Extreme rain in Australia, 4 to 13 August 2020

Name: Extreme rain in Australia, 4 to 13 August 2020
Start: 2020-08-04
End: 2020-08-13
Location: Australia

Extreme rain in Australia, 4 to 13 August 2020: 903 records at 772 stations, peak on 8 August 2020. Closed.

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

Key Facts

Extreme rain in Australia, 4 to 13 August 2020 set or tied 903 station records at 772 stations.
It ran from 4 August 2020 to 13 August 2020 (10 days) and its peak day was 8 August 2020.
Status: closed.
Wanaaring Post Office set a daily record precipitation of 52.4 mm (2.1 in) on 7 August 2020.
The busiest day was 8 August 2020 with 401 records.
The oldest broken record in the ranked list had stood for 153 years.

Footprint

4 to 13 August 2020

The area covered by Extreme rain in Australia, 4 to 13 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, 4 to 13 August 2020: stations that set records in the event
Station	Type	Value	Date
Wanaaring Post Office	Record daily precipitation	52.4 mm (2.1 in)	2020-08-07
Deniliquin (Wilkinson St)	Record daily precipitation	36.0 mm (1.4 in)	2020-08-08
Marulan (George St)	Record daily precipitation	74.0 mm (2.9 in)	2020-08-09
Nyah	Record daily precipitation	32.6 mm (1.3 in)	2020-08-09
Nelligen (Thule Road)	Record daily precipitation	145.2 mm (5.7 in)	2020-08-09
Bungonia (Inverary Park)	Record daily precipitation	89.6 mm (3.5 in)	2020-08-09
Bettowynd (Condry)	Record daily precipitation	116.0 mm (4.6 in)	2020-08-09
Wakool (Calimo)	Record daily precipitation	37.1 mm (1.5 in)	2020-08-08
Batemans Bay - Buckenbowra	Record daily precipitation	143.0 mm (5.6 in)	2020-08-09
Breadalbane (Old Post Office)	Record daily precipitation	94.6 mm (3.7 in)	2020-08-09
Kangiara (Laverstock)	Record daily precipitation	68.0 mm (2.7 in)	2020-08-09
Mittagong (Beatrice Street)	Record daily precipitation	72.2 mm (2.8 in)	2020-08-10
Moss Vale (Hoskins Street)	Record daily precipitation	79.0 mm (3.1 in)	2020-08-10
Bemboka Post Office	Record daily precipitation	73.4 mm (2.9 in)	2020-08-09
Hatfield (Clare)	Record daily precipitation	32.4 mm (1.3 in)	2020-08-08
Bowning (Wanganui)	Record daily precipitation	55.2 mm (2.2 in)	2020-08-09
Coober Pedy (McDouall Peak)	Record daily precipitation	45.8 mm (1.8 in)	2020-08-05
Moulamein (Tchelery)	Record daily precipitation	31.2 mm (1.2 in)	2020-08-08
Hall (Lochleigh)	Record daily precipitation	62.0 mm (2.4 in)	2020-08-09
Bundanoon Bowling Club	Record daily precipitation	83.6 mm (3.3 in)	2020-08-10

Records per Day

Peak day 401

Records set or tied each day from 4 August 2020 to 13 August 2020. The most in one day was 401 on 8 August 2020.

Records per day during Extreme rain in Australia, 4 to 13 August 2020
Date	Records
2020-08-04	1
2020-08-05	26
2020-08-06	28
2020-08-07	122
2020-08-08	401
2020-08-09	141
2020-08-10	147
2020-08-11	7
2020-08-12	18
2020-08-13	12

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 4 to 13 August 2020 ranked by margin
Batemans Bay - Buckenbowra, 08-09	130.8 mm (5.1 in)
Bettowynd (Condry), 08-09	106.6 mm (4.2 in)
Nelligen (Thule Road), 08-09	104.1 mm (4.1 in)
Bungonia (Inverary Park), 08-09	76.9 mm (3.0 in)
Bundanoon Bowling Club, 08-10	65.8 mm (2.6 in)
Marulan (George St), 08-09	65.4 mm (2.6 in)
Bemboka Post Office, 08-09	61.2 mm (2.4 in)
Moss Vale (Hoskins Street), 08-10	56.9 mm (2.2 in)
Mittagong (Beatrice Street), 08-10	51.1 mm (2.0 in)
Breadalbane (Old Post Office), 08-09	38.8 mm (1.5 in)
Wanaaring Post Office, 08-07	34.1 mm (1.3 in)
Bowning (Wanganui), 08-09	33.6 mm (1.3 in)
Deniliquin (Wilkinson St), 08-08	23.3 mm (0.9 in)
Kangiara (Laverstock), 08-09	22.0 mm (0.9 in)
Moulamein (Tchelery), 08-08	21.5 mm (0.8 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

500 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, 4 to 13 August 2020
Margin (mm)	Years the old record stood
34	115
65	122
23	153
21	100
104	82
77	82
107	77
21	81
131	77
39	30
22	69
51	76
57	76
61	77
21	82
34	52
16	49
66	76
17	102
22	52
54	48
71	46
11	102
14	121
21	35
19	62
55	77
28	122
20	52
30	24
23	82
22	82
32	5
8	100
12	75
108	34
78	22
72	20
61	20
106	21
40	21
24	23
30	23
14	69
25	23
15	104
24	23
98	34
26	5
12	82
8	90
17	35
9	130
19	65
65	33
19	122
71	28
46	55
117	34
79	34
17	82
16	52
10	99
6	120
30	60
9	90
41	59
19	140
56	34
11	89
24	29
23	5
17	82
25	95
81	33
24	77
59	21
14	59
14	52
20	39
11	111
13	111
10	124
23	76
31	21
105	20
72	21
34	20
10	77
5	100
7	72
12	82
17	122
16	95
31	77
74	54
28	77
46	34
27	21
30	20
6	121
11	39
10	123
18	95
11	82
133	12
109	22
9	82
8	82
10	82
12	52
13	52
13	52
15	35
8	131
14	73
8	117
106	7
156	9
86	10
9	82
11	82
16	56
74	12
11	78
12	52
6	93
9	67
18	21
10	75
5	100
11	82
10	112
13	82
11	82
24	77
66	34
20	20
11	52
10	42
8	76
11	77
9	122
14	96
13	52
9	65
10	52
12	52
12	52
5	130
4	104
21	42
15	66
12	42
4	121
16	76
26	59
25	22
26	36
5	104
13	50
32	28
7	87
9	77
7	114
5	95
32	59
131	33
6	60
6	82
10	52
10	52
18	23
2	135
4	83
3	89
2	125
7	65
4	125
29	9
18	52
83	7
49	36
58	33
56	8
20	36
19	1
13	77
13	55
19	4
16	23
10	52
12	39
8	52
28	58
50	22
8	45
2	120
14	52
9	76

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 4 to 13 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, 4 to 13 August 2020 (this event)	903 records

Every Record Set

20 of 903

Every record set or tied during Extreme rain in Australia, 4 to 13 August 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-08-05	Coober Pedy (McDouall Peak)	Record daily precipitation	45.8 mm (1.8 in)	16.1 mm (0.6 in)	49	62 of 100 (Major)
2020-08-07	Wanaaring Post Office	Record daily precipitation	52.4 mm (2.1 in)	34.1 mm (1.3 in)	115	80 of 100 (Exceptional)
2020-08-08	Deniliquin (Wilkinson St)	Record daily precipitation	36.0 mm (1.4 in)	23.3 mm (0.9 in)	153	80 of 100 (Exceptional)
2020-08-08	Wakool (Calimo)	Record daily precipitation	37.1 mm (1.5 in)	20.6 mm (0.8 in)	81	71 of 100 (Major)
2020-08-08	Hatfield (Clare)	Record daily precipitation	32.4 mm (1.3 in)	20.5 mm (0.8 in)	82	66 of 100 (Major)
2020-08-08	Moulamein (Tchelery)	Record daily precipitation	31.2 mm (1.2 in)	21.5 mm (0.8 in)	52	62 of 100 (Major)
2020-08-09	Marulan (George St)	Record daily precipitation	74.0 mm (2.9 in)	65.4 mm (2.6 in)	122	80 of 100 (Exceptional)
2020-08-09	Nyah	Record daily precipitation	32.6 mm (1.3 in)	20.9 mm (0.8 in)	100	79 of 100 (Major)
2020-08-09	Nelligen (Thule Road)	Record daily precipitation	145.2 mm (5.7 in)	104.1 mm (4.1 in)	82	74 of 100 (Major)
2020-08-09	Bungonia (Inverary Park)	Record daily precipitation	89.6 mm (3.5 in)	76.9 mm (3.0 in)	82	74 of 100 (Major)
2020-08-09	Bettowynd (Condry)	Record daily precipitation	116.0 mm (4.6 in)	106.6 mm (4.2 in)	77	73 of 100 (Major)
2020-08-09	Batemans Bay - Buckenbowra	Record daily precipitation	143.0 mm (5.6 in)	130.8 mm (5.1 in)	77	70 of 100 (Major)
2020-08-09	Breadalbane (Old Post Office)	Record daily precipitation	94.6 mm (3.7 in)	38.8 mm (1.5 in)	30	69 of 100 (Major)
2020-08-09	Kangiara (Laverstock)	Record daily precipitation	68.0 mm (2.7 in)	22.0 mm (0.9 in)	69	69 of 100 (Major)
2020-08-09	Bemboka Post Office	Record daily precipitation	73.4 mm (2.9 in)	61.2 mm (2.4 in)	77	67 of 100 (Major)
2020-08-09	Bowning (Wanganui)	Record daily precipitation	55.2 mm (2.2 in)	33.6 mm (1.3 in)	52	65 of 100 (Major)
2020-08-09	Hall (Lochleigh)	Record daily precipitation	62.0 mm (2.4 in)	17.0 mm (0.7 in)	102	62 of 100 (Major)
2020-08-10	Mittagong (Beatrice Street)	Record daily precipitation	72.2 mm (2.8 in)	51.1 mm (2.0 in)	76	68 of 100 (Major)
2020-08-10	Moss Vale (Hoskins Street)	Record daily precipitation	79.0 mm (3.1 in)	56.9 mm (2.2 in)	76	68 of 100 (Major)
2020-08-10	Bundanoon Bowling Club	Record daily precipitation	83.6 mm (3.3 in)	65.8 mm (2.6 in)	76	62 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 903 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
34	115
65	122
23	153
21	100
104	82
77	82
107	77
21	81
131	77
39	30
22	69
51	76
57	76
61	77
21	82
34	52
16	49
66	76
17	102
22	52
54	48
71	46
11	102
14	121
21	35
19	62
55	77
28	122
20	52
30	24
23	82
22	82
32	5
8	100
12	75
108	34
78	22
72	20
61	20
106	21
40	21
24	23
30	23
14	69
25	23
15	104
24	23
98	34
26	5
12	82
8	90
17	35
9	130
19	65
65	33
19	122
71	28
46	55
117	34
79	34
17	82
16	52
10	99
6	120
30	60
9	90
41	59
19	140
56	34
11	89
24	29
23	5
17	82
25	95
81	33
24	77
59	21
14	59
14	52
20	39
11	111
13	111
10	124
23	76
31	21
105	20
72	21
34	20
10	77
5	100
7	72
12	82
17	122
16	95
31	77
74	54
28	77
46	34
27	21
30	20
6	121
11	39
10	123
18	95
11	82
133	12
109	22
9	82
8	82
10	82
12	52
13	52
13	52
15	35
8	131
14	73
8	117
106	7
156	9
86	10
9	82
11	82
16	56
74	12
11	78
12	52
6	93
9	67
18	21
10	75
5	100
11	82
10	112
13	82
11	82
24	77
66	34
20	20
11	52
10	42
8	76
11	77
9	122
14	96
13	52
9	65
10	52
12	52
12	52
5	130
4	104
21	42
15	66
12	42
4	121
16	76
26	59
25	22
26	36
5	104
13	50
32	28
7	87
9	77
7	114
5	95
32	59
131	33
6	60
6	82
10	52
10	52
18	23
2	135
4	83
3	89
2	125
7	65
4	125
29	9
18	52
83	7
49	36
58	33
56	8
20	36
19	1
13	77
13	55
19	4
16	23
10	52
12	39
8	52
28	58
50	22
8	45
2	120
14	52
9	76

Margin (mm)	Years the old record stood
34	115
65	122
23	153
21	100
104	82
77	82
107	77
21	81
131	77
39	30
22	69
51	76
57	76
61	77
21	82
34	52
16	49
66	76
17	102
22	52
54	48
71	46
11	102
14	121
21	35
19	62
55	77
28	122
20	52
30	24
23	82
22	82
32	5
8	100
12	75
108	34
78	22
72	20
61	20
106	21
40	21
24	23
30	23
14	69
25	23
15	104
24	23
98	34
26	5
12	82
8	90
17	35
9	130
19	65
65	33
19	122
71	28
46	55
117	34
79	34
17	82
16	52
10	99
6	120
30	60
9	90
41	59
19	140
56	34
11	89
24	29
23	5
17	82
25	95
81	33
24	77
59	21
14	59
14	52
20	39
11	111
13	111
10	124
23	76
31	21
105	20
72	21
34	20
10	77
5	100
7	72
12	82
17	122
16	95
31	77
74	54
28	77
46	34
27	21
30	20
6	121
11	39
10	123
18	95
11	82
133	12
109	22
9	82
8	82
10	82
12	52
13	52
13	52
15	35
8	131
14	73
8	117
106	7
156	9
86	10
9	82
11	82
16	56
74	12
11	78
12	52
6	93
9	67
18	21
10	75
5	100
11	82
10	112
13	82
11	82
24	77
66	34
20	20
11	52
10	42
8	76
11	77
9	122
14	96
13	52
9	65
10	52
12	52
12	52
5	130
4	104
21	42
15	66
12	42
4	121
16	76
26	59
25	22
26	36
5	104
13	50
32	28
7	87
9	77
7	114
5	95
32	59
131	33
6	60
6	82
10	52
10	52
18	23
2	135
4	83
3	89
2	125
7	65
4	125
29	9
18	52
83	7
49	36
58	33
56	8
20	36
19	1
13	77
13	55
19	4
16	23
10	52
12	39
8	52
28	58
50	22
8	45
2	120
14	52
9	76

Margin (mm)	Years the old record stood
34	115
65	122
23	153
21	100
104	82
77	82
107	77
21	81
131	77
39	30
22	69
51	76
57	76
61	77
21	82
34	52
16	49
66	76
17	102
22	52
54	48
71	46
11	102
14	121
21	35
19	62
55	77
28	122
20	52
30	24
23	82
22	82
32	5
8	100
12	75
108	34
78	22
72	20
61	20
106	21
40	21
24	23
30	23
14	69
25	23
15	104
24	23
98	34
26	5
12	82
8	90
17	35
9	130
19	65
65	33
19	122
71	28
46	55
117	34
79	34
17	82
16	52
10	99
6	120
30	60
9	90
41	59
19	140
56	34
11	89
24	29
23	5
17	82
25	95
81	33
24	77
59	21
14	59
14	52
20	39
11	111
13	111
10	124
23	76
31	21
105	20
72	21
34	20
10	77
5	100
7	72
12	82
17	122
16	95
31	77
74	54
28	77
46	34
27	21
30	20
6	121
11	39
10	123
18	95
11	82
133	12
109	22
9	82
8	82
10	82
12	52
13	52
13	52
15	35
8	131
14	73
8	117
106	7
156	9
86	10
9	82
11	82
16	56
74	12
11	78
12	52
6	93
9	67
18	21
10	75
5	100
11	82
10	112
13	82
11	82
24	77
66	34
20	20
11	52
10	42
8	76
11	77
9	122
14	96
13	52
9	65
10	52
12	52
12	52
5	130
4	104
21	42
15	66
12	42
4	121
16	76
26	59
25	22
26	36
5	104
13	50
32	28
7	87
9	77
7	114
5	95
32	59
131	33
6	60
6	82
10	52
10	52
18	23
2	135
4	83
3	89
2	125
7	65
4	125
29	9
18	52
83	7
49	36
58	33
56	8
20	36
19	1
13	77
13	55
19	4
16	23
10	52
12	39
8	52
28	58
50	22
8	45
2	120
14	52
9	76