Mount Barker Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	26.1	26.0	24.0	21.2	17.7	15.2	14.3	15.0	16.8	18.6	21.8	24.2	20.0
Mean Min (°C)	12.8	13.1	12.4	10.7	8.7	7.1	6.1	6.1	7.0	8.0	9.9	11.5	9.4
Mean Rain (mm)	24.0	24.1	36.7	55.8	85.5	92.1	107.1	90.5	77.6	66.0	44.1	30.1	730.5
Median Rain (mm)	16.2	14.4	25.7	46.7	77.4	86.6	100.5	84.6	72.4	62.1	34.8	23.8	720.0
Mean Rain Days	7.4	7.0	9.6	12.1	16.0	18.3	20.4	19.6	17.3	15.3	10.8	8.6	158.5

Mount Barker Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	43.9	43.6	40.6	37.2	32.2	24.3	22.2	25.0	29.3	35.6	39.4	42.9	43.9
Low Max (°C)	13.9	13.3	12.5	10.0	7.8	6.7	7.0	5.6	8.3	7.8	7.7	12.2	5.6
High Min (°C)	26.7	23.3	24.8	21.7	18.2	15.0	12.8	16.5	18.4	18.4	27.4	21.7	27.4
Low Min (°C)	1.7	4.0	3.6	2.2	0.6	-7.5	-2.2	-1.3	-2.0	0.1	1.1	1.1	-7.5
High Rain (mm)	132.0	72.1	57.4	139.2	94.6	68.1	72.4	54.2	104.8	79.2	63.8	50.8	139.2

Mount Barker Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	29.0	30.2	27.3	24.3	21.1	17.2	16.4	18.2	20.1	22.6	24.6	29.2	21.6
Low Mn. Max (°C)	22.4	21.9	19.0	17.9	14.6	12.7	12.6	13.1	13.8	15.7	17.5	19.5	18.5
High Mn. Min (°C)	16.3	15.6	14.9	13.5	11.6	9.0	7.8	8.5	8.7	9.9	15.6	15.5	10.7
Low Mn. Min (°C)	10.1	9.7	10.0	7.9	6.2	4.4	4.2	4.0	5.4	6.1	7.9	8.2	7.7
High Rain (mm)	179.3	178.5	128.6	233.9	242.8	209.3	260.9	173.3	148.4	160.0	154.8	109.8	1094.6
Low Rain (mm)	0.8	1.3	2.0	2.8	20.8	24.8	35.0	29.8	18.4	16.3	3.3	2.0	400.6

Mount Barker Annual Temperatures & Rainfall

Mount Barker Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	0.3	0.2	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.0	0.1	0.7
≥ 35°C	2.4	2.4	1.3	0.1	0.0	0.0	0.0	0.0	0.0	0.0	0.4	1.2	7.7
≥ 30°C	7.2	6.4	4.7	1.1	0.0	0.0	0.0	0.0	0.0	0.4	2.2	4.5	26.5
≤ 2°C	0.0	0.0	0.0	0.0	0.2	0.7	1.7	1.3	0.6	0.2	0.0	0.0	4.8
≤ 0°C	0.0	0.0	0.0	0.0	0.0	0.1	0.4	0.1	0.0	0.0	0.0	0.0	0.6

Mount Barker 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	32.5	32.8	30.3	26.4	21.2	17.8	16.7	17.8	20.3	23.3	27.2	30.0	26.8
Low Max	20.2	20.0	18.4	16.4	14.4	12.5	11.7	11.9	13.3	14.4	16.7	18.6	14.0
High Min	15.6	16.1	15.6	13.9	11.8	10.0	8.7	8.8	9.7	10.9	12.8	14.2	13.6
Low Min	9.9	10.0	9.4	7.5	5.6	4.4	3.3	3.4	4.2	5.0	6.7	8.4	5.4

Mount Barker Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	87	88	88	88	88	88	87	88	88	88	87	88	87.0
Earliest Entry	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907
Latest Entry	2023	2023	2023	2023	2023	2023	2023	2023	2023	2022	2022	2022	2023
Years of Maxima	88	88	86	87	88	88	87	88	87	87	85	88	87.0
Earliest Entry	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907
Latest Entry	2023	2023	2023	2023	2023	2023	2023	2023	2023	2022	2022	2022	2023
Years of Rainfall	111	114	108	105	105	97	94	95	97	104	110	108	109.0
Earliest Entry	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907	1907
Latest Entry	2023	2023	2023	2023	2023	2023	2023	2023	2023	2022	2022	2022	2023

Station Details

MOUNT BARKER
Southern Coastal, Western Australia

34.6250°S 117.6361°E 300m AMSL
Commenced 1886

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13:20 AEST A weeklong stretch of low wind power was broken on Wednesday evening, as a weak cold front marched across southern Australia. The chart below shows that the National Electricity Market (NEM) has endured a weeklong stretch of low wind generation, with wind power providing around 6% of the NEM’s electricity, down from last year’s average of 13.1% (Mon, April 15 to Wed, April 17).