Cockatoo Island Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	31.9	31.5	32.3	33.3	31.6	29.7	28.9	29.1	30.1	31.0	31.9	32.6	31.1
Mean Min (°C)	26.5	26.2	26.7	27.0	25.2	23.0	22.0	22.4	23.9	25.5	26.8	27.4	25.2
Mean Rain (mm)	278.5	256.1	167.8	40.0	62.3	12.1	10.0	1.9	1.0	3.4	6.5	69.8	889.1
Median Rain (mm)	199.6	205.0	110.0	16.8	20.3	0.0	0.0	0.0	0.0	0.0	1.5	30.0	768.8
Mean Rain Days	11.8	12.0	8.3	3.2	2.7	0.9	0.6	0.2	0.2	0.7	1.3	4.7	39.3

Cockatoo Island Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	39.0	37.8	37.0	38.5	36.8	34.3	33.8	34.9	37.2	39.6	37.6	38.5	39.6
Low Max (°C)	27.2	27.4	27.3	28.4	22.3	24.2	22.9	24.6	23.5	26.7	28.0	27.2	22.3
High Min (°C)	30.1	29.6	29.5	29.7	29.2	27.2	26.5	26.3	26.9	28.3	29.0	30.5	30.5
Low Min (°C)	21.1	19.6	21.5	20.7	18.3	17.2	17.1	17.9	18.2	22.3	21.0	22.7	17.1
High Rain (mm)	193.6	180.6	265.7	108.2	284.5	56.6	61.4	22.1	22.8	27.7	37.8	171.5	284.5

Cockatoo Island Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	32.7	32.8	33.8	35.0	33.0	31.8	30.3	30.5	31.1	32.2	34.0	33.1	31.9
Low Mn. Max (°C)	29.7	30.2	30.4	31.7	29.0	28.3	27.0	27.6	28.9	29.8	30.6	31.4	30.4
High Mn. Min (°C)	27.9	27.4	28.0	28.0	25.9	24.4	23.9	24.4	24.9	26.5	27.7	28.2	26.0
Low Mn. Min (°C)	25.3	25.3	25.7	25.7	24.2	21.5	20.5	21.4	22.9	24.7	25.9	26.6	24.3
High Rain (mm)	790.3	564.6	613.2	145.0	325.1	109.0	67.2	58.7	23.6	33.6	47.0	284.1	1603.1
Low Rain (mm)	27.5	2.0	2.8	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	231.8

Cockatoo Island Annual Temperatures & Rainfall

Cockatoo 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	1.3	0.8	2.1	4.8	1.1	0.0	0.0	0.0	0.5	0.9	1.4	2.2	14.9
≥ 30°C	25.0	20.6	24.5	24.7	21.9	11.6	8.2	8.5	13.7	20.1	23.6	26.8	223.7
≤ 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

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

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	33.8	33.1	34.2	35.2	33.7	31.6	30.7	31.0	32.0	32.8	33.5	34.4	33.5
Low Max	30.1	29.8	30.2	31.6	29.4	27.6	27.0	27.1	28.3	29.1	29.9	31.0	28.8
High Min	28.5	28.1	28.4	28.3	26.9	24.9	23.7	23.9	25.1	26.6	27.8	28.6	27.9
Low Min	24.0	23.9	24.6	25.4	23.4	21.1	20.1	21.0	22.6	24.3	26.0	25.8	22.4

Cockatoo Island Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	16	15	16	15	16	16	15	15	15	15	16	15	15.3
Earliest Entry	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965
Latest Entry	1982	1982	1982	1982	1982	1982	1981	1981	1981	1981	1981	1981	1982
Years of Maxima	16	16	16	15	16	16	15	15	15	15	16	15	15.5
Earliest Entry	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965	1965
Latest Entry	1982	1982	1982	1982	1982	1982	1981	1981	1981	1981	1981	1981	1982
Years of Rainfall	31	30	30	32	32	30	31	33	33	33	31	29	31.3
Earliest Entry	1948	1948	1948	1948	1948	1948	1948	1948	1948	1948	1948	1948	1948
Latest Entry	1984	1984	1984	1984	2014	1982	2014	1982	1982	1982	1982	1982	2014

climate

Station Details

COCKATOO ISLAND
Kimberley, Western Australia

16.0992°S 123.6161°E 91m AMSL
Commenced 1948 / Closed 2014

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