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Built 2026-10-15 (15 October 2026)

Osbornes Flat Weather Records (ASN00082036)

Record envelope, standing records and threshold days for Osbornes Flat (ASN00082036), Australia, with 51 years of record.

Key Facts for Osbornes Flat

  • Osbornes Flat (ASN00082036) is a weather station in Australia at -36.30 latitude and 146.90 longitude, n/a above sea level.
  • The station reports from 1904 to 1954, 51 years of record.
  • 0 records set at Osbornes Flat still stand.
  • Records are tracked for prcp: an element needs 30 years of data to be eligible.
  • Osbornes Flat set a daily record precipitation of 32.8 mm (1.3 in) on 3 June 1954.

About the Station

  • Location: Australia, -36.30 latitude, 146.90 longitude.
  • Elevation: n/a.
  • Period of record: 1904 to 1954, 51 years.
  • Eligible elements: prcp.

Daily Record Envelope and 2026

0 days at or beyond a record
Daily record high and record low at Osbornes Flat, with 2026 drawn through them The band shows the record high and record low for each calendar day at Osbornes Flat. 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 Osbornes Flat. 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 Osbornes Flat, 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 Osbornes Flat by the year they were set 0 records at Osbornes Flat still stand. 00000000000
0 records at Osbornes Flat still stand.
Standing records at Osbornes Flat by the year they were set
Year setStanding records

All-Time Record Progression

1 new records
When Osbornes Flat set new all-time records 1 all-time records were set at Osbornes Flat between 27 February 1939 and 27 February 1939. Each dot is a new record. Record daily precipitation27 February 1939: Record daily precipitation 143.0 mm (5.6 in)1940
1 all-time records were set at Osbornes Flat between 27 February 1939 and 27 February 1939. Each dot is a new record.
When Osbornes Flat set new all-time records
DateKindDetail
1939-02-27Record daily precipitationRecord daily precipitation 143.0 mm (5.6 in)

Wettest Day of Each Month

Feb: 143.0 mm (5.6 in)
Record daily precipitation for each month at Osbornes Flat The wettest day on record for each calendar month at Osbornes Flat. The most was 143.0 mm (5.6 in) on 27 February 1939. 050100150 Jan: 63.8 mm (2.5 in), 4 January 1941 Jan Feb: 143.0 mm (5.6 in), 27 February 1939 Feb Mar: 79.5 mm (3.1 in), 22 March 1926 Mar Apr: 58.2 mm (2.3 in), 26 April 1909 Apr May: 76.2 mm (3.0 in), 13 May 1918 May Jun: 87.1 mm (3.4 in), 9 June 1921 Jun Jul: 68.6 mm (2.7 in), 8 July 1916 Jul Aug: 88.9 mm (3.5 in), 26 August 1924 Aug Sep: 67.3 mm (2.6 in), 1 September 1933 Sep Oct: 78.0 mm (3.1 in), 11 October 1934 Oct Nov: 51.8 mm (2.0 in), 16 November 1931 Nov Dec: 68.8 mm (2.7 in), 1 December 1911 Dec
The wettest day on record for each calendar month at Osbornes Flat. The most was 143.0 mm (5.6 in) on 27 February 1939.
Record daily precipitation for each month at Osbornes Flat
MonthRecord daily precipitation (mm)Date
Jan63.8 mm (2.5 in)4 January 1941
Feb143.0 mm (5.6 in)27 February 1939
Mar79.5 mm (3.1 in)22 March 1926
Apr58.2 mm (2.3 in)26 April 1909
May76.2 mm (3.0 in)13 May 1918
Jun87.1 mm (3.4 in)9 June 1921
Jul68.6 mm (2.7 in)8 July 1916
Aug88.9 mm (3.5 in)26 August 1924
Sep67.3 mm (2.6 in)1 September 1933
Oct78.0 mm (3.1 in)11 October 1934
Nov51.8 mm (2.0 in)16 November 1931
Dec68.8 mm (2.7 in)1 December 1911

Latest Records

20
Latest records at Osbornes Flat
DateStationRecordValueBeat old record byOld record stoodSignificance
3 June 1954Osbornes Flat, AUdaily rain32.8 mm (1.3 in)16.3 mm (0.6 in)31 years30 of 100 (Routine)
29 April 1954Osbornes Flat, AUdaily rain31.8 mm (1.3 in)17.1 mm (0.7 in)15 years26 of 100 (Routine)
2 February 1954Osbornes Flat, AUdaily rain6.9 mm (0.27 in)2.6 mm (0.10 in)8 years8 of 100 (Routine)
29 January 1954Osbornes Flat, AUdaily rain61.0 mm (2.4 in)32.8 mm (1.3 in)38 years44 of 100 (Notable)
1 January 1954Osbornes Flat, AUdaily rain0.8 mm (0.03 in)0.3 mm (0.01 in)6 years6 of 100 (Routine)
7 November 1953Osbornes Flat, AUdaily rain8.1 mm (0.32 in)1.0 mm (0.04 in)19 years11 of 100 (Routine)
21 October 1953Osbornes Flat, AUdaily rain30.7 mm (1.2 in)10.9 mm (0.4 in)18 years20 of 100 (Routine)
19 September 1953Osbornes Flat, AUdaily rain45.5 mm (1.8 in)21.1 mm (0.8 in)32 years37 of 100 (Notable)
23 July 1953Osbornes Flat, AUdaily rain22.4 mm (0.9 in)9.7 mm (0.38 in)48 years20 of 100 (Routine)
7 July 1953Osbornes Flat, AUdaily rain22.4 mm (0.9 in)1.3 mm (0.05 in)31 years15 of 100 (Routine)
19 May 1953Osbornes Flat, AUdaily rain42.9 mm (1.7 in)26.4 mm (1.0 in)32 years41 of 100 (Notable)
5 May 1953Osbornes Flat, AUdaily rain4.6 mm (0.18 in)2.3 mm (0.09 in)22 years13 of 100 (Routine)
6 February 1953Osbornes Flat, AUdaily rain17.5 mm (0.7 in)7.6 mm (0.30 in)21 years16 of 100 (Routine)
27 November 1952Osbornes Flat, AUdaily rain46.0 mm (1.8 in)20.6 mm (0.8 in)44 years39 of 100 (Notable)
20 November 1952Osbornes Flat, AUdaily rain12.4 mm (0.5 in)0.7 mm (0.03 in)46 years17 of 100 (Routine)
12 July 1952Osbornes Flat, AUdaily rain24.6 mm (1.0 in)4.0 mm (0.16 in)19 years13 of 100 (Routine)
29 May 1952Osbornes Flat, AUdaily rain24.1 mm (0.9 in)5.3 mm (0.21 in)48 years20 of 100 (Routine)
8 May 1952Osbornes Flat, AUdaily rain31.0 mm (1.2 in)17.0 mm (0.7 in)29 years29 of 100 (Routine)
18 April 1952Osbornes Flat, AUdaily rain20.1 mm (0.8 in)3.6 mm (0.14 in)44 years20 of 100 (Routine)
3 October 1951Osbornes Flat, AUdaily rain15.2 mm (0.6 in)2.2 mm (0.09 in)40 years18 of 100 (Routine)

Extremes by Year

1904 to 1954
Yearly extremes at Osbornes Flat: the record and the median year
MeasureRecordYear of the recordMedian yearYears with a value
Wettest day (Rx1day)143.0 mm (5.6 in)193949.5 mm (1.9 in)51
Wettest five days (Rx5day)256.0 mm (10.1 in)193988.6 mm (3.5 in)51
Longest dry spell (CDD)127 days192330 days51

Wettest day (Rx1day)

Wettest day (Rx1day) at Osbornes Flat by year The wettest day of the year at Osbornes Flat, 1904 to 1954. The record is 143.0 mm (5.6 in) in 1939, marked on the chart; the median year is 49.5 mm (1.9 in). 05010015019101920193019401950Record: 143.0 mm (5.6 in) in 1939
The wettest day of the year at Osbornes Flat, 1904 to 1954. The record is 143.0 mm (5.6 in) in 1939, marked on the chart; the median year is 49.5 mm (1.9 in).
Wettest day (Rx1day) at Osbornes Flat by year
YearWettest day (Rx1day)
190451.6 mm (2.0 in)
190547.2 mm (1.9 in)
190669.6 mm (2.7 in)
190738.4 mm (1.5 in)
190838.1 mm (1.5 in)
190965.5 mm (2.6 in)
191044.7 mm (1.8 in)
191168.8 mm (2.7 in)
191242.2 mm (1.7 in)
191339.1 mm (1.5 in)
191450.5 mm (2.0 in)
191553.3 mm (2.1 in)
191668.6 mm (2.7 in)
191751.8 mm (2.0 in)
191876.2 mm (3.0 in)
191965.8 mm (2.6 in)
192045.0 mm (1.8 in)
192187.1 mm (3.4 in)
192249.5 mm (1.9 in)
192329.2 mm (1.1 in)
192488.9 mm (3.5 in)
192531.0 mm (1.2 in)
192679.5 mm (3.1 in)
192748.8 mm (1.9 in)
192850.8 mm (2.0 in)
192942.4 mm (1.7 in)
193051.3 mm (2.0 in)
193158.9 mm (2.3 in)
193249.5 mm (1.9 in)
193367.3 mm (2.6 in)
193478.0 mm (3.1 in)
193530.0 mm (1.2 in)
193652.1 mm (2.1 in)
193743.7 mm (1.7 in)
193817.8 mm (0.7 in)
1939143.0 mm (5.6 in)
194046.5 mm (1.8 in)
194163.8 mm (2.5 in)
194245.0 mm (1.8 in)
194342.7 mm (1.7 in)
194431.0 mm (1.2 in)
194556.4 mm (2.2 in)
194638.1 mm (1.5 in)
194747.5 mm (1.9 in)
194845.0 mm (1.8 in)
194967.3 mm (2.6 in)
195047.8 mm (1.9 in)
195115.5 mm (0.6 in)
195246.0 mm (1.8 in)
195345.5 mm (1.8 in)
195461.0 mm (2.4 in)

Wettest five days (Rx5day)

Wettest five days (Rx5day) at Osbornes Flat by year The wettest five days of the year at Osbornes Flat, 1904 to 1954. The record is 256.0 mm (10.1 in) in 1939, marked on the chart; the median year is 88.6 mm (3.5 in). 010020030019101920193019401950Record: 256.0 mm (10.1 in) in 1939
The wettest five days of the year at Osbornes Flat, 1904 to 1954. The record is 256.0 mm (10.1 in) in 1939, marked on the chart; the median year is 88.6 mm (3.5 in).
Wettest five days (Rx5day) at Osbornes Flat by year
YearWettest five days (Rx5day)
1904106.7 mm (4.2 in)
1905102.9 mm (4.1 in)
190697.0 mm (3.8 in)
190756.1 mm (2.2 in)
190865.1 mm (2.6 in)
1909102.9 mm (4.1 in)
191061.5 mm (2.4 in)
191184.8 mm (3.3 in)
1912112.3 mm (4.4 in)
191369.0 mm (2.7 in)
191458.7 mm (2.3 in)
1915127.4 mm (5.0 in)
191699.1 mm (3.9 in)
1917134.0 mm (5.3 in)
1918168.4 mm (6.6 in)
191993.2 mm (3.7 in)
192075.2 mm (3.0 in)
1921120.1 mm (4.7 in)
192274.4 mm (2.9 in)
192390.9 mm (3.6 in)
192497.5 mm (3.8 in)
192576.4 mm (3.0 in)
192689.2 mm (3.5 in)
192773.4 mm (2.9 in)
1928146.2 mm (5.8 in)
192994.2 mm (3.7 in)
193099.8 mm (3.9 in)
193182.0 mm (3.2 in)
193283.6 mm (3.3 in)
1933129.8 mm (5.1 in)
1934107.5 mm (4.2 in)
193581.0 mm (3.2 in)
1936101.1 mm (4.0 in)
193770.9 mm (2.8 in)
193822.2 mm (0.9 in)
1939256.0 mm (10.1 in)
194052.3 mm (2.1 in)
194184.1 mm (3.3 in)
194268.3 mm (2.7 in)
194348.7 mm (1.9 in)
194450.3 mm (2.0 in)
1945123.2 mm (4.9 in)
194693.0 mm (3.7 in)
194769.9 mm (2.8 in)
194866.9 mm (2.6 in)
194988.6 mm (3.5 in)
195089.4 mm (3.5 in)
195137.7 mm (1.5 in)
195279.7 mm (3.1 in)
195372.4 mm (2.9 in)
1954107.3 mm (4.2 in)

Longest dry spell (CDD)

Longest dry spell (CDD) at Osbornes Flat by year The longest dry spell of the year at Osbornes Flat, 1904 to 1954. The record is 127 days in 1923, marked on the chart; the median year is 30 days. 05010015019101920193019401950Record: 127 days in 1923
The longest dry spell of the year at Osbornes Flat, 1904 to 1954. The record is 127 days in 1923, marked on the chart; the median year is 30 days.
Longest dry spell (CDD) at Osbornes Flat by year
YearLongest dry spell (CDD)
190440 days
190524 days
190631 days
190725 days
190819 days
190923 days
191043 days
191120 days
191243 days
191330 days
191437 days
191523 days
191625 days
191726 days
191830 days
191948 days
192065 days
192131 days
192250 days
1923127 days
192434 days
192541 days
192673 days
192723 days
192833 days
192928 days
193043 days
193128 days
193223 days
193338 days
193440 days
193527 days
193631 days
193733 days
193833 days
193921 days
194030 days
194129 days
194224 days
194335 days
194424 days
194536 days
194618 days
194716 days
194840 days
194920 days
195023 days
195117 days
195226 days
195356 days
195423 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

38 years, 1905 to 1950

A day with at least 49.4 mm (1.9 in) of rain is expected about once in 2 years. A day with at least 127.9 mm (5.0 in) of rain is expected about once in 100 years.

Rainfall return levels at Osbornes Flat: the daily rain expected about once in a given number of years
Expected about once inA day with at leastNote
2 years49.4 mm (1.9 in)
5 years64.8 mm (2.6 in)
10 years76.9 mm (3.0 in)
25 years94.9 mm (3.7 in)
50 years110.4 mm (4.3 in)Longer than the 38 years of record
100 years127.9 mm (5.0 in)Longer than the 38 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, 38 years of values from 1905 to 1950.

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: 143.0 mm (5.6 in) in 1939; 87.1 mm (3.4 in) in 1921; 78.0 mm (3.1 in) in 1934.

Download the Data

  • Data for Osbornes Flat standing records by year: CSV or JSON. Field meanings are on the data page.
  • Data for Osbornes Flat 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).