Built 2026-10-19 (19 October 2026)

On This Day, 11 August: Notable Weather Records

20 notable weather records on 11 August across the years, led by Cape Leeuwin, AU, with events and storms for the date.

Key Facts for 11 August

  • 20 notable weather records were set or tied on 11 August in 12 years (1975 to 2026).
  • Cape Leeuwin set an all-time record daily precipitation of 174.0 mm (6.9 in) on 11 August 1994.
  • 3 extreme weather events peaked on 11 August.
  • 6 named storms were active on 11 August.

Records on 11 August Through the Years

1975 to 2026
Notable records on 11 August by year and type 20 notable records were set or tied on 11 August between 1975 and 2026. Each dot is a record, in the lane of its type. Record daily precipitation11 August 1994: Cape Leeuwin, 174.0 mm (6.9 in)11 August 2014: Gajny, 99.1 mm (3.9 in)11 August 2017: Fossil, 106.7 mm (4.2 in)11 August 2005: Mexican Hat, 53.3 mm (2.1 in)11 August 2011: Dzaore, 164.4 mm (6.5 in)11 August 1994: Coolgardie Post Office, 53.0 mm (2.1 in)11 August 1975: Port Elliot Caravan Park, 76.8 mm (3.0 in)11 August 2022: Mountainair, 66.0 mm (2.6 in)11 August 2019: Saint Maries, 38.1 mm (1.5 in)11 August 2002: Passau-Maierhof, 80.6 mm (3.2 in)11 August 2016: Medford, 89.9 mm (3.5 in)11 August 2010: Moutajup, 31.2 mm (1.2 in)11 August 2014: Cherdyn', 61.7 mm (2.4 in)11 August 1975: Victor Harbor Comparison, 59.0 mm (2.3 in)11 August 2026: Ruhnu, 70.5 mm (2.8 in)11 August 2002: Salzburg, 78.3 mm (3.1 in)11 August 2010: Mingela Post Office, 66.0 mm (2.6 in)11 August 2002: Verhojansk, 26.7 mm (1.1 in)11 August 2010: Amcor - Petrie Mill, 91.8 mm (3.6 in)11 August 2010: Sandy Cape Lighthouse, 84.0 mm (3.3 in)19801990200020102020
20 notable records were set or tied on 11 August between 1975 and 2026. Each dot is a record, in the lane of its type.
Notable records on 11 August by year and type
DateKindDetail
1975-08-11Record daily precipitationPort Elliot Caravan Park, 76.8 mm (3.0 in)
1975-08-11Record daily precipitationVictor Harbor Comparison, 59.0 mm (2.3 in)
1994-08-11Record daily precipitationCape Leeuwin, 174.0 mm (6.9 in)
1994-08-11Record daily precipitationCoolgardie Post Office, 53.0 mm (2.1 in)
2002-08-11Record daily precipitationPassau-Maierhof, 80.6 mm (3.2 in)
2002-08-11Record daily precipitationSalzburg, 78.3 mm (3.1 in)
2002-08-11Record daily precipitationVerhojansk, 26.7 mm (1.1 in)
2005-08-11Record daily precipitationMexican Hat, 53.3 mm (2.1 in)
2010-08-11Record daily precipitationMoutajup, 31.2 mm (1.2 in)
2010-08-11Record daily precipitationMingela Post Office, 66.0 mm (2.6 in)
2010-08-11Record daily precipitationAmcor - Petrie Mill, 91.8 mm (3.6 in)
2010-08-11Record daily precipitationSandy Cape Lighthouse, 84.0 mm (3.3 in)
2011-08-11Record daily precipitationDzaore, 164.4 mm (6.5 in)
2014-08-11Record daily precipitationGajny, 99.1 mm (3.9 in)
2014-08-11Record daily precipitationCherdyn', 61.7 mm (2.4 in)
2016-08-11Record daily precipitationMedford, 89.9 mm (3.5 in)
2017-08-11Record daily precipitationFossil, 106.7 mm (4.2 in)
2019-08-11Record daily precipitationSaint Maries, 38.1 mm (1.5 in)
2022-08-11Record daily precipitationMountainair, 66.0 mm (2.6 in)
2026-08-11Record daily precipitationRuhnu, 70.5 mm (2.8 in)

Notable Records

Notable records on 11 August, by significance
DateStationRecordValueBeat old record byOld record stoodSignificance
11 August 1994Cape Leeuwin, AUall-time rain174.0 mm (6.9 in)50.8 mm (2.0 in)77 years92 of 100 (Exceptional)
11 August 2014Gajny, RUall-time rain99.1 mm (3.9 in)37.3 mm (1.5 in)78 years90 of 100 (Exceptional)
11 August 2017Fossil, USall-time rain106.7 mm (4.2 in)55.9 mm (2.2 in)66 years89 of 100 (Exceptional)
11 August 2005Mexican Hat, USall-time rain53.3 mm (2.1 in)19.3 mm (0.8 in)58 years83 of 100 (Exceptional)
11 August 2011Dzaore, RUall-time rain164.4 mm (6.5 in)57.5 mm (2.3 in)53 years83 of 100 (Exceptional)
11 August 1994Coolgardie Post Office, AUmonthly rain53.0 mm (2.1 in)20.0 mm (0.8 in)79 years81 of 100 (Exceptional)
11 August 1975Port Elliot Caravan Park, AUmonthly rain76.8 mm (3.0 in)40.2 mm (1.6 in)71 years81 of 100 (Exceptional)
11 August 2022Mountainair, USdaily rain66.0 mm (2.6 in)40.1 mm (1.6 in)120 years80 of 100 (Exceptional)
11 August 2019Saint Maries, USdaily rain38.1 mm (1.5 in)28.4 mm (1.1 in)118 years80 of 100 (Exceptional)
11 August 2002Passau-Maierhof, DEdaily rain80.6 mm (3.2 in)40.2 mm (1.6 in)115 years80 of 100 (Exceptional)
11 August 2016Medford, USdaily rain89.9 mm (3.5 in)56.9 mm (2.2 in)107 years80 of 100 (Exceptional)
11 August 2010Moutajup, AUdaily rain31.2 mm (1.2 in)18.2 mm (0.7 in)100 years80 of 100 (Exceptional)
11 August 2014Cherdyn', RUdaily rain61.7 mm (2.4 in)38.2 mm (1.5 in)100 years80 of 100 (Exceptional)
11 August 1975Victor Harbor Comparison, AUmonthly rain59.0 mm (2.3 in)22.2 mm (0.9 in)71 years80 of 100 (Exceptional)
11 August 2026Ruhnu, LVdaily rain70.5 mm (2.8 in)33.5 mm (1.3 in)99 years79 of 100 (Major)
11 August 2002Salzburg, ATdaily rain78.3 mm (3.1 in)48.7 mm (1.9 in)96 years79 of 100 (Major)
11 August 2010Mingela Post Office, AUdaily rain66.0 mm (2.6 in)48.7 mm (1.9 in)110 years78 of 100 (Major)
11 August 2002Verhojansk, RUdaily rain26.7 mm (1.1 in)16.4 mm (0.6 in)96 years78 of 100 (Major)
11 August 2010Amcor - Petrie Mill, AUdaily rain91.8 mm (3.6 in)65.9 mm (2.6 in)93 years78 of 100 (Major)
11 August 2010Sandy Cape Lighthouse, AUdaily rain84.0 mm (3.3 in)42.6 mm (1.7 in)114 years77 of 100 (Major)

Events

Storms

Download the Data

  • Data for records on 11 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).