Monday, 3 March 2008 - Monthly Climate Summary for Northern Territory - Product code IDCKGC12R0

Northern Territory in February 2008
Long-lived monsoon, but dry in the south

Summary

February began with an inactive monsoon over northern Australia, with conditions over the Top End akin to the build-up. About a week into the month, the monsoon trough reinvigorated over northern Australia, bringing periods of heavy rain. These conditions persisted for the remainder of the month with large rainfall totals recorded during February. By contrast, a hot and dry summer continued over southern parts of the Territory.

Rainfall

A combination of the long-running active monsoon and extreme rainfall events that were recorded during the monsoon meant that many Territory stations over the Top End and Victoria River region recorded record-high February rainfall totals. Dum In Mirrie recorded 1193 mm for the month, which included 767 mm in a three-day period from 20 February, being one of the highest three-day totals ever recorded in the Territory. Over much of the western Top End, rainfall was observed on most days of the month, with Darwin recording its most-ever February rain days (28).

While a deluge occurred in the north, hot and dry conditions persisted over southern parts of the Territory. There were isolated falls in the 20−40 mm range, but most observing sites recorded single-digit rainfall totals. As a result summer rains have essentially failed over much of this region, which also experienced relatively dry and record hot weather in January.

Some sites had their highest total February rainfall on record.

Some sites had their highest daily February rainfall on record.

Temperature

The lingering monsoon conditions resulted in below average day-time temperatures over northern parts of the Territory, while over the Barkly and northern parts of the Alice Springs district the persistence of dry sunny days resulted in above average temperatures when averaged across the month.  

Some sites had their highest February temperature on record.

Some sites had their coldest February day (lowest maximum temperature) on record.

Some sites had their lowest February mean daily maximum temperature on record.

Some sites had their lowest February temperature on record.

Some sites had their warmest February night (highest daily minimum temperature) on record.

Some sites had their highest February mean daily minimum temperature on record.

Further information

NT Climate Services Centre
Bureau of Meteorology
Phone (08) 8920 3813
Email climate.NT@bom.gov.au

Extremes

Hottest day
Highest temperature
44.8°C at Wulungurru AWS on the 20th
Warmest days on average
Highest mean daily maximum temperature
38.4°C at Ali Curung
Coolest days on average
Lowest mean daily maximum temperature
30.2°C at Central Arnhem Plateau AWS
Coldest day
Lowest daily maximum temperature
23.0°C at Curtin Springs on the 24th
Coldest night
Lowest temperature
12.0°C at Watarrka on the 24th
Coolest nights on average
Lowest mean daily minimum temperature
20.2°C at Kulgera
Warmest nights on average
Highest mean daily minimum temperature
26.7°C at Centre Island AWS
Warmest night
Highest daily minimum temperature
30.6°C at Wulungurru AWS on the 21st
Wettest overall
Highest total rainfall
1193.2 mm at Dum In Mirrie AWS
Wettest days
Highest daily rainfall
345.6 mm at Dum In Mirrie AWS on the 20th
304.2 mm at Dum In Mirrie AWS on the 19th

Records

Record highest total rainfall for February 2008
 
Total rainfall
(mm)
Previous highest
for February
Years of
record
Victoria River Downs
747.0
579.8
in 2004
119
Ngukurr
636.1
570.8
in 1943
74
Larrimah
494.4
485.9
in 2002
54
Kidman Springs
575.7
395.3
in 1980
35
Pirlangimpi AWS
878.8
780.9
in 1999
34
Katherine Aviation Museum
469.8
444.6
in 2002
30
Mango Farm
647.1
568.4
in 1993
25
Keep River Rangers
674.1
347.2
in 2002
24
Dorisvale
591.6
450.0
in 1999
18
Dun Im Mirrie AWS
1193.2
873.6
in 1999
16
Leanyer
824.6
797.0
in 2003
16
Wagait Beach
696.9
696.8
in 2003
16
Channel Point
895.0
833.3
in 1999
15
Walker Creek
952.3
640.0
in 2001
10



Record highest daily rainfall for February 2008
  Highest daily
(°C)
Previous highest Years of
record
Darwin Botanic Garden
190.8
on the 20th
181.6
on the 17th in 1893
45
Kidman Springs
133.8
on the 13th
108.4
on the 13th in 2001
36
Pirlangimpi AWS
152.6
on the 19th
118.1
on the 16th in 1999
35
Keep River Rangers
184.6
on the 28th
90.3
on the 15th in 1997
23
Dorisvale
136.6
on the 27th
115.2
on the 24th in 1990
18
Leanyer
179.2
on the 20th
151.8
on the 20th in 2003
16
Nightcliff Pool
199.8
on the 19th
187.5
on the 6th in 1969
16
CSIRO Berrimah
181.0
on the 20th
107.0
on the 22nd in 1997
12
Walker Creek
178.8
on the 19th
135.4
on the 20th in 1997
10



Record lowest daily maximum temperature for February 2008
  Lowest daily maximum
temperature
(°C)
Previous lowest
Years of
record
Pirlangimpi AWS
25.7
on the 19th
26.5
on the 24th in 1991
23
Ngukurr
26.5
on the 10th
26.6
on the 28th in 1969
14



Record lowest mean daily maximum temperature for February 2008
  Mean daily maximum
temperature
(°C)
Previous lowest Years of
record
Channel Point
30.5
30.7
in 1999
13



Record highest daily minimum temperature for February 2008
  Highest daily minimum
temperature
(°C)
Previous highest Years of
record
Territory Grape Farm AWS
28.2
on the 18th
27.8
on the 16th in 1994
11



Record lowest temperature for February 2008
  Lowest temperature
(°C)
Previous lowest Years of
record
Watarrka
12.0
on the 24th
13.6
on the 22nd in 2002
17



Record highest mean daily minimum temperature for February 2008
  Mean daily minimum
temperature
(°C)
Previous highest Years of
record
Ali Curung
25.4
25.0
in 1994
18
Territory Grape Farm AWS
23.4
22.8
in 2006
11
Rabbit Flat
24.4
24.2
in 2003
10



Summaries

This table is very wide and may not fit if printed.

Summary statistics for February 2008
  Maximum temperatures
(°C)
Minimum temperatures
(°C)
Rainfall
(millimetres)
Mean Diff
from
normal
Highest Mean Diff
from
normal
Lowest Total Rank Fraction of
normal
Darwin-Daly (district 14GA)
Batchelor Aero AWS
31.0
–1.4
35.5
1st
23.9
+0.1
22.6
20th
670.4
very high
200%
Black Point
31.0
0.0
33.5
1st
25.7
0.0
20.9
21st
227.4
normal
79%
Bradshaw AWS
32.8
38.1
1st
24.7
22.5
18th
232.4
Cape Don AWS
31.0
34.1
1st
25.8
23.4
11th
356.6
very high
165%
Central Arnhem Plateau AWS
30.2
35.7
1st
23.0
21.9
13th
434.6
Channel Point
30.5
–1.1
34.1
3rd
25.1
+0.1
23.0
20th
895.0
highest
216%
Darwin Airport
30.8
–0.6
34.0
2nd
24.7
+0.1
22.8
12th
690.0
very high
193%
Delamere Weapons Range AWS
32.4
–2.2
37.0
1st
23.5
–0.4
21.0
18th
578.2
very high
275%
Dum In Mirrie AWS
30.6
–0.6
33.5
1st
25.0
–0.2
23.3
20th
1193.2
highest
298%
Jabiru Airport AWS
32.4
–0.7
36.4
4th
24.7
+0.3
23.3
14th
488.0
high
135%
Katherine Aviation Museum
32.7
–1.4
38.1
2nd
23.9
–0.1
22.2
9th
469.8
highest
196%
Mango Farm
31.5
–1.7
37.4
1st
24.1
+0.4
22.6
19th
647.1
highest
204%
McCluer Island AWS
30.7
33.7
5th
26.2
23.7
23rd
418.0
very high
160%
Middle Point AWS
32.3
37.3
2nd
24.3
23.2
12th
543.4
Oenpelli
32.0
–0.5
36.5
3rd
23.4
24th
591.3
very high
179%
Pine Creek Council
31.3
36.1
2nd
23.9
22.6
9th
491.2
Pirlangimpi AWS
30.7
–0.7
34.0
1st
24.6
+0.3
23.4
19th
878.8
highest
227%
Point Fawcett AWS
30.7
–0.7
33.3
1st
25.7
+0.2
24.1
12th
271.0
normal
99%
Tindal RAAF AWS
32.8
–1.0
37.0
2nd
24.2
+0.1
22.4
9th
457.0
very high
188%
Arnhem (district 14BC)
Alyangula Police
32.3
–0.2
35.4
4th
26.2
+0.6
22.2
29th
280.8
normal
117%
Gove Airport
31.3
–0.1
34.6
6th
24.5
–0.1
22.8
14th
261.6
normal
92%
Groote Eylandt Airport AWS
32.5
35.4
6th
25.1
21.7
29th
343.6
Maningrida Aero AWS
31.7
35.1
6th
24.9
23.2
23rd
500.0
Milingimbi AWS
31.8
35.6
6th
25.2
23.3
23rd
439.0
Ngayawili AWS
31.1
33.6
4th
25.4
24.0
7th
471.6
Warruwi AWS
31.4
0.0
34.8
4th
25.8
+0.5
23.6
13th
224.2
normal
95%
Roper-Mcarthur (district 14DE)
Borroloola AWS
33.9
0.0
37.8
1st
24.7
0.0
22.1
7th
296.0
high
131%
Bulman AWS
33.7
37.5
3rd
24.4
22.3
29th
309.8
Centre Island AWS
33.1
+0.1
36.2
6th
26.7
+0.2
23.8
29th
202.0
normal
74%
Daly Waters AWS
33.6
–1.3
39.4
5th
23.6
+0.1
20.9
16th
391.2
very high
227%
Larrimah
33.6
–0.8
37.7
3rd
23.7
0.0
21.2
11th
494.4
highest
246%
McArthur River Mine
35.4
+0.2
40.0
6th
25.4
+0.7
22.6
9th
191.2
normal
105%
Ngukurr
33.8
–1.3
39.0
6th
25.0
+0.3
23.0
11th
636.1
highest
370%
Wollogorang
34.7
+0.3
38.3
4th
24.9
+0.8
22.6
12th
194.2
normal
77%
Victoria (district 14F)
Kidman Springs
33.8
–2.1
38.1
1st
24.1
–0.8
21.9
11th
575.7
highest
322%
Lajamanu AWS
36.5
+0.6
40.1
20th
24.1
+0.4
21.9
13th
83.2
normal
56%
Timber Creek
34.1
–1.0
39.0
1st
24.2
–0.5
22.1
19th
381.5
high
172%
Victoria River Downs
33.1
–2.4
38.4
1st
24.1
–0.4
21.9
9th
747.0
highest
477%
Wave Hill
35.2
–0.7
40.9
1st
24.1
+0.3
21.3
16th
183.9
normal
105%
Barkly (district 15A)
Brunette Downs
38.1
+1.8
41.4
6th
25.4
+1.2
21.9
24th
98.4
normal
99%
Tennant Creek Airport
37.9
+2.2
40.7
1st
26.2
+1.7
23.8
14th
37.4
low
30%
Alice Springs (district 15B)
Ali Curung
38.4
+1.7
41.9
20th
25.4
+2.2
18.7
19th
21.8
low
21%
Alice Springs Airport
35.0
–0.1
41.5
22nd
21.1
+0.4
15.1
29th
6.2
normal
15%
Arltunga
34.5
41.0
22nd
22.1
15.8
26th
3.0
low
7%
Curtin Springs
35.7
–0.7
43.4
21st
21.7
+0.1
15.3
25th
0
low
0%
Jervois
37.4
+0.6
43.1
22nd
23.9
+1.9
19.1
29th
1.0
low
2%
Kulgera
33.4
–2.2
41.8
21st
20.2
–1.4
13.2
26th
4.6
normal
13%
Papunya
38.2
42.1
22nd
22.3
17.6
29th
0
low
0%
Rabbit Flat
38.1
+1.2
41.7
20th
24.4
+0.8
18.9
28th
21.0
low
17%
Territory Grape Farm
37.0
+0.7
41.7
21st
23.4
+1.8
17.8
29th
5.0
low
7%
Watarrka
36.3
–0.6
42.5
21st
23.1
–0.2
12.0
24th
6.8
normal
14%
Yulara Aero AWS
35.6
–1.3
42.7
21st
21.9
–0.3
16.4
25th
1.6
normal
3%

Notes

This statement has been prepared based on information available at 5 pm on Monday 3 March 2008. Some checks have been made on the data, but it is possible that results will change as new information becomes available.

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, normal in decile 4 to 7, high in decile 8 or 9 and very high is in decile 10).
The Fraction of normal shows how much rain has fallen this time as a percentage of the long-term mean.

Further information

NT Climate Services Centre
Bureau of Meteorology
Phone (08) 8920 3813
Email climate.NT@bom.gov.au