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Extreme rain in Australia, 29 September to 6 October 2018

Extreme rain in Australia, 29 September to 6 October 2018: 111 records at 97 stations, peak on 5 October 2018. Closed.

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

Key Facts

  • Extreme rain in Australia, 29 September to 6 October 2018 set or tied 111 station records at 97 stations.
  • It ran from 29 September 2018 to 6 October 2018 (8 days) and its peak day was 5 October 2018.
  • Status: closed.
  • Noongaar set a daily record precipitation of 26.0 mm (1.0 in) on 5 October 2018.
  • The busiest day was 5 October 2018 with 47 records.
  • The oldest broken record in the ranked list had stood for 103 years.

Footprint

29 September to 6 October 2018
Footprint of Extreme rain in Australia, 29 September to 6 October 2018 The area covered by Extreme rain in Australia, 29 September to 6 October 2018 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Australia, 29 September to 6 October 2018 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, 29 September to 6 October 2018: stations that set records in the event
StationTypeValueDate
NoongaarRecord daily precipitation26.0 mm (1.0 in)2018-10-05
YooroogaRecord daily precipitation31.0 mm (1.2 in)2018-10-01
WialkiRecord daily precipitation39.4 mm (1.6 in)2018-10-01
EdaggeeRecord daily precipitation3.0 mm (0.12 in)2018-09-30
TamalaRecord daily precipitation23.0 mm (0.9 in)2018-09-30
MumbyRecord daily precipitation15.0 mm (0.6 in)2018-09-30
RavensthorpeRecord daily precipitation17.6 mm (0.7 in)2018-10-01
BunkinRecord daily precipitation11.2 mm (0.4 in)2018-10-02
St AlbansRecord daily precipitation13.0 mm (0.5 in)2018-10-03
West Lort RiverRecord daily precipitation23.0 mm (0.9 in)2018-10-05
Wialki SouthRecord daily precipitation10.0 mm (0.4 in)2018-10-05
BrooktonRecord daily precipitation15.8 mm (0.6 in)2018-10-05
PingellyRecord daily precipitation14.8 mm (0.6 in)2018-10-05
AvocaRecord daily precipitation9.4 mm (0.37 in)2018-10-05
Kalgoorlie-Boulder AirportRecord daily precipitation23.2 mm (0.9 in)2018-10-05
Salmon Gums Res.STN.Record daily precipitation17.4 mm (0.7 in)2018-10-05
I DunnoRecord daily precipitation24.0 mm (0.9 in)2018-10-05
MelroseRecord daily precipitation24.0 mm (0.9 in)2018-10-05
Dalyup ParkRecord daily precipitation15.8 mm (0.6 in)2018-10-06

Records per Day

Peak day 47
Records per day during Extreme rain in Australia, 29 September to 6 October 2018 Records set or tied each day from 29 September 2018 to 6 October 2018. The most in one day was 47 on 5 October 2018. 0 13 25 38 50 09-2909-3010-0110-0210-0310-0410-0510-06
Records set or tied each day from 29 September 2018 to 6 October 2018. The most in one day was 47 on 5 October 2018.
Records per day during Extreme rain in Australia, 29 September to 6 October 2018
DateRecords
2018-09-291
2018-09-3010
2018-10-0122
2018-10-0211
2018-10-033
2018-10-0412
2018-10-0547
2018-10-065

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Australia, 29 September to 6 October 2018 ranked by margin
Melrose, 10-0521.0 mm (0.8 in)
Kalgoorlie-Boulder Airport, 10-0520.4 mm (0.8 in)
West Lort River, 10-0520.0 mm (0.8 in)
Yoorooga, 10-0119.0 mm (0.7 in)
Noongaar, 10-0518.1 mm (0.7 in)
I Dunno, 10-0517.6 mm (0.7 in)
Tamala, 09-3015.6 mm (0.6 in)
Salmon Gums Res.STN., 10-059.5 mm (0.37 in)
Ravensthorpe, 10-017.2 mm (0.28 in)
Wialki South, 10-056.2 mm (0.24 in)
Mumby, 09-306.1 mm (0.24 in)
Wialki, 10-056.1 mm (0.24 in)
Wialki, 10-013.8 mm (0.15 in)
Bunkin, 10-023.6 mm (0.14 in)
Avoca, 10-053.3 mm (0.13 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, 29 September to 6 October 2018 111 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 30 60 90 120 06131925 Margin (mm) Years the old record stood
111 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, 29 September to 6 October 2018
Margin (mm)Years the old record stood
2180
1860
2053
1860
7100
168
1079
2037
3103
681
399
493
1101
1101
1915
299
442
649
653
379
760
1133
371
188
836
376
276
1028
832
815
553
1527
179
184
836
647
268
463
547
447
644
447
732
88
440
253
828
1024
639
1012
443
636
524
148
147
349
432
351
516
109
248
148
1024
232
052
527
712
141
036
236
132
224
443
825
615
032
1012
033
116
427
227
124
28
324
433
136
024
515
136
415
420
74
79
125
59
027
224
59
19
028
44
128
315
20
17
39
10
28
112
19
11

Compared With Other Events

Station records per event
Station records in Extreme rain in Australia, 29 September to 6 October 2018 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, 29 September to 6 October 2018 (this event)111 records

Every Record Set

20 of 111
Every record set or tied during Extreme rain in Australia, 29 September to 6 October 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-09-30EdaggeeRecord daily precipitation3.0 mm (0.12 in)3.0 mm (0.12 in)10320 of 100 (Routine)
2018-09-30TamalaRecord daily precipitation23.0 mm (0.9 in)15.6 mm (0.6 in)820 of 100 (Routine)
2018-09-30MumbyRecord daily precipitation15.0 mm (0.6 in)6.1 mm (0.24 in)8120 of 100 (Routine)
2018-10-01YooroogaRecord daily precipitation31.0 mm (1.2 in)19.0 mm (0.7 in)1542 of 100 (Notable)
2018-10-01WialkiRecord daily precipitation39.4 mm (1.6 in)3.8 mm (0.15 in)4238 of 100 (Notable)
2018-10-01RavensthorpeRecord daily precipitation17.6 mm (0.7 in)7.2 mm (0.28 in)10020 of 100 (Routine)
2018-10-02BunkinRecord daily precipitation11.2 mm (0.4 in)3.6 mm (0.14 in)9320 of 100 (Routine)
2018-10-03St AlbansRecord daily precipitation13.0 mm (0.5 in)3.1 mm (0.12 in)9920 of 100 (Routine)
2018-10-05NoongaarRecord daily precipitation26.0 mm (1.0 in)18.1 mm (0.7 in)6059 of 100 (Notable)
2018-10-05West Lort RiverRecord daily precipitation23.0 mm (0.9 in)20.0 mm (0.8 in)3720 of 100 (Routine)
2018-10-05WialkiRecord daily precipitation13.0 mm (0.5 in)6.1 mm (0.24 in)5320 of 100 (Routine)
2018-10-05Wialki SouthRecord daily precipitation10.0 mm (0.4 in)6.2 mm (0.24 in)4920 of 100 (Routine)
2018-10-05BrooktonRecord daily precipitation15.8 mm (0.6 in)1.1 mm (0.04 in)10120 of 100 (Routine)
2018-10-05PingellyRecord daily precipitation14.8 mm (0.6 in)1.1 mm (0.04 in)10120 of 100 (Routine)
2018-10-05AvocaRecord daily precipitation9.4 mm (0.37 in)3.3 mm (0.13 in)7920 of 100 (Routine)
2018-10-05Kalgoorlie-Boulder AirportRecord daily precipitation23.2 mm (0.9 in)20.4 mm (0.8 in)5320 of 100 (Routine)
2018-10-05Salmon Gums Res.STN.Record daily precipitation17.4 mm (0.7 in)9.5 mm (0.37 in)7920 of 100 (Routine)
2018-10-05I DunnoRecord daily precipitation24.0 mm (0.9 in)17.6 mm (0.7 in)6020 of 100 (Routine)
2018-10-05MelroseRecord daily precipitation24.0 mm (0.9 in)21.0 mm (0.8 in)8020 of 100 (Routine)
2018-10-06Dalyup ParkRecord daily precipitation15.8 mm (0.6 in)1.8 mm (0.07 in)9920 of 100 (Routine)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 111 records the event counts. The counts above use the full total.

Related Headlines

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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.