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Harvey Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
31.1 31.1 29.4 24.7 21.5 18.4 17.1 17.6 18.5 21.2 25.2 28.4 23.8
Mean Min (°C)
15.6 16.0 14.9 12.2 10.6 8.2 7.5 7.5 8.4 9.6 11.9 13.3 11.4
Mean Rain (mm)
13.2 11.7 11.0 52.0 108.1 149.9 159.0 132.2 112.4 49.7 38.9 14.4 829.9
Median Rain (mm)
0.2 5.8 7.0 34.6 102.7 154.4 152.5 146.0 105.7 41.2 37.1 4.4 885.0
Mean Rain Days
2.8 2.8 3.6 9.6 11.9 15.5 19.6 18.2 18.7 10.0 7.3 3.6 106.8

Harvey Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
41.5 42.5 41.2 34.8 30.8 23.8 22.5 24.5 27.5 33.2 37.8 42.0 42.5
Low Max (°C)
20.0 17.8 14.5 16.5 14.0 12.4 12.0 12.0 13.0 14.4 16.2 17.5 12.0
High Min (°C)
26.5 25.4 25.5 20.8 18.0 15.5 14.4 15.5 16.8 18.2 22.5 28.0 28.0
Low Min (°C)
5.2 6.8 4.4 2.5 2.0 1.0 0.2 0.5 1.0 0.5 4.5 4.0 0.2
High Rain (mm)
26.2 21.1 22.2 58.2 62.8 64.6 44.4 43.2 51.0 27.0 28.6 26.6 64.6

Harvey Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
33.1 33.7 31.5 27.1 23.1 19.4 18.0 18.9 20.2 23.0 28.3 30.9 24.6
Low Mn. Max (°C)
28.7 29.5 28.1 22.5 19.5 17.0 16.6 16.3 17.0 18.8 22.4 22.7 22.4
High Mn. Min (°C)
19.9 18.7 17.2 13.8 13.0 9.8 9.9 9.2 9.7 10.5 13.5 15.8 11.8
Low Mn. Min (°C)
14.0 14.8 13.3 10.2 9.1 6.9 6.0 5.9 7.4 7.5 10.2 10.6 10.7
High Rain (mm)
64.6 38.8 30.6 169.2 243.6 242.4 216.6 173.6 171.8 106.2 62.8 41.2 1072.3
Low Rain (mm)
0.0 0.0 0.0 0.4 31.9 31.0 77.2 26.2 29.8 13.0 5.4 0.0 481.2

Harvey Annual Temperatures & Rainfall

Harvey annual climate

Harvey Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.4 0.3 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 1.2
≥ 35°C
7.3 5.8 3.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.8 3.2 18.8
≥ 30°C
18.8 17.1 13.7 2.7 0.2 0.0 0.0 0.0 0.0 0.5 4.3 11.7 63.5
≤ 2°C
0.0 0.0 0.0 0.0 0.2 0.8 0.5 0.6 0.4 0.1 0.0 0.0 2.2
≤ 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

Harvey 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
35.5 35.5 34.0 28.8 25.0 20.6 19.0 19.5 21.0 24.9 29.6 34.0 31.2
Low Max
26.0 26.0 24.5 21.0 18.0 16.2 15.2 15.5 16.0 17.8 20.2 22.8 17.0
High Min
18.8 19.5 18.8 15.6 13.9 11.5 10.8 11.0 11.6 12.5 15.3 17.0 16.0
Low Min
11.0 12.0 10.6 8.8 7.0 5.3 4.3 4.5 5.2 6.0 8.4 9.2 6.5

Harvey Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
12 12 12 12 11 11 11 11 11 11 11 12 11.3
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Maxima
12 12 12 12 11 11 11 11 11 11 11 12 11.4
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012
Years of Rainfall
12 12 12 12 11 11 11 11 11 11 11 12 11.4
Earliest Entry
2001 2001 2001 2001 2001 2001 2001 2001 2001 2001 2000 2000 2000
Latest Entry
2012 2012 2012 2012 2011 2011 2011 2011 2011 2011 2011 2011 2012

Station Details

HARVEY
Southwest, Western Australia
33.0789°S 115.8806°E 40m AMSL
Commenced 2000

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