North Walpole Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	24.5	24.9	23.9	21.4	19.1	17.0	16.1	16.6	17.6	19.0	20.8	22.7	20.3
Mean Min (°C)	14.4	15.1	14.6	12.8	11.2	9.9	9.0	9.0	9.3	10.4	11.6	12.9	11.7
Mean Rain (mm)	26.1	22.7	39.0	90.2	117.1	160.5	181.9	164.4	112.4	75.5	56.4	37.4	1066.6
Median Rain (mm)	10.2	14.9	28.4	64.1	104.5	135.5	167.7	160.4	77.5	64.4	54.2	19.0	1013.9
Mean Rain Days	8.6	8.2	11.9	15.5	18.4	19.8	22.4	22.5	18.9	16.4	13.6	11.2	182.3

North Walpole Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	39.3	39.9	40.7	34.0	28.3	23.6	21.8	24.4	28.6	31.6	36.9	37.3	40.7
Low Max (°C)	16.8	16.9	13.6	12.5	12.5	11.1	11.2	10.3	11.5	12.3	13.7	15.9	10.3
High Min (°C)	22.3	22.8	21.8	19.7	18.5	15.4	15.2	15.3	17.4	17.4	21.7	19.6	22.8
Low Min (°C)	7.8	8.3	6.4	6.2	4.9	3.3	3.5	2.6	2.9	2.9	4.7	6.2	2.6
High Rain (mm)	38.2	41.6	45.8	253.8	44.6	93.2	44.0	44.2	38.2	34.6	45.2	40.8	253.8

North Walpole Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	26.5	26.7	25.6	23.6	20.7	18.1	16.8	18.2	19.1	21.0	23.2	26.1	21.1
Low Mn. Max (°C)	22.3	22.9	21.8	18.9	17.8	15.1	15.2	15.0	15.5	16.9	18.8	20.6	19.5
High Mn. Min (°C)	16.0	16.7	15.8	14.4	13.6	10.8	9.8	10.6	10.3	12.0	13.2	14.2	12.4
Low Mn. Min (°C)	12.8	13.5	13.3	11.5	10.2	8.5	7.8	7.8	8.0	9.2	10.3	11.4	11.2
High Rain (mm)	107.6	79.2	90.8	216.6	243.6	286.6	278.2	257.6	253.4	133.8	151.2	81.2	1372.8
Low Rain (mm)	6.4	5.0	4.4	9.2	55.0	60.4	99.8	83.2	55.8	27.0	21.8	4.0	664.0

North Walpole Annual Temperatures & Rainfall

North Walpole Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	Oct	Nov	Dec	Ann
≥ 40°C	0.0	0.0	0.1	0.0	0.0	0.0	0.0	0.1
≥ 35°C	0.9	0.6	0.4	0.0	0.0	0.1	0.2	2.0
≥ 30°C	2.8	3.1	2.5	0.6	0.1	0.7	1.6	10.8
≤ 2°C	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

North Walpole 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	25.9	29.0	28.8	24.6	22.4	19.1	18.0	19.0	19.8	21.5	24.1	25.1	24.3
Low Max	20.5	21.1	19.7	17.7	16.0	14.3	13.8	14.0	14.3	15.4	16.8	18.9	15.5
High Min	16.8	17.4	17.1	14.7	14.1	11.9	11.1	11.3	11.2	12.5	14.1	14.8	15.0
Low Min	11.5	12.3	11.3	9.4	8.8	7.2	6.0	6.5	6.5	7.6	9.1	10.2	7.9

North Walpole Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	20	21	19	20	20	20	20	19	18	20	19	20	20.0
Earliest Entry	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Maxima	20	21	19	20	20	20	20	19	18	20	19	20	20.0
Earliest Entry	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024
Years of Rainfall	21	21	19	19	19	20	19	18	17	19	19	20	20.0
Earliest Entry	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004	2004
Latest Entry	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

NORTH WALPOLE
Southwest, Western Australia

34.9469°S 116.7222°E 73m AMSL
Commenced 2004

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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).