Extreme rain in Australia, 24 to 28 August 2018

Name: Extreme rain in Australia, 24 to 28 August 2018
Start: 2018-08-24
End: 2018-08-28
Location: Australia

Extreme rain in Australia, 24 to 28 August 2018: 145 records at 140 stations, peak on 26 August 2018. Closed.

Data as of 2026-10-17. Last revised 17 October 2026 (2026-10-17).

Key Facts

Extreme rain in Australia, 24 to 28 August 2018 set or tied 145 station records at 140 stations.
It ran from 24 August 2018 to 28 August 2018 (5 days) and its peak day was 26 August 2018.
Status: closed.
Garah (Ulinga) set a daily record precipitation of 53.0 mm (2.1 in) on 26 August 2018.
The busiest day was 26 August 2018 with 109 records.
The oldest broken record in the ranked list had stood for 116 years.

Footprint

24 to 28 August 2018

The area covered by Extreme rain in Australia, 24 to 28 August 2018 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, 24 to 28 August 2018: stations that set records in the event
Station	Type	Value	Date
Garah (Ulinga)	Record daily precipitation	53.0 mm (2.1 in)	2018-08-26
Garah Post Office	Record daily precipitation	56.0 mm (2.2 in)	2018-08-28
Cunnyana	Record daily precipitation	37.0 mm (1.5 in)	2018-08-26
Warkon	Record daily precipitation	42.0 mm (1.7 in)	2018-08-26
Sim Jue Creek	Record daily precipitation	29.0 mm (1.1 in)	2018-08-25
Yamba Pilot Station	Record daily precipitation	72.2 mm (2.8 in)	2018-08-25
Meandarra Post Office	Record daily precipitation	51.2 mm (2.0 in)	2018-08-26
Wee Waa (George St)	Record daily precipitation	33.6 mm (1.3 in)	2018-08-26
Werris Creek Post Office	Record daily precipitation	32.0 mm (1.3 in)	2018-08-27
Cobbora (Ellismayne)	Record daily precipitation	33.0 mm (1.3 in)	2018-08-26
Glenmorgan Post Office	Record daily precipitation	34.0 mm (1.3 in)	2018-08-26
Talwood State School	Record daily precipitation	34.0 mm (1.3 in)	2018-08-26
Bellata (Aberfeldie)	Record daily precipitation	25.2 mm (1.0 in)	2018-08-26
Dillalah	Record daily precipitation	13.0 mm (0.5 in)	2018-08-25
Arcturus Downs	Record daily precipitation	16.0 mm (0.6 in)	2018-08-26
Bauhinia Downs Store	Record daily precipitation	19.0 mm (0.7 in)	2018-08-26
Wondalli	Record daily precipitation	24.4 mm (1.0 in)	2018-08-26
Kenilworth	Record daily precipitation	17.8 mm (0.7 in)	2018-08-26
Graman (Ulupna)	Record daily precipitation	24.0 mm (0.9 in)	2018-08-26
Ulan Water	Record daily precipitation	20.8 mm (0.8 in)	2018-08-26

Records per Day

Peak day 109

Records set or tied each day from 24 August 2018 to 28 August 2018. The most in one day was 109 on 26 August 2018.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 24 to 28 August 2018 ranked by margin
Garah (Ulinga), 08-26	42.3 mm (1.7 in)
Garah Post Office, 08-28	35.4 mm (1.4 in)
Warkon, 08-26	26.8 mm (1.1 in)
Meandarra Post Office, 08-26	25.4 mm (1.0 in)
Cunnyana, 08-26	24.2 mm (1.0 in)
Glenmorgan Post Office, 08-26	22.6 mm (0.9 in)
Yamba Pilot Station, 08-25	21.4 mm (0.8 in)
Sim Jue Creek, 08-25	16.8 mm (0.7 in)
Cobbora (Ellismayne), 08-26	16.0 mm (0.6 in)
Ulan Water, 08-26	10.1 mm (0.4 in)
Werris Creek Post Office, 08-27	9.9 mm (0.39 in)
Kenilworth, 08-26	9.4 mm (0.37 in)
Wee Waa (George St), 08-26	5.7 mm (0.22 in)
Dillalah, 08-25	5.4 mm (0.21 in)
Wondalli, 08-26	4.1 mm (0.16 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

145 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, 24 to 28 August 2018
Margin (mm)	Years the old record stood
42	60
35	55
24	44
27	37
17	80
21	88
25	36
5	115
6	116
9	92
10	80
4	93
16	44
3	91
1	108
23	37
2	93
10	60
1	93
3	91
2	88
1	80
25	16
23	16
14	36
20	48
17	48
13	35
18	44
12	37
7	53
10	44
5	44
7	53
6	44
5	32
13	16
4	60
21	8
13	37
2	60
7	36
13	44
4	44
4	60
14	16
7	36
4	41
14	24
5	37
4	36
8	36
8	35
3	44
7	35
9	44
5	44
8	16
9	16
8	24
5	48
1	53
5	44
8	33
3	44
4	44
2	37
9	36
4	36
10	8
1	53
0	53
11	16
2	44
1	33
3	37
3	36
7	16
10	17
1	44
2	44
0	52
0	44
8	16
17	11
1	44
36	3
2	45
15	0
4	33
4	16
5	16
11	17
1	44
8	24
0	36
15	1
1	44
0	37
2	35
7	16
1	16
10	16
1	36
3	35
7	3
6	16
4	33
3	35
5	16
1	16
5	16
3	8
5	15
0	16
6	17
2	16
7	16
3	16
8	16
3	16
6	9
1	16
1	28
4	8
4	16
2	16
2	8
0	29
5	3
2	17
5	11
2	7
2	8
2	4
1	19
0	16
3	8
3	3
2	8
4	7
2	8
1	1
0	4
2	1

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 24 to 28 August 2018 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, 24 to 28 August 2018 (this event)	145 records

Every Record Set

20 of 145

Every record set or tied during Extreme rain in Australia, 24 to 28 August 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-08-25	Sim Jue Creek	Record daily precipitation	29.0 mm (1.1 in)	16.8 mm (0.7 in)	80	49 of 100 (Notable)
2018-08-25	Yamba Pilot Station	Record daily precipitation	72.2 mm (2.8 in)	21.4 mm (0.8 in)	88	49 of 100 (Notable)
2018-08-25	Dillalah	Record daily precipitation	13.0 mm (0.5 in)	5.4 mm (0.21 in)	115	20 of 100 (Routine)
2018-08-26	Garah (Ulinga)	Record daily precipitation	53.0 mm (2.1 in)	42.3 mm (1.7 in)	60	66 of 100 (Major)
2018-08-26	Cunnyana	Record daily precipitation	37.0 mm (1.5 in)	24.2 mm (1.0 in)	44	52 of 100 (Notable)
2018-08-26	Warkon	Record daily precipitation	42.0 mm (1.7 in)	26.8 mm (1.1 in)	37	51 of 100 (Notable)
2018-08-26	Meandarra Post Office	Record daily precipitation	51.2 mm (2.0 in)	25.4 mm (1.0 in)	36	46 of 100 (Notable)
2018-08-26	Wee Waa (George St)	Record daily precipitation	33.6 mm (1.3 in)	5.7 mm (0.22 in)	116	46 of 100 (Notable)
2018-08-26	Cobbora (Ellismayne)	Record daily precipitation	33.0 mm (1.3 in)	16.0 mm (0.6 in)	44	42 of 100 (Notable)
2018-08-26	Glenmorgan Post Office	Record daily precipitation	34.0 mm (1.3 in)	22.6 mm (0.9 in)	37	40 of 100 (Notable)
2018-08-26	Talwood State School	Record daily precipitation	34.0 mm (1.3 in)	2.2 mm (0.09 in)	93	40 of 100 (Notable)
2018-08-26	Bellata (Aberfeldie)	Record daily precipitation	25.2 mm (1.0 in)	1.1 mm (0.04 in)	93	39 of 100 (Notable)
2018-08-26	Arcturus Downs	Record daily precipitation	16.0 mm (0.6 in)	3.3 mm (0.13 in)	91	20 of 100 (Routine)
2018-08-26	Bauhinia Downs Store	Record daily precipitation	19.0 mm (0.7 in)	1.0 mm (0.04 in)	108	20 of 100 (Routine)
2018-08-26	Wondalli	Record daily precipitation	24.4 mm (1.0 in)	4.1 mm (0.16 in)	93	20 of 100 (Routine)
2018-08-26	Kenilworth	Record daily precipitation	17.8 mm (0.7 in)	9.4 mm (0.37 in)	92	20 of 100 (Routine)
2018-08-26	Graman (Ulupna)	Record daily precipitation	24.0 mm (0.9 in)	3.2 mm (0.13 in)	91	20 of 100 (Routine)
2018-08-26	Ulan Water	Record daily precipitation	20.8 mm (0.8 in)	10.1 mm (0.4 in)	60	20 of 100 (Routine)
2018-08-27	Werris Creek Post Office	Record daily precipitation	32.0 mm (1.3 in)	9.9 mm (0.39 in)	80	45 of 100 (Notable)
2018-08-28	Garah Post Office	Record daily precipitation	56.0 mm (2.2 in)	35.4 mm (1.4 in)	55	62 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 145 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 2026-10-17. 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
42	60
35	55
24	44
27	37
17	80
21	88
25	36
5	115
6	116
9	92
10	80
4	93
16	44
3	91
1	108
23	37
2	93
10	60
1	93
3	91
2	88
1	80
25	16
23	16
14	36
20	48
17	48
13	35
18	44
12	37
7	53
10	44
5	44
7	53
6	44
5	32
13	16
4	60
21	8
13	37
2	60
7	36
13	44
4	44
4	60
14	16
7	36
4	41
14	24
5	37
4	36
8	36
8	35
3	44
7	35
9	44
5	44
8	16
9	16
8	24
5	48
1	53
5	44
8	33
3	44
4	44
2	37
9	36
4	36
10	8
1	53
0	53
11	16
2	44
1	33
3	37
3	36
7	16
10	17
1	44
2	44
0	52
0	44
8	16
17	11
1	44
36	3
2	45
15	0
4	33
4	16
5	16
11	17
1	44
8	24
0	36
15	1
1	44
0	37
2	35
7	16
1	16
10	16
1	36
3	35
7	3
6	16
4	33
3	35
5	16
1	16
5	16
3	8
5	15
0	16
6	17
2	16
7	16
3	16
8	16
3	16
6	9
1	16
1	28
4	8
4	16
2	16
2	8
0	29
5	3
2	17
5	11
2	7
2	8
2	4
1	19
0	16
3	8
3	3
2	8
4	7
2	8
1	1
0	4
2	1

Margin (mm)	Years the old record stood
42	60
35	55
24	44
27	37
17	80
21	88
25	36
5	115
6	116
9	92
10	80
4	93
16	44
3	91
1	108
23	37
2	93
10	60
1	93
3	91
2	88
1	80
25	16
23	16
14	36
20	48
17	48
13	35
18	44
12	37
7	53
10	44
5	44
7	53
6	44
5	32
13	16
4	60
21	8
13	37
2	60
7	36
13	44
4	44
4	60
14	16
7	36
4	41
14	24
5	37
4	36
8	36
8	35
3	44
7	35
9	44
5	44
8	16
9	16
8	24
5	48
1	53
5	44
8	33
3	44
4	44
2	37
9	36
4	36
10	8
1	53
0	53
11	16
2	44
1	33
3	37
3	36
7	16
10	17
1	44
2	44
0	52
0	44
8	16
17	11
1	44
36	3
2	45
15	0
4	33
4	16
5	16
11	17
1	44
8	24
0	36
15	1
1	44
0	37
2	35
7	16
1	16
10	16
1	36
3	35
7	3
6	16
4	33
3	35
5	16
1	16
5	16
3	8
5	15
0	16
6	17
2	16
7	16
3	16
8	16
3	16
6	9
1	16
1	28
4	8
4	16
2	16
2	8
0	29
5	3
2	17
5	11
2	7
2	8
2	4
1	19
0	16
3	8
3	3
2	8
4	7
2	8
1	1
0	4
2	1

Margin (mm)	Years the old record stood
42	60
35	55
24	44
27	37
17	80
21	88
25	36
5	115
6	116
9	92
10	80
4	93
16	44
3	91
1	108
23	37
2	93
10	60
1	93
3	91
2	88
1	80
25	16
23	16
14	36
20	48
17	48
13	35
18	44
12	37
7	53
10	44
5	44
7	53
6	44
5	32
13	16
4	60
21	8
13	37
2	60
7	36
13	44
4	44
4	60
14	16
7	36
4	41
14	24
5	37
4	36
8	36
8	35
3	44
7	35
9	44
5	44
8	16
9	16
8	24
5	48
1	53
5	44
8	33
3	44
4	44
2	37
9	36
4	36
10	8
1	53
0	53
11	16
2	44
1	33
3	37
3	36
7	16
10	17
1	44
2	44
0	52
0	44
8	16
17	11
1	44
36	3
2	45
15	0
4	33
4	16
5	16
11	17
1	44
8	24
0	36
15	1
1	44
0	37
2	35
7	16
1	16
10	16
1	36
3	35
7	3
6	16
4	33
3	35
5	16
1	16
5	16
3	8
5	15
0	16
6	17
2	16
7	16
3	16
8	16
3	16
6	9
1	16
1	28
4	8
4	16
2	16
2	8
0	29
5	3
2	17
5	11
2	7
2	8
2	4
1	19
0	16
3	8
3	3
2	8
4	7
2	8
1	1
0	4
2	1