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Rocky Gully Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
27.5 27.4 25.3 22.1 18.7 15.6 14.6 15.3 16.4 19.1 23.2 25.5 20.9
Mean Min (°C)
12.7 13.3 12.4 11.0 9.3 7.6 6.3 6.7 7.1 7.9 9.9 11.1 9.6
Mean Rain (mm)
18.8 17.0 35.6 53.9 73.7 140.0 104.7 98.6 102.4 55.3 41.9 32.9 764.6
Median Rain (mm)
6.7 7.4 28.2 35.0 74.6 100.6 95.2 100.7 94.1 46.9 28.4 17.2 686.8
Mean Rain Days
7.4 6.5 9.1 13.1 16.0 18.7 19.5 19.3 20.9 16.3 11.7 8.1 165.4

Rocky Gully Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
43.1 40.7 40.7 35.0 29.0 22.4 21.5 23.4 27.4 32.4 38.1 41.8 43.1
Low Max (°C)
15.9 16.6 11.6 12.2 10.3 8.7 8.8 7.9 9.7 11.1 12.8 14.9 7.9
High Min (°C)
22.9 23.9 23.8 18.8 17.8 13.1 13.2 14.3 13.3 18.0 20.1 20.6 23.9
Low Min (°C)
3.7 5.7 4.3 2.8 1.6 0.3 -0.3 -0.2 0.3 0.9 0.5 3.0 -0.3
High Rain (mm)
33.0 37.0 44.2 84.2 36.0 478.4 35.2 33.2 36.4 47.6 51.6 46.0 478.4

Rocky Gully Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
29.5 30.1 27.2 24.6 20.3 16.3 15.5 17.0 17.6 21.6 25.4 28.4 21.9
Low Mn. Max (°C)
24.2 26.1 22.4 18.6 16.8 14.3 13.5 13.8 14.1 16.7 19.2 22.3 19.9
High Mn. Min (°C)
14.1 15.3 14.9 13.3 11.7 8.7 7.7 8.3 8.2 9.4 12.0 12.7 10.3
Low Mn. Min (°C)
11.0 11.7 11.4 9.6 7.8 6.0 4.8 5.0 5.7 6.4 8.0 9.3 9.0
High Rain (mm)
80.4 55.6 113.4 203.0 150.2 821.0 181.4 147.6 197.2 120.2 101.0 121.6 1349.4
Low Rain (mm)
3.8 2.8 3.4 7.8 35.4 46.6 53.4 28.2 35.6 19.2 15.6 2.0 471.0

Rocky Gully Annual Temperatures & Rainfall

ROCKY GULLY

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

Rocky Gully Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.5 0.1 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 1.1
≥ 35°C
2.7 2.5 1.5 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.6 1.6 8.8
≥ 30°C
8.9 8.2 5.8 1.4 0.0 0.0 0.0 0.0 0.0 0.3 3.5 6.2 34.3
≤ 2°C
0.0 0.0 0.0 0.0 0.1 0.3 1.3 0.5 0.4 0.2 0.1 0.0 2.9
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.0 0.0 0.0 0.0 0.1

Rocky Gully 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.8 33.8 31.4 26.7 22.2 18.0 16.6 17.5 19.2 22.5 27.9 31.1 27.8
Low Max
21.7 21.8 19.5 17.3 15.3 13.0 12.4 12.6 13.4 14.9 17.6 19.7 14.5
High Min
15.6 16.4 16.1 13.7 12.4 10.2 9.0 9.3 9.8 10.8 12.8 14.1 13.6
Low Min
9.2 9.3 8.7 7.6 6.3 4.9 3.7 3.8 4.2 4.8 6.3 7.7 5.5

Rocky Gully Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
17 18 18 17 17 17 17 17 18 18 18 18 17.2
Earliest Entry
1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013
Years of Maxima
17 17 17 18 17 17 17 17 18 18 18 17 17.3
Earliest Entry
1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013
Years of Rainfall
17 17 18 17 17 16 16 16 18 18 18 18 17.0
Earliest Entry
1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996 1996
Latest Entry
2013 2013 2013 2013 2013 2013 2012 2013 2013 2013 2013 2013 2013

Station Details

ROCKY GULLY
Southern Coastal, Western Australia
34.5714°S 117.0106°E 250m AMSL
Commenced 1995

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