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Data as of 2025-12-31
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Built 2026-10-15 (15 October 2026)

Koonwarra (Leongatha South) Weather Records (ASN00085178)

Record envelope, standing records and threshold days for Koonwarra (Leongatha South) (ASN00085178), Australia, with 52 years of record.

Key Facts for Koonwarra (Leongatha South)

  • Koonwarra (Leongatha South) (ASN00085178) is a weather station in Australia at -38.53 latitude and 145.92 longitude, 40 m (131 ft) above sea level.
  • The station reports from 1969 to 2020, 52 years of record.
  • 0 records set at Koonwarra (Leongatha South) still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Koonwarra (Leongatha South) set a daily record precipitation of 25.0 mm (1.0 in) on 26 April 2020.

About the Station

  • Location: Australia, -38.53 latitude, 145.92 longitude.
  • Elevation: 40 m (131 ft).
  • Period of record: 1969 to 2020, 52 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Koonwarra (Leongatha South), with 2026 drawn through them The band shows the record high and record low for each calendar day at Koonwarra (Leongatha South). 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 Koonwarra (Leongatha South). 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 Koonwarra (Leongatha South), with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Mayn/an/an/an/a
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Which Years Hold Standing Records

0 standing records
Standing records at Koonwarra (Leongatha South) by the year they were set 0 records at Koonwarra (Leongatha South) still stand. 00000000000
0 records at Koonwarra (Leongatha South) still stand.
Standing records at Koonwarra (Leongatha South) by the year they were set
Year setStanding records

Wettest Day of Each Month

Jun: 74.6 mm (2.9 in)
Record daily precipitation for each month at Koonwarra (Leongatha South) The wettest day on record for each calendar month at Koonwarra (Leongatha South). The most was 74.6 mm (2.9 in) on 29 June 1980. 020406080 Jan: 72.6 mm (2.9 in), 25 January 1993 Jan Feb: 64.3 mm (2.5 in), 6 February 1973 Feb Mar: 69.3 mm (2.7 in), 22 March 1970 Mar Apr: 66.6 mm (2.6 in), 23 April 2001 Apr May: 54.4 mm (2.1 in), 16 May 1974 May Jun: 74.6 mm (2.9 in), 29 June 1980 Jun Jul: 50.4 mm (2.0 in), 6 July 2016 Jul Aug: 35.4 mm (1.4 in), 21 August 2001 Aug Sep: 44.5 mm (1.8 in), 7 September 1972 Sep Oct: 44.6 mm (1.8 in), 12 October 1990 Oct Nov: 50.0 mm (2.0 in), 3 November 1976 Nov Dec: 61.0 mm (2.4 in), 2 December 1987 Dec
The wettest day on record for each calendar month at Koonwarra (Leongatha South). The most was 74.6 mm (2.9 in) on 29 June 1980.
Record daily precipitation for each month at Koonwarra (Leongatha South)
MonthRecord daily precipitation (mm)Date
Jan72.6 mm (2.9 in)25 January 1993
Feb64.3 mm (2.5 in)6 February 1973
Mar69.3 mm (2.7 in)22 March 1970
Apr66.6 mm (2.6 in)23 April 2001
May54.4 mm (2.1 in)16 May 1974
Jun74.6 mm (2.9 in)29 June 1980
Jul50.4 mm (2.0 in)6 July 2016
Aug35.4 mm (1.4 in)21 August 2001
Sep44.5 mm (1.8 in)7 September 1972
Oct44.6 mm (1.8 in)12 October 1990
Nov50.0 mm (2.0 in)3 November 1976
Dec61.0 mm (2.4 in)2 December 1987

Latest Records

20
Latest records at Koonwarra (Leongatha South)
DateStationRecordValueBeat old record byOld record stoodSignificance
26 April 2020Koonwarra (Leongatha South), AUdaily rain25.0 mm (1.0 in)2.6 mm (0.10 in)30 years17 of 100 (Routine)
4 April 2020Koonwarra (Leongatha South), AUdaily rain26.4 mm (1.0 in)1.8 mm (0.07 in)41 years19 of 100 (Routine)
5 March 2020Koonwarra (Leongatha South), AUdaily rain23.2 mm (0.9 in)9.4 mm (0.37 in)35 years20 of 100 (Routine)
2 February 2020Koonwarra (Leongatha South), AUdaily rain17.6 mm (0.7 in)7.9 mm (0.31 in)14 years19 of 100 (Routine)
23 January 2020Koonwarra (Leongatha South), AUdaily rain32.0 mm (1.3 in)18.8 mm (0.7 in)20 years34 of 100 (Routine)
10 January 2020Koonwarra (Leongatha South), AUdaily rain22.0 mm (0.9 in)7.8 mm (0.31 in)4 years15 of 100 (Routine)
6 January 2020Koonwarra (Leongatha South), AUdaily rain15.4 mm (0.6 in)1.0 mm (0.04 in)24 years13 of 100 (Routine)
7 November 2019Koonwarra (Leongatha South), AUdaily rain44.0 mm (1.7 in)15.8 mm (0.6 in)24 years35 of 100 (Notable)
15 September 2019Koonwarra (Leongatha South), AUdaily rain21.8 mm (0.9 in)3.0 mm (0.12 in)44 years20 of 100 (Routine)
27 May 2019Koonwarra (Leongatha South), AUdaily rain28.0 mm (1.1 in)6.0 mm (0.24 in)32 years23 of 100 (Routine)
8 May 2019Koonwarra (Leongatha South), AUdaily rain20.0 mm (0.8 in)5.4 mm (0.21 in)21 years19 of 100 (Routine)
12 February 2019Koonwarra (Leongatha South), AUdaily rain15.0 mm (0.6 in)0.8 mm (0.03 in)8 years8 of 100 (Routine)
1 February 2019Koonwarra (Leongatha South), AUdaily rain39.0 mm (1.5 in)21.2 mm (0.8 in)24 years39 of 100 (Notable)
17 June 2018Koonwarra (Leongatha South), AUdaily rain24.6 mm (1.0 in)8.2 mm (0.32 in)41 years20 of 100 (Routine)
15 April 2018Koonwarra (Leongatha South), AUdaily rain (Tie)15.6 mm (0.6 in)tie36 years3 of 100 (Routine)
29 December 2017Koonwarra (Leongatha South), AUdaily rain28.8 mm (1.1 in)17.4 mm (0.7 in)47 years40 of 100 (Notable)
16 September 2017Koonwarra (Leongatha South), AUdaily rain23.4 mm (0.9 in)6.2 mm (0.24 in)24 years20 of 100 (Routine)
19 August 2017Koonwarra (Leongatha South), AUdaily rain17.6 mm (0.7 in)9.7 mm (0.38 in)44 years20 of 100 (Routine)
9 April 2017Koonwarra (Leongatha South), AUdaily rain23.6 mm (0.9 in)14.8 mm (0.6 in)4 years20 of 100 (Routine)
20 January 2017Koonwarra (Leongatha South), AUdaily rain18.6 mm (0.7 in)13.0 mm (0.5 in)1 year19 of 100 (Routine)

Extremes by Year

1969 to 2020
Yearly extremes at Koonwarra (Leongatha South): the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)74.6 mm (2.9 in)198044.3 mm (1.7 in)52
Wettest five days (Rx5day)161.6 mm (6.4 in)197066.0 mm (2.6 in)52
Longest dry spell (CDD)50 days201719 days52

Wettest day (Rx1day)

Wettest day (Rx1day) at Koonwarra (Leongatha South) by year The wettest day of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 74.6 mm (2.9 in) in 1980, marked on the chart; the median year is 44.3 mm (1.7 in). 20406080197019801990200020102020Record: 74.6 mm (2.9 in) in 1980
The wettest day of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 74.6 mm (2.9 in) in 1980, marked on the chart; the median year is 44.3 mm (1.7 in).
Wettest day (Rx1day) at Koonwarra (Leongatha South) by year
YearWettest day (Rx1day)
196920.8 mm (0.8 in)
197069.3 mm (2.7 in)
197125.4 mm (1.0 in)
197244.5 mm (1.8 in)
197364.3 mm (2.5 in)
197454.4 mm (2.1 in)
197524.2 mm (1.0 in)
197650.0 mm (2.0 in)
197745.8 mm (1.8 in)
197858.6 mm (2.3 in)
197924.6 mm (1.0 in)
198074.6 mm (2.9 in)
198135.6 mm (1.4 in)
198254.0 mm (2.1 in)
198346.2 mm (1.8 in)
198464.4 mm (2.5 in)
198554.0 mm (2.1 in)
198633.2 mm (1.3 in)
198761.0 mm (2.4 in)
198836.0 mm (1.4 in)
198957.0 mm (2.2 in)
199044.6 mm (1.8 in)
199148.8 mm (1.9 in)
199250.3 mm (2.0 in)
199372.6 mm (2.9 in)
199433.2 mm (1.3 in)
199528.4 mm (1.1 in)
199647.2 mm (1.9 in)
199729.0 mm (1.1 in)
199835.2 mm (1.4 in)
199927.0 mm (1.1 in)
200035.0 mm (1.4 in)
200166.6 mm (2.6 in)
200226.2 mm (1.0 in)
200331.8 mm (1.3 in)
200434.0 mm (1.3 in)
200535.8 mm (1.4 in)
200636.0 mm (1.4 in)
200749.8 mm (2.0 in)
200853.0 mm (2.1 in)
200934.2 mm (1.3 in)
201041.7 mm (1.6 in)
201148.3 mm (1.9 in)
201258.0 mm (2.3 in)
201354.4 mm (2.1 in)
201426.8 mm (1.1 in)
201530.0 mm (1.2 in)
201650.4 mm (2.0 in)
201731.0 mm (1.2 in)
201824.6 mm (1.0 in)
201944.0 mm (1.7 in)
202032.0 mm (1.3 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Koonwarra (Leongatha South) by year The wettest five days of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 161.6 mm (6.4 in) in 1970, marked on the chart; the median year is 66.0 mm (2.6 in). 050100150200197019801990200020102020Record: 161.6 mm (6.4 in) in 1970
The wettest five days of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 161.6 mm (6.4 in) in 1970, marked on the chart; the median year is 66.0 mm (2.6 in).
Wettest five days (Rx5day) at Koonwarra (Leongatha South) by year
YearWettest five days (Rx5day)
196953.1 mm (2.1 in)
1970161.6 mm (6.4 in)
197152.6 mm (2.1 in)
197254.7 mm (2.2 in)
1973108.5 mm (4.3 in)
197480.0 mm (3.1 in)
197550.0 mm (2.0 in)
197663.6 mm (2.5 in)
1977101.6 mm (4.0 in)
197869.8 mm (2.7 in)
197942.8 mm (1.7 in)
198098.0 mm (3.9 in)
198156.4 mm (2.2 in)
198270.4 mm (2.8 in)
198380.0 mm (3.1 in)
198476.6 mm (3.0 in)
198590.0 mm (3.5 in)
198680.2 mm (3.2 in)
198765.2 mm (2.6 in)
198860.8 mm (2.4 in)
1989101.8 mm (4.0 in)
199078.1 mm (3.1 in)
199197.4 mm (3.8 in)
199285.6 mm (3.4 in)
199398.2 mm (3.9 in)
199474.4 mm (2.9 in)
199560.6 mm (2.4 in)
199666.3 mm (2.6 in)
199758.0 mm (2.3 in)
199854.6 mm (2.1 in)
199937.4 mm (1.5 in)
200048.8 mm (1.9 in)
2001119.0 mm (4.7 in)
200244.4 mm (1.7 in)
200350.8 mm (2.0 in)
200456.6 mm (2.2 in)
200548.7 mm (1.9 in)
200654.9 mm (2.2 in)
200765.7 mm (2.6 in)
200874.2 mm (2.9 in)
200965.4 mm (2.6 in)
201069.8 mm (2.7 in)
201197.6 mm (3.8 in)
201274.2 mm (2.9 in)
201396.3 mm (3.8 in)
201458.8 mm (2.3 in)
201574.0 mm (2.9 in)
201661.0 mm (2.4 in)
201759.4 mm (2.3 in)
201844.2 mm (1.7 in)
201975.6 mm (3.0 in)
202054.2 mm (2.1 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Koonwarra (Leongatha South) by year The longest dry spell of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 50 days in 2017, marked on the chart; the median year is 19 days. 1020304050197019801990200020102020Record: 50 days in 2017
The longest dry spell of the year at Koonwarra (Leongatha South), 1969 to 2020. The record is 50 days in 2017, marked on the chart; the median year is 19 days.
Longest dry spell (CDD) at Koonwarra (Leongatha South) by year
YearLongest dry spell (CDD)
196910 days
197016 days
197122 days
197215 days
197315 days
197422 days
197525 days
197616 days
197720 days
197812 days
197923 days
198012 days
198116 days
198217 days
198340 days
198419 days
198517 days
198631 days
198715 days
198819 days
198920 days
199015 days
199121 days
199211 days
199316 days
199416 days
199519 days
199617 days
199725 days
199822 days
199914 days
200022 days
200135 days
200218 days
200318 days
200419 days
200520 days
200619 days
200722 days
200823 days
200919 days
201017 days
201112 days
201215 days
201324 days
201425 days
201526 days
201618 days
201750 days
201817 days
201916 days
202015 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

45 years, 1970 to 2015

A day with at least 43.8 mm (1.7 in) of rain is expected about once in 2 years. A day with at least 83.2 mm (3.3 in) of rain is expected about once in 100 years.

Rainfall return levels at Koonwarra (Leongatha South): the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years43.8 mm (1.7 in)
5 years56.8 mm (2.2 in)
10 years64.3 mm (2.5 in)
25 years72.7 mm (2.9 in)
50 years78.2 mm (3.1 in)Longer than the 45 years of record
100 years83.2 mm (3.3 in)Longer than the 45 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, 45 years of values from 1970 to 2015.

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: 74.6 mm (2.9 in) in 1980; 72.6 mm (2.9 in) in 1993; 69.3 mm (2.7 in) in 1970.

Download the Data

  • Data for Koonwarra (Leongatha South) standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Koonwarra (Leongatha South) 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 (2025-12-31).