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Data as of 2026-10-17
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Built 2026-10-19 (19 October 2026)

Extreme rain in Australia, 4 to 8 May 2021

Extreme rain in Australia, 4 to 8 May 2021: 204 records at 156 stations, peak on 7 May 2021. Closed.

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

Key Facts

  • Extreme rain in Australia, 4 to 8 May 2021 set or tied 204 station records at 156 stations.
  • It ran from 4 May 2021 to 8 May 2021 (5 days) and its peak day was 7 May 2021.
  • Status: closed.
  • Mittagong (Beatrice Street) set a daily record precipitation of 80.4 mm (3.2 in) on 7 May 2021.
  • The busiest day was 7 May 2021 with 61 records.
  • The oldest broken record in the ranked list had stood for 146 years.

Footprint

4 to 8 May 2021
Footprint of Extreme rain in Australia, 4 to 8 May 2021 The area covered by Extreme rain in Australia, 4 to 8 May 2021 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Australia, 4 to 8 May 2021 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 8 May 2021: stations that set records in the event
StationTypeValueDate
Mittagong (Beatrice Street)Record daily precipitation80.4 mm (3.2 in)2021-05-07
Bundanoon Bowling ClubRecord daily precipitation137.2 mm (5.4 in)2021-05-07
Moss Vale (Hoskins Street)Record daily precipitation93.2 mm (3.7 in)2021-05-07
EnsayRecord daily precipitation67.0 mm (2.6 in)2021-05-05
Cawdor (Woodburn)Record daily precipitation60.4 mm (2.4 in)2021-05-07
Candelo Post OfficeRecord daily precipitation140.0 mm (5.5 in)2021-05-05
Greenwell Point Bowling ClubRecord daily precipitation77.0 mm (3.0 in)2021-05-07
Katoomba (Murri St)Record daily precipitation81.0 mm (3.2 in)2021-05-07
Nowra Ran Air Station AWSRecord daily precipitation75.8 mm (3.0 in)2021-05-07
Krambach (Bellevue)Record daily precipitation72.0 mm (2.8 in)2021-05-05
Nimmitabel (Cottesloe)Record daily precipitation71.4 mm (2.8 in)2021-05-05
Brogo (Hawks Head Road)Record daily precipitation91.4 mm (3.6 in)2021-05-05
Grafton Research STNRecord daily precipitation39.6 mm (1.6 in)2021-05-06
Nelligen (Thule Road)Record daily precipitation89.4 mm (3.5 in)2021-05-06
Brogo (Blanchards Road)Record daily precipitation98.0 mm (3.9 in)2021-05-05
Cooma Airport AWSRecord daily precipitation29.4 mm (1.2 in)2021-05-05
Kioloa Old Post OfficeRecord daily precipitation134.0 mm (5.3 in)2021-05-06
Douglas Park ( St. Marys TowerRecord daily precipitation51.6 mm (2.0 in)2021-05-07
Robertson (the Pie Shop)Record daily precipitation146.8 mm (5.8 in)2021-05-07
Cooma (Kiaora)Record daily precipitation21.4 mm (0.8 in)2021-05-05

Records per Day

Peak day 61
Records per day during Extreme rain in Australia, 4 to 8 May 2021 Records set or tied each day from 4 May 2021 to 8 May 2021. The most in one day was 61 on 7 May 2021. 0 20 40 60 80 05-0405-0505-0605-0705-08
Records set or tied each day from 4 May 2021 to 8 May 2021. The most in one day was 61 on 7 May 2021.
Records per day during Extreme rain in Australia, 4 to 8 May 2021
DateRecords
2021-05-0433
2021-05-0558
2021-05-0647
2021-05-0761
2021-05-085

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Australia, 4 to 8 May 2021 ranked by margin
Robertson (the Pie Shop), 05-07130.0 mm (5.1 in)
Bundanoon Bowling Club, 05-0797.1 mm (3.8 in)
Brogo (Blanchards Road), 05-0584.4 mm (3.3 in)
Brogo (Hawks Head Road), 05-0575.4 mm (3.0 in)
Kioloa Old Post Office, 05-0675.4 mm (3.0 in)
Nimmitabel (Cottesloe), 05-0564.4 mm (2.5 in)
Mittagong (Beatrice Street), 05-0756.3 mm (2.2 in)
Moss Vale (Hoskins Street), 05-0755.1 mm (2.2 in)
Greenwell Point Bowling Club, 05-0751.1 mm (2.0 in)
Nowra Ran Air Station AWS, 05-0750.9 mm (2.0 in)
Candelo Post Office, 05-0549.8 mm (2.0 in)
Cawdor (Woodburn), 05-0740.1 mm (1.6 in)
Douglas Park ( St. Marys Tower, 05-0739.6 mm (1.6 in)
Nelligen (Thule Road), 05-0638.6 mm (1.5 in)
Ensay, 05-0529.9 mm (1.2 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

Margin against age of the broken record in Extreme rain in Australia, 4 to 8 May 2021 204 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. 0 38 75 113 150 03875113150 Margin (mm) Years the old record stood
204 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 8 May 2021
Margin (mm)Years the old record stood
56118
9768
5568
3068
4058
5068
5158
12107
26106
5132
22106
6432
7520
2196
39100
4042
13026
7524
8420
2223
3156
11146
11316
7104
4136
1494
7106
11108
4168
6137
1750
14122
6102
4416
5118
1168
5102
4104
3104
2642
4124
2450
1168
2104
2108
1102
4924
496
3726
3236
1455
4136
2136
2536
2842
1530
3436
1468
3054
2934
3424
2942
1058
2836
646
1723
279
2636
1536
1936
2523
1456
772
1355
302
1536
079
1256
272
958
157
5424
2623
468
1536
1920
072
560
268
168
168
2023
2320
1824
362
1823
1932
2424
1642
2032
1136
142
642
642
1323
1052
958
633
640
462
1842
558
1524
936
2424
1924
924
1311
1514
1320
356
742
1242
2024
183
142
942
831
1042
842
838
2124
1220
338
142
1026
336
720
342
436
342
1036
932
342
1523
542
626
536
636
536
1324
1311
523
342
244
623
136
236
620
432
620
323
620
039
238
723
523
623
332
032
123
524
332
720
020
232
426
710
140
423
223
326
520
224
320
320
120
420
032
223
423
724
218
227
224
220
423
102
120
53

Compared With Other Events

Station records per event
Station records in Extreme rain in Australia, 4 to 8 May 2021 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 20192,223 records
Extreme rain in United States, 3 to 19 January 20242,133 records
Extreme rain in Australia, 7 to 26 March 20212,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 20181,970 records
Extreme rain in United States, 19 December 2022 to 13 January 20231,941 records
Extreme rain in Australia, 4 to 8 May 2021 (this event)204 records

Every Record Set

20 of 204
Every record set or tied during Extreme rain in Australia, 4 to 8 May 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-05-05EnsayRecord daily precipitation67.0 mm (2.6 in)29.9 mm (1.2 in)6864 of 100 (Major)
2021-05-05Candelo Post OfficeRecord daily precipitation140.0 mm (5.5 in)49.8 mm (2.0 in)6858 of 100 (Notable)
2021-05-05Krambach (Bellevue)Record daily precipitation72.0 mm (2.8 in)21.7 mm (0.9 in)10654 of 100 (Notable)
2021-05-05Nimmitabel (Cottesloe)Record daily precipitation71.4 mm (2.8 in)64.4 mm (2.5 in)3254 of 100 (Notable)
2021-05-05Brogo (Hawks Head Road)Record daily precipitation91.4 mm (3.6 in)75.4 mm (3.0 in)2052 of 100 (Notable)
2021-05-05Brogo (Blanchards Road)Record daily precipitation98.0 mm (3.9 in)84.4 mm (3.3 in)2050 of 100 (Notable)
2021-05-05Cooma Airport AWSRecord daily precipitation29.4 mm (1.2 in)22.4 mm (0.9 in)2350 of 100 (Notable)
2021-05-05Cooma (Kiaora)Record daily precipitation21.4 mm (0.8 in)11.5 mm (0.5 in)10720 of 100 (Routine)
2021-05-06Grafton Research STNRecord daily precipitation39.6 mm (1.6 in)21.1 mm (0.8 in)9651 of 100 (Notable)
2021-05-06Nelligen (Thule Road)Record daily precipitation89.4 mm (3.5 in)38.6 mm (1.5 in)10051 of 100 (Notable)
2021-05-06Kioloa Old Post OfficeRecord daily precipitation134.0 mm (5.3 in)75.4 mm (3.0 in)2450 of 100 (Notable)
2021-05-07Mittagong (Beatrice Street)Record daily precipitation80.4 mm (3.2 in)56.3 mm (2.2 in)11875 of 100 (Major)
2021-05-07Bundanoon Bowling ClubRecord daily precipitation137.2 mm (5.4 in)97.1 mm (3.8 in)6870 of 100 (Major)
2021-05-07Moss Vale (Hoskins Street)Record daily precipitation93.2 mm (3.7 in)55.1 mm (2.2 in)6868 of 100 (Major)
2021-05-07Cawdor (Woodburn)Record daily precipitation60.4 mm (2.4 in)40.1 mm (1.6 in)5860 of 100 (Major)
2021-05-07Greenwell Point Bowling ClubRecord daily precipitation77.0 mm (3.0 in)51.1 mm (2.0 in)5857 of 100 (Notable)
2021-05-07Katoomba (Murri St)Record daily precipitation81.0 mm (3.2 in)25.6 mm (1.0 in)10655 of 100 (Notable)
2021-05-07Nowra Ran Air Station AWSRecord daily precipitation75.8 mm (3.0 in)50.9 mm (2.0 in)3255 of 100 (Notable)
2021-05-07Douglas Park ( St. Marys TowerRecord daily precipitation51.6 mm (2.0 in)39.6 mm (1.6 in)4250 of 100 (Notable)
2021-05-07Robertson (the Pie Shop)Record daily precipitation146.8 mm (5.8 in)130.0 mm (5.1 in)2650 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 204 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.