Extreme rain in Australia, 22 to 30 July 2020

Name: Extreme rain in Australia, 22 to 30 July 2020
Start: 2020-07-22
End: 2020-07-30
Location: Australia

Extreme rain in Australia, 22 to 30 July 2020: 429 records at 341 stations, peak on 27 July 2020. Closed.

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

Key Facts

Extreme rain in Australia, 22 to 30 July 2020 set or tied 429 station records at 341 stations.
It ran from 22 July 2020 to 30 July 2020 (9 days) and its peak day was 27 July 2020.
Status: closed.
Raymond Terrace (Kinross) set a daily record precipitation of 101.4 mm (4.0 in) on 27 July 2020.
The busiest day was 27 July 2020 with 165 records.
The oldest broken record in the ranked list had stood for 133 years.

Footprint

22 to 30 July 2020

The area covered by Extreme rain in Australia, 22 to 30 July 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, 22 to 30 July 2020: stations that set records in the event
Station	Type	Value	Date
Raymond Terrace (Kinross)	Record daily precipitation	101.4 mm (4.0 in)	2020-07-27
Moss Vale (Hoskins Street)	Record daily precipitation	101.8 mm (4.0 in)	2020-07-28
Williamtown Raaf	Record daily precipitation	133.0 mm (5.2 in)	2020-07-27
Maroota ( Roberts Road)	Record daily precipitation	116.0 mm (4.6 in)	2020-07-27
Wapengo Lake Road	Record daily precipitation	101.0 mm (4.0 in)	2020-07-27
Dungog Post Office	Record daily precipitation	70.6 mm (2.8 in)	2020-07-27
Snowball	Record daily precipitation	88.0 mm (3.5 in)	2020-07-27
Moruya Heads Pilot Station	Record daily precipitation	118.2 mm (4.7 in)	2020-07-27
Bendalong Stp	Record daily precipitation	208.2 mm (8.2 in)	2020-07-28
Cooranbong (Avondale)	Record daily precipitation	125.0 mm (4.9 in)	2020-07-27
Nelligen (Thule Road)	Record daily precipitation	183.0 mm (7.2 in)	2020-07-27
Marrickville Golf Club	Record daily precipitation	75.0 mm (3.0 in)	2020-07-27
Seven Hills (Collins St)	Record daily precipitation	92.4 mm (3.6 in)	2020-07-27
Bolton Point (the Ridge Way)	Record daily precipitation	139.2 mm (5.5 in)	2020-07-27
Bundanoon Bowling Club	Record daily precipitation	104.2 mm (4.1 in)	2020-07-28
Upper Mongogarie (Marangaroo)	Record daily precipitation	106.6 mm (4.2 in)	2020-07-25
Dandaloo (Tyrie Homestead)	Record daily precipitation	48.0 mm (1.9 in)	2020-07-26
Cathcart (Mount Darragh)	Record daily precipitation	75.2 mm (3.0 in)	2020-07-27
Newcastle Nobbys Signal Statio	Record daily precipitation	73.4 mm (2.9 in)	2020-07-27
Swansea (Catherine St)	Record daily precipitation	172.4 mm (6.8 in)	2020-07-27

Records per Day

Peak day 165

Records set or tied each day from 22 July 2020 to 30 July 2020. The most in one day was 165 on 27 July 2020.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 22 to 30 July 2020 ranked by margin
Maroota ( Roberts Road), 07-27	92.4 mm (3.6 in)
Bendalong Stp, 07-28	89.3 mm (3.5 in)
Bundanoon Bowling Club, 07-28	79.1 mm (3.1 in)
Moss Vale (Hoskins Street), 07-28	76.9 mm (3.0 in)
Swansea (Catherine St), 07-27	72.4 mm (2.9 in)
Seven Hills (Collins St), 07-27	67.0 mm (2.6 in)
Snowball, 07-27	62.6 mm (2.5 in)
Wapengo Lake Road, 07-27	58.3 mm (2.3 in)
Williamtown Raaf, 07-27	56.0 mm (2.2 in)
Bolton Point (the Ridge Way), 07-27	55.2 mm (2.2 in)
Cathcart (Mount Darragh), 07-27	54.4 mm (2.1 in)
Marrickville Golf Club, 07-27	53.4 mm (2.1 in)
Raymond Terrace (Kinross), 07-27	53.1 mm (2.1 in)
Cooranbong (Avondale), 07-27	50.1 mm (2.0 in)
Moruya Heads Pilot Station, 07-27	48.3 mm (1.9 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

429 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, 22 to 30 July 2020
Margin (mm)	Years the old record stood
53	102
77	126
56	67
92	91
58	90
43	102
63	102
89	51
48	98
50	102
45	98
53	102
67	68
55	32
79	53
23	84
43	35
54	68
29	102
72	32
46	53
38	98
85	53
75	21
108	41
42	98
33	44
26	9
71	41
57	43
76	36
91	39
78	31
53	36
36	36
20	84
14	84
101	36
61	36
51	36
53	36
59	36
51	9
57	41
55	36
78	9
19	123
55	19
37	78
54	36
110	24
37	36
95	24
29	36
106	22
80	41
65	30
55	24
59	36
69	24
105	19
25	36
132	24
28	24
14	93
33	36
35	19
58	19
69	19
81	19
30	87
46	19
122	24
16	87
96	22
81	19
8	103
56	12
110	19
49	36
10	101
99	14
8	96
88	12
50	19
92	24
25	19
6	116
86	11
69	19
60	13
50	13
53	59
18	122
29	68
14	93
17	93
46	41
18	49
28	36
11	84
43	19
9	93
9	102
8	98
39	12
31	19
25	44
44	63
57	59
11	117
5	102
33	24
44	12
43	44
42	36
2	133
15	68
4	117
14	59
2	116
28	36
37	19
37	33
19	49
4	98
6	93
5	82
25	36
18	36
19	68
20	24
17	41
14	33
35	36
14	47
42	24
48	36
15	32
11	32
16	21
17	39
1	98
29	35
10	68
46	10
20	36
1	93
11	68
0	90
13	70
39	53
15	63
17	36
27	16
22	19
5	86
21	36
25	40
2	84
22	36
22	45
32	44
17	36
29	22
4	70
16	24
47	44
34	41
1	84
32	44
10	44
27	19
20	24
12	59
17	47
17	59
41	21
7	59
34	36
12	20
14	33
12	36
13	47
8	44
15	19
36	22
6	68
21	36
21	13
36	23
5	55
3	68
3	47
27	44
5	21
39	19
18	36
4	54
31	14

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 22 to 30 July 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, 22 to 30 July 2020 (this event)	429 records

Every Record Set

20 of 429

Every record set or tied during Extreme rain in Australia, 22 to 30 July 2020, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2020-07-25	Upper Mongogarie (Marangaroo)	Record daily precipitation	106.6 mm (4.2 in)	43.2 mm (1.7 in)	35	63 of 100 (Major)
2020-07-26	Dandaloo (Tyrie Homestead)	Record daily precipitation	48.0 mm (1.9 in)	22.6 mm (0.9 in)	84	63 of 100 (Major)
2020-07-27	Raymond Terrace (Kinross)	Record daily precipitation	101.4 mm (4.0 in)	53.1 mm (2.1 in)	102	80 of 100 (Exceptional)
2020-07-27	Williamtown Raaf	Record daily precipitation	133.0 mm (5.2 in)	56.0 mm (2.2 in)	67	77 of 100 (Major)
2020-07-27	Maroota ( Roberts Road)	Record daily precipitation	116.0 mm (4.6 in)	92.4 mm (3.6 in)	91	76 of 100 (Major)
2020-07-27	Wapengo Lake Road	Record daily precipitation	101.0 mm (4.0 in)	58.3 mm (2.3 in)	90	76 of 100 (Major)
2020-07-27	Dungog Post Office	Record daily precipitation	70.6 mm (2.8 in)	43.4 mm (1.7 in)	102	75 of 100 (Major)
2020-07-27	Snowball	Record daily precipitation	88.0 mm (3.5 in)	62.6 mm (2.5 in)	102	74 of 100 (Major)
2020-07-27	Moruya Heads Pilot Station	Record daily precipitation	118.2 mm (4.7 in)	48.3 mm (1.9 in)	98	73 of 100 (Major)
2020-07-27	Cooranbong (Avondale)	Record daily precipitation	125.0 mm (4.9 in)	50.1 mm (2.0 in)	102	70 of 100 (Major)
2020-07-27	Nelligen (Thule Road)	Record daily precipitation	183.0 mm (7.2 in)	44.6 mm (1.8 in)	98	70 of 100 (Major)
2020-07-27	Marrickville Golf Club	Record daily precipitation	75.0 mm (3.0 in)	53.4 mm (2.1 in)	102	68 of 100 (Major)
2020-07-27	Seven Hills (Collins St)	Record daily precipitation	92.4 mm (3.6 in)	67.0 mm (2.6 in)	68	67 of 100 (Major)
2020-07-27	Bolton Point (the Ridge Way)	Record daily precipitation	139.2 mm (5.5 in)	55.2 mm (2.2 in)	32	64 of 100 (Major)
2020-07-27	Cathcart (Mount Darragh)	Record daily precipitation	75.2 mm (3.0 in)	54.4 mm (2.1 in)	68	63 of 100 (Major)
2020-07-27	Newcastle Nobbys Signal Statio	Record daily precipitation	73.4 mm (2.9 in)	28.9 mm (1.1 in)	102	62 of 100 (Major)
2020-07-27	Swansea (Catherine St)	Record daily precipitation	172.4 mm (6.8 in)	72.4 mm (2.9 in)	32	62 of 100 (Major)
2020-07-28	Moss Vale (Hoskins Street)	Record daily precipitation	101.8 mm (4.0 in)	76.9 mm (3.0 in)	126	80 of 100 (Exceptional)
2020-07-28	Bendalong Stp	Record daily precipitation	208.2 mm (8.2 in)	89.3 mm (3.5 in)	51	73 of 100 (Major)
2020-07-28	Bundanoon Bowling Club	Record daily precipitation	104.2 mm (4.1 in)	79.1 mm (3.1 in)	53	64 of 100 (Major)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 429 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.

Date	Records
2020-07-22	5
2020-07-23	42
2020-07-24	6
2020-07-25	7
2020-07-26	133
2020-07-27	165
2020-07-28	66
2020-07-29	3
2020-07-30	2

Margin (mm)	Years the old record stood
53	102
77	126
56	67
92	91
58	90
43	102
63	102
89	51
48	98
50	102
45	98
53	102
67	68
55	32
79	53
23	84
43	35
54	68
29	102
72	32
46	53
38	98
85	53
75	21
108	41
42	98
33	44
26	9
71	41
57	43
76	36
91	39
78	31
53	36
36	36
20	84
14	84
101	36
61	36
51	36
53	36
59	36
51	9
57	41
55	36
78	9
19	123
55	19
37	78
54	36
110	24
37	36
95	24
29	36
106	22
80	41
65	30
55	24
59	36
69	24
105	19
25	36
132	24
28	24
14	93
33	36
35	19
58	19
69	19
81	19
30	87
46	19
122	24
16	87
96	22
81	19
8	103
56	12
110	19
49	36
10	101
99	14
8	96
88	12
50	19
92	24
25	19
6	116
86	11
69	19
60	13
50	13
53	59
18	122
29	68
14	93
17	93
46	41
18	49
28	36
11	84
43	19
9	93
9	102
8	98
39	12
31	19
25	44
44	63
57	59
11	117
5	102
33	24
44	12
43	44
42	36
2	133
15	68
4	117
14	59
2	116
28	36
37	19
37	33
19	49
4	98
6	93
5	82
25	36
18	36
19	68
20	24
17	41
14	33
35	36
14	47
42	24
48	36
15	32
11	32
16	21
17	39
1	98
29	35
10	68
46	10
20	36
1	93
11	68
0	90
13	70
39	53
15	63
17	36
27	16
22	19
5	86
21	36
25	40
2	84
22	36
22	45
32	44
17	36
29	22
4	70
16	24
47	44
34	41
1	84
32	44
10	44
27	19
20	24
12	59
17	47
17	59
41	21
7	59
34	36
12	20
14	33
12	36
13	47
8	44
15	19
36	22
6	68
21	36
21	13
36	23
5	55
3	68
3	47
27	44
5	21
39	19
18	36
4	54
31	14

Margin (mm)	Years the old record stood
53	102
77	126
56	67
92	91
58	90
43	102
63	102
89	51
48	98
50	102
45	98
53	102
67	68
55	32
79	53
23	84
43	35
54	68
29	102
72	32
46	53
38	98
85	53
75	21
108	41
42	98
33	44
26	9
71	41
57	43
76	36
91	39
78	31
53	36
36	36
20	84
14	84
101	36
61	36
51	36
53	36
59	36
51	9
57	41
55	36
78	9
19	123
55	19
37	78
54	36
110	24
37	36
95	24
29	36
106	22
80	41
65	30
55	24
59	36
69	24
105	19
25	36
132	24
28	24
14	93
33	36
35	19
58	19
69	19
81	19
30	87
46	19
122	24
16	87
96	22
81	19
8	103
56	12
110	19
49	36
10	101
99	14
8	96
88	12
50	19
92	24
25	19
6	116
86	11
69	19
60	13
50	13
53	59
18	122
29	68
14	93
17	93
46	41
18	49
28	36
11	84
43	19
9	93
9	102
8	98
39	12
31	19
25	44
44	63
57	59
11	117
5	102
33	24
44	12
43	44
42	36
2	133
15	68
4	117
14	59
2	116
28	36
37	19
37	33
19	49
4	98
6	93
5	82
25	36
18	36
19	68
20	24
17	41
14	33
35	36
14	47
42	24
48	36
15	32
11	32
16	21
17	39
1	98
29	35
10	68
46	10
20	36
1	93
11	68
0	90
13	70
39	53
15	63
17	36
27	16
22	19
5	86
21	36
25	40
2	84
22	36
22	45
32	44
17	36
29	22
4	70
16	24
47	44
34	41
1	84
32	44
10	44
27	19
20	24
12	59
17	47
17	59
41	21
7	59
34	36
12	20
14	33
12	36
13	47
8	44
15	19
36	22
6	68
21	36
21	13
36	23
5	55
3	68
3	47
27	44
5	21
39	19
18	36
4	54
31	14

Margin (mm)	Years the old record stood
53	102
77	126
56	67
92	91
58	90
43	102
63	102
89	51
48	98
50	102
45	98
53	102
67	68
55	32
79	53
23	84
43	35
54	68
29	102
72	32
46	53
38	98
85	53
75	21
108	41
42	98
33	44
26	9
71	41
57	43
76	36
91	39
78	31
53	36
36	36
20	84
14	84
101	36
61	36
51	36
53	36
59	36
51	9
57	41
55	36
78	9
19	123
55	19
37	78
54	36
110	24
37	36
95	24
29	36
106	22
80	41
65	30
55	24
59	36
69	24
105	19
25	36
132	24
28	24
14	93
33	36
35	19
58	19
69	19
81	19
30	87
46	19
122	24
16	87
96	22
81	19
8	103
56	12
110	19
49	36
10	101
99	14
8	96
88	12
50	19
92	24
25	19
6	116
86	11
69	19
60	13
50	13
53	59
18	122
29	68
14	93
17	93
46	41
18	49
28	36
11	84
43	19
9	93
9	102
8	98
39	12
31	19
25	44
44	63
57	59
11	117
5	102
33	24
44	12
43	44
42	36
2	133
15	68
4	117
14	59
2	116
28	36
37	19
37	33
19	49
4	98
6	93
5	82
25	36
18	36
19	68
20	24
17	41
14	33
35	36
14	47
42	24
48	36
15	32
11	32
16	21
17	39
1	98
29	35
10	68
46	10
20	36
1	93
11	68
0	90
13	70
39	53
15	63
17	36
27	16
22	19
5	86
21	36
25	40
2	84
22	36
22	45
32	44
17	36
29	22
4	70
16	24
47	44
34	41
1	84
32	44
10	44
27	19
20	24
12	59
17	47
17	59
41	21
7	59
34	36
12	20
14	33
12	36
13	47
8	44
15	19
36	22
6	68
21	36
21	13
36	23
5	55
3	68
3	47
27	44
5	21
39	19
18	36
4	54
31	14