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McArthur River Climate

McArthur River Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
35.9 35.2 35.0 34.7 32.4 29.8 29.9 32.1 35.3 37.8 38.6 37.8 34.5
Mean Min (°C)
24.9 24.7 23.4 20.5 16.7 12.7 12.1 13.4 17.2 21.0 24.1 25.1 19.6
Mean Rain (mm)
210.3 184.4 153.8 33.5 7.7 1.7 2.4 0.3 5.1 20.3 62.2 129.9 819.2
Median Rain (mm)
170.0 162.1 109.2 14.4 0.4 0.0 0.0 0.0 0.0 1.6 37.2 88.6 669.5
Mean Rain Days
13.6 13.3 10.8 3.5 1.2 0.5 0.4 0.3 0.7 2.0 5.7 9.7 59.2

McArthur River Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.0 45.3 42.4 39.1 37.7 35.6 35.4 37.9 40.6 43.7 44.3 46.0 46.0
Low Max (°C)
24.5 25.4 24.8 22.2 20.2 17.7 18.2 20.0 22.9 28.0 28.3 25.8 17.7
High Min (°C)
32.6 30.0 29.3 27.3 25.0 23.7 23.2 23.7 26.1 29.4 29.9 32.3 32.6
Low Min (°C)
16.0 17.5 13.8 7.5 3.2 1.6 1.0 2.7 6.0 9.3 14.5 16.5 1.0
High Rain (mm)
173.4 197.6 124.1 162.2 86.4 15.0 49.0 11.6 48.4 90.6 200.4 122.4 200.4

McArthur River Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
40.0 39.9 38.5 37.1 34.8 31.8 32.2 34.3 37.0 39.8 40.3 40.6 35.7
Low Mn. Max (°C)
31.5 32.1 32.3 31.3 30.1 26.6 27.5 30.4 32.3 35.8 35.8 34.5 33.1
High Mn. Min (°C)
26.2 27.0 25.4 23.1 20.4 15.8 17.5 15.7 22.0 23.7 26.5 27.4 21.4
Low Mn. Min (°C)
22.0 23.0 20.5 17.0 13.0 9.0 8.8 9.3 12.0 16.9 22.1 22.9 17.4
High Rain (mm)
782.3 660.9 565.5 213.6 160.1 18.2 56.6 12.6 89.6 184.6 290.4 435.2 1624.8
Low Rain (mm)
10.1 5.2 5.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 4.4 22.4 293.6

McArthur River Annual Temperatures & Rainfall

MCARTHUR RIVER MINE AIRPORT

Mean daily minimum temp
Mean daily maximum temp
Highest/lowest on record
Highest/lowest on record
Mean monthly rainfall

McArthur River Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
3.0 1.2 0.4 0.0 0.0 0.0 0.0 0.0 0.1 4.0 7.3 5.8 19.8
≥ 35°C
17.6 14.7 16.9 13.7 3.0 0.1 0.1 3.0 16.2 25.7 25.6 22.4 144.1
≥ 30°C
26.6 25.1 26.8 25.8 23.3 14.8 15.3 23.2 25.9 27.6 27.3 26.1 262.8
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.1
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0

McArthur River 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
39.4 38.5 37.6 36.7 34.7 32.6 32.5 34.5 37.6 40.0 40.7 40.7 38.8
Low Max
32.2 31.7 32.3 32.9 29.8 26.9 27.0 29.5 33.0 35.6 36.6 34.8 30.2
High Min
26.6 26.2 25.2 23.4 20.7 17.4 16.8 17.7 21.7 24.6 26.7 27.2 25.4
Low Min
23.3 23.3 21.2 17.1 12.4 7.7 7.1 9.2 12.8 17.4 21.5 23.0 12.4

McArthur River Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
32 35 34 32 33 35 32 33 32 30 34 32 32.8
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
32 36 35 32 33 35 33 33 32 30 33 33 33.0
Earliest Entry
1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969 1969
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
43 43 44 43 43 43 43 42 42 42 43 42 42.7
Earliest Entry
1969 1969 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968 1968
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

MCARTHUR RIVER MINE AIRPORT
Roper-McArthur, Northern Territory
16.4423°S 136.0760°E 40m AMSL
Commenced 1968
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