On This Day, 20 October: Notable Weather Records
20 notable weather records on 20 October across the years, led by Paso Robles, US, with events and storms for the date.
Key Facts for 20 October
- 20 notable weather records were set or tied on 20 October in 11 years (1983 to 2024).
- Paso Robles set a monthly record daily precipitation of 69.1 mm (2.7 in) on 20 October 2004.
- 4 extreme weather events peaked on 20 October.
- 3 named storms were active on 20 October.
Records on 20 October Through the Years
1983 to 2024| Date | Kind | Detail |
|---|---|---|
| 1983-10-20 | Record daily precipitation | Shawnee, 269.7 mm (10.6 in) |
| 1993-10-20 | Record daily precipitation | Amity, 125.0 mm (4.9 in) |
| 2003-10-20 | Record daily precipitation | Seattle Tacoma AP, 127.5 mm (5.0 in) |
| 2004-10-20 | Record daily precipitation | Paso Robles, 69.1 mm (2.7 in) |
| 2004-10-20 | Record daily precipitation | Pasadena, 130.6 mm (5.1 in) |
| 2004-10-20 | Record daily precipitation | Harrington (Oxley Anchorage Ca, 103.0 mm (4.1 in) |
| 2004-10-20 | Record daily precipitation | Taree (Radio Station 2Re), 132.2 mm (5.2 in) |
| 2011-10-20 | Record daily precipitation | Berne Wwtp, 53.8 mm (2.1 in) |
| 2011-10-20 | Record daily precipitation | Fremont, 63.8 mm (2.5 in) |
| 2011-10-20 | Record daily precipitation | Lima Wwtp, 76.5 mm (3.0 in) |
| 2011-10-20 | Record daily precipitation | Tiffin, 57.2 mm (2.3 in) |
| 2011-10-20 | Record daily precipitation | Vladikavkaz, 37.4 mm (1.5 in) |
| 2014-10-20 | Record daily precipitation | Oak Park, 36.0 mm (1.4 in) |
| 2014-10-20 | Record daily precipitation | Kojonup, 32.6 mm (1.3 in) |
| 2014-10-20 | Record daily precipitation | Badgebup, 75.8 mm (3.0 in) |
| 2016-10-20 | Record daily precipitation | Edwardsville 2 W, 113.0 mm (4.4 in) |
| 2017-10-20 | Record daily precipitation | Wanaaring Post Office, 70.1 mm (2.8 in) |
| 2021-10-20 | Record daily precipitation | Ljungby, 56.1 mm (2.2 in) |
| 2023-10-20 | Record daily precipitation | Groningen-1, 38.0 mm (1.5 in) |
| 2024-10-20 | Record daily precipitation | Blaine, 64.0 mm (2.5 in) |
Notable Records
| Date | Station | Record | Value | Beat old record by | Old record stood | Significance |
|---|---|---|---|---|---|---|
| 20 October 2004 | Paso Robles, US | monthly rain | 69.1 mm (2.7 in) | 26.9 mm (1.1 in) | 107 years | 89 of 100 (Exceptional) |
| 20 October 1983 | Shawnee, US | all-time rain | 269.7 mm (10.6 in) | 84.3 mm (3.3 in) | 55 years | 84 of 100 (Exceptional) |
| 20 October 2004 | Pasadena, US | monthly rain | 130.6 mm (5.1 in) | 47.8 mm (1.9 in) | 70 years | 81 of 100 (Exceptional) |
| 20 October 2023 | Groningen-1, NL | daily rain | 38.0 mm (1.5 in) | 19.6 mm (0.8 in) | 147 years | 80 of 100 (Exceptional) |
| 20 October 2017 | Wanaaring Post Office, AU | daily rain | 70.1 mm (2.8 in) | 50.5 mm (2.0 in) | 126 years | 80 of 100 (Exceptional) |
| 20 October 2014 | Oak Park, AU | daily rain | 36.0 mm (1.4 in) | 22.3 mm (0.9 in) | 100 years | 80 of 100 (Exceptional) |
| 20 October 2004 | Harrington (Oxley Anchorage Ca, AU | daily rain | 103.0 mm (4.1 in) | 49.7 mm (2.0 in) | 109 years | 79 of 100 (Major) |
| 20 October 2014 | Kojonup, AU | daily rain | 32.6 mm (1.3 in) | 21.9 mm (0.9 in) | 99 years | 79 of 100 (Major) |
| 20 October 2011 | Berne Wwtp, US | daily rain | 53.8 mm (2.1 in) | 39.3 mm (1.5 in) | 97 years | 79 of 100 (Major) |
| 20 October 2011 | Fremont, US | daily rain | 63.8 mm (2.5 in) | 47.3 mm (1.9 in) | 97 years | 79 of 100 (Major) |
| 20 October 2011 | Lima Wwtp, US | daily rain | 76.5 mm (3.0 in) | 60.0 mm (2.4 in) | 97 years | 79 of 100 (Major) |
| 20 October 2011 | Tiffin, US | daily rain | 57.2 mm (2.3 in) | 42.5 mm (1.7 in) | 97 years | 79 of 100 (Major) |
| 20 October 2011 | Vladikavkaz, RU | daily rain | 37.4 mm (1.5 in) | 24.5 mm (1.0 in) | 127 years | 78 of 100 (Major) |
| 20 October 2024 | Blaine, US | daily rain | 64.0 mm (2.5 in) | 32.5 mm (1.3 in) | 109 years | 78 of 100 (Major) |
| 20 October 2016 | Edwardsville 2 W, US | monthly rain | 113.0 mm (4.4 in) | 35.5 mm (1.4 in) | 106 years | 78 of 100 (Major) |
| 20 October 2021 | Ljungby, SE | monthly rain | 56.1 mm (2.2 in) | 16.1 mm (0.6 in) | 95 years | 78 of 100 (Major) |
| 20 October 2014 | Badgebup, AU | monthly rain | 75.8 mm (3.0 in) | 33.1 mm (1.3 in) | 61 years | 78 of 100 (Major) |
| 20 October 2003 | Seattle Tacoma AP, US | all-time rain | 127.5 mm (5.0 in) | 40.9 mm (1.6 in) | 43 years | 78 of 100 (Major) |
| 20 October 2004 | Taree (Radio Station 2Re), AU | daily rain | 132.2 mm (5.2 in) | 47.4 mm (1.9 in) | 109 years | 77 of 100 (Major) |
| 20 October 1993 | Amity, US | daily rain | 125.0 mm (4.9 in) | 95.0 mm (3.7 in) | 94 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).