Extreme rain in Australia, 2 to 4 August 2023

Name: Extreme rain in Australia, 2 to 4 August 2023
Start: 2023-08-02
End: 2023-08-04
Location: Australia

Extreme rain in Australia, 2 to 4 August 2023: 142 records at 139 stations, peak on 3 August 2023. Closed.

Data as of 2026-10-12. Last revised 12 October 2026 (2026-10-12).

Key Facts

Extreme rain in Australia, 2 to 4 August 2023 set or tied 142 station records at 139 stations.
It ran from 2 August 2023 to 4 August 2023 (3 days) and its peak day was 3 August 2023.
Status: closed.
Dalyup Park set a daily record precipitation of 42.8 mm (1.7 in) on 3 August 2023.
The busiest day was 3 August 2023 with 131 records.
The oldest broken record in the ranked list had stood for 113 years.

Footprint

2 to 4 August 2023

The area covered by Extreme rain in Australia, 2 to 4 August 2023 is outlined, with 20 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Australia, 2 to 4 August 2023: stations that set records in the event
Station	Type	Value	Date
Dalyup Park	Record daily precipitation	42.8 mm (1.7 in)	2023-08-03
Deeside	Record daily precipitation	52.8 mm (2.1 in)	2023-08-03
Kirup	Record daily precipitation	62.9 mm (2.5 in)	2023-08-03
Gnowangerup	Record daily precipitation	34.0 mm (1.3 in)	2023-08-02
Myrup	Record daily precipitation	34.6 mm (1.4 in)	2023-08-03
Muja Power Station	Record daily precipitation	54.4 mm (2.1 in)	2023-08-02
Innadong	Record daily precipitation	82.0 mm (3.2 in)	2023-08-03
Gairdner	Record daily precipitation	41.8 mm (1.6 in)	2023-08-03
Esperance Aero	Record daily precipitation	40.4 mm (1.6 in)	2023-08-03
Bangalup	Record daily precipitation	47.4 mm (1.9 in)	2023-08-03
Aston Downs	Record daily precipitation	58.4 mm (2.3 in)	2023-08-02
Marriwood	Record daily precipitation	62.6 mm (2.5 in)	2023-08-03
Newdegate Research Station	Record daily precipitation	28.8 mm (1.1 in)	2023-08-03
Ninghan Station	Record daily precipitation	13.2 mm (0.5 in)	2023-08-03
Pullagaroo	Record daily precipitation	14.8 mm (0.6 in)	2023-08-03
Paynes Find	Record daily precipitation	20.0 mm (0.8 in)	2023-08-03
South Holmwood	Record daily precipitation	19.5 mm (0.8 in)	2023-08-03
Manarra	Record daily precipitation	21.0 mm (0.8 in)	2023-08-03
Eradu	Record daily precipitation	18.4 mm (0.7 in)	2023-08-03
Coolangatta	Record daily precipitation	23.0 mm (0.9 in)	2023-08-03

Records per Day

Peak day 131

Records set or tied each day from 2 August 2023 to 4 August 2023. The most in one day was 131 on 3 August 2023.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 2 to 4 August 2023 ranked by margin
Aston Downs, 08-02	32.2 mm (1.3 in)
Innadong, 08-03	32.0 mm (1.3 in)
Muja Power Station, 08-02	27.7 mm (1.1 in)
Kirup, 08-03	25.1 mm (1.0 in)
Esperance Aero, 08-03	23.2 mm (0.9 in)
Marriwood, 08-03	23.2 mm (0.9 in)
Gairdner, 08-03	21.8 mm (0.9 in)
Gnowangerup, 08-02	21.0 mm (0.8 in)
Dalyup Park, 08-03	20.7 mm (0.8 in)
Paynes Find, 08-03	15.6 mm (0.6 in)
Coolangatta, 08-03	13.6 mm (0.5 in)
Myrup, 08-03	12.8 mm (0.5 in)
Newdegate Research Station, 08-03	12.3 mm (0.5 in)
South Holmwood, 08-03	10.4 mm (0.4 in)
Deeside, 08-03	8.3 mm (0.33 in)

Margin is how far the new value is beyond the record it replaced. Ties are not shown.

Margin Against Age of the Broken Record

142 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.

Margin against age of the broken record in Extreme rain in Australia, 2 to 4 August 2023
Margin (mm)	Years the old record stood
21	108
8	105
25	92
13	108
21	32
14	84
32	5
28	58
22	38
10	90
23	22
6	101
7	92
5	81
23	58
32	32
5	104
12	58
16	32
6	113
21	58
12	58
6	92
4	105
20	33
7	84
10	58
22	37
18	58
10	58
4	60
17	20
11	58
9	58
6	88
2	104
17	22
24	32
19	4
7	73
2	92
3	84
2	90
17	48
8	45
10	38
7	50
8	49
13	4
13	20
8	32
9	38
7	58
8	58
8	28
12	20
10	20
7	60
5	58
7	58
6	38
11	20
14	20
7	38
14	20
8	20
9	20
9	2
9	20
8	38
8	38
6	58
5	38
8	20
11	38
12	22
0	48
7	38
10	38
6	37
16	20
9	30
5	41
4	38
2	58
8	20
2	44
5	32
3	58
3	2
5	38
8	30
1	49
4	32
5	37
7	32
6	40
6	32
6	20
6	38
7	20
4	11
11	20
6	11
5	20
5	30
2	38
8	20
5	38
2	30
1	21
5	20
4	20
9	30
3	32
4	38
4	30
3	5
11	20
6	22
1	32
3	20
2	20
2	20
2	20
8	20
7	20
0	30
4	20
10	4
10	0
1	20
5	0
5	21
6	2
1	30
0	12
3	0
2	17
2	1
1	2
0	20

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 2 to 4 August 2023 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 2019	2,223 records
Extreme rain in United States, 3 to 19 January 2024	2,133 records
Extreme rain in Australia, 7 to 26 March 2021	2,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 2018	1,970 records
Extreme rain in United States, 19 December 2022 to 13 January 2023	1,941 records
Extreme rain in Australia, 2 to 4 August 2023 (this event)	142 records

Every Record Set

20 of 142

Every record set or tied during Extreme rain in Australia, 2 to 4 August 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-08-02	Gnowangerup	Record daily precipitation	34.0 mm (1.3 in)	21.0 mm (0.8 in)	32	59 of 100 (Notable)
2023-08-02	Muja Power Station	Record daily precipitation	54.4 mm (2.1 in)	27.7 mm (1.1 in)	58	57 of 100 (Notable)
2023-08-02	Aston Downs	Record daily precipitation	58.4 mm (2.3 in)	32.2 mm (1.3 in)	32	50 of 100 (Notable)
2023-08-03	Dalyup Park	Record daily precipitation	42.8 mm (1.7 in)	20.7 mm (0.8 in)	108	71 of 100 (Major)
2023-08-03	Deeside	Record daily precipitation	52.8 mm (2.1 in)	8.3 mm (0.33 in)	105	62 of 100 (Major)
2023-08-03	Kirup	Record daily precipitation	62.9 mm (2.5 in)	25.1 mm (1.0 in)	92	61 of 100 (Major)
2023-08-03	Myrup	Record daily precipitation	34.6 mm (1.4 in)	12.8 mm (0.5 in)	108	59 of 100 (Notable)
2023-08-03	Innadong	Record daily precipitation	82.0 mm (3.2 in)	32.0 mm (1.3 in)	5	57 of 100 (Notable)
2023-08-03	Gairdner	Record daily precipitation	41.8 mm (1.6 in)	21.8 mm (0.9 in)	38	57 of 100 (Notable)
2023-08-03	Esperance Aero	Record daily precipitation	40.4 mm (1.6 in)	23.2 mm (0.9 in)	22	53 of 100 (Notable)
2023-08-03	Bangalup	Record daily precipitation	47.4 mm (1.9 in)	4.5 mm (0.18 in)	81	51 of 100 (Notable)
2023-08-03	Marriwood	Record daily precipitation	62.6 mm (2.5 in)	23.2 mm (0.9 in)	58	50 of 100 (Notable)
2023-08-03	Newdegate Research Station	Record daily precipitation	28.8 mm (1.1 in)	12.3 mm (0.5 in)	58	49 of 100 (Notable)
2023-08-03	Ninghan Station	Record daily precipitation	13.2 mm (0.5 in)	6.3 mm (0.25 in)	101	20 of 100 (Routine)
2023-08-03	Pullagaroo	Record daily precipitation	14.8 mm (0.6 in)	7.2 mm (0.28 in)	92	20 of 100 (Routine)
2023-08-03	Paynes Find	Record daily precipitation	20.0 mm (0.8 in)	15.6 mm (0.6 in)	32	20 of 100 (Routine)
2023-08-03	South Holmwood	Record daily precipitation	19.5 mm (0.8 in)	10.4 mm (0.4 in)	90	20 of 100 (Routine)
2023-08-03	Manarra	Record daily precipitation	21.0 mm (0.8 in)	5.5 mm (0.22 in)	113	20 of 100 (Routine)
2023-08-03	Eradu	Record daily precipitation	18.4 mm (0.7 in)	5.4 mm (0.21 in)	104	20 of 100 (Routine)
2023-08-03	Coolangatta	Record daily precipitation	23.0 mm (0.9 in)	13.6 mm (0.5 in)	84	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 142 records the event counts. The counts above use the full total.

Related Headlines

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Download the Data

Source: NOAA National Centers for Environmental Information, Global Historical Climatology Network Daily (GHCN-Daily). Records are computed by World Extreme Weather Monitor and are not official NOAA products. (US Government open data (NOAA NCEI)) Data as of 2026-10-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.

Margin (mm)	Years the old record stood
21	108
8	105
25	92
13	108
21	32
14	84
32	5
28	58
22	38
10	90
23	22
6	101
7	92
5	81
23	58
32	32
5	104
12	58
16	32
6	113
21	58
12	58
6	92
4	105
20	33
7	84
10	58
22	37
18	58
10	58
4	60
17	20
11	58
9	58
6	88
2	104
17	22
24	32
19	4
7	73
2	92
3	84
2	90
17	48
8	45
10	38
7	50
8	49
13	4
13	20
8	32
9	38
7	58
8	58
8	28
12	20
10	20
7	60
5	58
7	58
6	38
11	20
14	20
7	38
14	20
8	20
9	20
9	2
9	20
8	38
8	38
6	58
5	38
8	20
11	38
12	22
0	48
7	38
10	38
6	37
16	20
9	30
5	41
4	38
2	58
8	20
2	44
5	32
3	58
3	2
5	38
8	30
1	49
4	32
5	37
7	32
6	40
6	32
6	20
6	38
7	20
4	11
11	20
6	11
5	20
5	30
2	38
8	20
5	38
2	30
1	21
5	20
4	20
9	30
3	32
4	38
4	30
3	5
11	20
6	22
1	32
3	20
2	20
2	20
2	20
8	20
7	20
0	30
4	20
10	4
10	0
1	20
5	0
5	21
6	2
1	30
0	12
3	0
2	17
2	1
1	2
0	20

Margin (mm)	Years the old record stood
21	108
8	105
25	92
13	108
21	32
14	84
32	5
28	58
22	38
10	90
23	22
6	101
7	92
5	81
23	58
32	32
5	104
12	58
16	32
6	113
21	58
12	58
6	92
4	105
20	33
7	84
10	58
22	37
18	58
10	58
4	60
17	20
11	58
9	58
6	88
2	104
17	22
24	32
19	4
7	73
2	92
3	84
2	90
17	48
8	45
10	38
7	50
8	49
13	4
13	20
8	32
9	38
7	58
8	58
8	28
12	20
10	20
7	60
5	58
7	58
6	38
11	20
14	20
7	38
14	20
8	20
9	20
9	2
9	20
8	38
8	38
6	58
5	38
8	20
11	38
12	22
0	48
7	38
10	38
6	37
16	20
9	30
5	41
4	38
2	58
8	20
2	44
5	32
3	58
3	2
5	38
8	30
1	49
4	32
5	37
7	32
6	40
6	32
6	20
6	38
7	20
4	11
11	20
6	11
5	20
5	30
2	38
8	20
5	38
2	30
1	21
5	20
4	20
9	30
3	32
4	38
4	30
3	5
11	20
6	22
1	32
3	20
2	20
2	20
2	20
8	20
7	20
0	30
4	20
10	4
10	0
1	20
5	0
5	21
6	2
1	30
0	12
3	0
2	17
2	1
1	2
0	20

Margin (mm)	Years the old record stood
21	108
8	105
25	92
13	108
21	32
14	84
32	5
28	58
22	38
10	90
23	22
6	101
7	92
5	81
23	58
32	32
5	104
12	58
16	32
6	113
21	58
12	58
6	92
4	105
20	33
7	84
10	58
22	37
18	58
10	58
4	60
17	20
11	58
9	58
6	88
2	104
17	22
24	32
19	4
7	73
2	92
3	84
2	90
17	48
8	45
10	38
7	50
8	49
13	4
13	20
8	32
9	38
7	58
8	58
8	28
12	20
10	20
7	60
5	58
7	58
6	38
11	20
14	20
7	38
14	20
8	20
9	20
9	2
9	20
8	38
8	38
6	58
5	38
8	20
11	38
12	22
0	48
7	38
10	38
6	37
16	20
9	30
5	41
4	38
2	58
8	20
2	44
5	32
3	58
3	2
5	38
8	30
1	49
4	32
5	37
7	32
6	40
6	32
6	20
6	38
7	20
4	11
11	20
6	11
5	20
5	30
2	38
8	20
5	38
2	30
1	21
5	20
4	20
9	30
3	32
4	38
4	30
3	5
11	20
6	22
1	32
3	20
2	20
2	20
2	20
8	20
7	20
0	30
4	20
10	4
10	0
1	20
5	0
5	21
6	2
1	30
0	12
3	0
2	17
2	1
1	2
0	20