On This Day, 20 January: Notable Weather Records
20 notable weather records on 20 January across the years, led by Mundaring, AU, with events and storms for the date.
Key Facts for 20 January
- 20 notable weather records were set or tied on 20 January in 12 years (1962 to 2023).
- Mundaring set a monthly record daily precipitation of 68.8 mm (2.7 in) on 20 January 2012.
- 1 extreme weather event peaked on 20 January.
- 1 named storm were active on 20 January.
Records on 20 January Through the Years
1962 to 2023| Date | Kind | Detail |
|---|---|---|
| 1962-01-20 | Record daily precipitation | Port Albert, 128.3 mm (5.1 in) |
| 1972-01-20 | Record daily snowfall | Summit, 111.8 cm (44.0 in) |
| 1972-01-20 | Record daily precipitation | Sub-Nigel (Gm), 169.0 mm (6.7 in) |
| 1978-01-20 | Record daily snowfall | Morgantown Muni AP, 21.6 cm (8.5 in) |
| 1988-01-20 | Record daily snowfall | St Peter, 35.6 cm (14.0 in) |
| 1988-01-20 | Record daily precipitation | Oconto 4 W, 43.2 mm (1.7 in) |
| 1990-01-20 | Record daily precipitation | Jasper, 71.1 mm (2.8 in) |
| 1990-01-20 | Record daily precipitation | Carroll, 38.4 mm (1.5 in) |
| 1993-01-20 | Record daily precipitation | Lafayette Rgnl AP, 253.7 mm (10.0 in) |
| 1995-01-20 | Record daily precipitation | Lockport 2SE, 47.0 mm (1.9 in) |
| 1995-01-20 | Record daily precipitation | Nymagee (Kenmure Station), 110.0 mm (4.3 in) |
| 1995-01-20 | Record daily precipitation | Warren (Mumblebone), 138.0 mm (5.4 in) |
| 2007-01-20 | Record daily precipitation | Branxholme (Bassett), 74.2 mm (2.9 in) |
| 2007-01-20 | Record daily precipitation | Bushy Park (Bushy Park Estates, 48.0 mm (1.9 in) |
| 2007-01-20 | Record daily precipitation | Corny Point, 107.0 mm (4.2 in) |
| 2007-01-20 | Record daily precipitation | Dergholm (Hillgrove), 138.2 mm (5.4 in) |
| 2012-01-20 | Record daily precipitation | Mundaring, 68.8 mm (2.7 in) |
| 2016-01-20 | Record daily precipitation | Kendenup, 56.0 mm (2.2 in) |
| 2020-01-20 | Record daily precipitation | Mierkenis_A, 32.5 mm (1.3 in) |
| 2023-01-20 | Record daily precipitation | Colville, 32.5 mm (1.3 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 20 January 2012 | Mundaring, AU | monthly rain | 68.8 mm (2.7 in) | 32.0 mm (1.3 in) | 88 years | 86 of 100 (Exceptional) |
| 20 January 1993 | Lafayette Rgnl AP, US | monthly rain | 253.7 mm (10.0 in) | 106.4 mm (4.2 in) | 76 years | 83 of 100 (Exceptional) |
| 20 January 1962 | Port Albert, AU | all-time rain | 128.3 mm (5.1 in) | 22.4 mm (0.9 in) | 83 years | 81 of 100 (Exceptional) |
| 20 January 1972 | Summit, US | all-time snowfall | 111.8 cm (44.0 in) | 30.5 cm (12.0 in) | 68 years | 81 of 100 (Exceptional) |
| 20 January 2023 | Colville, US | daily rain | 32.5 mm (1.3 in) | 24.9 mm (1.0 in) | 120 years | 80 of 100 (Exceptional) |
| 20 January 2007 | Branxholme (Bassett), AU | daily rain | 74.2 mm (2.9 in) | 55.7 mm (2.2 in) | 106 years | 80 of 100 (Exceptional) |
| 20 January 2007 | Bushy Park (Bushy Park Estates, AU | daily rain | 48.0 mm (1.9 in) | 31.2 mm (1.2 in) | 106 years | 80 of 100 (Exceptional) |
| 20 January 1978 | Morgantown Muni AP, US | daily snowfall | 21.6 cm (8.5 in) | 15.2 cm (6.0 in) | 104 years | 80 of 100 (Exceptional) |
| 20 January 2020 | Mierkenis_A, SE | daily rain | 32.5 mm (1.3 in) | 24.1 mm (0.9 in) | 98 years | 79 of 100 (Major) |
| 20 January 2016 | Kendenup, AU | daily rain | 56.0 mm (2.2 in) | 29.1 mm (1.1 in) | 97 years | 79 of 100 (Major) |
| 20 January 1995 | Lockport 2SE, US | daily rain | 47.0 mm (1.9 in) | 22.9 mm (0.9 in) | 96 years | 79 of 100 (Major) |
| 20 January 1995 | Nymagee (Kenmure Station), AU | daily rain | 110.0 mm (4.3 in) | 71.1 mm (2.8 in) | 94 years | 78 of 100 (Major) |
| 20 January 1972 | Sub-Nigel (Gm), ZA | all-time rain | 169.0 mm (6.7 in) | 47.1 mm (1.9 in) | 61 years | 78 of 100 (Major) |
| 20 January 2007 | Corny Point, AU | monthly rain | 107.0 mm (4.2 in) | 46.5 mm (1.8 in) | 61 years | 78 of 100 (Major) |
| 20 January 1995 | Warren (Mumblebone), AU | monthly rain | 138.0 mm (5.4 in) | 61.8 mm (2.4 in) | 60 years | 78 of 100 (Major) |
| 20 January 2007 | Dergholm (Hillgrove), AU | all-time rain | 138.2 mm (5.4 in) | 65.4 mm (2.6 in) | 29 years | 78 of 100 (Major) |
| 20 January 1990 | Jasper, US | daily rain | 71.1 mm (2.8 in) | 55.9 mm (2.2 in) | 95 years | 77 of 100 (Major) |
| 20 January 1990 | Carroll, US | daily rain | 38.4 mm (1.5 in) | 32.8 mm (1.3 in) | 95 years | 77 of 100 (Major) |
| 20 January 1988 | St Peter, US | daily snowfall | 35.6 cm (14.0 in) | 25.4 cm (10.0 in) | 93 years | 77 of 100 (Major) |
| 20 January 1988 | Oconto 4 W, US | daily rain | 43.2 mm (1.7 in) | 25.2 mm (1.0 in) | 93 years | 77 of 100 (Major) |
Events
Storms
Download the Data
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 2026-10-12 (12 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-12).