Wednesday, 3 August 2022 - Monthly Climate Summary for Northern Territory - Product code IDCKGC12R0

Northern Territory in July 2022: cold nights and cool days

July in the Northern Territory had cold nights and cool days. For the Territory as a whole, it was the coldest July since 1983 and the mean minimum temperature was the fifth-coldest since records began in 1910. A cloudband at the start of the month brought unseasonal rain to parts of the Top End.

Mostly dry

• For most of the Northern Territory July was typically dry with little or no rain recorded for the month.
• The main exception was from a cloudband at the start of the month across much of the Top End.
• The cloudband brought daily totals of 25 to 50 mm to parts of the Daly, Carpentaria and Barkly Districts on the 1st, with more moderate totals in the eastern Barkly District on the 2nd.
• A number of sites had their highest July daily rainfall on record on the 1st including Moroak, east of Katherine, which recorded its first rain in July in 23 years of observations.
• Some sites, with 20 to 50 years of data, had their highest total July rainfall on record or their highest for at least 20 years.

Cold nights and cool days

• The Northern Territory saw cold nights and cool days throughout July.
• Daytime temperatures were below average for the northern half of the Territory, but close to or above average in southern areas.
• Night-time temperatures were below average to very much below average (coldest 10% of all years since 1910) across the Northern Territory.
• For the Northern Territory as a whole, the July mean temperature was 1.26 °C below the 1961–1990 average, the coldest for July since 1983.
• The July mean minimum temperature was 1.99 °C below average, the fifth-coldest on record since 1910, while the mean maximum temperature was 0.55 °C below average, the coldest for July since 1997.
• A cloudband at the start of the month saw some sites in the Top End have their coldest July day on record.
• Nights were particularly cold in southern areas at the start of the month; Watarrka recorded a minimum of -4.2 °C on the 6th, the coldest night there since July 2002.

Darwin Airport

• Total rainfall for Darwin Airport was 0 mm.
• The mean daily maximum temperature for Darwin Airport was 29.8 °C, which is 0.9 °C below the long-term average of 30.7 °C.
• The warmest day was 33.0 °C on the 29th, and the coolest day was on the 5th when the temperature reached 26.4 °C.
• The mean daily minimum temperature for Darwin Airport was 17.0 °C, which is 2.3 °C below the long-term average of 19.3 °C.
• The coldest morning was 14.1 °C on the 24th, and the warmest morning was on the 29th when the minimum temperature was 19.9 °C.

Alice Springs Airport

• Total rainfall for Alice Springs Airport was 0 mm.
• The mean daily maximum temperature for Alice Springs Airport was 20.0 °C, which is 0.1 °C above the long-term average of 19.9 °C.
• The warmest day was 28.7 °C on the 24th, and the coolest day was on the 3rd when the temperature reached 14.3 °C.
• The mean daily minimum temperature for Alice Springs Airport was 0.5 °C, which is 3.5 °C below the long-term average of 4.0 °C.
• The coldest morning was -4.0 °C on the 15th, and the warmest morning was on the 25th when the minimum temperature was 7.9 °C.

Prolonged cool weather

• The cool conditions in July were notable for their persistence throughout the month.
• Darwin Airport had 12 consecutive days (27 June to 8 July) with a maximum temperature below 30 °C, the longest run there since June 2011.
• The daily minimum temperature Darwin Airport was below 20 °C for the entire month, only the third such occurence after June 2011 and July 1965, with records beginning in 1941.
• Alice Springs Airport had 15 consecutive nights (3rd to the 17th) with a minimum temperature below 0 °C, the longest such sequence there with records beginning in 1941.
• Many sites in the Top End set July mean monthly temperature records for their:
  • lowest mean daily maximum temperature on record, or
  • lowest mean daily maximum temperature for at least 20 years, or
  • lowest mean daily minimum temperature on record, or
  • lowest mean daily minimum temperature for at least 20 years, or
  • lowest mean temperature on record, or
  • lowest mean temperature for at least 20 years.

Extremes Maps Records Summaries Important notes the top

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Extremes in July 2022
Hottest day	34.7 °C at Bradshaw - Koolendong Valley (Defence) on the 25th 34.7 °C at Jabiru Airport on the 31st 34.7 °C at Oenpelli Airport on the 31st
Warmest days on average	31.7 °C at Oenpelli Airport
Coolest days on average	20.0 °C at Alice Springs Airport
Coldest day	13.4 °C at Arltunga on the 3rd
Coldest night	-4.2 °C at Watarrka on the 6th
Coolest nights on average	0.5 °C at Alice Springs Airport
Warmest nights on average	23.3 °C at Cape Wessel
Warmest night	24.6 °C at Cape Wessel on the 25th
Warmest on average overall	26.2 °C at Cape Wessel
Coolest on average overall	10.3 °C at Alice Springs Airport
Wettest overall	60.6 mm at Fish River
Wettest day	55.2 mm at Fish River on the 1st
Strongest wind gust	74 km/h at Cape Wessel on the 1st

Extremes Maps Records Summaries Important notes the top

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Maps
	Observed	Anomaly	Decile rank
Total rainfall
Mean daily maximum temperatures
Mean daily minimum temperatures

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

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Record highest July daily rainfall
	New record (mm)		Old record		Years of record
Daly Waters Airstrip	37.2	on the 1st	37.1	on the 14th in 1968	53
Tipperary	35.0	on the 1st	27.4	on the 14th in 1968	48
Elizabeth Downs	38.0	on the 1st	23.1	on the 14th in 1968	44
Tindal RAAF	28.0	on the 1st	25.8	on the 2nd in 1986	39
Nathan River	12.9	on the 1st	0.6	on the 1st in 2011	38
Gorrie	32.0	on the 1st	1.6	on the 6th in 2010	37
Gilnockie	50.0	on the 1st	2.6	on the 2nd in 1999	34
Labelle Downs	24.0	on the 1st	5.0	on the 13th in 2016	34
Channel Point	35.0	on the 1st	0.2	on the 13th in 2016	32
Borroloola Airport	12.2	on the 1st	4.2	on the 15th in 2006	28
Delamere Weapons Range	23.0	on the 1st	5.0	on the 2nd in 1999	26
Bradshaw	7.4	on the 1st	2.0	on the 6th in 2010	23
Moroak	7.0	on the 1st	0.0	on the 31st in 2021	23
Lakefield	33.6	on the 1st	0.4	on the 7th in 2006	22

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Record highest July total rainfall
	New record (mm)	Old record		Years of record	Average for July
Gorrie	39.0	1.6	in 2010	37	1.1
Labelle Downs	24.0	5.0	in 2016	34	0.9
Channel Point	35.0	2.7	in 1999	32	1.2
Borroloola Airport	12.2	4.6	in 2006	28	0.9
Delamere Weapons Range	26.6	5.6	in 1999	26	1.4
Bradshaw	7.8	2.8	in 2010	23	0.5
Upper Fergusson River	13.8	5.8	in 2016	21	0.9

Highest July total rainfall for at least 20 years
	Observed (mm)	Most recent higher		Average for July
Nutwood Downs	25.4	115.5	in 1986	2.3
Douglas River Research Farm	34.6	43.6	in 1986*	2.9
McArthur River Mine Airport	23.6	56.6	in 1986*	2.4
Elliott	32.0	53.4	in 1986*	3.3
Rosewood	4.0	8.0	in 1991	3.3
Tindal RAAF	35.2	77.0	in 1986*	3.2
Daly Waters Airstrip	46.2	56.9	in 1968*	2.5
Moolooloo	10.8	14.4	in 1999*	0.8

* note: there are gaps in the historical record at this site, so it is possible a higher value has gone unreported

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Record lowest July daily maximum temperature
	New record (°C)		Old record		Years of record	Average for July
Daly Waters Airstrip	14.9	on the 1st	15.6	on the 13th in 1968	53	29.2
Centre Island	19.5	on the 15th	19.8	on the 14th in 2016	48	26.4
McArthur River Mine Airport	18.1	on the 1st	18.2	on the 25th in 1984	45	30.2
Borroloola Airport	20.2	on the 1st	20.9	on the 14th in 2016	29	30.6
Channel Point	23.0	on the 1st	23.7	on the 2nd in 1999	28	29.4
Batchelor Airport	23.6	on the 1st	26.3	on the 18th in 2006	26	32.1
Dum In Mirrie Airstrip	25.6	on the 1st	26.0	on the 17th in 2001	24	30.5
Point Fawcett	24.3	on the 5th	25.0	on the 28th in 2000	24	30.3
Bradshaw	17.6	on the 1st	20.7	on the 6th in 2010	23	32.2
Ngayawili	24.8	on the 2nd	25.0	on the 15th in 2016	22	29.7
Port Keats Airport	19.5	on the 1st	22.7	on the 6th in 2010	22	31.6
Middle Point	27.0	on the 5th	27.8	on the 19th in 2006	21	32.9

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Record lowest July mean daily maximum temperature
	New record (°C)	Old record		Years of record	Average for July
Elliott	25.2	26.1	in 1986	40	28.5
Batchelor Airport	29.9	30.3	in 1997	25	32.1
Delamere Weapons Range	27.2	27.7	in 2006	25	29.8
Groote Eylandt Airport	26.6	27.3	in 2012	23	29.0
Bradshaw	29.6	30.2	in 2007	22	32.2
Port Keats Airport	29.3	29.9	in 2006	21	31.6
Middle Point	30.9	31.0	in 2006	20	32.9

Lowest July mean daily maximum temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for July
Tennant Creek Airport	22.8	22.6	in 1984	24.8
Centre Island	24.9	24.2	in 1985	26.4
Tindal RAAF	28.3	27.9	in 1985*	30.5
Douglas River Research Farm	29.7	29.1	in 1968*	32.0
McArthur River Mine Airport	28.3	28.0	in 1986*	30.2
Daly Waters Airstrip	27.0	26.0	in 1968*	29.2

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported

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Record lowest July temperature
	New record (°C)		Old record		Years of record	Average for July
Channel Point	10.0	on the 15th	= 10.0	on the 1st in 2007	28	17.2

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Record lowest July mean daily minimum temperature
	New record (°C)	Old record		Years of record	Average for July
Tindal RAAF	10.9	11.0	in 2002	34	13.6
Channel Point	14.3	15.4	in 2007	27	17.2
Dum In Mirrie Airstrip	15.2	16.7	in 2007	23	18.2
Point Fawcett	15.3	15.5	in 2007	23	18.1
Bradshaw	12.3	12.8	in 2007	22	15.4

Lowest July mean daily minimum temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for July
Darwin Airport	17.0	15.9	in 1965	19.3
Tennant Creek Airport	10.4	10.2	in 1977	12.4
Batchelor Airport	14.3	13.9	in 2002	16.5
Delamere Weapons Range	12.7	12.4	in 2002	14.9
Jervois	2.7	1.8	in 2002	5.4
Pirlangimpi Airport	16.4	15.6	in 1999*	18.5
Rabbit Flat	3.3	1.7	in 2002	6.8

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported

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Record lowest July mean temperature
	New record (°C)	Old record		Years of record	Average for July
Daly Waters Airstrip	18.0	18.2	in 1965	52	20.6
Batchelor Airport	22.1	22.8	in 2007	25	24.3
Delamere Weapons Range	19.9	20.4	in 2006	25	22.4
Dum In Mirrie Airstrip	22.2	22.9	in 2007	23	24.4
Groote Eylandt Airport	20.2	20.5	in 2007	23	22.3
Point Fawcett	21.9	22.1	in 2007	23	24.2
Bradshaw	21.0	21.5	in 2007	22	23.8
Port Keats Airport	21.6	22.2	in 2007	21	24.2
Middle Point	21.5	21.7	in 2007	20	23.7

Lowest July mean temperature for at least 20 years
	Observed (°C)	Most recent lower		Average for July
Darwin Airport	23.4	22.5	in 1965	25.0
Tennant Creek Airport	16.6	16.5	in 1977	18.6
Jervois	11.8	11.3	in 1983	13.7
Elliott	17.6	17.4	in 1982*	20.0
Tindal RAAF	19.6	19.5	in 1985*	22.0
McArthur River Mine Airport	19.2	18.7	in 1985*	21.3
Douglas River Research Farm	20.4	20.2	in 1974*	22.6
Pirlangimpi Airport	23.4	=23.4	in 1999*	24.9
Rabbit Flat	14.5	14.0	in 2002	16.7

* note: there are gaps in the historical record at this site, so it is possible a lower value has gone unreported

Extremes Maps Records Summaries Important notes the top

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Summary statistics for July 2022
	Maximum temperatures (°C)				Minimum temperatures (°C)				Rainfall (millimetres)
	Mean for July 2022	Diff from average	Highest for July 2022		Mean for July 2022	Diff from average	Lowest for July 2022		Total for July 2022	Average for July	Rank of July 2022	Fraction of July average
Darwin-Daly (district 14GA)
Batchelor Airport	29.9	-2.2	33.7	31st	14.3	-2.2	10.4	23rd	5.8	0.9	v high	644%
Central Arnhem Plateau	27.7	-1.5	32.2	31st	12.8	-3.0	7.8	23rd	1.0	2.0	high	50%
Channel Point	27.7	-1.7	31.0	31st	14.3	-2.9	10.0	15th	35.0	1.2	highest	2917%
Charles Point	27.5		31.1	29th	18.1		15.8	12th	1.2
Croker Island Airport	29.3		31.9	30th	18.8		15.5	24th	0
Darwin Airport	29.8	-0.9	33.0	29th	17.0	-2.3	14.1	24th	0	1.1	lowest	0%
Delamere Weapons Range	27.2	-2.6	32.4	25th	12.7	-2.2	9.6	15th	26.6	1.4	highest	1900%
Douglas River Research Farm	29.7	-2.3	34.2	31st	11.1	-1.8	5.2	24th	34.6	2.9	v high	1193%
Dum In Mirrie Airstrip	29.2	-1.3	32.9	29th	15.2	-3.0	11.2	13th	11.6	1.3	v high	892%
Jabiru Airport	31.3	-0.8	34.7	31st	17.1	-1.7	12.2	24th	0	2.9	lowest	0%
Kangaroo Flats (Defence)	30.8		34.5	31st	14.8		11.5	12th	5.8
Knuckey Lagoon	30.4		33.2	30th	14.2		10.3	24th	0
McCluer Island	26.6	-0.8	28.6	1st	22.2	-0.9	20.1	23rd	0	1.0	lowest	0%
Middle Point	30.9	-2.0	34.4	31st	11.9	-2.6	6.7	15th	0.8	0.3	high	267%
Mount Bundey North (Defence)	30.8		34.3	31st	16.0		12.6	24th	2.6
Mount Bundey South (Defence)	30.6		34.5	31st	14.2		9.8	23rd	3.4
Murganella Airstrip	30.4		32.6	19th	13.9		8.9	23rd	0	0.6	v low	0%
Noonamah Airstrip	31.2		34.6	31st	13.0		9.2	13th	0.6	0.1	v high	600%
Oenpelli Airport	31.7		34.7	31st	16.8		11.2	23rd	0.2	2.3	high	9%
Pirlangimpi Airport	30.4	-0.9	33.6	31st	16.4	-2.1	12.4	15th	0.4	2.5	average	16%
Point Fawcett	28.5	-1.8	31.7	31st	15.3	-2.8	11.0	15th	0.8	0.4	high	200%
Point Stuart	30.1	-1.5	33.6	26th	15.3	-2.9	9.2	14th	0.2	0.7	average	29%
Port Keats Airport	29.3	-2.3	33.7	31st	13.9	-2.9	9.7	24th	8.2	1.3	v high	631%
Tindal RAAF	28.3	-2.2	33.0	31st	10.9	-2.7	6.6	24th	35.2	3.2	v high	1100%
Arnhem (district 14BC)
Cape Wessel	29.2	-0.6	30.5	27th	23.3	-0.6	21.9	6th	35.0	18.1	v high	193%
Gove Airport	27.2	-0.8	29.6	26th	20.2	-0.1	14.0	23rd	33.8	18.1	high	187%
Groote Eylandt Airport	26.6	-2.4	30.6	31st	13.7	-2.0	8.1	14th	2.4	2.6	high	92%
Maningrida Airport	30.1	-0.8	33.1	19th	16.6	-1.9	11.0	6th	0	0.8	v low	0%
Milingimbi Airport	29.9	-0.7	32.5	28th	17.4	-2.0	13.6	6th	0	2.6	v low	0%
Ngayawili	28.9	-0.8	31.4	19th	18.4	-1.3	12.5	6th	0	3.4	lowest	0%
Warruwi Airport	28.3	-0.5	30.3	28th	20.2	-1.1	18.1	23rd	0	1.7	lowest	0%
Roper-Mcarthur (district 14DE)
Borroloola Airport	28.9	-1.7	33.4	26th	10.7	-1.3	5.2	15th	12.2	0.9	highest	1356%
Centre Island	24.9	-1.5	29.1	25th	17.3	-1.4	15.3	16th	0	1.7	lowest	0%
Daly Waters Airstrip	27.0	-2.2	32.6	25th	9.1	-2.8	4.0	24th	46.2	2.5	v high	1848%
McArthur River Mine Airport	28.3	-1.9	32.6	26th	10.2	-2.1	4.1	16th	23.6	2.4	v high	983%
Ngukurr Airport	29.0	-2.3	33.2	26th	11.7	-2.6	5.8	14th	4.6	0.6	v high	767%
Victoria (district 14F)
Bradshaw	29.6	-2.6	34.5	31st	12.3	-3.1	6.9	15th	7.8	0.5	highest	1560%
Bradshaw - Angallari Valley (Defence)	29.5		34.6	25th	13.9		8.8	12th	3.2
Bradshaw - Koolendong Valley (Defence)	29.5		34.7	25th	7.8		3.1	15th	3.6
Lajamanu Airport	26.5	-0.8	32.7	25th	8.0	-1.5	3.8	12th	0	4.0	lowest	0%
Victoria River Downs	28.0	-1.5	33.8	25th	9.2	-1.8	4.2	13th	17.0	2.8	v high	607%
Barkly (district 15A)
Elliott	25.2	-3.3	31.7	25th	10.1	-1.3	6.4	13th	32.0	3.3	v high	970%
Tennant Creek Airport	22.8	-2.0	30.5	25th	10.4	-2.0	7.5	4th	5.0	5.0	high	100%
Alice Springs (district 15B)
Alice Springs Airport	20.0	+0.1	28.7	24th	0.5	-3.5	-4.0	15th	0	14.4	lowest	0%
Jervois	21.0	-1.1	28.6	24th	2.7	-2.7	-1.8	16th	0	12.9	lowest	0%
Rabbit Flat	25.8	-0.7	31.7	25th	3.3	-3.5	-1.6	8th	0	4.2	lowest	0%
Territory Grape Farm	22.0	-0.9	27.8	24th	3.1	-2.0	-2.5	7th	0	4.6	lowest	0%
Walungurru Airport	23.5	-0.5	29.6	23rd	10.4	-0.4	4.5	4th	0	10.3	lowest	0%
Watarrka	22.0	-0.1	29.5	23rd	4.7	-1.4	-4.2	6th	0	12.3	lowest	0%
Yulara Airport	21.0	+0.2	28.4	24th	3.2	-1.3	-2.0	6th	0	15.6	lowest	0%

Extremes Maps Records Summaries Important notes the top

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