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Prospect Dam Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
28.4 27.9 26.3 23.6 20.3 17.3 16.8 18.7 21.4 23.8 25.4 27.4 23.1
Mean Min (°C)
17.6 17.8 16.1 13.0 9.9 7.4 6.1 6.8 9.4 12.0 14.3 16.3 12.2
Mean Rain (mm)
92.3 97.0 97.0 74.1 70.8 75.5 56.3 50.3 46.6 58.9 72.9 74.7 866.2
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 10.7 11.0 9.6 9.4 9.7 7.9 8.1 8.5 9.3 9.5 9.8 113.9

Prospect Dam Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
45.1 42.5 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)
31.3 31.6 29.3 26.0 22.4 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 17.9 16.0 12.1 10.9 7.9 9.1 11.7 13.7 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)
426.7 519.1 380.7 363.5 556.0 531.3 323.7 458.5 186.3 269.0 391.3 338.1 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°C
0.6 0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 1.1
≥ 35°C
3.4 2.2 0.6 0.0 0.0 0.0 0.0 0.0 0.0 0.4 1.3 2.3 10.2
≥ 30°C
10.8 8.3 5.3 0.8 0.0 0.0 0.0 0.0 1.1 3.8 5.5 9.0 44.5
≤ 2°C
0.0 0.0 0.0 0.0 0.0 0.6 1.7 0.8 0.0 0.0 0.0 0.0 3.2
≤ 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
50 50 50 49 48 50 50 49 49 49 50 50 49.3
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Maxima
50 50 50 49 48 50 50 49 49 50 50 50 49.4
Earliest Entry
1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965 1965
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014
Years of Rainfall
127 128 128 128 128 128 128 128 128 128 127 127 127.7
Earliest Entry
1888 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887 1887
Latest Entry
2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014 2014

Station Details

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

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