the first working day of each month.

This statement has been prepared based on information available at 11 am on Wednesday 1 October 2014. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

Averages for individual sites 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 10 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 decile ranking (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.

The ACORN-SAT dataset is used for temperature area averages.

Further information

Media
(03) 9669 4057
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