Extreme rain in Japan, 3 August 2026
Extreme rain in Japan, 3 August 2026: 5 records at 5 stations, peak on 3 August 2026. Closed.
Data as of . Last revised (2026-10-18).
Key Facts
- Extreme rain in Japan, 3 August 2026 set or tied 5 station records at 5 stations.
- It ran from 3 August 2026 to 3 August 2026 (1 days) and its peak day was 3 August 2026.
- Status: closed.
- Fukuyama set a daily record precipitation of 133.5 mm (5.3 in) on 3 August 2026.
- The busiest day was 3 August 2026 with 5 records.
- The oldest broken record in the ranked list had stood for 53 years.
Footprint
3 to 3 August 2026| Station | Type | Value | Date |
|---|---|---|---|
| Fukuyama | Record daily precipitation | 133.5 mm (5.3 in) | 2026-08-03 |
| Kure Reg Met HQ | Record daily precipitation | 236.0 mm (9.3 in) | 2026-08-03 |
| Matsuyama | Record daily precipitation | 72.5 mm (2.9 in) | 2026-08-03 |
| Tokushima | Record daily precipitation | 306.0 mm (12.0 in) | 2026-08-03 |
| Tottori | Record daily precipitation | 20.5 mm (0.8 in) | 2026-08-03 |
Records per Day
Peak day 5| Date | Records |
|---|---|
| 2026-08-03 | 5 |
Top Records by Margin
Margin over the record replaced| Fukuyama, 08-03 | |
|---|---|
| Tokushima, 08-03 | |
| Matsuyama, 08-03 | |
| Kure Reg Met HQ, 08-03 | |
| Tottori, 08-03 |
Margin is how far the new value is beyond the record it replaced. Ties are not shown.
Margin Against Age of the Broken Record
| Margin (mm) | Years the old record stood |
|---|---|
| 101 | 49 |
| 31 | 53 |
| 33 | 48 |
| 36 | 16 |
| 2 | 49 |
Compared With Other Events
Station records per event| Extreme rain in United States and Mexico, 23 February to 15 March 2019 | |
|---|---|
| Extreme rain in United States, 3 to 19 January 2024 | |
| Extreme rain in Australia, 7 to 26 March 2021 | |
| Extreme rain in United States and Mexico, 29 September to 19 October 2018 | |
| Extreme rain in United States, 19 December 2022 to 13 January 2023 | |
| Extreme rain in Japan, 3 August 2026 (this event) |
Every Record Set
5 of 5| Date | Station | Record | Value | Margin | Years stood | Significance |
|---|---|---|---|---|---|---|
| 2026-08-03 | Fukuyama | Record daily precipitation | 133.5 mm (5.3 in) | 100.5 mm (4.0 in) | 49 | 61 of 100 (Major) |
| 2026-08-03 | Kure Reg Met HQ | Record daily precipitation | 236.0 mm (9.3 in) | 31.0 mm (1.2 in) | 53 | 47 of 100 (Notable) |
| 2026-08-03 | Matsuyama | Record daily precipitation | 72.5 mm (2.9 in) | 33.0 mm (1.3 in) | 48 | 38 of 100 (Notable) |
| 2026-08-03 | Tokushima | Record daily precipitation | 306.0 mm (12.0 in) | 36.0 mm (1.4 in) | 16 | 33 of 100 (Routine) |
| 2026-08-03 | Tottori | Record daily precipitation | 20.5 mm (0.8 in) | 1.5 mm (0.06 in) | 49 | 20 of 100 (Routine) |
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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 2026-10-18. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.