Built 2026-11-13 (13 November 2026)

Extreme rain in Japan, 12 to 16 October 2026

Extreme rain in Japan, 12 to 16 October 2026: 21 records at 17 stations, peak on 13 October 2026. Closed.

Data as of . Last revised (2026-11-12).

Key Facts

  • Extreme rain in Japan, 12 to 16 October 2026 set or tied 21 station records at 17 stations.
  • It ran from 12 October 2026 to 16 October 2026 (5 days) and its peak day was 13 October 2026.
  • Status: closed.
  • Tsuruga set a daily record precipitation of 113.0 mm (4.4 in) on 14 October 2026 (provisional).
  • The busiest day was 13 October 2026 with 11 records.
  • The oldest broken record in the ranked list had stood for 75 years.

Footprint

12 to 16 October 2026
Footprint of Extreme rain in Japan, 12 to 16 October 2026 The area covered by Extreme rain in Japan, 12 to 16 October 2026 is outlined, with 16 of the stations that set records marked, coloured by record type.
The area covered by Extreme rain in Japan, 12 to 16 October 2026 is outlined, with 16 of the stations that set records marked, coloured by record type. Made with Natural Earth.
Footprint of Extreme rain in Japan, 12 to 16 October 2026: stations that set records in the event
StationTypeValueDate
TsurugaRecord daily precipitation113.0 mm (4.4 in)2026-10-14
MishimaRecord daily precipitation110.5 mm (4.4 in)2026-10-12
AkuneRecord daily precipitation176.5 mm (6.9 in)2026-10-14
KofuRecord daily precipitation126.0 mm (5.0 in)2026-10-15
KumagayaRecord daily precipitation114.5 mm (4.5 in)2026-10-15
TakamatsuRecord daily precipitation76.0 mm (3.0 in)2026-10-13
TakayamaRecord daily precipitation131.0 mm (5.2 in)2026-10-12
WakayamaRecord daily precipitation76.0 mm (3.0 in)2026-10-13
HamamatsuRecord daily precipitation89.5 mm (3.5 in)2026-10-13
SagaRecord daily precipitation77.0 mm (3.0 in)2026-10-13
ShionomisakiRecord daily precipitation96.0 mm (3.8 in)2026-10-13
HiroshimaRecord daily precipitation76.5 mm (3.0 in)2026-10-13
HitoyoshiRecord daily precipitation51.0 mm (2.0 in)2026-10-13
HamadaRecord daily precipitation105.0 mm (4.1 in)2026-10-14
KobeRecord daily precipitation76.5 mm (3.0 in)2026-10-13
IizukaRecord daily precipitation68.5 mm (2.7 in)2026-10-13

Records per Day

Peak day 11
Records per day during Extreme rain in Japan, 12 to 16 October 2026 Records set or tied each day from 12 October 2026 to 16 October 2026. The most in one day was 11 on 13 October 2026. 0 3 6 9 12 10-1210-1310-1410-1510-16
Records set or tied each day from 12 October 2026 to 16 October 2026. The most in one day was 11 on 13 October 2026.
Records per day during Extreme rain in Japan, 12 to 16 October 2026
DateRecords
2026-10-122
2026-10-1311
2026-10-145
2026-10-152
2026-10-161

Top Records by Margin

Margin over the record replaced
Top records of Extreme rain in Japan, 12 to 16 October 2026 ranked by margin
Kofu, 10-1595.0 mm (3.7 in)
Mishima, 10-1278.5 mm (3.1 in)
Kumagaya, 10-1565.2 mm (2.6 in)
Tsuruga, 10-1464.8 mm (2.6 in)
Shionomisaki, 10-1360.0 mm (2.4 in)
Takamatsu, 10-1341.4 mm (1.6 in)
Akune, 10-1439.0 mm (1.5 in)
Takayama, 10-1234.0 mm (1.3 in)
Hamamatsu, 10-1333.0 mm (1.3 in)
Wakayama, 10-1327.0 mm (1.1 in)
Hiroshima, 10-1318.0 mm (0.7 in)
Tsuruga, 10-1317.6 mm (0.7 in)
Hitoyoshi, 10-1315.5 mm (0.6 in)
Saga, 10-1311.6 mm (0.5 in)
Hamada, 10-138.0 mm (0.31 in)

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 against age of the broken record in Extreme rain in Japan, 12 to 16 October 2026 21 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right. 0 20 40 60 80 0255075100 Margin (mm) Years the old record stood
21 records plotted by how far they beat the old record (across) and how many years the old record had stood (up). Long standing records beaten by a wide margin sit in the top right.
Margin against age of the broken record in Extreme rain in Japan, 12 to 16 October 2026
Margin (mm)Years the old record stood
6575
7955
3975
9533
6568
4169
3427
2752
3352
1275
6036
1852
1656
375
660
852
852
1812
512
512
68

Compared With Other Events

Station records per event
Station records in Extreme rain in Japan, 12 to 16 October 2026 compared with similar events
Extreme rain in United States and Mexico, 23 February to 15 March 20192,223 records
Extreme rain in United States, 3 to 19 January 20242,133 records
Extreme rain in Australia, 7 to 26 March 20212,099 records
Extreme rain in United States and Mexico, 29 September to 19 October 20181,970 records
Extreme rain in United States, 19 December 2022 to 13 January 20231,941 records
Extreme rain in Japan, 12 to 16 October 2026 (this event)21 records

Every Record Set

20 of 21
Every record set or tied during Extreme rain in Japan, 12 to 16 October 2026, in date order
DateStationRecordValueMarginYears stoodSignificance
2026-10-12MishimaRecord daily precipitation (provisional)110.5 mm (4.4 in)78.5 mm (3.1 in)5558 of 100 (Notable)
2026-10-12TakayamaRecord daily precipitation (provisional)131.0 mm (5.2 in)34.0 mm (1.3 in)2747 of 100 (Notable)
2026-10-13TakamatsuRecord daily precipitation (provisional)76.0 mm (3.0 in)41.4 mm (1.6 in)6949 of 100 (Notable)
2026-10-13WakayamaRecord daily precipitation (provisional)76.0 mm (3.0 in)27.0 mm (1.1 in)5236 of 100 (Notable)
2026-10-13HamamatsuRecord daily precipitation (provisional)89.5 mm (3.5 in)33.0 mm (1.3 in)5235 of 100 (Notable)
2026-10-13SagaRecord daily precipitation (provisional)77.0 mm (3.0 in)11.6 mm (0.5 in)7535 of 100 (Notable)
2026-10-13ShionomisakiRecord daily precipitation (provisional)96.0 mm (3.8 in)60.0 mm (2.4 in)3633 of 100 (Routine)
2026-10-13HiroshimaRecord daily precipitation (provisional)76.5 mm (3.0 in)18.0 mm (0.7 in)5231 of 100 (Routine)
2026-10-13HitoyoshiRecord daily precipitation (provisional)51.0 mm (2.0 in)15.5 mm (0.6 in)5631 of 100 (Routine)
2026-10-13HamadaRecord daily precipitation (provisional)51.0 mm (2.0 in)8.0 mm (0.31 in)5227 of 100 (Routine)
2026-10-13KobeRecord daily precipitation (provisional)76.5 mm (3.0 in)8.0 mm (0.31 in)5227 of 100 (Routine)
2026-10-13TsurugaRecord daily precipitation (provisional)73.5 mm (2.9 in)17.6 mm (0.7 in)1221 of 100 (Routine)
2026-10-13IizukaRecord daily precipitation (provisional)68.5 mm (2.7 in)4.5 mm (0.18 in)1212 of 100 (Routine)
2026-10-14TsurugaRecord daily precipitation (provisional)113.0 mm (4.4 in)64.8 mm (2.6 in)7569 of 100 (Major)
2026-10-14AkuneRecord daily precipitation (provisional)176.5 mm (6.9 in)39.0 mm (1.5 in)7558 of 100 (Notable)
2026-10-14HamadaRecord daily precipitation (provisional)105.0 mm (4.1 in)2.7 mm (0.11 in)7530 of 100 (Routine)
2026-10-14WakayamaRecord daily precipitation (provisional)65.0 mm (2.6 in)6.1 mm (0.24 in)6028 of 100 (Routine)
2026-10-14KumagayaRecord daily precipitation (provisional)74.5 mm (2.9 in)5.4 mm (0.21 in)1212 of 100 (Routine)
2026-10-15KofuRecord daily precipitation (provisional)126.0 mm (5.0 in)95.0 mm (3.7 in)3357 of 100 (Notable)
2026-10-15KumagayaRecord daily precipitation (provisional)114.5 mm (4.5 in)65.2 mm (2.6 in)6856 of 100 (Notable)

The daily ledgers keep a limited number of records per day, so this list has 20 of the 21 records the event counts. The counts above use the full total.

Related Headlines

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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 2026-11-12. Events are found by this site from station records and are not official designations. Records are provisional until reprocessed.