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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, 31 July to 6 August 2018

Extreme rain in Australia, 31 July to 6 August 2018: 159 records at 136 stations, peak on 4 August 2018. Closed.

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

Key Facts

  • Extreme rain in Australia, 31 July to 6 August 2018 set or tied 159 station records at 136 stations.
  • It ran from 31 July 2018 to 6 August 2018 (7 days) and its peak day was 4 August 2018.
  • Status: closed.
  • The Warriups set a daily record precipitation of 26.0 mm (1.0 in) on 5 August 2018.
  • The busiest day was 4 August 2018 with 67 records.
  • The oldest broken record in the ranked list had stood for 108 years.

Footprint

31 July to 6 August 2018
Footprint of Extreme rain in Australia, 31 July to 6 August 2018 The area covered by Extreme rain in Australia, 31 July to 6 August 2018 is outlined, with 19 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Australia, 31 July to 6 August 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, 31 July to 6 August 2018: stations that set records in the event
StationTypeValueDate
The WarriupsRecord daily precipitation26.0 mm (1.0 in)2018-08-05
BurracoppinRecord daily precipitation25.4 mm (1.0 in)2018-08-04
West Lort RiverRecord daily precipitation30.0 mm (1.2 in)2018-08-05
Youanmi ValleyRecord daily precipitation28.4 mm (1.1 in)2018-08-04
Esperance AeroRecord daily precipitation50.8 mm (2.0 in)2018-08-05
Dalyup ParkRecord daily precipitation25.2 mm (1.0 in)2018-08-04
Quella ParkRecord daily precipitation25.0 mm (1.0 in)2018-08-05
Codg CodgenRecord daily precipitation27.0 mm (1.1 in)2018-08-04
The DukeRecord daily precipitation34.0 mm (1.3 in)2018-08-05
Oake Marsh FarmRecord daily precipitation38.2 mm (1.5 in)2018-08-05
Telina DownsRecord daily precipitation31.4 mm (1.2 in)2018-08-02
ToodyayRecord daily precipitation37.0 mm (1.5 in)2018-08-03
PindarRecord daily precipitation15.2 mm (0.6 in)2018-08-02
White GumsRecord daily precipitation18.4 mm (0.7 in)2018-08-02
MerredinRecord daily precipitation20.6 mm (0.8 in)2018-08-04
BreakellRecord daily precipitation18.0 mm (0.7 in)2018-08-04
KitlaneRecord daily precipitation20.6 mm (0.8 in)2018-08-04
YgnatteringRecord daily precipitation24.0 mm (0.9 in)2018-08-04
WestoniaRecord daily precipitation23.2 mm (0.9 in)2018-08-04

Records per Day

Peak day 67
Records per day during Extreme rain in Australia, 31 July to 6 August 2018 Records set or tied each day from 31 July 2018 to 6 August 2018. The most in one day was 67 on 4 August 2018. 0 20 40 60 80 07-3108-0108-0208-0308-0408-0508-06
Records set or tied each day from 31 July 2018 to 6 August 2018. The most in one day was 67 on 4 August 2018.
Records per day during Extreme rain in Australia, 31 July to 6 August 2018
DateRecords
2018-07-311
2018-08-013
2018-08-0261
2018-08-035
2018-08-0467
2018-08-0521
2018-08-061

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Australia, 31 July to 6 August 2018 ranked by margin
Esperance Aero, 08-0534.6 mm (1.4 in)
Youanmi Valley, 08-0423.0 mm (0.9 in)
West Lort River, 08-0521.4 mm (0.8 in)
The Duke, 08-0520.8 mm (0.8 in)
Telina Downs, 08-0218.4 mm (0.7 in)
Oake Marsh Farm, 08-0514.3 mm (0.6 in)
Quella Park, 08-0513.6 mm (0.5 in)
The Warriups, 08-0512.5 mm (0.5 in)
Burracoppin, 08-0412.2 mm (0.5 in)
Ygnattering, 08-0410.8 mm (0.4 in)
Codg Codgen, 08-0410.5 mm (0.4 in)
The Warriups, 08-0210.3 mm (0.4 in)
Merredin, 08-049.2 mm (0.36 in)
Westonia, 08-048.0 mm (0.31 in)
Dalyup Park, 08-047.2 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

Margin against age of the broken record in Extreme rain in Australia, 31 July to 6 August 2018 159 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 010203040 Margin (mm) Years the old record stood
159 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 6 August 2018
Margin (mm)Years the old record stood
1187
1399
897
1268
2133
3524
1096
2327
7108
968
1453
2128
1155
687
681
1456
1816
487
681
481
1348
772
1620
1628
389
1315
853
1717
2136
855
753
285
1513
755
755
187
472
755
185
655
185
372
189
281
368
944
372
368
460
272
085
085
740
185
1311
1511
924
536
655
553
1024
740
172
172
1020
268
355
079
264
072
072
540
456
353
440
553
255
253
440
1924
840
167
428
639
436
153
453
1824
155
1132
244
225
153
160
440
1224
1320
828
236
81
428
1424
527
633
823
728
249
625
713
153
1116
325
420
324
227
153
227
436
528
325
428
033
225
324
616
716
613
144
328
220
128
824
027
315
028
139
140
225
028
515
428
328
328
120
51
028
036
025
028
111
125
224
125
124
45
120
025
112
10

Compared With Other Events

Station records per event
Station records in Extreme rain in Australia, 31 July to 6 August 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, 31 July to 6 August 2018 (this event)159 records

Every Record Set

20 of 159
Every record set or tied during Extreme rain in Australia, 31 July to 6 August 2018, in date order
DateStationRecordValueMarginYears stoodSignificance
2018-08-02Telina DownsRecord daily precipitation31.4 mm (1.2 in)18.4 mm (0.7 in)1644 of 100 (Notable)
2018-08-02PindarRecord daily precipitation15.2 mm (0.6 in)6.3 mm (0.25 in)8120 of 100 (Routine)
2018-08-02White GumsRecord daily precipitation18.4 mm (0.7 in)4.4 mm (0.17 in)8120 of 100 (Routine)
2018-08-02The WarriupsRecord daily precipitation24.0 mm (0.9 in)10.3 mm (0.4 in)9620 of 100 (Routine)
2018-08-03ToodyayRecord daily precipitation37.0 mm (1.5 in)6.3 mm (0.25 in)8144 of 100 (Notable)
2018-08-04BurracoppinRecord daily precipitation25.4 mm (1.0 in)12.2 mm (0.5 in)6855 of 100 (Notable)
2018-08-04Youanmi ValleyRecord daily precipitation28.4 mm (1.1 in)23.0 mm (0.9 in)2753 of 100 (Notable)
2018-08-04Dalyup ParkRecord daily precipitation25.2 mm (1.0 in)7.2 mm (0.28 in)10851 of 100 (Notable)
2018-08-04Codg CodgenRecord daily precipitation27.0 mm (1.1 in)10.5 mm (0.4 in)5549 of 100 (Notable)
2018-08-04MerredinRecord daily precipitation20.6 mm (0.8 in)9.2 mm (0.36 in)6820 of 100 (Routine)
2018-08-04BreakellRecord daily precipitation18.0 mm (0.7 in)3.8 mm (0.15 in)8720 of 100 (Routine)
2018-08-04KitlaneRecord daily precipitation20.6 mm (0.8 in)5.6 mm (0.22 in)8720 of 100 (Routine)
2018-08-04YgnatteringRecord daily precipitation24.0 mm (0.9 in)10.8 mm (0.4 in)8720 of 100 (Routine)
2018-08-04WestoniaRecord daily precipitation23.2 mm (0.9 in)8.0 mm (0.31 in)9720 of 100 (Routine)
2018-08-05The WarriupsRecord daily precipitation26.0 mm (1.0 in)12.5 mm (0.5 in)9957 of 100 (Notable)
2018-08-05West Lort RiverRecord daily precipitation30.0 mm (1.2 in)21.4 mm (0.8 in)3354 of 100 (Notable)
2018-08-05Esperance AeroRecord daily precipitation50.8 mm (2.0 in)34.6 mm (1.4 in)2453 of 100 (Notable)
2018-08-05Quella ParkRecord daily precipitation25.0 mm (1.0 in)13.6 mm (0.5 in)5351 of 100 (Notable)
2018-08-05The DukeRecord daily precipitation34.0 mm (1.3 in)20.8 mm (0.8 in)2849 of 100 (Notable)
2018-08-05Oake Marsh FarmRecord daily precipitation38.2 mm (1.5 in)14.3 mm (0.6 in)5646 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 159 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.