Thomson Brook Long-term Averages

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Mean Max (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean Min (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean Rain (mm)	13.7	11.6	20.5	47.1	99.1	113.1	140.5	131.3	95.4	45.8	31.3	14.7	766.4
Median Rain (mm)	-	-	-	-	-	-	-	-	-	-	-	-	-
Mean Rain Days	3.2	3.0	5.2	9.8	13.5	17.4	21.0	19.8	17.4	12.1	7.6	4.6	134.4

Thomson Brook Daily Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Max (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
High Min (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Min (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
High Rain (mm)	51.6	48.4	26.8	66.2	66.0	54.2	105.8	76.0	44.6	38.4	30.2	23.8	105.8

Thomson Brook Monthly Records

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Mn. Max (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Mn. Max (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
High Mn. Min (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Mn. Min (°C)	-	-	-	-	-	-	-	-	-	-	-	-	-
High Rain (mm)	113.6	68.8	67.0	109.3	222.4	223.8	241.2	205.8	245.0	126.4	84.6	62.2	1023.0
Low Rain (mm)	0.0	0.0	0.0	0.4	14.8	20.2	57.6	23.2	7.4	15.6	1.4	0.0	390.4

Thomson Brook Annual Temperatures & Rainfall

Thomson Brook Average Number of Days With Temperatures

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
≥ 40°C	-	-	-	-	-	-	-	-	-	-	-	-	-
≥ 35°C	-	-	-	-	-	-	-	-	-	-	-	-	-
≥ 30°C	-	-	-	-	-	-	-	-	-	-	-	-	-
≤ 2°C	-	-	-	-	-	-	-	-	-	-	-	-	-
≤ 0°C	-	-	-	-	-	-	-	-	-	-	-	-	-

Thomson Brook 'per Week' Values (14th/86th Percentiles)

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
High Max	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Max	-	-	-	-	-	-	-	-	-	-	-	-	-
High Min	-	-	-	-	-	-	-	-	-	-	-	-	-
Low Min	-	-	-	-	-	-	-	-	-	-	-	-	-

Thomson Brook Data Availability

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Ann
Years of Minima	-	-	-	-	-	-	-	-	-	-	-	-	-
Earliest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-
Latest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-
Years of Maxima	-	-	-	-	-	-	-	-	-	-	-	-	-
Earliest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-
Latest Entry	-	-	-	-	-	-	-	-	-	-	-	-	-
Years of Rainfall	21	21	21	20	20	20	21	21	21	21	21	20	20.0
Earliest Entry	2004	2004	2004	2004	2004	2003	2003	2003	2003	2003	2003	2003	2003
Latest Entry	2024	2024	2024	2024	2023	2023	2023	2023	2023	2023	2023	2023	2024

Station Details

THOMSON BROOK
Southwest, Western Australia

33.6458°S 115.9553°E 260m AMSL
Commenced 2003

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Weather News

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A quick look at our water storages

12:14 AEST Given the largely clear skies across the country today, it’s a good opportunity to take a look at the water storages of Australia’s major cities. While rainfall is obviously a major contributor to the level of major dams, it is not the only factor.