Extreme rain in Australia, 5 to 18 January 2018

Name: Extreme rain in Australia, 5 to 18 January 2018
Start: 2018-01-05
End: 2018-01-18
Location: Australia

Extreme rain in Australia, 5 to 18 January 2018: 485 records at 382 stations, peak on 16 January 2018. Closed.

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

Key Facts

Extreme rain in Australia, 5 to 18 January 2018 set or tied 485 station records at 382 stations.
It ran from 5 January 2018 to 18 January 2018 (14 days) and its peak day was 16 January 2018.
Status: closed.
Midland set a monthly record daily precipitation of 73.2 mm (2.9 in) on 17 January 2018.
The busiest day was 16 January 2018 with 168 records.
The oldest broken record in the ranked list had stood for 115 years.

Footprint

5 to 18 January 2018

The area covered by Extreme rain in Australia, 5 to 18 January 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, 5 to 18 January 2018: stations that set records in the event
Station	Type	Value	Date
Midland	Record daily precipitation	73.2 mm (2.9 in)	2018-01-17
Warrawagine	Record daily precipitation	113.0 mm (4.4 in)	2018-01-13
Gabyon	Record daily precipitation	94.0 mm (3.7 in)	2018-01-15
Yuin	Record daily precipitation	79.0 mm (3.1 in)	2018-01-15
Byro	Record daily precipitation	137.0 mm (5.4 in)	2018-01-16
Darkan	Record daily precipitation	77.4 mm (3.0 in)	2018-01-16
Williams	Record daily precipitation	52.8 mm (2.1 in)	2018-01-16
Mingenew	Record daily precipitation	53.6 mm (2.1 in)	2018-01-15
Mullewa	Record daily precipitation	44.6 mm (1.8 in)	2018-01-15
Wannamal	Record daily precipitation	50.0 mm (2.0 in)	2018-01-16
Bannister	Record daily precipitation	108.2 mm (4.3 in)	2018-01-16
Busselton Shire	Record daily precipitation	46.6 mm (1.8 in)	2018-01-16
Hillcroft	Record daily precipitation	56.0 mm (2.2 in)	2018-01-16
Wonnaminta	Record daily precipitation	69.4 mm (2.7 in)	2018-01-16
Collie	Record daily precipitation	60.4 mm (2.4 in)	2018-01-16
Armadale	Record daily precipitation	102.8 mm (4.0 in)	2018-01-16
Jarrahdale	Record daily precipitation	125.2 mm (4.9 in)	2018-01-16
Boyup Brook	Record daily precipitation	41.0 mm (1.6 in)	2018-01-16
Mumby	Record daily precipitation	41.0 mm (1.6 in)	2018-01-15
Wallal Downs	Record daily precipitation	110.0 mm (4.3 in)	2018-01-16

Records per Day

Peak day 168

Records set or tied each day from 5 January 2018 to 18 January 2018. The most in one day was 168 on 16 January 2018.

Records per day during Extreme rain in Australia, 5 to 18 January 2018
Date	Records
2018-01-05	2
2018-01-06	5
2018-01-07	2
2018-01-08	7
2018-01-09	10
2018-01-10	5
2018-01-11	3
2018-01-12	13
2018-01-13	24
2018-01-14	29
2018-01-15	105
2018-01-16	168
2018-01-17	87
2018-01-18	25

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 5 to 18 January 2018 ranked by margin
Byro, 01-16	113.6 mm (4.5 in)
Bannister, 01-16	104.1 mm (4.1 in)
Wallal Downs, 01-16	81.8 mm (3.2 in)
Gabyon, 01-15	78.5 mm (3.1 in)
Warrawagine, 01-13	73.9 mm (2.9 in)
Jarrahdale, 01-16	67.0 mm (2.6 in)
Yuin, 01-15	66.6 mm (2.6 in)
Darkan, 01-16	65.5 mm (2.6 in)
Wonnaminta, 01-16	61.8 mm (2.4 in)
Hillcroft, 01-16	53.2 mm (2.1 in)
Armadale, 01-16	53.2 mm (2.1 in)
Williams, 01-16	47.2 mm (1.9 in)
Collie, 01-16	44.4 mm (1.7 in)
Mingenew, 01-15	40.9 mm (1.6 in)
Wannamal, 01-16	38.3 mm (1.5 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

485 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, 5 to 18 January 2018
Margin (mm)	Years the old record stood
22	103
74	111
79	111
67	103
114	103
66	103
47	103
41	103
29	103
38	96
104	84
37	84
53	84
62	84
44	84
53	35
67	35
35	84
82	104
37	104
26	103
32	84
32	84
45	103
32	92
34	30
43	59
42	107
108	51
32	66
42	84
20	103
26	55
21	104
30	92
37	84
30	67
18	103
23	103
34	18
36	84
117	40
39	80
37	40
27	92
44	84
46	92
50	5
44	84
47	36
27	84
61	17
43	35
30	84
31	67
29	27
48	87
29	17
49	17
24	84
24	95
30	84
41	44
5	78
54	58
22	103
44	36
34	15
50	0
67	18
33	67
61	18
59	18
69	18
63	18
49	55
109	48
35	111
20	55
22	84
16	103
3	101
15	35
16	87
44	23
16	92
52	30
24	46
64	18
57	63
86	6
38	67
32	40
15	53
13	84
44	18
25	84
32	84
54	36
49	16
49	28
11	111
21	67
17	92
42	16
34	18
21	84
14	104
45	18
34	59
26	76
25	16
81	18
19	76
82	18
15	84
37	36
34	28
12	84
32	40
72	27
43	2
9	104
8	103
32	23
24	48
25	35
11	100
8	103
12	84
9	84
34	18
12	84
16	84
7	104
16	95
11	92
27	55
20	5
49	18
54	18
25	18
17	84
27	60
8	103
37	63
6	100
53	32
13	27
4	103
43	18
58	20
23	40
16	80
13	84
10	84
55	18
14	80
35	63
7	92
3	30
8	92
3	111
9	84
10	84
48	63
3	104
2	65
5	63
18	76
2	100
2	104
14	83
1	103
1	103
1	110
8	84
12	35
0	103
26	18
17	0
15	67
9	86
0	115
15	78
15	76
36	36
14	40
6	49
29	16
28	47
25	18
10	78
28	55
2	94
7	76
5	50
9	67
12	67
14	35

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 5 to 18 January 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, 5 to 18 January 2018 (this event)	485 records

Every Record Set

20 of 485

Every record set or tied during Extreme rain in Australia, 5 to 18 January 2018, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2018-01-13	Warrawagine	Record daily precipitation	113.0 mm (4.4 in)	73.9 mm (2.9 in)	111	80 of 100 (Exceptional)
2018-01-15	Gabyon	Record daily precipitation	94.0 mm (3.7 in)	78.5 mm (3.1 in)	111	80 of 100 (Exceptional)
2018-01-15	Yuin	Record daily precipitation	79.0 mm (3.1 in)	66.6 mm (2.6 in)	103	80 of 100 (Exceptional)
2018-01-15	Mingenew	Record daily precipitation	53.6 mm (2.1 in)	40.9 mm (1.6 in)	103	78 of 100 (Major)
2018-01-15	Mullewa	Record daily precipitation	44.6 mm (1.8 in)	28.9 mm (1.1 in)	103	75 of 100 (Major)
2018-01-15	Mumby	Record daily precipitation	41.0 mm (1.6 in)	36.9 mm (1.5 in)	104	69 of 100 (Major)
2018-01-16	Byro	Record daily precipitation	137.0 mm (5.4 in)	113.6 mm (4.5 in)	103	80 of 100 (Exceptional)
2018-01-16	Darkan	Record daily precipitation	77.4 mm (3.0 in)	65.5 mm (2.6 in)	103	80 of 100 (Exceptional)
2018-01-16	Williams	Record daily precipitation	52.8 mm (2.1 in)	47.2 mm (1.9 in)	103	79 of 100 (Major)
2018-01-16	Wannamal	Record daily precipitation	50.0 mm (2.0 in)	38.3 mm (1.5 in)	96	75 of 100 (Major)
2018-01-16	Bannister	Record daily precipitation	108.2 mm (4.3 in)	104.1 mm (4.1 in)	84	75 of 100 (Major)
2018-01-16	Busselton Shire	Record daily precipitation	46.6 mm (1.8 in)	37.2 mm (1.5 in)	84	75 of 100 (Major)
2018-01-16	Hillcroft	Record daily precipitation	56.0 mm (2.2 in)	53.2 mm (2.1 in)	84	75 of 100 (Major)
2018-01-16	Wonnaminta	Record daily precipitation	69.4 mm (2.7 in)	61.8 mm (2.4 in)	84	75 of 100 (Major)
2018-01-16	Collie	Record daily precipitation	60.4 mm (2.4 in)	44.4 mm (1.7 in)	84	71 of 100 (Major)
2018-01-16	Armadale	Record daily precipitation	102.8 mm (4.0 in)	53.2 mm (2.1 in)	35	70 of 100 (Major)
2018-01-16	Jarrahdale	Record daily precipitation	125.2 mm (4.9 in)	67.0 mm (2.6 in)	35	70 of 100 (Major)
2018-01-16	Boyup Brook	Record daily precipitation	41.0 mm (1.6 in)	34.9 mm (1.4 in)	84	70 of 100 (Major)
2018-01-16	Wallal Downs	Record daily precipitation	110.0 mm (4.3 in)	81.8 mm (3.2 in)	104	69 of 100 (Major)
2018-01-17	Midland	Record daily precipitation	73.2 mm (2.9 in)	22.4 mm (0.9 in)	103	81 of 100 (Exceptional)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 485 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
22	103
74	111
79	111
67	103
114	103
66	103
47	103
41	103
29	103
38	96
104	84
37	84
53	84
62	84
44	84
53	35
67	35
35	84
82	104
37	104
26	103
32	84
32	84
45	103
32	92
34	30
43	59
42	107
108	51
32	66
42	84
20	103
26	55
21	104
30	92
37	84
30	67
18	103
23	103
34	18
36	84
117	40
39	80
37	40
27	92
44	84
46	92
50	5
44	84
47	36
27	84
61	17
43	35
30	84
31	67
29	27
48	87
29	17
49	17
24	84
24	95
30	84
41	44
5	78
54	58
22	103
44	36
34	15
50	0
67	18
33	67
61	18
59	18
69	18
63	18
49	55
109	48
35	111
20	55
22	84
16	103
3	101
15	35
16	87
44	23
16	92
52	30
24	46
64	18
57	63
86	6
38	67
32	40
15	53
13	84
44	18
25	84
32	84
54	36
49	16
49	28
11	111
21	67
17	92
42	16
34	18
21	84
14	104
45	18
34	59
26	76
25	16
81	18
19	76
82	18
15	84
37	36
34	28
12	84
32	40
72	27
43	2
9	104
8	103
32	23
24	48
25	35
11	100
8	103
12	84
9	84
34	18
12	84
16	84
7	104
16	95
11	92
27	55
20	5
49	18
54	18
25	18
17	84
27	60
8	103
37	63
6	100
53	32
13	27
4	103
43	18
58	20
23	40
16	80
13	84
10	84
55	18
14	80
35	63
7	92
3	30
8	92
3	111
9	84
10	84
48	63
3	104
2	65
5	63
18	76
2	100
2	104
14	83
1	103
1	103
1	110
8	84
12	35
0	103
26	18
17	0
15	67
9	86
0	115
15	78
15	76
36	36
14	40
6	49
29	16
28	47
25	18
10	78
28	55
2	94
7	76
5	50
9	67
12	67
14	35

Margin (mm)	Years the old record stood
22	103
74	111
79	111
67	103
114	103
66	103
47	103
41	103
29	103
38	96
104	84
37	84
53	84
62	84
44	84
53	35
67	35
35	84
82	104
37	104
26	103
32	84
32	84
45	103
32	92
34	30
43	59
42	107
108	51
32	66
42	84
20	103
26	55
21	104
30	92
37	84
30	67
18	103
23	103
34	18
36	84
117	40
39	80
37	40
27	92
44	84
46	92
50	5
44	84
47	36
27	84
61	17
43	35
30	84
31	67
29	27
48	87
29	17
49	17
24	84
24	95
30	84
41	44
5	78
54	58
22	103
44	36
34	15
50	0
67	18
33	67
61	18
59	18
69	18
63	18
49	55
109	48
35	111
20	55
22	84
16	103
3	101
15	35
16	87
44	23
16	92
52	30
24	46
64	18
57	63
86	6
38	67
32	40
15	53
13	84
44	18
25	84
32	84
54	36
49	16
49	28
11	111
21	67
17	92
42	16
34	18
21	84
14	104
45	18
34	59
26	76
25	16
81	18
19	76
82	18
15	84
37	36
34	28
12	84
32	40
72	27
43	2
9	104
8	103
32	23
24	48
25	35
11	100
8	103
12	84
9	84
34	18
12	84
16	84
7	104
16	95
11	92
27	55
20	5
49	18
54	18
25	18
17	84
27	60
8	103
37	63
6	100
53	32
13	27
4	103
43	18
58	20
23	40
16	80
13	84
10	84
55	18
14	80
35	63
7	92
3	30
8	92
3	111
9	84
10	84
48	63
3	104
2	65
5	63
18	76
2	100
2	104
14	83
1	103
1	103
1	110
8	84
12	35
0	103
26	18
17	0
15	67
9	86
0	115
15	78
15	76
36	36
14	40
6	49
29	16
28	47
25	18
10	78
28	55
2	94
7	76
5	50
9	67
12	67
14	35

Margin (mm)	Years the old record stood
22	103
74	111
79	111
67	103
114	103
66	103
47	103
41	103
29	103
38	96
104	84
37	84
53	84
62	84
44	84
53	35
67	35
35	84
82	104
37	104
26	103
32	84
32	84
45	103
32	92
34	30
43	59
42	107
108	51
32	66
42	84
20	103
26	55
21	104
30	92
37	84
30	67
18	103
23	103
34	18
36	84
117	40
39	80
37	40
27	92
44	84
46	92
50	5
44	84
47	36
27	84
61	17
43	35
30	84
31	67
29	27
48	87
29	17
49	17
24	84
24	95
30	84
41	44
5	78
54	58
22	103
44	36
34	15
50	0
67	18
33	67
61	18
59	18
69	18
63	18
49	55
109	48
35	111
20	55
22	84
16	103
3	101
15	35
16	87
44	23
16	92
52	30
24	46
64	18
57	63
86	6
38	67
32	40
15	53
13	84
44	18
25	84
32	84
54	36
49	16
49	28
11	111
21	67
17	92
42	16
34	18
21	84
14	104
45	18
34	59
26	76
25	16
81	18
19	76
82	18
15	84
37	36
34	28
12	84
32	40
72	27
43	2
9	104
8	103
32	23
24	48
25	35
11	100
8	103
12	84
9	84
34	18
12	84
16	84
7	104
16	95
11	92
27	55
20	5
49	18
54	18
25	18
17	84
27	60
8	103
37	63
6	100
53	32
13	27
4	103
43	18
58	20
23	40
16	80
13	84
10	84
55	18
14	80
35	63
7	92
3	30
8	92
3	111
9	84
10	84
48	63
3	104
2	65
5	63
18	76
2	100
2	104
14	83
1	103
1	103
1	110
8	84
12	35
0	103
26	18
17	0
15	67
9	86
0	115
15	78
15	76
36	36
14	40
6	49
29	16
28	47
25	18
10	78
28	55
2	94
7	76
5	50
9	67
12	67
14	35