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Prospect Dam Climate

Prospect Dam Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
28.5 28.0 26.4 23.7 20.3 17.3 16.8 18.8 21.4 23.9 25.5 27.5 23.2
Mean Min (°C)
17.7 17.8 16.2 13.0 9.9 7.5 6.1 6.8 9.4 12.1 14.3 16.3 12.3
Mean Rain (mm)
94.3 96.5 98.0 76.3 69.8 77.1 56.2 50.5 46.4 58.5 72.8 74.8 871.6
Median Rain (mm)
71.8 73.1 77.4 54.5 38.4 39.0 32.9 29.4 40.7 43.3 60.1 56.4 819.1
Mean Rain Days
10.6 10.6 11.0 9.7 9.3 9.7 8.0 8.1 8.5 9.2 9.5 9.8 113.4

Prospect Dam Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.1 43.3 39.5 37.1 29.4 25.6 26.5 29.4 35.0 39.0 42.0 42.7 45.1
Low Max (°C)
17.5 18.0 16.0 14.3 12.5 10.0 7.8 10.5 11.7 12.0 12.5 11.7 7.8
High Min (°C)
26.7 26.5 23.3 21.9 17.4 15.8 16.3 17.2 19.8 24.0 24.7 25.3 26.7
Low Min (°C)
0.0 10.8 7.9 3.6 1.2 -0.8 -0.6 -0.5 1.7 0.0 6.8 7.8 -0.8
High Rain (mm)
161.2 164.6 153.9 163.1 314.2 163.4 143.5 321.0 96.5 102.1 126.2 154.9 321.0

Prospect Dam Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
32.0 31.6 29.3 26.0 22.8 19.4 18.6 21.5 25.6 27.8 29.8 31.3 24.6
Low Mn. Max (°C)
24.0 24.9 22.6 21.1 18.1 14.6 14.4 15.7 17.6 19.9 22.5 23.4 20.9
High Mn. Min (°C)
20.3 19.5 18.7 16.0 12.1 10.9 7.9 9.1 11.7 14.2 16.1 20.5 13.9
Low Mn. Min (°C)
15.6 15.4 13.2 10.7 8.1 5.5 4.2 4.3 7.0 10.1 12.5 13.6 11.4
High Rain (mm)
426.7 519.1 380.7 425.0 556.0 531.3 323.7 458.5 186.3 269.0 391.3 338.1 1900.0
Low Rain (mm)
3.9 2.8 5.1 2.0 1.0 1.0 0.0 0.0 0.0 0.0 0.8 2.2 268.0

Prospect Dam Annual Temperatures & Rainfall

PROSPECT RESERVOIR

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

Prospect Dam Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°C
0.7 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2 0.2 1.3
≥ 35.0°C
3.6 2.3 0.5 0.0 0.0 0.0 0.0 0.0 0.0 0.4 1.4 2.4 10.6
≥ 30.0°C
10.9 8.4 5.5 0.9 0.0 0.0 0.0 0.0 1.1 3.8 5.6 9.2 44.9
≤ 2.0°C
0.0 0.0 0.0 0.0 0.1 0.6 1.8 0.8 0.0 0.0 0.0 0.0 3.2
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.0 0.0 0.2

Prospect Dam 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
34.0 32.6 30.3 27.1 23.2 19.5 19.1 21.9 25.7 29.0 30.6 32.8 29.2
Low Max
23.2 23.2 22.5 20.0 17.5 15.0 14.5 15.7 17.1 18.7 20.3 22.3 17.0
High Min
20.1 20.1 18.6 15.6 13.0 10.6 9.0 10.0 12.4 15.0 17.1 19.0 17.8
Low Min
15.0 15.3 13.5 10.1 6.7 4.4 3.1 3.9 6.2 8.9 11.0 13.5 6.3

Prospect Dam Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
53 53 53 52 51 52 52 51 51 51 52 52 51.7
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Maxima
53 53 53 51 51 52 52 51 51 52 52 52 51.8
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017
Years of Rainfall
130 131 131 131 131 130 130 130 130 130 129 129 130.1
Earliest Entry
1888 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

PROSPECT RESERVOIR
Sydney, New South Wales/ACT
33.8193°S 150.9127°E 61m AMSL
Commenced 1887
Display Your Local Weather

Weather News

Perth storm: Severe cold front hits WA's South West, bringing heavy rain, winds and flooding

12:16 EST

The full force of mother nature is being felt in Western Australia as emergency services deal with damaging wind gusts from a severe cold front that is also dumping heavy rain in Perth and the state's South West.

Damaging winds lash WA

11:00 EST

Severe weather continues to threaten parts of WA today after a powerful front crossed the state's west coast overnight.

Severe weather warning issued as destructive cold front hits southern WA

23:06 EST

Heavy rain has soaked Perth and surrounds as the first strong cold front of the season batters the southern half of the state, with damaging winds of up to 125 kilometres per hour predicted overnight.