Built 2026-10-19 (19 October 2026)

On This Day, 15 August: Notable Weather Records

20 notable weather records on 15 August across the years, led by Trafalgar Toseland Road, AU, with events and storms for the date.

Key Facts for 15 August

  • 20 notable weather records were set or tied on 15 August in 9 years (1940 to 2022).
  • Trafalgar Toseland Road set a monthly record daily precipitation of 87.0 mm (3.4 in) on 15 August 2022.
  • 2 extreme weather events peaked on 15 August.
  • 3 named storms were active on 15 August.

Records on 15 August Through the Years

1940 to 2022
Notable records on 15 August by year and type 20 notable records were set or tied on 15 August between 1940 and 2022. Each dot is a record, in the lane of its type. Record daily precipitation15 August 2022: Trafalgar Toseland Road, 87.0 mm (3.4 in)15 August 2022: Inverloch, 91.0 mm (3.6 in)15 August 2014: Gammon Ranges (Wooltana), 58.0 mm (2.3 in)15 August 2011: Seabrook Farms, 270.3 mm (10.6 in)15 August 2011: Ostas I Hegra, 71.7 mm (2.8 in)15 August 1986: Aramac Post Office, 40.0 mm (1.6 in)15 August 2011: Dover, 117.3 mm (4.6 in)15 August 2022: Vanersborg, 52.2 mm (2.1 in)15 August 1958: Mallan (Niemur Valley), 59.9 mm (2.4 in)15 August 1940: Clarksville, 210.1 mm (8.3 in)15 August 1959: Goldberg, 124.2 mm (4.9 in)15 August 2022: Oatlands Post Office, 46.6 mm (1.8 in)15 August 1958: Moulamein Post Office, 73.7 mm (2.9 in)15 August 2022: Ashton 1N, 58.4 mm (2.3 in)15 August 1986: Walgett (Dungalear), 30.2 mm (1.2 in)15 August 1988: Aleksandrovsk-Sahalinskij, 54.6 mm (2.1 in)15 August 1962: Gabo Island Lighthouse, 54.9 mm (2.2 in)15 August 1986: Goonumbla (Coradgery), 36.2 mm (1.4 in)15 August 1986: Wyanga (Barcoo), 83.0 mm (3.3 in)15 August 1958: Yunta (Winnininnie), 41.1 mm (1.6 in)19501965198019952010
20 notable records were set or tied on 15 August between 1940 and 2022. Each dot is a record, in the lane of its type.
Notable records on 15 August by year and type
DateKindDetail
1940-08-15Record daily precipitationClarksville, 210.1 mm (8.3 in)
1958-08-15Record daily precipitationMallan (Niemur Valley), 59.9 mm (2.4 in)
1958-08-15Record daily precipitationMoulamein Post Office, 73.7 mm (2.9 in)
1958-08-15Record daily precipitationYunta (Winnininnie), 41.1 mm (1.6 in)
1959-08-15Record daily precipitationGoldberg, 124.2 mm (4.9 in)
1962-08-15Record daily precipitationGabo Island Lighthouse, 54.9 mm (2.2 in)
1986-08-15Record daily precipitationAramac Post Office, 40.0 mm (1.6 in)
1986-08-15Record daily precipitationWalgett (Dungalear), 30.2 mm (1.2 in)
1986-08-15Record daily precipitationGoonumbla (Coradgery), 36.2 mm (1.4 in)
1986-08-15Record daily precipitationWyanga (Barcoo), 83.0 mm (3.3 in)
1988-08-15Record daily precipitationAleksandrovsk-Sahalinskij, 54.6 mm (2.1 in)
2011-08-15Record daily precipitationSeabrook Farms, 270.3 mm (10.6 in)
2011-08-15Record daily precipitationOstas I Hegra, 71.7 mm (2.8 in)
2011-08-15Record daily precipitationDover, 117.3 mm (4.6 in)
2014-08-15Record daily precipitationGammon Ranges (Wooltana), 58.0 mm (2.3 in)
2022-08-15Record daily precipitationTrafalgar Toseland Road, 87.0 mm (3.4 in)
2022-08-15Record daily precipitationInverloch, 91.0 mm (3.6 in)
2022-08-15Record daily precipitationVanersborg, 52.2 mm (2.1 in)
2022-08-15Record daily precipitationOatlands Post Office, 46.6 mm (1.8 in)
2022-08-15Record daily precipitationAshton 1N, 58.4 mm (2.3 in)

Notable Records

Notable records on 15 August, by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
15 August 2022Trafalgar Toseland Road, AUmonthly rain87.0 mm (3.4 in)33.4 mm (1.3 in)88 years86 of 100 (Exceptional)
15 August 2022Inverloch, AUmonthly rain91.0 mm (3.6 in)45.5 mm (1.8 in)87 years86 of 100 (Exceptional)
15 August 2014Gammon Ranges (Wooltana), AUmonthly rain58.0 mm (2.3 in)19.6 mm (0.8 in)112 years85 of 100 (Exceptional)
15 August 2011Seabrook Farms, USall-time rain270.3 mm (10.6 in)103.4 mm (4.1 in)60 years84 of 100 (Exceptional)
15 August 2011Ostas I Hegra, NOdaily rain71.7 mm (2.8 in)44.6 mm (1.8 in)108 years80 of 100 (Exceptional)
15 August 1986Aramac Post Office, AUdaily rain40.0 mm (1.6 in)40.0 mm (1.6 in)105 years78 of 100 (Major)
15 August 2011Dover, USdaily rain117.3 mm (4.6 in)77.2 mm (3.0 in)100 years78 of 100 (Major)
15 August 2022Vanersborg, SEdaily rain52.2 mm (2.1 in)29.5 mm (1.2 in)97 years78 of 100 (Major)
15 August 1958Mallan (Niemur Valley), AUmonthly rain59.9 mm (2.4 in)21.8 mm (0.9 in)68 years78 of 100 (Major)
15 August 1940Clarksville, USall-time rain210.1 mm (8.3 in)100.9 mm (4.0 in)44 years78 of 100 (Major)
15 August 1959Goldberg, DEall-time rain124.2 mm (4.9 in)59.7 mm (2.4 in)39 years78 of 100 (Major)
15 August 2022Oatlands Post Office, AUdaily rain46.6 mm (1.8 in)22.2 mm (0.9 in)92 years77 of 100 (Major)
15 August 1958Moulamein Post Office, AUmonthly rain73.7 mm (2.9 in)36.1 mm (1.4 in)68 years77 of 100 (Major)
15 August 2022Ashton 1N, USmonthly rain58.4 mm (2.3 in)24.9 mm (1.0 in)56 years77 of 100 (Major)
15 August 1986Walgett (Dungalear), AUdaily rain30.2 mm (1.2 in)30.2 mm (1.2 in)103 years76 of 100 (Major)
15 August 1988Aleksandrovsk-Sahalinskij, RUdaily rain54.6 mm (2.1 in)31.4 mm (1.2 in)102 years76 of 100 (Major)
15 August 1962Gabo Island Lighthouse, AUdaily rain54.9 mm (2.2 in)33.3 mm (1.3 in)94 years76 of 100 (Major)
15 August 1986Goonumbla (Coradgery), AUdaily rain36.2 mm (1.4 in)29.1 mm (1.1 in)93 years76 of 100 (Major)
15 August 1986Wyanga (Barcoo), AUmonthly rain83.0 mm (3.3 in)25.8 mm (1.0 in)83 years76 of 100 (Major)
15 August 1958Yunta (Winnininnie), AUmonthly rain41.1 mm (1.6 in)16.2 mm (0.6 in)67 years76 of 100 (Major)

Events

Storms

Download the Data

  • Data for records on 15 August: 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.

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