Extreme rain in Australia, 25 April to 3 May 2023

Name: Extreme rain in Australia, 25 April to 3 May 2023
Start: 2023-04-25
End: 2023-05-03
Location: Australia

Extreme rain in Australia, 25 April to 3 May 2023: 130 records at 118 stations, peak on 30 April 2023. Closed.

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

Key Facts

Extreme rain in Australia, 25 April to 3 May 2023 set or tied 130 station records at 118 stations.
It ran from 25 April 2023 to 3 May 2023 (9 days) and its peak day was 30 April 2023.
Status: closed.
Gunning Rural Supplies set a daily record precipitation of 46.0 mm (1.8 in) on 1 May 2023.
The busiest day was 30 April 2023 with 60 records.
The oldest broken record in the ranked list had stood for 130 years.

Footprint

25 April to 3 May 2023

The area covered by Extreme rain in Australia, 25 April to 3 May 2023 is outlined, with 19 of the stations that set records marked, coloured by record type. Made with Natural Earth.

Footprint of Extreme rain in Australia, 25 April to 3 May 2023: stations that set records in the event
Station	Type	Value	Date
Gunning Rural Supplies	Record daily precipitation	46.0 mm (1.8 in)	2023-05-01
Marulan (Johnniefelds)	Record daily precipitation	77.0 mm (3.0 in)	2023-04-30
Manildra (Hazeldale)	Record daily precipitation	37.0 mm (1.5 in)	2023-04-29
Mandurama (Gallymont (Homeleig	Record daily precipitation	30.2 mm (1.2 in)	2023-04-29
Princetown	Record daily precipitation	35.8 mm (1.4 in)	2023-05-03
Manildra (George St)	Record daily precipitation	28.6 mm (1.1 in)	2023-04-29
Wombeyan Caves	Record daily precipitation	83.0 mm (3.3 in)	2023-05-01
Canberra Parliament House	Record daily precipitation	78.0 mm (3.1 in)	2023-05-01
Mandurama Post Office	Record daily precipitation	49.4 mm (1.9 in)	2023-04-29
Putty Tea Rooms	Record daily precipitation	35.2 mm (1.4 in)	2023-04-30
Trangie Research Station AWS	Record daily precipitation	26.4 mm (1.0 in)	2023-04-29
Breadalbane (Old Post Office)	Record daily precipitation	37.6 mm (1.5 in)	2023-04-29
Yass (Derringullen)	Record daily precipitation	30.7 mm (1.2 in)	2023-04-30
Lyndhurst Old Bakery	Record daily precipitation	41.6 mm (1.6 in)	2023-04-29
Goolma (Brooklyn)	Record daily precipitation	25.0 mm (1.0 in)	2023-04-30
Nimmitabel Wastewater Treatmen	Record daily precipitation	25.0 mm (1.0 in)	2023-05-01
Tottenham Post Office	Record daily precipitation	23.0 mm (0.9 in)	2023-04-29
Hermidale Tank	Record daily precipitation	11.0 mm (0.4 in)	2023-04-29
Rockley Post Office	Record daily precipitation	21.6 mm (0.9 in)	2023-04-29

Records per Day

Peak day 60

Records set or tied each day from 25 April 2023 to 3 May 2023. The most in one day was 60 on 30 April 2023.

Top Records by Margin

Margin over the record replaced

Top records of Extreme rain in Australia, 25 April to 3 May 2023 ranked by margin
Marulan (Johnniefelds), 04-30	51.5 mm (2.0 in)
Wombeyan Caves, 05-01	32.7 mm (1.3 in)
Mandurama Post Office, 04-29	31.0 mm (1.2 in)
Lyndhurst Old Bakery, 04-29	30.2 mm (1.2 in)
Putty Tea Rooms, 04-30	29.6 mm (1.2 in)
Canberra Parliament House, 05-01	27.2 mm (1.1 in)
Gunning Rural Supplies, 05-01	25.2 mm (1.0 in)
Breadalbane (Old Post Office), 04-29	20.4 mm (0.8 in)
Manildra (Hazeldale), 04-29	16.4 mm (0.6 in)
Manildra (George St), 04-29	15.9 mm (0.6 in)
Mandurama (Gallymont (Homeleig, 04-29	12.2 mm (0.5 in)
Rockley Post Office, 04-29	11.4 mm (0.4 in)
Princetown, 05-03	10.4 mm (0.4 in)
Trangie Research Station AWS, 04-29	9.9 mm (0.39 in)
Gunning Rural Supplies, 04-29	7.1 mm (0.28 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

130 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, 25 April to 3 May 2023
Margin (mm)	Years the old record stood
25	82
52	36
16	130
12	122
10	80
33	49
16	88
27	49
30	49
31	36
7	130
10	88
6	96
20	36
30	16
5	88
0	96
11	65
2	92
5	82
19	36
1	88
15	20
18	49
1	88
11	60
17	36
15	49
1	80
24	34
6	68
26	49
55	12
13	40
11	49
7	60
4	68
7	60
7	60
12	34
15	52
2	68
29	2
36	24
22	34
13	49
2	68
11	40
8	40
10	40
7	48
9	48
2	39
5	53
5	49
1	54
20	8
5	54
20	12
6	40
24	4
7	36
17	2
3	36
15	18
14	18
5	40
3	34
14	0
1	36
6	34
19	8
1	34
2	36
9	34
0	53
0	48
3	40
14	2
5	40
3	40
5	36
1	40
4	18
5	16
2	36
4	18
4	30
13	5
11	0
1	33
6	18
11	16
19	2
6	16
5	21
4	18
4	18
4	6
1	16
4	2
2	18
3	21
8	2
3	2
2	18
6	2
10	2
4	24
6	2
1	2
1	2
3	13
1	2
3	16
2	16
0	18
4	0
4	10
2	4
0	18
4	1
1	2
3	2
1	2
1	2
1	2
2	5
3	0
0	2

Compared With Other Events

Station records per event

Station records in Extreme rain in Australia, 25 April to 3 May 2023 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, 25 April to 3 May 2023 (this event)	130 records

Every Record Set

20 of 130

Every record set or tied during Extreme rain in Australia, 25 April to 3 May 2023, in date order
Date	Station	Record	Value	Margin	Years stood	Significance
2023-04-29	Manildra (Hazeldale)	Record daily precipitation	37.0 mm (1.5 in)	16.4 mm (0.6 in)	130	55 of 100 (Notable)
2023-04-29	Mandurama (Gallymont (Homeleig	Record daily precipitation	30.2 mm (1.2 in)	12.2 mm (0.5 in)	122	51 of 100 (Notable)
2023-04-29	Manildra (George St)	Record daily precipitation	28.6 mm (1.1 in)	15.9 mm (0.6 in)	88	49 of 100 (Notable)
2023-04-29	Mandurama Post Office	Record daily precipitation	49.4 mm (1.9 in)	31.0 mm (1.2 in)	36	46 of 100 (Notable)
2023-04-29	Gunning Rural Supplies	Record daily precipitation	30.0 mm (1.2 in)	7.1 mm (0.28 in)	130	46 of 100 (Notable)
2023-04-29	Trangie Research Station AWS	Record daily precipitation	26.4 mm (1.0 in)	9.9 mm (0.39 in)	88	43 of 100 (Notable)
2023-04-29	Breadalbane (Old Post Office)	Record daily precipitation	37.6 mm (1.5 in)	20.4 mm (0.8 in)	36	43 of 100 (Notable)
2023-04-29	Lyndhurst Old Bakery	Record daily precipitation	41.6 mm (1.6 in)	30.2 mm (1.2 in)	16	41 of 100 (Notable)
2023-04-29	Tottenham Post Office	Record daily precipitation	23.0 mm (0.9 in)	5.0 mm (0.20 in)	88	20 of 100 (Routine)
2023-04-29	Hermidale Tank	Record daily precipitation	11.0 mm (0.4 in)	2.1 mm (0.08 in)	92	20 of 100 (Routine)
2023-04-29	Rockley Post Office	Record daily precipitation	21.6 mm (0.9 in)	11.4 mm (0.4 in)	65	20 of 100 (Routine)
2023-04-30	Marulan (Johnniefelds)	Record daily precipitation	77.0 mm (3.0 in)	51.5 mm (2.0 in)	36	56 of 100 (Notable)
2023-04-30	Putty Tea Rooms	Record daily precipitation	35.2 mm (1.4 in)	29.6 mm (1.2 in)	49	46 of 100 (Notable)
2023-04-30	Yass (Derringullen)	Record daily precipitation	30.7 mm (1.2 in)	5.6 mm (0.22 in)	96	43 of 100 (Notable)
2023-04-30	Goolma (Brooklyn)	Record daily precipitation	25.0 mm (1.0 in)	0.4 mm (0.02 in)	96	39 of 100 (Notable)
2023-05-01	Gunning Rural Supplies	Record daily precipitation	46.0 mm (1.8 in)	25.2 mm (1.0 in)	82	59 of 100 (Notable)
2023-05-01	Wombeyan Caves	Record daily precipitation	83.0 mm (3.3 in)	32.7 mm (1.3 in)	49	49 of 100 (Notable)
2023-05-01	Canberra Parliament House	Record daily precipitation	78.0 mm (3.1 in)	27.2 mm (1.1 in)	49	47 of 100 (Notable)
2023-05-01	Nimmitabel Wastewater Treatmen	Record daily precipitation	25.0 mm (1.0 in)	4.7 mm (0.19 in)	82	38 of 100 (Notable)
2023-05-03	Princetown	Record daily precipitation	35.8 mm (1.4 in)	10.4 mm (0.4 in)	80	50 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 130 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
2023-04-25	1
2023-04-26	1
2023-04-27	1
2023-04-28	2
2023-04-29	40
2023-04-30	60
2023-05-01	19
2023-05-02	1
2023-05-03	5

Margin (mm)	Years the old record stood
25	82
52	36
16	130
12	122
10	80
33	49
16	88
27	49
30	49
31	36
7	130
10	88
6	96
20	36
30	16
5	88
0	96
11	65
2	92
5	82
19	36
1	88
15	20
18	49
1	88
11	60
17	36
15	49
1	80
24	34
6	68
26	49
55	12
13	40
11	49
7	60
4	68
7	60
7	60
12	34
15	52
2	68
29	2
36	24
22	34
13	49
2	68
11	40
8	40
10	40
7	48
9	48
2	39
5	53
5	49
1	54
20	8
5	54
20	12
6	40
24	4
7	36
17	2
3	36
15	18
14	18
5	40
3	34
14	0
1	36
6	34
19	8
1	34
2	36
9	34
0	53
0	48
3	40
14	2
5	40
3	40
5	36
1	40
4	18
5	16
2	36
4	18
4	30
13	5
11	0
1	33
6	18
11	16
19	2
6	16
5	21
4	18
4	18
4	6
1	16
4	2
2	18
3	21
8	2
3	2
2	18
6	2
10	2
4	24
6	2
1	2
1	2
3	13
1	2
3	16
2	16
0	18
4	0
4	10
2	4
0	18
4	1
1	2
3	2
1	2
1	2
1	2
2	5
3	0
0	2

Margin (mm)	Years the old record stood
25	82
52	36
16	130
12	122
10	80
33	49
16	88
27	49
30	49
31	36
7	130
10	88
6	96
20	36
30	16
5	88
0	96
11	65
2	92
5	82
19	36
1	88
15	20
18	49
1	88
11	60
17	36
15	49
1	80
24	34
6	68
26	49
55	12
13	40
11	49
7	60
4	68
7	60
7	60
12	34
15	52
2	68
29	2
36	24
22	34
13	49
2	68
11	40
8	40
10	40
7	48
9	48
2	39
5	53
5	49
1	54
20	8
5	54
20	12
6	40
24	4
7	36
17	2
3	36
15	18
14	18
5	40
3	34
14	0
1	36
6	34
19	8
1	34
2	36
9	34
0	53
0	48
3	40
14	2
5	40
3	40
5	36
1	40
4	18
5	16
2	36
4	18
4	30
13	5
11	0
1	33
6	18
11	16
19	2
6	16
5	21
4	18
4	18
4	6
1	16
4	2
2	18
3	21
8	2
3	2
2	18
6	2
10	2
4	24
6	2
1	2
1	2
3	13
1	2
3	16
2	16
0	18
4	0
4	10
2	4
0	18
4	1
1	2
3	2
1	2
1	2
1	2
2	5
3	0
0	2

Margin (mm)	Years the old record stood
25	82
52	36
16	130
12	122
10	80
33	49
16	88
27	49
30	49
31	36
7	130
10	88
6	96
20	36
30	16
5	88
0	96
11	65
2	92
5	82
19	36
1	88
15	20
18	49
1	88
11	60
17	36
15	49
1	80
24	34
6	68
26	49
55	12
13	40
11	49
7	60
4	68
7	60
7	60
12	34
15	52
2	68
29	2
36	24
22	34
13	49
2	68
11	40
8	40
10	40
7	48
9	48
2	39
5	53
5	49
1	54
20	8
5	54
20	12
6	40
24	4
7	36
17	2
3	36
15	18
14	18
5	40
3	34
14	0
1	36
6	34
19	8
1	34
2	36
9	34
0	53
0	48
3	40
14	2
5	40
3	40
5	36
1	40
4	18
5	16
2	36
4	18
4	30
13	5
11	0
1	33
6	18
11	16
19	2
6	16
5	21
4	18
4	18
4	6
1	16
4	2
2	18
3	21
8	2
3	2
2	18
6	2
10	2
4	24
6	2
1	2
1	2
3	13
1	2
3	16
2	16
0	18
4	0
4	10
2	4
0	18
4	1
1	2
3	2
1	2
1	2
1	2
2	5
3	0
0	2