Extreme rain in Australia, 29 October to 4 November 2020

Name: Extreme rain in Australia, 29 October to 4 November 2020
Start: 2020-10-29
End: 2020-11-04
Location: Australia

Extreme rain in Australia, 29 October to 4 November 2020: 222 records at 202 stations, peak on 2 November 2020. Closed.

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

Key Facts

Extreme rain in Australia, 29 October to 4 November 2020 set or tied 222 station records at 202 stations.
It ran from 29 October 2020 to 4 November 2020 (7 days) and its peak day was 2 November 2020.
Status: closed.
Howatharra set a daily record precipitation of 30.5 mm (1.2 in) on 31 October 2020.
The busiest day was 2 November 2020 with 109 records.
The oldest broken record in the ranked list had stood for 101 years.

Footprint

29 October to 4 November 2020

The area covered by Extreme rain in Australia, 29 October to 4 November 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, 29 October to 4 November 2020: stations that set records in the event
Station	Type	Value	Date
Howatharra	Record daily precipitation	30.5 mm (1.2 in)	2020-10-31
Geraldton Town	Record daily precipitation	27.6 mm (1.1 in)	2020-11-02
Kojonup	Record daily precipitation	38.8 mm (1.5 in)	2020-11-03
Kuranda	Record daily precipitation	38.2 mm (1.5 in)	2020-11-03
Marradong	Record daily precipitation	31.0 mm (1.2 in)	2020-11-03
Kalgan River	Record daily precipitation	29.4 mm (1.2 in)	2020-11-03
Mount Howick	Record daily precipitation	32.0 mm (1.3 in)	2020-11-03
Balline	Record daily precipitation	21.2 mm (0.8 in)	2020-11-02
Geraldton Airport	Record daily precipitation	20.8 mm (0.8 in)	2020-11-02
Isseka	Record daily precipitation	22.8 mm (0.9 in)	2020-11-02
Mumby	Record daily precipitation	17.0 mm (0.7 in)	2020-11-02
Ogilvie	Record daily precipitation	22.0 mm (0.9 in)	2020-11-02
Yuna	Record daily precipitation	18.0 mm (0.7 in)	2020-11-02
Wannamal	Record daily precipitation	22.2 mm (0.9 in)	2020-11-02
Fort Hill	Record daily precipitation	17.0 mm (0.7 in)	2020-11-02
Merredin	Record daily precipitation	22.6 mm (0.9 in)	2020-11-02
Millston	Record daily precipitation	15.0 mm (0.6 in)	2020-11-02
Jalna	Record daily precipitation	19.6 mm (0.8 in)	2020-11-02
Bremer Bay	Record daily precipitation	18.0 mm (0.7 in)	2020-11-03
Yealering	Record daily precipitation	17.0 mm (0.7 in)	2020-11-03

Records per Day

Peak day 109

Records set or tied each day from 29 October 2020 to 4 November 2020. The most in one day was 109 on 2 November 2020.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 29 October to 4 November 2020 ranked by margin
Kuranda, 11-03	24.2 mm (1.0 in)
Howatharra, 10-31	22.9 mm (0.9 in)
Kojonup, 11-03	22.8 mm (0.9 in)
Mount Howick, 11-03	22.2 mm (0.9 in)
Ogilvie, 11-02	18.2 mm (0.7 in)
Kalgan River, 11-03	17.5 mm (0.7 in)
Geraldton Airport, 11-02	17.5 mm (0.7 in)
Geraldton Town, 11-02	14.6 mm (0.6 in)
Marradong, 11-03	14.0 mm (0.6 in)
Merredin, 11-02	13.7 mm (0.5 in)
Yuna, 11-02	12.7 mm (0.5 in)
Jalna, 11-02	12.7 mm (0.5 in)
Isseka, 11-02	11.4 mm (0.4 in)
Balline, 11-02	10.8 mm (0.4 in)
Wannamal, 11-02	10.5 mm (0.4 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

222 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, 29 October to 4 November 2020
Margin (mm)	Years the old record stood
23	64
13	101
15	51
23	42
18	57
24	42
14	82
11	82
11	82
14	62
8	101
11	82
9	96
18	50
22	40
13	61
7	101
18	5
6	101
5	101
7	89
5	96
10	81
7	82
17	40
16	42
9	82
9	82
8	57
7	83
9	82
8	82
7	81
7	82
3	100
6	82
27	2
17	35
6	81
4	96
8	67
15	50
5	82
4	82
12	42
6	72
15	42
4	82
5	82
4	82
4	89
17	35
4	50
4	82
5	83
4	82
5	82
1	89
10	45
20	5
3	83
3	82
3	83
1	95
2	82
3	82
2	82
7	70
12	51
12	51
2	82
2	89
8	5
1	82
16	9
7	50
2	83
15	1
13	29
7	61
1	81
1	82
2	81
1	82
3	82
2	82
15	5
1	82
15	18
0	83
10	38
13	5
8	51
9	39
4	62
11	32
7	33
6	42
7	43
12	42
6	40
10	35
10	40
7	54
10	33
11	8
12	32
3	54
6	38
2	54
8	25
15	29
2	51
2	53
9	32
1	61
1	55
9	8
2	42
1	55
9	35
4	38
4	33
5	36
4	53
2	51
1	62
3	42
1	45
0	51
5	42
5	42
3	33
1	51
0	51
12	8
2	53
3	19
6	33
8	18
0	42
6	16
3	29
3	40
9	16
2	36
1	53
1	16
3	35
1	38
1	33
9	8
1	51
13	8
4	33
4	25
4	39
3	10
4	29
9	16
7	16
3	42
3	40
2	21
2	43
4	32
7	5
2	19
3	25
8	5
5	25
1	40
4	29
3	5
6	5
2	16
3	16
3	32
1	32
5	16
3	8
3	8
1	33
9	1
1	39
6	8
6	8
0	16
1	18
2	1
2	18
1	33
4	5
2	2
1	32
4	8
4	16
6	1
0	16
1	7

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 29 October to 4 November 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, 29 October to 4 November 2020 (this event)	222 records

Every Record Set

20 of 222

Every record set or tied during Extreme rain in Australia, 29 October to 4 November 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-10-31	Howatharra	Record daily precipitation	30.5 mm (1.2 in)	22.9 mm (0.9 in)	64	68 of 100 (Major)
2020-11-02	Geraldton Town	Record daily precipitation	27.6 mm (1.1 in)	14.6 mm (0.6 in)	51	62 of 100 (Major)
2020-11-02	Balline	Record daily precipitation	21.2 mm (0.8 in)	10.8 mm (0.4 in)	82	20 of 100 (Routine)
2020-11-02	Geraldton Airport	Record daily precipitation	20.8 mm (0.8 in)	17.5 mm (0.7 in)	5	20 of 100 (Routine)
2020-11-02	Isseka	Record daily precipitation	22.8 mm (0.9 in)	11.4 mm (0.4 in)	82	20 of 100 (Routine)
2020-11-02	Mumby	Record daily precipitation	17.0 mm (0.7 in)	5.6 mm (0.22 in)	101	20 of 100 (Routine)
2020-11-02	Ogilvie	Record daily precipitation	22.0 mm (0.9 in)	18.2 mm (0.7 in)	57	20 of 100 (Routine)
2020-11-02	Yuna	Record daily precipitation	18.0 mm (0.7 in)	12.7 mm (0.5 in)	101	20 of 100 (Routine)
2020-11-02	Wannamal	Record daily precipitation	22.2 mm (0.9 in)	10.5 mm (0.4 in)	82	20 of 100 (Routine)
2020-11-02	Fort Hill	Record daily precipitation	17.0 mm (0.7 in)	8.4 mm (0.33 in)	101	20 of 100 (Routine)
2020-11-02	Merredin	Record daily precipitation	22.6 mm (0.9 in)	13.7 mm (0.5 in)	82	20 of 100 (Routine)
2020-11-02	Millston	Record daily precipitation	15.0 mm (0.6 in)	6.6 mm (0.26 in)	101	20 of 100 (Routine)
2020-11-02	Jalna	Record daily precipitation	19.6 mm (0.8 in)	12.7 mm (0.5 in)	61	20 of 100 (Routine)
2020-11-03	Kojonup	Record daily precipitation	38.8 mm (1.5 in)	22.8 mm (0.9 in)	42	62 of 100 (Major)
2020-11-03	Kuranda	Record daily precipitation	38.2 mm (1.5 in)	24.2 mm (1.0 in)	42	58 of 100 (Notable)
2020-11-03	Marradong	Record daily precipitation	31.0 mm (1.2 in)	14.0 mm (0.6 in)	62	55 of 100 (Notable)
2020-11-03	Kalgan River	Record daily precipitation	29.4 mm (1.2 in)	17.5 mm (0.7 in)	50	51 of 100 (Notable)
2020-11-03	Mount Howick	Record daily precipitation	32.0 mm (1.3 in)	22.2 mm (0.9 in)	40	51 of 100 (Notable)
2020-11-03	Bremer Bay	Record daily precipitation	18.0 mm (0.7 in)	4.5 mm (0.18 in)	101	20 of 100 (Routine)
2020-11-03	Yealering	Record daily precipitation	17.0 mm (0.7 in)	8.6 mm (0.34 in)	96	20 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 222 records the event counts. The counts above use the full total.

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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.

Date	Records
2020-10-29	1
2020-10-30	6
2020-10-31	3
2020-11-01	28
2020-11-02	109
2020-11-03	74
2020-11-04	1

Margin (mm)	Years the old record stood
23	64
13	101
15	51
23	42
18	57
24	42
14	82
11	82
11	82
14	62
8	101
11	82
9	96
18	50
22	40
13	61
7	101
18	5
6	101
5	101
7	89
5	96
10	81
7	82
17	40
16	42
9	82
9	82
8	57
7	83
9	82
8	82
7	81
7	82
3	100
6	82
27	2
17	35
6	81
4	96
8	67
15	50
5	82
4	82
12	42
6	72
15	42
4	82
5	82
4	82
4	89
17	35
4	50
4	82
5	83
4	82
5	82
1	89
10	45
20	5
3	83
3	82
3	83
1	95
2	82
3	82
2	82
7	70
12	51
12	51
2	82
2	89
8	5
1	82
16	9
7	50
2	83
15	1
13	29
7	61
1	81
1	82
2	81
1	82
3	82
2	82
15	5
1	82
15	18
0	83
10	38
13	5
8	51
9	39
4	62
11	32
7	33
6	42
7	43
12	42
6	40
10	35
10	40
7	54
10	33
11	8
12	32
3	54
6	38
2	54
8	25
15	29
2	51
2	53
9	32
1	61
1	55
9	8
2	42
1	55
9	35
4	38
4	33
5	36
4	53
2	51
1	62
3	42
1	45
0	51
5	42
5	42
3	33
1	51
0	51
12	8
2	53
3	19
6	33
8	18
0	42
6	16
3	29
3	40
9	16
2	36
1	53
1	16
3	35
1	38
1	33
9	8
1	51
13	8
4	33
4	25
4	39
3	10
4	29
9	16
7	16
3	42
3	40
2	21
2	43
4	32
7	5
2	19
3	25
8	5
5	25
1	40
4	29
3	5
6	5
2	16
3	16
3	32
1	32
5	16
3	8
3	8
1	33
9	1
1	39
6	8
6	8
0	16
1	18
2	1
2	18
1	33
4	5
2	2
1	32
4	8
4	16
6	1
0	16
1	7

Margin (mm)	Years the old record stood
23	64
13	101
15	51
23	42
18	57
24	42
14	82
11	82
11	82
14	62
8	101
11	82
9	96
18	50
22	40
13	61
7	101
18	5
6	101
5	101
7	89
5	96
10	81
7	82
17	40
16	42
9	82
9	82
8	57
7	83
9	82
8	82
7	81
7	82
3	100
6	82
27	2
17	35
6	81
4	96
8	67
15	50
5	82
4	82
12	42
6	72
15	42
4	82
5	82
4	82
4	89
17	35
4	50
4	82
5	83
4	82
5	82
1	89
10	45
20	5
3	83
3	82
3	83
1	95
2	82
3	82
2	82
7	70
12	51
12	51
2	82
2	89
8	5
1	82
16	9
7	50
2	83
15	1
13	29
7	61
1	81
1	82
2	81
1	82
3	82
2	82
15	5
1	82
15	18
0	83
10	38
13	5
8	51
9	39
4	62
11	32
7	33
6	42
7	43
12	42
6	40
10	35
10	40
7	54
10	33
11	8
12	32
3	54
6	38
2	54
8	25
15	29
2	51
2	53
9	32
1	61
1	55
9	8
2	42
1	55
9	35
4	38
4	33
5	36
4	53
2	51
1	62
3	42
1	45
0	51
5	42
5	42
3	33
1	51
0	51
12	8
2	53
3	19
6	33
8	18
0	42
6	16
3	29
3	40
9	16
2	36
1	53
1	16
3	35
1	38
1	33
9	8
1	51
13	8
4	33
4	25
4	39
3	10
4	29
9	16
7	16
3	42
3	40
2	21
2	43
4	32
7	5
2	19
3	25
8	5
5	25
1	40
4	29
3	5
6	5
2	16
3	16
3	32
1	32
5	16
3	8
3	8
1	33
9	1
1	39
6	8
6	8
0	16
1	18
2	1
2	18
1	33
4	5
2	2
1	32
4	8
4	16
6	1
0	16
1	7

Margin (mm)	Years the old record stood
23	64
13	101
15	51
23	42
18	57
24	42
14	82
11	82
11	82
14	62
8	101
11	82
9	96
18	50
22	40
13	61
7	101
18	5
6	101
5	101
7	89
5	96
10	81
7	82
17	40
16	42
9	82
9	82
8	57
7	83
9	82
8	82
7	81
7	82
3	100
6	82
27	2
17	35
6	81
4	96
8	67
15	50
5	82
4	82
12	42
6	72
15	42
4	82
5	82
4	82
4	89
17	35
4	50
4	82
5	83
4	82
5	82
1	89
10	45
20	5
3	83
3	82
3	83
1	95
2	82
3	82
2	82
7	70
12	51
12	51
2	82
2	89
8	5
1	82
16	9
7	50
2	83
15	1
13	29
7	61
1	81
1	82
2	81
1	82
3	82
2	82
15	5
1	82
15	18
0	83
10	38
13	5
8	51
9	39
4	62
11	32
7	33
6	42
7	43
12	42
6	40
10	35
10	40
7	54
10	33
11	8
12	32
3	54
6	38
2	54
8	25
15	29
2	51
2	53
9	32
1	61
1	55
9	8
2	42
1	55
9	35
4	38
4	33
5	36
4	53
2	51
1	62
3	42
1	45
0	51
5	42
5	42
3	33
1	51
0	51
12	8
2	53
3	19
6	33
8	18
0	42
6	16
3	29
3	40
9	16
2	36
1	53
1	16
3	35
1	38
1	33
9	8
1	51
13	8
4	33
4	25
4	39
3	10
4	29
9	16
7	16
3	42
3	40
2	21
2	43
4	32
7	5
2	19
3	25
8	5
5	25
1	40
4	29
3	5
6	5
2	16
3	16
3	32
1	32
5	16
3	8
3	8
1	33
9	1
1	39
6	8
6	8
0	16
1	18
2	1
2	18
1	33
4	5
2	2
1	32
4	8
4	16
6	1
0	16
1	7