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Data as of 2025-12-31
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Built 2026-10-16 (16 October 2026)

Koondrook State Forest Weather Records (ASN00075038)

Record envelope, standing records and threshold days for Koondrook State Forest (ASN00075038), Australia, with 44 years of record.

Key Facts for Koondrook State Forest

  • Koondrook State Forest (ASN00075038) is a weather station in Australia at -35.68 latitude and 144.22 longitude, 78 m (256 ft) above sea level.
  • The station reports from 1938 to 1981, 44 years of record.
  • 0 records set at Koondrook State Forest still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Koondrook State Forest set a daily record precipitation of 8.0 mm (0.31 in) on 21 July 1981.

About the Station

  • Location: Australia, -35.68 latitude, 144.22 longitude.
  • Elevation: 78 m (256 ft).
  • Period of record: 1938 to 1981, 44 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Koondrook State Forest, with 2026 drawn through them The band shows the record high and record low for each calendar day at Koondrook State Forest. 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 Koondrook State Forest. 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 Koondrook State Forest, with 2026 drawn through them
MonthHighest record highLowest record low2026 highest maximum2026 lowest minimum
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Which Years Hold Standing Records

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

Wettest Day of Each Month

Jan: 92.5 mm (3.6 in)
Record daily precipitation for each month at Koondrook State Forest The wettest day on record for each calendar month at Koondrook State Forest. The most was 92.5 mm (3.6 in) on 4 January 1941. 0255075100 Jan: 92.5 mm (3.6 in), 4 January 1941 Jan Feb: 42.9 mm (1.7 in), 18 February 1946 Feb Mar: 79.0 mm (3.1 in), 30 March 1981 Mar Apr: 43.2 mm (1.7 in), 29 April 1960 Apr May: 50.2 mm (2.0 in), 18 May 1978 May Jun: 39.1 mm (1.5 in), 20 June 1957 Jun Jul: 47.8 mm (1.9 in), 13 July 1955 Jul Aug: 52.3 mm (2.1 in), 14 August 1958 Aug Sep: 54.6 mm (2.1 in), 22 September 1960 Sep Oct: 55.9 mm (2.2 in), 27 October 1973 Oct Nov: 50.8 mm (2.0 in), 29 November 1965 Nov Dec: 54.6 mm (2.1 in), 29 December 1946 Dec
The wettest day on record for each calendar month at Koondrook State Forest. The most was 92.5 mm (3.6 in) on 4 January 1941.
Record daily precipitation for each month at Koondrook State Forest
MonthRecord daily precipitation (mm)Date
Jan92.5 mm (3.6 in)4 January 1941
Feb42.9 mm (1.7 in)18 February 1946
Mar79.0 mm (3.1 in)30 March 1981
Apr43.2 mm (1.7 in)29 April 1960
May50.2 mm (2.0 in)18 May 1978
Jun39.1 mm (1.5 in)20 June 1957
Jul47.8 mm (1.9 in)13 July 1955
Aug52.3 mm (2.1 in)14 August 1958
Sep54.6 mm (2.1 in)22 September 1960
Oct55.9 mm (2.2 in)27 October 1973
Nov50.8 mm (2.0 in)29 November 1965
Dec54.6 mm (2.1 in)29 December 1946

Latest Records

20
Latest records at Koondrook State Forest
DateStationRecordValueBeat old record byOld record stoodSignificance
21 July 1981Koondrook State Forest, AUdaily rain8.0 mm (0.31 in)0.9 mm (0.04 in)12 years8 of 100 (Routine)
25 June 1981Koondrook State Forest, AUdaily rain20.1 mm (0.8 in)5.9 mm (0.23 in)30 years20 of 100 (Routine)
24 June 1981Koondrook State Forest, AUdaily rain23.4 mm (0.9 in)4.6 mm (0.18 in)30 years20 of 100 (Routine)
2 June 1981Koondrook State Forest, AUdaily rain11.8 mm (0.5 in)3.7 mm (0.15 in)26 years17 of 100 (Routine)
28 May 1981Koondrook State Forest, AUdaily rain5.4 mm (0.21 in)1.3 mm (0.05 in)28 years13 of 100 (Routine)
31 March 1981Koondrook State Forest, AUdaily rain19.0 mm (0.7 in)1.7 mm (0.07 in)32 years14 of 100 (Routine)
30 March 1981Koondrook State Forest, AUmonthly rain79.0 mm (3.1 in)31.2 mm (1.2 in)32 years54 of 100 (Notable)
28 January 1981Koondrook State Forest, AUdaily rain23.0 mm (0.9 in)8.8 mm (0.35 in)27 years17 of 100 (Routine)
8 January 1981Koondrook State Forest, AUdaily rain5.2 mm (0.20 in)5.2 mm (0.20 in)42 years19 of 100 (Routine)
13 October 1980Koondrook State Forest, AUdaily rain10.2 mm (0.4 in)1.6 mm (0.06 in)28 years13 of 100 (Routine)
7 October 1980Koondrook State Forest, AUdaily rain10.0 mm (0.4 in)1.6 mm (0.06 in)12 years8 of 100 (Routine)
28 June 1980Koondrook State Forest, AUdaily rain28.6 mm (1.1 in)18.4 mm (0.7 in)33 years45 of 100 (Notable)
23 April 1980Koondrook State Forest, AUdaily rain22.0 mm (0.9 in)2.0 mm (0.08 in)6 years7 of 100 (Routine)
12 October 1979Koondrook State Forest, AUdaily rain20.0 mm (0.8 in)5.3 mm (0.21 in)28 years17 of 100 (Routine)
6 October 1979Koondrook State Forest, AUdaily rain14.2 mm (0.6 in)5.3 mm (0.21 in)24 years16 of 100 (Routine)
29 September 1979Koondrook State Forest, AUdaily rain8.8 mm (0.35 in)5.0 mm (0.20 in)38 years20 of 100 (Routine)
19 August 1979Koondrook State Forest, AUdaily rain31.0 mm (1.2 in)4.8 mm (0.19 in)12 years14 of 100 (Routine)
16 August 1979Koondrook State Forest, AUdaily rain4.5 mm (0.18 in)0.7 mm (0.03 in)32 years14 of 100 (Routine)
16 April 1979Koondrook State Forest, AUdaily rain28.0 mm (1.1 in)14.3 mm (0.6 in)26 years29 of 100 (Routine)
21 January 1979Koondrook State Forest, AUdaily rain32.2 mm (1.3 in)32.2 mm (1.3 in)40 years37 of 100 (Notable)

Extremes by Year

1938 to 1981
Yearly extremes at Koondrook State Forest: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)92.5 mm (3.6 in)194138.5 mm (1.5 in)44
Wettest five days (Rx5day)118.1 mm (4.6 in)195050.8 mm (2.0 in)44
Longest dry spell (CDD)98 days196543 days44

Wettest day (Rx1day)

Wettest day (Rx1day) at Koondrook State Forest by year The wettest day of the year at Koondrook State Forest, 1938 to 1981. The record is 92.5 mm (3.6 in) in 1941, marked on the chart; the median year is 38.5 mm (1.5 in). 025507510019401950196019701980Record: 92.5 mm (3.6 in) in 1941
The wettest day of the year at Koondrook State Forest, 1938 to 1981. The record is 92.5 mm (3.6 in) in 1941, marked on the chart; the median year is 38.5 mm (1.5 in).
Wettest day (Rx1day) at Koondrook State Forest by year
YearWettest day (Rx1day)
19386.1 mm (0.24 in)
193938.9 mm (1.5 in)
194022.9 mm (0.9 in)
194192.5 mm (3.6 in)
194234.5 mm (1.4 in)
194317.8 mm (0.7 in)
194425.4 mm (1.0 in)
194525.7 mm (1.0 in)
194654.6 mm (2.1 in)
194721.1 mm (0.8 in)
194824.4 mm (1.0 in)
194947.8 mm (1.9 in)
195041.9 mm (1.6 in)
195130.0 mm (1.2 in)
195231.8 mm (1.3 in)
195333.0 mm (1.3 in)
195431.0 mm (1.2 in)
195547.8 mm (1.9 in)
195643.4 mm (1.7 in)
195739.1 mm (1.5 in)
195852.3 mm (2.1 in)
195938.1 mm (1.5 in)
196054.6 mm (2.1 in)
19616.4 mm (0.25 in)
196239.9 mm (1.6 in)
196347.2 mm (1.9 in)
196442.2 mm (1.7 in)
196550.8 mm (2.0 in)
196631.0 mm (1.2 in)
196726.2 mm (1.0 in)
196848.0 mm (1.9 in)
196936.6 mm (1.4 in)
197037.3 mm (1.5 in)
197141.7 mm (1.6 in)
197221.6 mm (0.9 in)
197355.9 mm (2.2 in)
197440.8 mm (1.6 in)
197543.0 mm (1.7 in)
197648.0 mm (1.9 in)
197716.1 mm (0.6 in)
197850.2 mm (2.0 in)
197932.2 mm (1.3 in)
198028.6 mm (1.1 in)
198179.0 mm (3.1 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Koondrook State Forest by year The wettest five days of the year at Koondrook State Forest, 1938 to 1981. The record is 118.1 mm (4.6 in) in 1950, marked on the chart; the median year is 50.8 mm (2.0 in). 05010015019401950196019701980Record: 118.1 mm (4.6 in) in 1950
The wettest five days of the year at Koondrook State Forest, 1938 to 1981. The record is 118.1 mm (4.6 in) in 1950, marked on the chart; the median year is 50.8 mm (2.0 in).
Wettest five days (Rx5day) at Koondrook State Forest by year
YearWettest five days (Rx5day)
193811.7 mm (0.5 in)
193975.0 mm (3.0 in)
194025.5 mm (1.0 in)
194193.0 mm (3.7 in)
194238.1 mm (1.5 in)
194318.8 mm (0.7 in)
194425.4 mm (1.0 in)
194555.2 mm (2.2 in)
194672.8 mm (2.9 in)
194754.6 mm (2.1 in)
194835.1 mm (1.4 in)
194984.0 mm (3.3 in)
1950118.1 mm (4.6 in)
195154.9 mm (2.2 in)
195245.4 mm (1.8 in)
195335.4 mm (1.4 in)
195474.5 mm (2.9 in)
195549.1 mm (1.9 in)
195680.5 mm (3.2 in)
195758.2 mm (2.3 in)
195863.9 mm (2.5 in)
195939.4 mm (1.6 in)
196083.8 mm (3.3 in)
196113.0 mm (0.5 in)
196248.8 mm (1.9 in)
196351.6 mm (2.0 in)
196449.5 mm (1.9 in)
196582.8 mm (3.3 in)
196651.3 mm (2.0 in)
196735.6 mm (1.4 in)
196848.0 mm (1.9 in)
196948.6 mm (1.9 in)
197062.7 mm (2.5 in)
197167.1 mm (2.6 in)
197225.4 mm (1.0 in)
197369.6 mm (2.7 in)
197474.6 mm (2.9 in)
197576.0 mm (3.0 in)
197648.0 mm (1.9 in)
197728.2 mm (1.1 in)
197850.2 mm (2.0 in)
197940.2 mm (1.6 in)
198038.0 mm (1.5 in)
198198.0 mm (3.9 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Koondrook State Forest by year The longest dry spell of the year at Koondrook State Forest, 1938 to 1981. The record is 98 days in 1965, marked on the chart; the median year is 43 days. 2040608010019401950196019701980Record: 98 days in 1965
The longest dry spell of the year at Koondrook State Forest, 1938 to 1981. The record is 98 days in 1965, marked on the chart; the median year is 43 days.
Longest dry spell (CDD) at Koondrook State Forest by year
YearLongest dry spell (CDD)
193886 days
193943 days
194037 days
194132 days
194224 days
194332 days
194447 days
194537 days
194635 days
194734 days
194843 days
194940 days
195038 days
195142 days
195222 days
195334 days
195449 days
195539 days
195644 days
195748 days
195845 days
195932 days
196045 days
196131 days
196254 days
196349 days
196460 days
196598 days
196627 days
196783 days
196849 days
196945 days
197039 days
197137 days
197244 days
197330 days
197443 days
197555 days
197655 days
197750 days
197841 days
197950 days
198068 days
198145 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

41 years, 1939 to 1980

A day with at least 37.4 mm (1.5 in) of rain is expected about once in 2 years. A day with at least 74.5 mm (2.9 in) of rain is expected about once in 100 years.

Rainfall return levels at Koondrook State Forest: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years37.4 mm (1.5 in)
5 years49.3 mm (1.9 in)
10 years56.3 mm (2.2 in)
25 years64.3 mm (2.5 in)
50 years69.6 mm (2.7 in)Longer than the 41 years of record
100 years74.5 mm (2.9 in)Longer than the 41 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, 41 years of values from 1939 to 1980.

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: 92.5 mm (3.6 in) in 1941; 55.9 mm (2.2 in) in 1973; 54.6 mm (2.1 in) in 1946.

Download the Data

  • Data for Koondrook State Forest standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Koondrook State Forest 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 2026-10-14 (14 October 2026). Records are computed by this site and are not official.

Data as of . Last revised (2025-12-31).