Northern Territory in November 2015: Very dry in the north, hot throughout

Mean maximum and minimum temperatures were average to very much above average throughout all parts of Northern Territory. Many sites had their record highest November mean daily maximum temperature, while a smaller number of sites set monthly records for highest mean daily minimum temperature. Rainfall was well below average across much of the Top End and the southwest of the Territory. The remainder of the Territory had average rainfall, apart from some parts of the central west and far southeast which recorded above-average rainfall during the month.

  • Mean daily maximum temperatures were well above average, with many sites setting monthly records.
  • Mean daily minimum temperatures were well above average, with some sites setting monthly records.
  • Rainfall was well below average over much of the Top End and in the southwest.
  • The remainder of the Territory had average to above-average rainfall.

November was drier than average across most of the Top End, apart from parts of the Arnhem District which had near-average rainfall, and parts of the southwestern Top End which had average to above-average rainfall. The apparent cause for the rainfall deficiencies over the Top End was below-average seasonal thunderstorm activity, the primary mechanism for rainfall at this time of the year. Further south, rainfall was generally average apart from the southwest which had well below average rainfall, and the central west which had above-average rainfall. Rainfall in the southern half of the Territory was largely modulated by the location of low-pressure troughs, which acted as a focus for cloud development when sufficient tropical moisture was available.

Temperatures were well above average across the Territory. Mean daily maximum, minimum and mean monthly temperatures were all above average, with monthly records set in all categories. Some sites in the Top End recorded their highest November temperature on record. Mean daily maximum temperatures were particularly abnormal, with many sites seeing long-term temperature records exceeded. Another feature of the warmth was its widespread nature - mean daily maximum temperature records were set in nearly all districts. Mean daily minimum temperature records were confined to two sites, however — Yulara in the far south and Borroloola in the northeast.

Several locations recorded severe wind gusts (gust ≥ 90 km/h) associated with thunderstorm activity. Tindal RAAF base recorded a gust of 96 km/h on 29 November which is a November record. A gust of 120 km/h was recorded at Rabbit Flat — the strongest November gust observed at the site since 2000. Daly Waters Airstrip recorded a gust of 102 km/h which was its highest November gust since 2003.

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Extremes in November 2015
Hottest day 44.5 °C at Victoria River Downs on the 29th
Warmest days on average 41.2 °C at Ngukurr Airport
Coolest days on average 31.7 °C at McCluer Island
Coldest day 28.4 °C at Lajamanu Airport on the 3rd
Coldest night 12.3 °C at Alice Springs Airport on the 16th
12.3 °C at Arltunga on the 18th
Coolest nights on average 19.1 °C at Alice Springs Airport
Warmest nights on average 27.3 °C at McCluer Island
Warmest night 30.4 °C at Tennant Creek Airport on the 29th
Warmest on average overall 33.7 °C at Ngukurr Airport
Coolest on average overall 27.6 °C at Arltunga
Wettest overall 270.2 mm at Mango Farm
Wettest day 84.2 mm at Pinelands on the 27th
Strongest wind gust 120 km/h at Rabbit Flat on the 3rd

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 November total rainfall
New record
(mm)
Old
record
Years of
record
Average for
November
Mango Farm 270.2 263.7 in 2001 36 138.2



Record lowest November total rainfall
New record
(mm)
Old
record
Years of
record
Average for
November
Walker Creek 87.0 87.8 in 2000 20 172.3

Lowest November total rainfall for at least 20 years
Observed
(mm)
Most recent
lower
Average for
November
Katherine Aviation Museum 5.0 2.8 in 1969* 87.2

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




Record highest November temperature
New record
(°C)
Old
record
Years of
record
Average for
November
Gove Airport 38.0 on the 10th 37.8 on the 18th in 1971 37 33.1
Pirlangimpi Airport 38.7 on the 8th 38.6 on the 1st in 2014 34 33.5



Record highest November mean daily maximum temperature
New record
(°C)
Old
record
Years of
record
Average for
November
Darwin Airport 34.7 34.4 in 1976 74 33.3
Daly Waters Airstrip 40.7 40.4 in 2006 45 38.1
Centre Island 36.3 35.5 in 1990 41 34.6
Jabiru Airport 38.9 38.8 in 2009 38 36.9
Gove Airport 34.3 33.8 in 2011 36 33.1
McArthur River Mine Airport 40.7 40.3 in 1990 36 38.6
Pirlangimpi Airport 36.1 35.8 in 2014 33 33.5
Yulara Airport 38.3 38.1 in 2012 28 34.9
Territory Grape Farm 38.3 37.8 in 2014 23 35.6
Borroloola Airport 39.7 38.6 in 2008 21 37.2

Highest November mean daily maximum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
November
Tennant Creek Airport 39.2 39.8 in 1990 36.5



Record highest November daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
November
Jabiru Airport 28.5 on the 26th = 28.5 on the 25th in 1987 39 24.9



Record highest November mean daily minimum temperature
New record
(°C)
Old
record
Years of
record
Average for
November
Yulara Airport 21.2 20.9 in 2006 28 18.3
Borroloola Airport 25.3 25.2 in 2008 21 23.8

Highest November mean daily minimum temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
November
Jabiru Airport 25.9 26.2 in 1987* 24.9

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




Record highest November mean temperature
New record
(°C)
Old
record
Years of
record
Average for
November
Centre Island 31.8 = 31.8 in 1987 41 30.7
Jabiru Airport 32.4 32.0 in 2009 38 30.9
Pirlangimpi Airport 30.2 30.1 in 2002 33 28.8
Yulara Airport 29.8 29.5 in 2006 28 26.6
Lajamanu Airport 32.3 32.2 in 2009 23 30.7
Borroloola Airport 32.5 31.9 in 2008 21 30.5

Highest November mean temperature for at least 20 years
Observed
(°C)
Most recent
higher
Average for
November
Darwin Airport 30.3 30.5 in 1989 29.3



Summary statistics for November 2015
Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean for
November
2015
Diff
from
average
Highest for
November
2015
Mean for
November
2015
Diff
from
average
Lowest for
November
2015
Total for
November
2015
Average
for
November
Rank of
November
2015
Fraction of
November
average
Darwin-Daly (district 14GA)
Batchelor Airport 37.8 +2.3 39.8 18th 24.4 +0.5 22.0 15th 47.6 131.8 low 36%
Black Point 33.6 +0.4 35.7 20th 25.4 -0.2 22.3 2nd 20.4 62.6 average 33%
Bradshaw 39.3 +1.0 42.0 27th 26.5 +1.0 22.3 15th 92.2 102.8 average 90%
Central Arnhem Plateau 35.9 +0.7 37.2 27th 23.6 +0.2 20.2 12th 2.2 95.3 v low 2%
Channel Point 33.2 +0.4 34.7 26th 25.6 +0.6 22.6 5th
Charles Point 32.9   34.1 23rd 26.5   22.7 20th 94.6
Croker Island Airport 34.4   35.7 14th 25.5   22.5 2nd 0
Darwin Airport 34.7 +1.4 36.9 8th 25.9 +0.6 22.0 15th 84.6 141.3 low 60%
Delamere Weapons Range 38.9 +1.3 41.9 26th 24.9 +0.1 20.2 15th 100.6 75.6 average 133%
Douglas River 37.9 +1.0 40.4 26th 24.0 +0.5 22.1 1st 189.0 119.6 high 158%
Dum In Mirrie Airstrip 33.9 +1.0 35.1 26th 26.3 +0.3 23.5 28th 74.2 124.8 low 59%
Jabiru Airport 38.9 +2.0 41.2 8th 25.9 +1.0 22.6 15th 61.0 141.3 v low 43%
Katherine Country Club 39.4   42.0 26th 25.1   22.0 12th 97.2
Mango Farm 37.6 +1.2 40.2 16th 23.2 -0.2 21.1 10th 270.2 138.2 highest 196%
McCluer Island 31.7 -0.4 33.6 29th 27.3 +0.1 23.6 12th 3.6 28.5 low 13%
Middle Point 38.4 +2.1 41.6 8th 23.6 +0.1 21.4 15th 60.0 119.9 v low 50%
Murganella Airstrip 35.7   37.9 15th 23.4   21.0 24th 28.0
Noonamah Airstrip 37.3   39.5 8th 25.1   22.8 15th 39.6
Oenpelli Airport 39.1   41.7 8th 24.6   21.7 19th 42.4
Pirlangimpi Airport 36.1 +2.6 38.7 8th 24.2 0.0 22.2 2nd 146.4 187.9 low 78%
Point Fawcett 34.6 +1.5 36.3 8th 24.3 -0.7 22.0 2nd 5.4 112.8 v low 5%
Point Stuart 35.5   37.4 8th 25.3   22.5 15th 31.8 80.9 low 39%
Port Keats Airport 35.5 +1.2 40.6 11th 25.7 +0.3 23.0 16th 23.6 75.2 low 31%
Tindal RAAF 39.2 +1.9 42.2 26th 24.6 -0.4 20.7 12th 67.4 95.0 average 71%
Arnhem (district 14BC)
Cape Wessel 34.0   35.3 15th 25.8   24.5 18th 7.6 33.4 average 23%
Gove Airport 34.3 +1.2 38.0 10th 23.8 +0.4 17.8 18th 0.2 44.8 low 0%
Groote Eylandt Airport 36.4 +2.0 39.9 10th 24.6 +1.1 17.4 18th 19.2 117.5 v low 16%
Maningrida Airport 34.0 +0.2 35.4 8th 25.0 +0.3 22.5 15th 1.4 43.2 v low 3%
Milingimbi Airport 33.9 +0.2 35.5 9th 26.0 +0.7 23.3 12th 40.0 65.5 average 61%
Ngayawili 33.2 0.0 35.2 21st 24.9 +0.6 20.8 1st 24.2 67.9 average 36%
Warruwi Airport 34.1 +0.5 36.5 8th 26.2 -0.2 23.0 17th 16.6 56.2 low 30%
Roper-Mcarthur (district 14DE)
Borroloola Airport 39.7 +2.5 42.9 29th 25.3 +1.5 17.7 18th 13.6 75.4 low 18%
Bulman 40.5 +1.9 42.8 9th 25.2 +1.2 20.4 19th 67.4 55.0 average 123%
Centre Island 36.3 +1.7 38.6 9th 27.2 +0.5 24.5 16th 0.2 42.9 v low 0%
Daly Waters Airstrip 40.7 +2.6 43.7 10th 23.5 -0.2 14.1 18th 40.0 47.8 average 84%
McArthur River Mine Airport 40.7 +2.1 43.8 29th 25.5 +1.4 17.7 18th 17.6 57.3 low 31%
Ngukurr Airport 41.2   43.7 27th 26.1   19.8 19th 10.4
Victoria (district 14F)
Lajamanu Airport 40.3 +2.1 43.5 29th 24.2 +1.1 17.5 18th 17.8 30.8 average 58%
Victoria River Downs 39.6 +1.1 44.5 29th 24.9 +0.3 18.5 18th 94.8 60.8 high 156%
Wave Hill 40.0 +1.4 43.5 23rd 24.4 +0.6 20.0 18th 45.9 58.6 average 78%
Barkly (district 15A)
Elliott 40.0 +0.9 44.0 29th 24.8 +1.4 20.3 20th 30.2 48.3 average 63%
Tennant Creek Airport 39.2 +2.7 41.9 29th 25.6 +1.8 21.4 4th 33.2 40.5 average 82%
Alice Springs (district 15B)
Alice Springs Airport 36.8 +3.1 42.2 20th 19.1 +1.2 12.3 16th 20.2 28.4 average 71%
Arltunga 35.9 +2.3 40.5 25th 19.4 +1.2 12.3 18th 4.4 30.4 low 14%
Curtin Springs 38.1 +3.7 43.4 2nd 20.9 +2.9 14.4 5th 0 23.2 lowest 0%
Jervois 38.1 +2.1 42.2 25th 21.5 +2.5 15.3 17th 3.8 23.4 low 16%
Rabbit Flat 39.9 +1.2 43.4 20th 22.4 +0.3 16.2 18th 58.0 42.4 average 137%
Territory Grape Farm 38.3 +2.7 42.4 20th 21.0 +2.2 15.0 16th 28.6 30.8 average 93%
Yulara Airport 38.3 +3.4 43.7 2nd 21.2 +2.9 14.1 5th 0.8 34.2 v low 2%

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 12 pm on Tuesday 1 December 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

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(03) 9669 4057
Enquiries

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