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Mount Barnett Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
34.8 34.0 34.7 33.8 32.2 29.3 29.5 31.6 35.1 37.8 38.4 37.0 34.0
Mean Min (°C)
23.1 22.6 21.8 17.7 14.4 10.4 8.5 10.9 15.7 20.8 23.1 23.5 17.9
Mean Rain (mm)
228.9 206.6 135.3 24.5 8.8 6.3 3.9 1.4 3.9 25.0 85.5 168.5 903.5
Median Rain (mm)
205.5 182.2 113.6 6.3 0.0 0.0 0.0 0.0 0.0 12.0 67.4 144.3 840.0
Mean Rain Days
16.1 15.1 10.9 3.0 1.5 1.0 0.6 0.4 0.8 3.7 8.5 12.9 69.9

Mount Barnett Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
42.5 40.1 40.2 38.9 36.6 34.2 34.1 37.2 39.2 42.0 46.2 43.1 46.2
Low Max (°C)
24.7 25.1 26.9 24.9 25.7 21.9 22.5 23.2 28.0 30.5 28.7 26.0 21.9
High Min (°C)
27.4 26.2 26.0 24.1 23.0 22.0 19.5 22.0 25.0 28.3 27.9 27.4 28.3
Low Min (°C)
19.1 17.7 15.7 7.4 2.7 0.9 0.1 -0.7 5.9 12.8 15.5 16.9 -0.7
High Rain (mm)
208.3 132.1 164.3 58.8 37.6 54.6 31.6 17.8 34.3 93.8 86.9 190.6 208.3

Mount Barnett Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
37.0 35.9 36.1 34.8 33.3 30.9 31.4 33.0 36.4 39.3 39.3 39.4 34.6
Low Mn. Max (°C)
31.5 31.3 32.0 32.7 31.4 27.2 27.4 28.9 34.2 36.4 37.0 34.3 32.9
High Mn. Min (°C)
24.1 23.6 23.1 19.8 18.0 13.8 12.4 13.2 17.3 22.7 24.5 24.3 18.3
Low Mn. Min (°C)
22.6 21.4 20.2 16.4 12.8 7.5 6.1 9.0 14.7 20.0 21.4 22.4 17.0
High Rain (mm)
592.6 529.2 451.5 128.6 75.7 76.8 54.5 22.9 34.3 177.4 278.0 513.9 1547.4
Low Rain (mm)
29.5 31.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 30.8 398.9

Mount Barnett Annual Temperatures & Rainfall

MOUNT BARNETT

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

Mount Barnett Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
1.7 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 3.6 5.9 5.0 14.7
≥ 35°C
13.4 10.9 16.0 8.0 1.6 0.0 0.0 2.1 13.4 24.1 24.6 18.5 118.0
≥ 30°C
24.4 23.9 27.6 26.4 22.8 12.8 13.4 22.0 22.7 26.4 25.9 24.3 239.2
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.2 1.8 0.2 0.0 0.0 0.0 0.0 1.8
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.0 0.0 0.0 0.0 0.2

Mount Barnett 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
38.6 36.7 37.0 35.8 34.1 31.7 31.9 34.3 37.1 39.8 40.3 40.4 38.3
Low Max
31.1 30.9 31.8 31.6 30.1 26.7 26.4 28.3 33.2 35.5 36.4 33.5 29.7
High Min
24.6 24.2 23.5 21.5 19.1 15.7 13.2 15.5 20.0 23.8 25.2 25.5 23.8
Low Min
21.5 21.2 20.0 13.3 10.2 5.0 3.6 6.2 10.7 18.0 21.2 21.6 9.9

Mount Barnett Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
8 10 9 9 8 8 8 9 8 9 9 8 8.5
Earliest Entry
1984 1984 1984 1984 1984 1984 1984 1984 1983 1983 1983 1983 1983
Latest Entry
1993 1993 1993 1993 1993 1992 1992 1992 1991 1992 1992 1992 1993
Years of Maxima
8 9 9 9 8 9 8 9 7 9 9 8 8.5
Earliest Entry
1984 1984 1984 1984 1984 1984 1984 1984 1983 1983 1983 1983 1983
Latest Entry
1993 1993 1993 1993 1993 1992 1992 1992 1991 1992 1992 1992 1993
Years of Rainfall
47 47 48 47 47 47 47 48 47 46 47 48 47.1
Earliest Entry
1908 1908 1908 1908 1908 1908 1908 1908 1908 1908 1908 1908 1908
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013

Station Details

MOUNT BARNETT
Kimberley, Western Australia
16.7372°S 125.9086°E 401m AMSL
Commenced 1983

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Southwest WA heats up before a soaking

16:39 EST The mercury soared in the nation's southwest today with Perth recording its hottest September day on record, however heavy rain and cooler temperatures will arrive on Sunday.

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