Northern Territory in June 2015: Warm, and a bit wet in the east

Maximum and minimum temperatures were generally above average throughout the Northern Territory in June. Much of the eastern half of the Territory also recorded significant dry-season rainfall, with several locations receiving record daily rainfall for the month.

  • Unseasonable thunderstorms generated widespread hail and heavy rain in the Alice Springs region
  • Record daily rainfall over northeast Arnhem District
  • Several locations recorded record monthly mean minimum and maximum temperatures

Record daily rainfall fell over parts of northeast Arnhem Land at the start of the month. An easterly trough generated heavy showers and isolated thunderstorms over much of the northern Arnhem District. Yirrkala Tropical Gardens, near Nhulunbuy in the far northeast, had the highest rainfall figure with a daily total of 125mm. Locations further west along the north coast also recorded record daily totals, with Milingimbi Airport exceeding its previous June mark. Further significant rainfall occurred over the northern Arnhem coast on the 14th as another easterly trough affected the region. Over southern NT, unseasonable warm-season-like thunderstorms affected the Alice Springs region. A feature of this event was the large amount of small hail which was generated by the storms. Heavy rainfall was also observed, with Mt. Skinner, northeast of Alice Springs, recording a record daily rainfall total. The Barkly District also observed significant rainfall during the middle of the month, with Gallipoli, near the Queensland border, recording a record monthly rainfall total.

Mean daily maximum and minimum temperatures were generally above average over the NT. Mean daily maximum temperature was particularly greater than average over the northern half and in the southwest of the Territory. Mean minimum temperature was above average throughout, apart from a small area in the central west of the NT. Some sites had their highest June mean daily and monthly temperature on record.

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Extremes in June 2015
Hottest day 35.5 °C at Middle Point on the 18th
Warmest days on average 33.5 °C at Middle Point
Coolest days on average 20.1 °C at Arltunga
Coldest day 14.8 °C at Arltunga on the 26th
Coldest night -1.5 °C at Arltunga on the 8th
Coolest nights on average 4.9 °C at Alice Springs Airport
Warmest nights on average 24.7 °C at Cape Wessel
Warmest night 26.0 °C at Cape Wessel on the 13th
Warmest on average overall 27.1 °C at Cape Wessel
Coolest on average overall 13.0 °C at Alice Springs Airport
Wettest overall 153.0 mm at Yirrkala Tropical Gardens
Wettest day 125.0 mm at Yirrkala Tropical Gardens on the 1st
Strongest wind gust 72 km/h at McCluer Island on the 4th

Maps
ObservedAnomalyDecile rank
Total
rainfall
Map of Rainfall totals Map of Percentage of normal rainfall Map of Rainfall deciles
Mean
daily
maximum
temperatures
Map of Mean maximum temperature Map of Anomaly in mean maximum temperature Map of Decile rank of mean maximum temperature
Mean
daily
minimum
temperatures
Map of Mean minimum temperature Map of Anomaly in mean minimum temperature Map of Decile rank of mean minimum temperature

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


Record highest June daily rainfall
New record
(mm)
Old
record
Years of
record
Mount Skinner 45.2 on the 14th 24.0 on the 8th in 2008 53
Nhulunbuy 55.0 on the 1st 48.8 on the 13th in 1975 38
Yirrkala Tropical Gardens 125.0 on the 1st 43.0 on the 16th in 2007 34
Elizabeth Valley 4.6 on the 1st 2.2 on the 1st in 2004 26



Record highest June total rainfall
New record
(mm)
Old
record
Years of
record
Average for
June
Gallipoli 95.0 58.7 in 2007 45 7.2
Nhulunbuy 107.0 53.8 in 1975 36 20.2
Yirrkala Tropical Gardens 153.0 115.0 in 2007 34 26.5
Walker Creek 0.0 = 0.0 in 2014 22 0.0



Record highest June mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
June
McArthur River Mine Airport 31.9 31.8 in 1970 37 29.8



Record highest June daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
June
Victoria River Downs 23.6 on the 1st 23.3 on the 22nd in 1965 48 12.0
Mango Farm 24.4 on the 1st 22.8 on the 15th in 1997 35 15.5
Wollogorang 22.4 on the 11th 21.2 on the 6th in 2007 34 11.9
Douglas River 23.9 on the 1st 23.4 on the 17th in 2005 25 13.5



Record highest June mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
June
Wollogorang 15.4 15.0 in 1987 33 11.9
Borroloola Airport 15.9 15.5 in 1997 21 12.6



Record highest June mean temperature
New record
(°C)
Old
record
Years of
record
Average for
June
McArthur River Mine Airport 23.5 23.3 in 2005 37 21.1
Wollogorang 23.1 23.0 in 1996 33 20.4
Borroloola Airport 23.9 23.7 in 1997 21 21.4



Summary statistics for June 2015
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
June
2015
Diff
from
average
Highest for
June
2015
Mean for
June
2015
Diff
from
average
Lowest for
June
2015
Total for
June
2015
Average
for
June
Rank of
June
2015
Fraction of
June
average
Darwin-Daly (district 14GA)
Batchelor Airport 33.1 +1.8 34.8 17th 18.4 +1.7 12.5 22nd 0.8 0.5 high 160%
Black Point 30.7 +0.8 32.9 18th 22.6 +1.0 17.9 21st 0 3.3 lowest 0%
Central Arnhem Plateau 29.4 +1.2 34.8 14th 17.5 +1.7 10.5 22nd 0 0.1 v low 0%
Charles Point 31.1   34.5 18th 21.8   18.3 23rd 3.0
Croker Island Airport 30.1   32.2 18th 22.5   19.3 22nd 0
Darwin Airport 32.0 +1.4 34.2 18th 21.0 +1.1 17.1 22nd 0.6 1.8 high 33%
Delamere Weapons Range 30.2 +1.2 32.8 16th 16.3 +1.2 10.3 22nd 0 2.4 v low 0%
Douglas River 32.8 +1.6 35.3 17th 15.2 +1.7 8.1 22nd 0 2.2 lowest 0%
Dum In Mirrie Airstrip 32.0 +1.5 34.5 18th 19.8 +1.1 14.7 23rd 2.6 2.1 high 124%
Jabiru Airport 32.8 +1.1 34.7 17th 21.0 +1.8 15.7 21st
Katherine Country Club 31.4   33.9 16th 15.2   7.4 22nd 0
Mango Farm 32.5 +1.3 35.3 17th 16.3 +0.8 9.4 23rd 0 0.3 lowest 0%
McCluer Island 28.4 +0.6 29.6 18th 24.3 +0.9 22.6 28th 6.4 9.0 average 71%
Middle Point 33.5 +1.5 35.5 18th 16.0 +1.0 9.3 22nd 0.4 0.7 average 57%
Murganella Airstrip 31.6   33.8 18th 19.0   11.8 21st 3.6
Noonamah Airstrip 33.4   35.3 18th 18.5   11.7 22nd 1.6
Oenpelli Airport 33.1   35.0 17th 20.4   13.5 22nd 0
Pirlangimpi Airport 32.8 +1.6 34.6 17th 20.3 +1.5 14.8 22nd 0 3.9 lowest 0%
Point Fawcett 31.4 +1.9 32.6 16th 18.8 0.0 13.2 22nd 0 6.5 v low 0%
Point Stuart 32.1   34.4 18th 19.6   13.8 22nd 0 0.3 v low 0%
Port Keats Airport 32.6 +2.0 34.8 17th 18.5 +1.8 12.4 21st 0 5.6 v low 0%
Tindal RAAF 31.4 +1.6 33.9 16th 14.7 +0.7 8.2 22nd 0 0.8 lowest 0%
Arnhem (district 14BC)
Cape Wessel 29.6   30.6 15th 24.7   23.1 27th 65.0 35.6 high 183%
Gove Airport 28.8 +0.5 30.0 15th 22.0 +0.7 17.3 29th 106.4 32.8 v high 324%
Groote Eylandt Airport 29.5 +0.7 31.5 3rd 19.0 +2.5 11.9 21st 11.4 5.4 high 211%
Maningrida Airport 31.0 +0.6 32.5 17th 20.4 +1.3 15.2 21st 23.2 4.2 v high 552%
Milingimbi Airport 30.8 +0.4 32.3 17th 21.3 +1.7 17.2 26th 89.0 8.2 v high 1085%
Warruwi Airport 29.8 +0.5 32.2 18th 22.9 +1.0 19.9 21st 2.0 2.5 high 80%
Roper-Mcarthur (district 14DE)
Borroloola Airport 31.9 +1.8 34.3 1st 15.9 +3.3 10.0 27th 0 2.1 lowest 0%
Bulman 31.6 +1.6 33.0 23rd 17.2 +3.0 9.5 22nd 19.2 2.0 v high 960%
Centre Island 28.2 +1.5 31.5 1st 21.1 +1.7 17.0 26th 0.8 6.9 average 12%
Daly Waters Airstrip 31.1 +2.4 34.1 16th 13.2 +0.1 5.3 22nd 0.6 3.1 high 19%
McArthur River Mine Airport 31.9 +2.1 34.2 16th 15.2 +2.7 9.3 26th 3.2 1.7 high 188%
Ngukurr Airport 32.1   34.2 17th 16.2   9.0 22nd 1.6
Wollogorang 30.7 +1.8 33.9 16th 15.4 +3.5 8.5 26th 1.9 2.8 high 68%
Victoria (district 14F)
Lajamanu Airport 28.2 +1.8 31.9 16th 10.9 +1.4 4.5 22nd 3.2 4.2 high 76%
Victoria River Downs 31.0 +1.7 34.0 17th 12.6 +0.6 6.2 27th 1.0 2.6 high 38%
Wave Hill 29.0 +0.9 32.4 16th 12.4 +1.1 5.8 27th 0 4.3 lowest 0%
Barkly (district 15A)
Brunette Downs 27.3 +0.5 31.0 16th 13.3 +1.9 8.2 22nd 22.4 7.1 v high 315%
Tennant Creek Airport 25.7 +1.2 29.0 16th 14.1 +1.3 9.0 22nd 1.4 5.0 high 28%
Alice Springs (district 15B)
Alice Springs Airport 21.1 +1.3 28.9 3rd 4.9 -0.1 -0.2 27th 2.2 13.3 average 17%
Arltunga 20.1 +0.9 26.0 3rd 6.8 +2.5 -1.5 8th 21.0 16.1 high 130%
Curtin Springs 21.8 +1.7 27.5 22nd 7.1 +2.1 2.4 27th 0 13.6 lowest 0%
Jervois 22.4 +0.4 27.4 23rd 8.7 +2.2 2.1 22nd 9.4 10.4 average 90%
Rabbit Flat 27.5 +2.0 30.7 16th 7.8 +0.2 2.1 22nd 0 6.6 v low 0%
Territory Grape Farm 23.5 +1.3 27.8 4th 7.1 +0.9 1.3 25th 6.6 8.6 average 77%
Walungurru Airport 25.5 +2.6 29.0 3rd 12.6 +1.7 7.7 27th 0 8.7 v low 0%
Yulara Airport 22.0 +1.7 27.3 22nd 7.2 +1.7 2.5 27th 0 17.4 lowest 0%

Notes

The Monthly climate summary lists 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.

A climate summary is generally published on the first working day of each month.

This statement has been prepared based on information available at 10 am on Wednesday 1 July 2015. 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
Enquiries