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Deal Island Climate

Deal Island Long-term Averages

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Mean Max (°C)
20.2 20.5 19.5 17.6 15.6 13.5 12.7 12.8 13.7 15.4 16.8 18.3 16.4
Mean Min (°C)
14.1 14.5 14.2 12.8 11.5 9.7 8.6 8.2 8.9 9.8 11.2 12.6 11.4
Mean Rain (mm)
40.8 38.2 51.8 60.4 74.8 77.1 80.2 74.0 59.2 59.3 50.5 48.9 714.6
Median Rain (mm)
33.3 27.8 41.5 56.5 69.0 64.8 74.2 65.9 57.5 50.4 45.8 42.0 694.6
Mean Rain Days
8.2 7.5 9.9 12.5 15.2 16.1 17.0 16.6 14.5 13.3 11.6 10.0 149.3

Deal Island Daily Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max (°C)
35.8 32.8 31.3 25.5 23.2 18.2 17.2 20.4 24.9 26.0 33.6 30.2 35.8
Low Max (°C)
14.3 15.5 13.0 12.5 10.2 9.2 8.4 9.2 9.8 9.7 10.8 13.1 8.4
High Min (°C)
23.3 21.0 20.0 18.4 17.5 14.6 13.3 12.3 15.6 15.1 18.0 19.2 23.3
Low Min (°C)
4.9 8.0 3.8 3.3 0.4 -0.5 -0.5 -5.5 -0.2 5.0 -4.0 2.5 -5.5
High Rain (mm)
105.4 114.4 99.6 76.2 116.0 79.0 60.2 122.8 51.6 120.4 55.9 64.8 122.8

Deal Island Monthly Records

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Mn. Max (°C)
22.3 22.5 20.5 18.7 16.6 14.8 13.7 13.8 14.9 16.1 18.2 19.9 17.2
Low Mn. Max (°C)
18.4 19.4 17.5 15.7 14.8 12.5 11.6 12.1 12.2 14.6 15.9 16.6 15.6
High Mn. Min (°C)
15.7 16.2 15.7 14.7 13.4 11.3 9.4 9.4 10.4 10.4 12.1 13.9 12.5
Low Mn. Min (°C)
12.4 12.9 12.7 10.5 10.1 8.4 8.0 7.1 7.5 9.1 9.4 10.5 10.3
High Rain (mm)
162.1 236.4 186.0 165.1 207.0 247.0 246.3 249.2 166.8 165.7 138.1 161.6 1258.2
Low Rain (mm)
0.0 0.0 0.0 1.8 13.9 8.0 12.4 11.7 12.4 2.5 6.3 0.8 339.8

Deal Island Annual Temperatures & Rainfall

DEAL ISLAND

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

Deal Island Average Number of Days With Temperatures

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
≥ 40.0°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
≥ 35.0°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
≥ 30.0°C
0.6 0.3 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.1 0.1 1.1
≤ 2.0°C
0.0 0.0 0.0 0.0 0.1 0.3 0.1 0.2 0.2 0.0 0.1 0.0 0.9
≤ 0.0°C
0.0 0.0 0.0 0.0 0.0 0.1 0.1 0.1 0.1 0.0 0.1 0.0 0.4

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

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
High Max
23.5 23.8 22.0 20.2 17.5 15.1 14.4 14.5 15.7 18.1 19.5 21.0 20.2
Low Max
17.3 17.7 16.7 15.1 13.8 11.9 11.1 11.2 11.8 13.1 14.3 15.8 12.6
High Min
16.4 16.9 16.7 15.3 13.5 11.7 10.5 10.1 11.0 11.7 13.5 14.8 14.9
Low Min
12.0 12.3 11.9 10.3 9.5 7.6 6.5 6.4 6.9 7.8 9.3 10.4 8.2

Deal Island Data Availability

  Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ann
Years of Minima
14 15 15 14 14 14 12 13 13 13 14 14 13.8
Earliest Entry
1985 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984
Latest Entry
1998 1998 1998 1998 1998 1998 1997 1997 1997 1997 1997 1997 1998
Years of Maxima
14 15 15 15 15 15 14 14 14 14 14 14 14.4
Earliest Entry
1985 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984 1984
Latest Entry
1998 1998 1998 1998 1998 1998 1997 1997 1997 1997 1997 1997 1998
Years of Rainfall
122 121 121 121 121 120 118 120 121 121 119 119 120.3
Earliest Entry
1881 1881 1881 1881 1881 1881 1881 1881 1881 1881 1881 1881 1881
Latest Entry
2017 2017 2017 2017 2017 2016 2016 2016 2016 2016 2016 2016 2017

Station Details

DEAL ISLAND
Furneaux Islands, Tasmania
39.4764°S 147.3153°E 85m AMSL
Commenced 1871
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