Extreme rain in Australia, 13 to 25 August 2020

Name: Extreme rain in Australia, 13 to 25 August 2020
Start: 2020-08-13
End: 2020-08-25
Location: Australia

Extreme rain in Australia, 13 to 25 August 2020: 353 records at 328 stations, peak on 15 August 2020. Closed.

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

Key Facts

Extreme rain in Australia, 13 to 25 August 2020 set or tied 353 station records at 328 stations.
It ran from 13 August 2020 to 25 August 2020 (13 days) and its peak day was 15 August 2020.
Status: closed.
Cobden (Post Office) set a daily record precipitation of 51.0 mm (2.0 in) on 24 August 2020.
The busiest day was 15 August 2020 with 136 records.
The oldest broken record in the ranked list had stood for 133 years.

Footprint

13 to 25 August 2020

The area covered by Extreme rain in Australia, 13 to 25 August 2020 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, 13 to 25 August 2020: stations that set records in the event
Station	Type	Value	Date
Cobden (Post Office)	Record daily precipitation	51.0 mm (2.0 in)	2020-08-24
Penola Post Office	Record daily precipitation	36.0 mm (1.4 in)	2020-08-19
Yangan Post Office	Record daily precipitation	44.5 mm (1.8 in)	2020-08-15
Wallangarra Post Office	Record daily precipitation	39.0 mm (1.5 in)	2020-08-17
Coleraine (Melville Forest)	Record daily precipitation	57.2 mm (2.3 in)	2020-08-22
Parndana (Pioneer Bend)	Record daily precipitation	34.0 mm (1.3 in)	2020-08-19
Robe Comparison	Record daily precipitation	36.8 mm (1.4 in)	2020-08-19
Buln Buln	Record daily precipitation	38.4 mm (1.5 in)	2020-08-23
Padthaway (Marcollat)	Record daily precipitation	30.0 mm (1.2 in)	2020-08-19
Cape Willoughby	Record daily precipitation	30.8 mm (1.2 in)	2020-08-19
Tarnma	Record daily precipitation	52.0 mm (2.0 in)	2020-08-19
Maryland	Record daily precipitation	33.0 mm (1.3 in)	2020-08-15
Smeaton (Blampied (Bardia))	Record daily precipitation	33.2 mm (1.3 in)	2020-08-23
Bowenville	Record daily precipitation	25.2 mm (1.0 in)	2020-08-15
Old Koreelah (McPherson)	Record daily precipitation	37.0 mm (1.5 in)	2020-08-15
Drysdale (Brimdale)	Record daily precipitation	33.0 mm (1.3 in)	2020-08-23
Laverton Raaf	Record daily precipitation	27.0 mm (1.1 in)	2020-08-23
Eberys	Record daily precipitation	30.0 mm (1.2 in)	2020-08-23
Yeelana (Brooker)	Record daily precipitation	24.0 mm (0.9 in)	2020-08-19
Koppio	Record daily precipitation	24.4 mm (1.0 in)	2020-08-19

Records per Day

Peak day 136

Records set or tied each day from 13 August 2020 to 25 August 2020. The most in one day was 136 on 15 August 2020.

Records per day during Extreme rain in Australia, 13 to 25 August 2020
Date	Records
2020-08-13	3
2020-08-14	14
2020-08-15	136
2020-08-16	25
2020-08-17	14
2020-08-18	6
2020-08-19	58
2020-08-20	7
2020-08-21	8
2020-08-22	11
2020-08-23	62
2020-08-24	8
2020-08-25	1

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 13 to 25 August 2020 ranked by margin
Yangan Post Office, 08-15	33.3 mm (1.3 in)
Coleraine (Melville Forest), 08-22	28.4 mm (1.1 in)
Old Koreelah (McPherson), 08-15	28.0 mm (1.1 in)
Buln Buln, 08-23	23.6 mm (0.9 in)
Cobden (Post Office), 08-24	22.6 mm (0.9 in)
Wallangarra Post Office, 08-17	22.2 mm (0.9 in)
Parndana (Pioneer Bend), 08-19	22.1 mm (0.9 in)
Smeaton (Blampied (Bardia)), 08-23	20.6 mm (0.8 in)
Drysdale (Brimdale), 08-23	20.2 mm (0.8 in)
Penola Post Office, 08-19	18.2 mm (0.7 in)
Yeelana (Brooker), 08-19	17.4 mm (0.7 in)
Tarnma, 08-19	16.0 mm (0.6 in)
Maryland, 08-15	15.5 mm (0.6 in)
Bowenville, 08-15	15.0 mm (0.6 in)
Padthaway (Marcollat), 08-19	14.5 mm (0.6 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

353 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, 13 to 25 August 2020
Margin (mm)	Years the old record stood
23	99
18	111
22	102
33	58
28	28
17	47
11	103
22	54
10	133
24	45
15	81
9	133
16	27
16	132
21	45
15	99
28	34
20	31
14	31
7	99
9	91
7	111
20	58
27	34
14	48
24	58
22	58
6	127
5	104
8	132
14	76
1	95
34	20
6	89
29	29
24	68
20	58
7	133
5	111
16	59
11	79
10	54
4	104
3	104
20	10
5	93
25	34
31	20
9	81
5	81
4	111
3	111
22	58
20	34
19	58
13	58
16	49
20	49
2	122
27	30
1	103
16	24
10	76
21	29
12	50
3	93
2	96
0	70
2	123
14	47
23	3
26	19
3	87
1	127
2	90
14	14
1	99
12	35
10	54
11	15
13	58
14	57
14	58
22	4
9	37
0	99
5	87
13	35
3	81
8	42
16	34
11	49
15	34
17	34
4	71
11	36
12	45
10	58
14	34
22	35
18	37
9	31
2	81
8	28
14	34
13	52
10	58
20	30
10	54
6	59
11	4
5	59
2	70
14	34
11	34
14	17
13	58
2	83
2	83
12	51
9	31
10	19
6	59
6	53
5	53
6	36
12	34
10	34
7	50
9	31
6	31
0	55
10	4
1	77
20	17
5	59
16	25
11	4
7	31
5	44
14	10
1	72
6	54
13	34
6	47
2	58
3	55
9	30
12	14
8	35
1	64
4	63
13	23
9	30
4	55
8	49
8	52
9	34
5	58
9	49
6	51
1	61
3	59
4	45
6	35
11	10
13	34
8	49
2	58
12	34
11	7
5	52
9	36
3	59
14	4
1	63
7	45
8	34
9	34
1	68
11	29
3	37
3	54
2	45
3	58
1	52
18	9
5	49
1	50
13	7
9	4
5	30
3	42
6	17
2	47
8	34
16	9
9	34
4	51
4	51

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 13 to 25 August 2020 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, 13 to 25 August 2020 (this event)	353 records

Every Record Set

20 of 353

Every record set or tied during Extreme rain in Australia, 13 to 25 August 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-08-15	Yangan Post Office	Record daily precipitation	44.5 mm (1.8 in)	33.3 mm (1.3 in)	58	67 of 100 (Major)
2020-08-15	Maryland	Record daily precipitation	33.0 mm (1.3 in)	15.5 mm (0.6 in)	132	56 of 100 (Notable)
2020-08-15	Bowenville	Record daily precipitation	25.2 mm (1.0 in)	15.0 mm (0.6 in)	99	55 of 100 (Notable)
2020-08-15	Old Koreelah (McPherson)	Record daily precipitation	37.0 mm (1.5 in)	28.0 mm (1.1 in)	34	55 of 100 (Notable)
2020-08-17	Wallangarra Post Office	Record daily precipitation	39.0 mm (1.5 in)	22.2 mm (0.9 in)	102	67 of 100 (Major)
2020-08-19	Penola Post Office	Record daily precipitation	36.0 mm (1.4 in)	18.2 mm (0.7 in)	111	74 of 100 (Major)
2020-08-19	Parndana (Pioneer Bend)	Record daily precipitation	34.0 mm (1.3 in)	22.1 mm (0.9 in)	54	60 of 100 (Major)
2020-08-19	Robe Comparison	Record daily precipitation	36.8 mm (1.4 in)	10.1 mm (0.4 in)	133	60 of 100 (Major)
2020-08-19	Padthaway (Marcollat)	Record daily precipitation	30.0 mm (1.2 in)	14.5 mm (0.6 in)	81	59 of 100 (Notable)
2020-08-19	Cape Willoughby	Record daily precipitation	30.8 mm (1.2 in)	9.0 mm (0.35 in)	133	58 of 100 (Notable)
2020-08-19	Tarnma	Record daily precipitation	52.0 mm (2.0 in)	16.0 mm (0.6 in)	27	57 of 100 (Notable)
2020-08-19	Yeelana (Brooker)	Record daily precipitation	24.0 mm (0.9 in)	17.4 mm (0.7 in)	47	20 of 100 (Routine)
2020-08-19	Koppio	Record daily precipitation	24.4 mm (1.0 in)	10.9 mm (0.4 in)	103	20 of 100 (Routine)
2020-08-22	Coleraine (Melville Forest)	Record daily precipitation	57.2 mm (2.3 in)	28.4 mm (1.1 in)	28	64 of 100 (Major)
2020-08-23	Buln Buln	Record daily precipitation	38.4 mm (1.5 in)	23.6 mm (0.9 in)	45	60 of 100 (Major)
2020-08-23	Smeaton (Blampied (Bardia))	Record daily precipitation	33.2 mm (1.3 in)	20.6 mm (0.8 in)	45	56 of 100 (Notable)
2020-08-23	Drysdale (Brimdale)	Record daily precipitation	33.0 mm (1.3 in)	20.2 mm (0.8 in)	31	54 of 100 (Notable)
2020-08-23	Laverton Raaf	Record daily precipitation	27.0 mm (1.1 in)	14.0 mm (0.6 in)	31	53 of 100 (Notable)
2020-08-23	Eberys	Record daily precipitation	30.0 mm (1.2 in)	7.1 mm (0.28 in)	99	53 of 100 (Notable)
2020-08-24	Cobden (Post Office)	Record daily precipitation	51.0 mm (2.0 in)	22.6 mm (0.9 in)	99	78 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 353 records the event counts. The counts above use the full total.

Related Headlines

Third party news, headline and link only

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
23	99
18	111
22	102
33	58
28	28
17	47
11	103
22	54
10	133
24	45
15	81
9	133
16	27
16	132
21	45
15	99
28	34
20	31
14	31
7	99
9	91
7	111
20	58
27	34
14	48
24	58
22	58
6	127
5	104
8	132
14	76
1	95
34	20
6	89
29	29
24	68
20	58
7	133
5	111
16	59
11	79
10	54
4	104
3	104
20	10
5	93
25	34
31	20
9	81
5	81
4	111
3	111
22	58
20	34
19	58
13	58
16	49
20	49
2	122
27	30
1	103
16	24
10	76
21	29
12	50
3	93
2	96
0	70
2	123
14	47
23	3
26	19
3	87
1	127
2	90
14	14
1	99
12	35
10	54
11	15
13	58
14	57
14	58
22	4
9	37
0	99
5	87
13	35
3	81
8	42
16	34
11	49
15	34
17	34
4	71
11	36
12	45
10	58
14	34
22	35
18	37
9	31
2	81
8	28
14	34
13	52
10	58
20	30
10	54
6	59
11	4
5	59
2	70
14	34
11	34
14	17
13	58
2	83
2	83
12	51
9	31
10	19
6	59
6	53
5	53
6	36
12	34
10	34
7	50
9	31
6	31
0	55
10	4
1	77
20	17
5	59
16	25
11	4
7	31
5	44
14	10
1	72
6	54
13	34
6	47
2	58
3	55
9	30
12	14
8	35
1	64
4	63
13	23
9	30
4	55
8	49
8	52
9	34
5	58
9	49
6	51
1	61
3	59
4	45
6	35
11	10
13	34
8	49
2	58
12	34
11	7
5	52
9	36
3	59
14	4
1	63
7	45
8	34
9	34
1	68
11	29
3	37
3	54
2	45
3	58
1	52
18	9
5	49
1	50
13	7
9	4
5	30
3	42
6	17
2	47
8	34
16	9
9	34
4	51
4	51

Margin (mm)	Years the old record stood
23	99
18	111
22	102
33	58
28	28
17	47
11	103
22	54
10	133
24	45
15	81
9	133
16	27
16	132
21	45
15	99
28	34
20	31
14	31
7	99
9	91
7	111
20	58
27	34
14	48
24	58
22	58
6	127
5	104
8	132
14	76
1	95
34	20
6	89
29	29
24	68
20	58
7	133
5	111
16	59
11	79
10	54
4	104
3	104
20	10
5	93
25	34
31	20
9	81
5	81
4	111
3	111
22	58
20	34
19	58
13	58
16	49
20	49
2	122
27	30
1	103
16	24
10	76
21	29
12	50
3	93
2	96
0	70
2	123
14	47
23	3
26	19
3	87
1	127
2	90
14	14
1	99
12	35
10	54
11	15
13	58
14	57
14	58
22	4
9	37
0	99
5	87
13	35
3	81
8	42
16	34
11	49
15	34
17	34
4	71
11	36
12	45
10	58
14	34
22	35
18	37
9	31
2	81
8	28
14	34
13	52
10	58
20	30
10	54
6	59
11	4
5	59
2	70
14	34
11	34
14	17
13	58
2	83
2	83
12	51
9	31
10	19
6	59
6	53
5	53
6	36
12	34
10	34
7	50
9	31
6	31
0	55
10	4
1	77
20	17
5	59
16	25
11	4
7	31
5	44
14	10
1	72
6	54
13	34
6	47
2	58
3	55
9	30
12	14
8	35
1	64
4	63
13	23
9	30
4	55
8	49
8	52
9	34
5	58
9	49
6	51
1	61
3	59
4	45
6	35
11	10
13	34
8	49
2	58
12	34
11	7
5	52
9	36
3	59
14	4
1	63
7	45
8	34
9	34
1	68
11	29
3	37
3	54
2	45
3	58
1	52
18	9
5	49
1	50
13	7
9	4
5	30
3	42
6	17
2	47
8	34
16	9
9	34
4	51
4	51

Margin (mm)	Years the old record stood
23	99
18	111
22	102
33	58
28	28
17	47
11	103
22	54
10	133
24	45
15	81
9	133
16	27
16	132
21	45
15	99
28	34
20	31
14	31
7	99
9	91
7	111
20	58
27	34
14	48
24	58
22	58
6	127
5	104
8	132
14	76
1	95
34	20
6	89
29	29
24	68
20	58
7	133
5	111
16	59
11	79
10	54
4	104
3	104
20	10
5	93
25	34
31	20
9	81
5	81
4	111
3	111
22	58
20	34
19	58
13	58
16	49
20	49
2	122
27	30
1	103
16	24
10	76
21	29
12	50
3	93
2	96
0	70
2	123
14	47
23	3
26	19
3	87
1	127
2	90
14	14
1	99
12	35
10	54
11	15
13	58
14	57
14	58
22	4
9	37
0	99
5	87
13	35
3	81
8	42
16	34
11	49
15	34
17	34
4	71
11	36
12	45
10	58
14	34
22	35
18	37
9	31
2	81
8	28
14	34
13	52
10	58
20	30
10	54
6	59
11	4
5	59
2	70
14	34
11	34
14	17
13	58
2	83
2	83
12	51
9	31
10	19
6	59
6	53
5	53
6	36
12	34
10	34
7	50
9	31
6	31
0	55
10	4
1	77
20	17
5	59
16	25
11	4
7	31
5	44
14	10
1	72
6	54
13	34
6	47
2	58
3	55
9	30
12	14
8	35
1	64
4	63
13	23
9	30
4	55
8	49
8	52
9	34
5	58
9	49
6	51
1	61
3	59
4	45
6	35
11	10
13	34
8	49
2	58
12	34
11	7
5	52
9	36
3	59
14	4
1	63
7	45
8	34
9	34
1	68
11	29
3	37
3	54
2	45
3	58
1	52
18	9
5	49
1	50
13	7
9	4
5	30
3	42
6	17
2	47
8	34
16	9
9	34
4	51
4	51