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Blue Rock Reservoir Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
26.0 26.0 23.4 19.7 16.1 13.5 13.0 14.0 16.2 18.5 21.1 23.4 19.1
Mean Min (°C)
13.0 13.1 11.7 9.7 7.7 5.5 4.8 5.1 6.5 7.9 9.9 11.3 8.8
Mean Rain (mm)
54.9 56.6 56.8 64.8 58.3 72.0 70.1 68.9 87.1 86.6 79.9 70.7 825.4
Median Rain (mm)
52.0 39.4 45.9 49.4 50.7 53.0 57.1 47.6 66.6 69.9 64.4 62.4 739.7
Mean Rain Days
8.5 7.2 9.7 10.6 14.0 15.7 16.9 15.8 14.8 14.0 11.3 10.0 148.3

Blue Rock Reservoir Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
42.5 43.0 37.7 32.5 26.5 22.5 22.0 24.5 28.5 32.3 37.0 39.6 43.0
Low Max (°C)
12.0 14.0 12.6 10.0 8.4 7.8 7.0 7.1 7.8 6.5 9.9 12.3 6.5
High Min (°C)
23.0 22.9 23.5 16.4 15.0 13.6 12.4 14.6 17.0 14.2 18.8 26.0 26.0
Low Min (°C)
4.7 0.0 0.5 1.1 1.5 -5.0 -1.2 -1.4 -0.5 0.7 3.0 4.0 -5.0
High Rain (mm)
47.8 137.0 59.8 107.4 32.8 50.4 31.2 33.0 51.0 39.0 76.5 57.6 137.0

Blue Rock Reservoir Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
28.3 27.9 25.4 21.1 16.7 14.8 14.4 15.8 17.8 19.4 22.2 24.3 20.3
Low Mn. Max (°C)
21.5 22.3 19.6 17.0 15.6 12.0 11.8 12.0 13.0 16.2 18.5 20.1 16.5
High Mn. Min (°C)
14.4 13.8 13.8 11.4 9.3 7.9 6.3 6.4 7.4 9.2 11.1 12.9 9.7
Low Mn. Min (°C)
11.3 9.6 10.0 9.3 7.0 4.4 3.6 4.4 5.2 6.4 7.2 9.7 7.9
High Rain (mm)
129.6 158.8 133.8 150.0 120.6 141.2 110.2 104.6 178.4 155.6 134.2 124.6 990.7
Low Rain (mm)
4.6 4.4 14.0 7.6 10.8 29.6 24.0 23.6 35.8 23.2 18.6 18.0 500.2

Blue Rock Reservoir Annual Temperatures & Rainfall

WILLOW GROVE (BLUE ROCK RESERVOIR)

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

Blue Rock Reservoir Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°C
0.2 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.2
≥ 35°C
2.2 1.2 0.4 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.5 4.2
≥ 30°C
5.9 5.7 2.9 0.2 0.0 0.0 0.0 0.0 0.0 0.3 1.6 3.3 19.0
≤ 2°C
0.0 0.2 0.1 0.1 0.2 3.1 4.0 3.1 0.9 0.4 0.0 0.0 11.8
≤ 0°C
0.0 0.0 0.0 0.0 0.0 0.4 0.7 0.2 0.1 0.0 0.0 0.0 1.4

Blue Rock Reservoir 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
32.8 32.8 29.5 24.6 19.3 16.0 15.4 16.9 20.4 23.7 27.2 30.1 26.3
Low Max
19.6 20.0 18.0 15.5 13.0 11.0 10.5 11.1 12.5 14.0 15.7 17.6 12.8
High Min
16.0 16.1 14.8 12.5 10.5 9.0 7.6 7.8 9.0 10.6 13.0 14.4 13.0
Low Min
10.1 10.3 8.7 6.7 4.7 2.3 1.9 2.1 3.5 5.0 7.0 8.5 4.4

Blue Rock Reservoir Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
21 20 19 21 22 21 22 22 22 22 21 21 21.0
Earliest Entry
1987 1987 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013
Years of Maxima
21 20 19 21 22 20 22 22 22 22 21 21 21.2
Earliest Entry
1987 1987 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013
Years of Rainfall
26 26 26 25 25 25 25 25 25 25 25 24 25.1
Earliest Entry
1986 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986 1986
Latest Entry
2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013 2013

Station Details

WILLOW GROVE (BLUE ROCK RESERVOIR)
W & S Gippsland, Victoria
38.0808°S 146.2139°E 161m AMSL
Commenced 1986

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