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Sth Channel Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
19.8 22.6 20.3 18.0 15.9 13.6 12.8 13.1 15.1 15.9 17.8 19.2 17.5
Mean Min (°C)
15.5 16.6 15.2 13.7 12.0 9.9 9.1 8.8 10.3 11.0 12.7 14.0 12.8
Mean Rain (mm)
29.0 14.4 28.2 22.0 33.8 35.3 36.3 37.5 35.9 46.5 27.5 35.8 381.3
Median Rain (mm)
25.4 10.8 21.1 17.6 26.6 32.3 39.8 38.4 32.9 34.0 20.2 23.1 381.2
Mean Rain Days
6.1 3.9 6.8 7.5 9.9 11.3 12.0 13.5 12.2 10.6 8.4 7.4 93.7

Sth Channel Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
33.0 33.0 30.0 24.0 22.0 17.0 16.0 16.0 22.0 22.0 29.0 35.0 35.0
Low Max (°C)
15.0 16.0 15.0 14.0 11.0 11.0 10.0 10.7 11.0 11.0 12.0 14.0 10.0
High Min (°C)
21.0 23.0 21.0 19.0 17.0 15.0 13.0 12.5 15.0 17.0 17.0 21.0 23.0
Low Min (°C)
10.0 11.0 8.0 8.0 8.0 5.0 5.0 5.0 7.0 6.0 7.0 8.0 5.0
High Rain (mm)
43.4 25.0 34.0 23.0 26.0 17.6 28.6 22.2 36.2 37.8 35.2 46.0 46.0

Sth Channel Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
23.4 24.1 21.3 18.8 16.4 14.2 13.1 13.3 15.7 17.0 19.1 20.2 17.3
Low Mn. Max (°C)
16.0 20.8 19.7 16.7 15.3 12.8 12.5 12.9 14.5 15.3 16.4 17.2 17.2
High Mn. Min (°C)
16.9 17.8 15.9 14.3 12.2 9.9 9.9 9.0 10.7 10.8 14.4 14.5 12.6
Low Mn. Min (°C)
14.4 15.1 14.9 13.0 11.5 9.9 8.6 8.5 9.8 10.3 11.6 12.7 12.6
High Rain (mm)
62.8 37.0 76.4 45.8 69.4 75.2 59.4 59.6 117.2 84.2 62.4 89.4 480.6
Low Rain (mm)
0.0 0.2 0.8 1.4 0.0 4.0 4.6 13.0 2.2 11.6 5.8 6.6 169.8

Sth Channel Island Annual Temperatures & Rainfall

SOUTH CHANNEL ISLAND

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

Sth Channel Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40°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
≥ 35°C
0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.3 0.2
≥ 30°C
1.5 2.8 0.3 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 1.8 5.0
≤ 2°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
≤ 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

Sth Channel Island 'per Week' Values (14th/86th Percentiles)

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
25.0 28.0 24.0 21.0 18.0 15.0 14.0 15.0 18.0 19.0 22.0 24.0 22.0
Low Max
16.0 18.0 17.0 15.0 14.0 12.0 12.0 12.0 13.0 13.0 14.0 15.0 13.0
High Min
18.0 19.0 18.0 16.0 14.0 11.0 11.0 10.0 12.0 13.0 15.0 16.7 16.0
Low Min
13.0 14.0 13.0 12.0 10.0 8.0 7.8 7.0 9.0 8.0 11.0 11.3 9.0

Sth Channel Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
3 4 4 4 3 2 3 2 2 3 3 4 3.0
Earliest Entry
2000 1999 1999 1999 1999 2000 2000 2000 2000 1999 1999 1998 1998
Latest Entry
2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001 2002
Years of Maxima
4 4 4 4 3 3 3 2 2 3 3 4 3.1
Earliest Entry
1999 1999 1999 1999 1999 2000 2000 2000 2000 1999 1999 1998 1998
Latest Entry
2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001 2002
Years of Rainfall
20 19 19 20 19 18 20 20 19 19 20 19 19.2
Earliest Entry
1977 1977 1977 1977 1976 1976 1976 1976 1976 1976 1976 1976 1976
Latest Entry
2002 2002 2002 2002 2002 2002 2002 2001 2001 2001 2001 2001 2002

Station Details

SOUTH CHANNEL ISLAND
Central, Victoria
38.3065°S 144.8016°E 9m AMSL
Commenced 1975

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Early warning trial for flash flooding at Wallsend

ABC image 17:27 EST Wallsend businesses have welcomed the introduction of a Flash Flood Early Warning system, but say it will not protect their properties from water inundation.

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