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Built 2026-10-19 (19 October 2026)

Extreme rain in Australia, 31 July to 5 August 2021

Extreme rain in Australia, 31 July to 5 August 2021: 105 records at 101 stations, peak on 1 August 2021. Closed.

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

Key Facts

  • Extreme rain in Australia, 31 July to 5 August 2021 set or tied 105 station records at 101 stations.
  • It ran from 31 July 2021 to 5 August 2021 (6 days) and its peak day was 1 August 2021.
  • Status: closed.
  • Yankalilla set a daily record precipitation of 30.0 mm (1.2 in) on 1 August 2021.
  • The busiest day was 1 August 2021 with 61 records.
  • The oldest broken record in the ranked list had stood for 130 years.

Footprint

31 July to 5 August 2021
Footprint of Extreme rain in Australia, 31 July to 5 August 2021 The area covered by Extreme rain in Australia, 31 July to 5 August 2021 is outlined, with 20 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Australia, 31 July to 5 August 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, 31 July to 5 August 2021: stations that set records in the event
StationTypeValueDate
YankalillaRecord daily precipitation30.0 mm (1.2 in)2021-08-01
Fish Creek (Hoddle Range)Record daily precipitation39.0 mm (1.5 in)2021-08-04
Coleraine HospitalRecord daily precipitation25.0 mm (1.0 in)2021-08-02
Port Lincoln (Westmere)Record daily precipitation22.2 mm (0.9 in)2021-08-01
GamaRecord daily precipitation12.6 mm (0.5 in)2021-08-01
Tyrrell DownsRecord daily precipitation10.0 mm (0.4 in)2021-08-01
Ultima (Post Office)Record daily precipitation10.9 mm (0.4 in)2021-08-01
NinyeunookRecord daily precipitation10.2 mm (0.4 in)2021-08-01
Essendon AirportRecord daily precipitation17.2 mm (0.7 in)2021-08-01
BallanRecord daily precipitation17.0 mm (0.7 in)2021-08-01
Morrisons (Ballark)Record daily precipitation18.0 mm (0.7 in)2021-08-01
DurdidwarrahRecord daily precipitation19.0 mm (0.7 in)2021-08-01
Laverton RaafRecord daily precipitation19.0 mm (0.7 in)2021-08-01
MeredithRecord daily precipitation19.2 mm (0.8 in)2021-08-01
Ballarat AerodromeRecord daily precipitation18.4 mm (0.7 in)2021-08-01
MeringurRecord daily precipitation10.0 mm (0.4 in)2021-08-02
DimboolaRecord daily precipitation8.4 mm (0.33 in)2021-08-03
BealibaRecord daily precipitation11.6 mm (0.5 in)2021-08-03
Willaura (Main Street)Record daily precipitation14.2 mm (0.6 in)2021-08-03
OuttrimRecord daily precipitation18.0 mm (0.7 in)2021-08-04

Records per Day

Peak day 61
Records per day during Extreme rain in Australia, 31 July to 5 August 2021 Records set or tied each day from 31 July 2021 to 5 August 2021. The most in one day was 61 on 1 August 2021. 0 20 40 60 80 07-3108-0108-0208-0308-0408-05
Records set or tied each day from 31 July 2021 to 5 August 2021. The most in one day was 61 on 1 August 2021.
Records per day during Extreme rain in Australia, 31 July to 5 August 2021
DateRecords
2021-07-313
2021-08-0161
2021-08-0214
2021-08-0319
2021-08-047
2021-08-051

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Australia, 31 July to 5 August 2021 ranked by margin
Fish Creek (Hoddle Range), 08-048.5 mm (0.33 in)
Durdidwarrah, 08-018.1 mm (0.32 in)
Ballarat Aerodrome, 08-017.7 mm (0.30 in)
Meredith, 08-017.3 mm (0.29 in)
Coleraine Hospital, 08-025.4 mm (0.21 in)
Laverton Raaf, 08-014.5 mm (0.18 in)
Port Lincoln (Westmere), 08-014.4 mm (0.17 in)
Willaura (Main Street), 08-034.3 mm (0.17 in)
Yankalilla, 08-014.1 mm (0.16 in)
Essendon Airport, 08-014.0 mm (0.16 in)
Gama, 08-013.7 mm (0.15 in)
Morrisons (Ballark), 08-013.3 mm (0.13 in)
Meringur, 08-022.1 mm (0.08 in)
Bealiba, 08-031.4 mm (0.06 in)
Ninyeunook, 08-011.3 mm (0.05 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, 31 July to 5 August 2021 105 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 0481115 Margin (mm) Years the old record stood
105 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, 31 July to 5 August 2021
Margin (mm)Years the old record stood
882
4100
4114
4111
782
876
4125
986
578
1124
1108
476
576
0122
0111
0103
1130
380
288
191
376
376
467
370
846
1024
176
359
176
170
118
168
748
076
548
070
559
1031
631
548
732
138
87
251
632
820
059
159
248
156
244
448
535
059
87
162
916
444
914
148
240
532
140
044
244
716
231
520
54
424
127
324
135
224
123
132
334
232
120
612
016
26
038
320
316
220
414
211
34
124
216
112
116
024
04
116
115
119
112
38
14
14
011
04
13

Compared With Other Events

Station records per event
Station records in Extreme rain in Australia, 31 July to 5 August 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, 31 July to 5 August 2021 (this event)105 records

Every Record Set

20 of 105
Every record set or tied during Extreme rain in Australia, 31 July to 5 August 2021, in date order
DateStationRecordValueMarginYears stoodSignificance
2021-08-01YankalillaRecord daily precipitation30.0 mm (1.2 in)4.1 mm (0.16 in)12547 of 100 (Notable)
2021-08-01Port Lincoln (Westmere)Record daily precipitation22.2 mm (0.9 in)4.4 mm (0.17 in)11420 of 100 (Routine)
2021-08-01GamaRecord daily precipitation12.6 mm (0.5 in)3.7 mm (0.15 in)11120 of 100 (Routine)
2021-08-01Tyrrell DownsRecord daily precipitation10.0 mm (0.4 in)0.3 mm (0.01 in)12220 of 100 (Routine)
2021-08-01Ultima (Post Office)Record daily precipitation10.9 mm (0.4 in)0.2 mm (0.01 in)11120 of 100 (Routine)
2021-08-01NinyeunookRecord daily precipitation10.2 mm (0.4 in)1.3 mm (0.05 in)12420 of 100 (Routine)
2021-08-01Essendon AirportRecord daily precipitation17.2 mm (0.7 in)4.0 mm (0.16 in)7620 of 100 (Routine)
2021-08-01BallanRecord daily precipitation17.0 mm (0.7 in)0.5 mm (0.02 in)13020 of 100 (Routine)
2021-08-01Morrisons (Ballark)Record daily precipitation18.0 mm (0.7 in)3.3 mm (0.13 in)8020 of 100 (Routine)
2021-08-01DurdidwarrahRecord daily precipitation19.0 mm (0.7 in)8.1 mm (0.32 in)8220 of 100 (Routine)
2021-08-01Laverton RaafRecord daily precipitation19.0 mm (0.7 in)4.5 mm (0.18 in)7620 of 100 (Routine)
2021-08-01MeredithRecord daily precipitation19.2 mm (0.8 in)7.3 mm (0.29 in)8220 of 100 (Routine)
2021-08-01Ballarat AerodromeRecord daily precipitation18.4 mm (0.7 in)7.7 mm (0.30 in)7620 of 100 (Routine)
2021-08-02Coleraine HospitalRecord daily precipitation25.0 mm (1.0 in)5.4 mm (0.21 in)7845 of 100 (Notable)
2021-08-02MeringurRecord daily precipitation10.0 mm (0.4 in)2.1 mm (0.08 in)8820 of 100 (Routine)
2021-08-03DimboolaRecord daily precipitation8.4 mm (0.33 in)0.8 mm (0.03 in)10820 of 100 (Routine)
2021-08-03BealibaRecord daily precipitation11.6 mm (0.5 in)1.4 mm (0.06 in)9120 of 100 (Routine)
2021-08-03Willaura (Main Street)Record daily precipitation14.2 mm (0.6 in)4.3 mm (0.17 in)10020 of 100 (Routine)
2021-08-04Fish Creek (Hoddle Range)Record daily precipitation39.0 mm (1.5 in)8.5 mm (0.33 in)8646 of 100 (Notable)
2021-08-04OuttrimRecord daily precipitation18.0 mm (0.7 in)0.2 mm (0.01 in)10320 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 105 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.