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Built 2026-10-14 (14 October 2026)

Wallan Weather Records (ASN00086350)

Record envelope, standing records and threshold days for Wallan (ASN00086350), Australia, with 48 years of record.

Key Facts for Wallan

  • Wallan (ASN00086350) is a weather station in Australia at -37.42 latitude and 144.98 longitude, 341 m (1,119 ft) above sea level.
  • The station reports from 1979 to 2026, 48 years of record.
  • 0 records set at Wallan still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Wallan set a daily record precipitation of 37.0 mm (1.5 in) on 2 October 2026 (provisional).

Provisional Records

Records set in the last 60 days are provisional until they clear the revision window.

About the Station

  • Location: Australia, -37.42 latitude, 144.98 longitude.
  • Elevation: 341 m (1,119 ft).
  • Period of record: 1979 to 2026, 48 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Wallan, with 2026 drawn through them The band shows the record high and record low for each calendar day at Wallan. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius. 000111 JanFebMarAprMayJunJulAugSepOctNovDec
The band shows the record high and record low for each calendar day at Wallan. The lines show the 2026 daily maximum and minimum. 0 days in 2026 matched or passed a record. Temperatures are in degrees Celsius.
Daily record high and record low at Wallan, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
Jann/an/an/an/a
Febn/an/an/an/a
Marn/an/an/an/a
Aprn/an/an/an/a
Mayn/an/an/an/a
Junn/an/an/an/a
Juln/an/an/an/a
Augn/an/an/an/a
Sepn/an/an/an/a
Octn/an/an/an/a
Novn/an/an/an/a
Decn/an/an/an/a

Which Years Hold Standing Records

0 standing records
Standing records at Wallan by the year they were set 0 records at Wallan still stand. 00000000000
0 records at Wallan still stand.
Standing records at Wallan by the year they were set
Year setStanding records

Wettest Day of Each Month

Feb: 114.6 mm (4.5 in)
Record daily precipitation for each month at Wallan The wettest day on record for each calendar month at Wallan. The most was 114.6 mm (4.5 in) on 3 February 2005. 050100150 Jan: 95.4 mm (3.8 in), 8 January 2024 Jan Feb: 114.6 mm (4.5 in), 3 February 2005 Feb Mar: 72.0 mm (2.8 in), 21 March 1989 Mar Apr: 85.0 mm (3.3 in), 24 April 2001 Apr May: 45.4 mm (1.8 in), 4 May 2000 May Jun: 47.4 mm (1.9 in), 18 June 2018 Jun Jul: 51.8 mm (2.0 in), 30 July 1987 Jul Aug: 41.0 mm (1.6 in), 17 August 1983 Aug Sep: 47.0 mm (1.9 in), 29 September 2011 Sep Oct: 52.0 mm (2.0 in), 6 October 1979 Oct Nov: 53.0 mm (2.1 in), 28 November 2010 Nov Dec: 92.6 mm (3.6 in), 28 December 1993 Dec
The wettest day on record for each calendar month at Wallan. The most was 114.6 mm (4.5 in) on 3 February 2005.
Record daily precipitation for each month at Wallan
MonthRecord daily precipitation (mm)Date
Jan95.4 mm (3.8 in)8 January 2024
Feb114.6 mm (4.5 in)3 February 2005
Mar72.0 mm (2.8 in)21 March 1989
Apr85.0 mm (3.3 in)24 April 2001
May45.4 mm (1.8 in)4 May 2000
Jun47.4 mm (1.9 in)18 June 2018
Jul51.8 mm (2.0 in)30 July 1987
Aug41.0 mm (1.6 in)17 August 1983
Sep47.0 mm (1.9 in)29 September 2011
Oct52.0 mm (2.0 in)6 October 1979
Nov53.0 mm (2.1 in)28 November 2010
Dec92.6 mm (3.6 in)28 December 1993

Latest Records

20
Latest records at Wallan
DateStationRecordValueBeat old record byOld record stoodSignificance
2 October 2026Wallan, AUdaily rain (Provisional)37.0 mm (1.5 in)18.6 mm (0.7 in)32 years37 of 100 (Notable)
25 August 2026Wallan, AUdaily rain (Provisional)16.2 mm (0.6 in)5.8 mm (0.23 in)25 years20 of 100 (Routine)
20 August 2026Wallan, AUdaily rain (Provisional)14.8 mm (0.6 in)4.4 mm (0.17 in)20 years18 of 100 (Routine)
10 August 2026Wallan, AUdaily rain22.0 mm (0.9 in)6.2 mm (0.24 in)17 years20 of 100 (Routine)
3 July 2026Wallan, AUdaily rain8.2 mm (0.32 in)2.6 mm (0.10 in)4 years9 of 100 (Routine)
1 July 2026Wallan, AUdaily rain10.6 mm (0.4 in)2.8 mm (0.11 in)17 years13 of 100 (Routine)
2 June 2026Wallan, AUdaily rain7.4 mm (0.29 in)0.6 mm (0.02 in)33 years14 of 100 (Routine)
18 May 2026Wallan, AUdaily rain19.2 mm (0.8 in)2.8 mm (0.11 in)17 years13 of 100 (Routine)
27 March 2026Wallan, AUdaily rain24.8 mm (1.0 in)8.8 mm (0.35 in)44 years20 of 100 (Routine)
3 March 2026Wallan, AUdaily rain20.2 mm (0.8 in)15.4 mm (0.6 in)27 years20 of 100 (Routine)
2 March 2026Wallan, AUdaily rain29.0 mm (1.1 in)23.0 mm (0.9 in)27 years38 of 100 (Notable)
25 February 2026Wallan, AUdaily rain23.8 mm (0.9 in)21.0 mm (0.8 in)20 years20 of 100 (Routine)
23 February 2026Wallan, AUdaily rain17.4 mm (0.7 in)0.6 mm (0.02 in)43 years16 of 100 (Routine)
27 October 2025Wallan, AUdaily rain21.6 mm (0.9 in)4.6 mm (0.18 in)11 years13 of 100 (Routine)
30 August 2025Wallan, AUdaily rain14.4 mm (0.6 in)2.6 mm (0.10 in)20 years15 of 100 (Routine)
23 July 2025Wallan, AUdaily rain21.4 mm (0.8 in)9.8 mm (0.39 in)35 years20 of 100 (Routine)
24 January 2025Wallan, AUdaily rain13.0 mm (0.5 in)2.6 mm (0.10 in)37 years17 of 100 (Routine)
30 November 2024Wallan, AUdaily rain14.2 mm (0.6 in)1.0 mm (0.04 in)5 years6 of 100 (Routine)
18 October 2024Wallan, AUdaily rain8.2 mm (0.32 in)0.4 mm (0.02 in)42 years16 of 100 (Routine)
12 September 2024Wallan, AUdaily rain20.2 mm (0.8 in)3.6 mm (0.14 in)26 years16 of 100 (Routine)

Extremes by Year

1979 to 2026
Yearly extremes at Wallan: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)114.6 mm (4.5 in)200538.9 mm (1.5 in)48
Wettest five days (Rx5day)144.2 mm (5.7 in)200569.5 mm (2.7 in)48
Longest dry spell (CDD)39 days199121 days48

Wettest day (Rx1day)

Wettest day (Rx1day) at Wallan by year The wettest day of the year at Wallan, 1979 to 2026. The record is 114.6 mm (4.5 in) in 2005, marked on the chart; the median year is 38.9 mm (1.5 in). 025507510012519801990200020102020Record: 114.6 mm (4.5 in) in 2005
The wettest day of the year at Wallan, 1979 to 2026. The record is 114.6 mm (4.5 in) in 2005, marked on the chart; the median year is 38.9 mm (1.5 in).
Wettest day (Rx1day) at Wallan by year
YearWettest day (Rx1day)
197952.0 mm (2.0 in)
198035.0 mm (1.4 in)
198138.0 mm (1.5 in)
198229.8 mm (1.2 in)
198347.4 mm (1.9 in)
198433.6 mm (1.3 in)
198541.2 mm (1.6 in)
198628.4 mm (1.1 in)
198761.4 mm (2.4 in)
198851.2 mm (2.0 in)
198972.0 mm (2.8 in)
199039.4 mm (1.6 in)
199131.6 mm (1.2 in)
199238.4 mm (1.5 in)
199392.6 mm (3.6 in)
199443.4 mm (1.7 in)
199537.6 mm (1.5 in)
199644.2 mm (1.7 in)
199734.0 mm (1.3 in)
199844.6 mm (1.8 in)
199928.4 mm (1.1 in)
200045.4 mm (1.8 in)
200185.0 mm (3.3 in)
200221.6 mm (0.9 in)
200331.2 mm (1.2 in)
200437.4 mm (1.5 in)
2005114.6 mm (4.5 in)
200628.2 mm (1.1 in)
200768.0 mm (2.7 in)
200836.4 mm (1.4 in)
200932.0 mm (1.3 in)
201053.0 mm (2.1 in)
201177.0 mm (3.0 in)
201233.4 mm (1.3 in)
201335.4 mm (1.4 in)
201431.0 mm (1.2 in)
201535.0 mm (1.4 in)
201630.2 mm (1.2 in)
201746.4 mm (1.8 in)
201847.4 mm (1.9 in)
201923.6 mm (0.9 in)
202066.4 mm (2.6 in)
202146.2 mm (1.8 in)
202248.0 mm (1.9 in)
202343.0 mm (1.7 in)
202495.4 mm (3.8 in)
202528.2 mm (1.1 in)
202637.0 mm (1.5 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Wallan by year The wettest five days of the year at Wallan, 1979 to 2026. The record is 144.2 mm (5.7 in) in 2005, marked on the chart; the median year is 69.5 mm (2.7 in). 05010015019801990200020102020Record: 144.2 mm (5.7 in) in 2005
The wettest five days of the year at Wallan, 1979 to 2026. The record is 144.2 mm (5.7 in) in 2005, marked on the chart; the median year is 69.5 mm (2.7 in).
Wettest five days (Rx5day) at Wallan by year
YearWettest five days (Rx5day)
197975.6 mm (3.0 in)
198061.8 mm (2.4 in)
198156.6 mm (2.2 in)
198250.2 mm (2.0 in)
198388.8 mm (3.5 in)
198454.0 mm (2.1 in)
198562.2 mm (2.4 in)
198648.4 mm (1.9 in)
198799.6 mm (3.9 in)
1988116.6 mm (4.6 in)
198973.6 mm (2.9 in)
199076.6 mm (3.0 in)
199172.4 mm (2.9 in)
199272.2 mm (2.8 in)
1993113.0 mm (4.4 in)
199499.6 mm (3.9 in)
199566.4 mm (2.6 in)
199661.8 mm (2.4 in)
199752.6 mm (2.1 in)
199873.6 mm (2.9 in)
199963.6 mm (2.5 in)
200064.4 mm (2.5 in)
2001122.8 mm (4.8 in)
200240.8 mm (1.6 in)
200344.2 mm (1.7 in)
200478.4 mm (3.1 in)
2005144.2 mm (5.7 in)
200652.2 mm (2.1 in)
2007127.4 mm (5.0 in)
200862.2 mm (2.4 in)
200958.0 mm (2.3 in)
2010108.4 mm (4.3 in)
201194.8 mm (3.7 in)
201250.6 mm (2.0 in)
201345.2 mm (1.8 in)
201446.8 mm (1.8 in)
201542.4 mm (1.7 in)
201674.2 mm (2.9 in)
201781.2 mm (3.2 in)
201872.6 mm (2.9 in)
201940.0 mm (1.6 in)
202095.6 mm (3.8 in)
202176.8 mm (3.0 in)
202293.2 mm (3.7 in)
202366.8 mm (2.6 in)
2024118.0 mm (4.6 in)
202538.8 mm (1.5 in)
202665.0 mm (2.6 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Wallan by year The longest dry spell of the year at Wallan, 1979 to 2026. The record is 39 days in 1991, marked on the chart; the median year is 21 days. 1020304019801990200020102020Record: 39 days in 1991
The longest dry spell of the year at Wallan, 1979 to 2026. The record is 39 days in 1991, marked on the chart; the median year is 21 days.
Longest dry spell (CDD) at Wallan by year
YearLongest dry spell (CDD)
197913 days
198018 days
198117 days
198221 days
198326 days
198420 days
198527 days
198630 days
198726 days
198823 days
198921 days
199017 days
199139 days
199224 days
199317 days
199428 days
199512 days
199615 days
199735 days
199813 days
199917 days
200022 days
200128 days
200224 days
200324 days
200420 days
200522 days
200627 days
200722 days
200825 days
200933 days
201019 days
201120 days
201217 days
201316 days
201421 days
201518 days
201620 days
201723 days
201819 days
201934 days
202017 days
202124 days
202218 days
202322 days
202421 days
202525 days
202615 days

Each chart shows one value per year; the dot marks the record year. TXx is the hottest daily maximum, TNn the coldest daily minimum, Rx1day and Rx5day the largest one-day and five-day rain totals, and CDD the longest run of days with less than 1 mm of rain. A year with missing days can understate an extreme.

Rainfall Return Levels

42 years, 1980 to 2025

A day with at least 40.1 mm (1.6 in) of rain is expected about once in 2 years. A day with at least 139.9 mm (5.5 in) of rain is expected about once in 100 years.

Rainfall return levels at Wallan: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years40.1 mm (1.6 in)
5 years55.7 mm (2.2 in)
10 years69.4 mm (2.7 in)
25 years92.0 mm (3.6 in)
50 years113.5 mm (4.5 in)Longer than the 42 years of record
100 years139.9 mm (5.5 in)Longer than the 42 years of record

The levels come from a generalised extreme value (GEV) distribution fitted by L-moments to the wettest-day total of each year, 42 years of values from 1980 to 2025.

A return level is an estimate. It is least reliable for the long periods, 50 and 100 years, and for any period longer than the record behind the fit, where the fit has to reach past the largest day actually observed. It is not a forecast.

The largest wettest-day totals in the fit: 114.6 mm (4.5 in) in 2005; 95.4 mm (3.8 in) in 2024; 92.6 mm (3.6 in) in 1993.

Download the Data

  • Data for Wallan standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Wallan threshold days by year: CSV or JSON. Field meanings are on the data page.

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 2026-10-13 (13 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2026-10-13).