On This Day, 20 August: Notable Weather Records
20 notable weather records on 20 August across the years, led by China Lake Naf, US, with events and storms for the date.
Key Facts for 20 August
- 20 notable weather records were set or tied on 20 August in 10 years (1980 to 2025).
- China Lake Naf set an all-time record daily precipitation of 110.0 mm (4.3 in) on 20 August 2023.
- 3 extreme weather events peaked on 20 August.
- 8 named storms were active on 20 August.
Records on 20 August Through the Years
1980 to 2025| Date | Kind | Detail |
|---|---|---|
| 1980-08-20 | Record daily precipitation | Beaufort, 33.4 mm (1.3 in) |
| 1991-08-20 | Record daily precipitation | Lawrence, 153.7 mm (6.1 in) |
| 2002-08-20 | Record daily precipitation | Elida, 184.4 mm (7.3 in) |
| 2004-08-20 | Record daily precipitation | Hot Springs 1 NNE, 120.1 mm (4.7 in) |
| 2007-08-20 | Record daily precipitation | Wyong (Wyong Golf Club), 111.0 mm (4.4 in) |
| 2007-08-20 | Record daily precipitation | Pennant Hills (Yarrara Road), 105.6 mm (4.2 in) |
| 2007-08-20 | Record daily precipitation | Bilpin (Fern Grove), 96.2 mm (3.8 in) |
| 2007-08-20 | Record daily precipitation | Berowra (Goodwyn Road), 114.2 mm (4.5 in) |
| 2008-08-20 | Record daily precipitation | Moore Haven Lock 1, 296.4 mm (11.7 in) |
| 2008-08-20 | Record daily precipitation | Ft Pierce, 307.6 mm (12.1 in) |
| 2008-08-20 | Record daily precipitation | Falls City 2 SSW, 32.0 mm (1.3 in) |
| 2017-08-20 | Record daily precipitation | Podor, 180.1 mm (7.1 in) |
| 2021-08-20 | Record daily precipitation | Buffalo Bill Dam, 31.0 mm (1.2 in) |
| 2021-08-20 | Record daily precipitation | Suntar, 99.1 mm (3.9 in) |
| 2023-08-20 | Record daily precipitation | China Lake Naf, 110.0 mm (4.3 in) |
| 2023-08-20 | Record daily precipitation | Tonopah AP, 64.8 mm (2.6 in) |
| 2023-08-20 | Record daily precipitation | Megri, 99.1 mm (3.9 in) |
| 2023-08-20 | Record daily precipitation | Avalon Catalina AP, 102.6 mm (4.0 in) |
| 2023-08-20 | Record daily precipitation | Pasadena, 30.5 mm (1.2 in) |
| 2025-08-20 | Record daily precipitation | Freiburg, 77.7 mm (3.1 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 20 August 2023 | China Lake Naf, US | all-time rain | 110.0 mm (4.3 in) | 48.0 mm (1.9 in) | 79 years | 91 of 100 (Exceptional) |
| 20 August 2008 | Moore Haven Lock 1, US | all-time rain | 296.4 mm (11.7 in) | 83.0 mm (3.3 in) | 72 years | 90 of 100 (Exceptional) |
| 20 August 2002 | Elida, US | all-time rain | 184.4 mm (7.3 in) | 44.7 mm (1.8 in) | 88 years | 89 of 100 (Exceptional) |
| 20 August 2017 | Podor, SN | all-time rain | 180.1 mm (7.1 in) | 47.1 mm (1.9 in) | 97 years | 85 of 100 (Exceptional) |
| 20 August 2008 | Ft Pierce, US | all-time rain | 307.6 mm (12.1 in) | 53.6 mm (2.1 in) | 71 years | 85 of 100 (Exceptional) |
| 20 August 2025 | Freiburg, DE | daily rain | 77.7 mm (3.1 in) | 35.7 mm (1.4 in) | 144 years | 80 of 100 (Exceptional) |
| 20 August 2021 | Buffalo Bill Dam, US | daily rain | 31.0 mm (1.2 in) | 19.8 mm (0.8 in) | 115 years | 80 of 100 (Exceptional) |
| 20 August 2008 | Falls City 2 SSW, US | daily rain | 32.0 mm (1.3 in) | 24.9 mm (1.0 in) | 108 years | 80 of 100 (Exceptional) |
| 20 August 2007 | Wyong (Wyong Golf Club), AU | daily rain | 111.0 mm (4.4 in) | 72.9 mm (2.9 in) | 107 years | 80 of 100 (Exceptional) |
| 20 August 2007 | Pennant Hills (Yarrara Road), AU | daily rain | 105.6 mm (4.2 in) | 84.0 mm (3.3 in) | 105 years | 80 of 100 (Exceptional) |
| 20 August 2021 | Suntar, RU | all-time rain | 99.1 mm (3.9 in) | 18.2 mm (0.7 in) | 76 years | 80 of 100 (Exceptional) |
| 20 August 2023 | Tonopah AP, US | all-time rain | 64.8 mm (2.6 in) | 23.7 mm (0.9 in) | 46 years | 80 of 100 (Exceptional) |
| 20 August 2007 | Bilpin (Fern Grove), AU | daily rain | 96.2 mm (3.8 in) | 70.3 mm (2.8 in) | 105 years | 79 of 100 (Major) |
| 20 August 2023 | Megri, AM | all-time rain | 99.1 mm (3.9 in) | 46.4 mm (1.8 in) | 36 years | 79 of 100 (Major) |
| 20 August 2007 | Berowra (Goodwyn Road), AU | daily rain | 114.2 mm (4.5 in) | 101.8 mm (4.0 in) | 96 years | 78 of 100 (Major) |
| 20 August 2004 | Hot Springs 1 NNE, US | daily rain | 120.1 mm (4.7 in) | 82.5 mm (3.2 in) | 94 years | 78 of 100 (Major) |
| 20 August 2023 | Avalon Catalina AP, US | monthly rain | 102.6 mm (4.0 in) | 101.8 mm (4.0 in) | 71 years | 78 of 100 (Major) |
| 20 August 1991 | Lawrence, US | monthly rain | 153.7 mm (6.1 in) | 53.1 mm (2.1 in) | 63 years | 78 of 100 (Major) |
| 20 August 2023 | Pasadena, US | daily rain | 30.5 mm (1.2 in) | 30.5 mm (1.2 in) | 129 years | 77 of 100 (Major) |
| 20 August 1980 | Beaufort, AU | daily rain | 33.4 mm (1.3 in) | 22.0 mm (0.9 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 2026-10-17 (17 October 2026). Records are computed by this site and are not official.
Data as of . Last revised (2026-10-17).