| 2026-10-01 | Sapporo | Record daily precipitation (provisional) | 99.5 mm (3.9 in) | 34.4 mm (1.4 in) | 65 | 56 of 100 (Notable) |
| 2026-10-02 | Abashiri | Record daily precipitation (provisional) | 146.0 mm (5.7 in) | 49.5 mm (1.9 in) | 47 | 71 of 100 (Major) |
| 2026-10-02 | Mombetsu | Record daily precipitation (provisional) | 146.0 mm (5.7 in) | 62.4 mm (2.5 in) | 19 | 62 of 100 (Major) |
| 2026-10-02 | Tottori | Record daily precipitation (provisional) | 71.5 mm (2.8 in) | 35.4 mm (1.4 in) | 1 | 26 of 100 (Routine) |
| 2026-10-02 | Hamamatsu | Record daily precipitation (provisional) | 77.0 mm (3.0 in) | 23.4 mm (0.9 in) | 31 | 25 of 100 (Routine) |
| 2026-10-03 | Saigo | Record daily precipitation (provisional) | 193.6 mm (7.6 in) | 68.8 mm (2.7 in) | 74 | 79 of 100 (Major) |
| 2026-10-03 | Matsue | Record daily precipitation (provisional) | 375.5 mm (14.8 in) | 242.8 mm (9.6 in) | 74 | 79 of 100 (Major) |
| 2026-10-03 | Fukue | Record daily precipitation (provisional) | 508.5 mm (20.0 in) | 182.5 mm (7.2 in) | 41 | 78 of 100 (Major) |
| 2026-10-03 | Asahikawa | Record daily precipitation (provisional) | 145.2 mm (5.7 in) | 81.2 mm (3.2 in) | 52 | 72 of 100 (Major) |
| 2026-10-03 | Tokushima | Record daily precipitation (provisional) | 330.5 mm (13.0 in) | 114.0 mm (4.5 in) | 45 | 69 of 100 (Major) |
| 2026-10-03 | Mito | Record daily precipitation (provisional) | 111.0 mm (4.4 in) | 81.6 mm (3.2 in) | 72 | 65 of 100 (Major) |
| 2026-10-03 | Niigata | Record daily precipitation (provisional) | 144.4 mm (5.7 in) | 67.4 mm (2.7 in) | 21 | 63 of 100 (Major) |
| 2026-10-03 | Hiroshima | Record daily precipitation (provisional) | 158.9 mm (6.3 in) | 70.3 mm (2.8 in) | 64 | 63 of 100 (Major) |
| 2026-10-03 | Matsuyama | Record daily precipitation (provisional) | 232.1 mm (9.1 in) | 81.2 mm (3.2 in) | 12 | 60 of 100 (Major) |
| 2026-10-03 | Akita | Record daily precipitation (provisional) | 160.0 mm (6.3 in) | 73.9 mm (2.9 in) | 6 | 59 of 100 (Notable) |
| 2026-10-03 | Morioka | Record daily precipitation (provisional) | 73.0 mm (2.9 in) | 28.7 mm (1.1 in) | 72 | 51 of 100 (Notable) |
| 2026-10-03 | Nagoya | Record daily precipitation (provisional) | 153.5 mm (6.0 in) | 107.5 mm (4.2 in) | 8 | 49 of 100 (Notable) |
| 2026-10-03 | Shizuoka | Record daily precipitation (provisional) | 177.0 mm (7.0 in) | 104.1 mm (4.1 in) | 21 | 49 of 100 (Notable) |
| 2026-10-03 | Aomori | Record daily precipitation (provisional) | 59.5 mm (2.3 in) | 37.4 mm (1.5 in) | 20 | 47 of 100 (Notable) |
| 2026-10-03 | Tsu | Record daily precipitation (provisional) | 165.0 mm (6.5 in) | 118.0 mm (4.6 in) | 1 | 47 of 100 (Notable) |
| 2026-10-03 | Omaezaki | Record daily precipitation (provisional) | 172.5 mm (6.8 in) | 104.4 mm (4.1 in) | 16 | 47 of 100 (Notable) |
| 2026-10-03 | Maizuru Reg Met HQ | Record daily precipitation (provisional) | 234.5 mm (9.2 in) | 151.4 mm (6.0 in) | 1 | 47 of 100 (Notable) |
| 2026-10-03 | Shionomisaki | Record daily precipitation (provisional) | 234.9 mm (9.2 in) | 128.0 mm (5.0 in) | 16 | 47 of 100 (Notable) |
| 2026-10-03 | Urakawa | Record daily precipitation (provisional) | 142.2 mm (5.6 in) | 21.2 mm (0.8 in) | 46 | 46 of 100 (Notable) |
| 2026-10-03 | Wajima | Record daily precipitation (provisional) | 138.5 mm (5.5 in) | 19.5 mm (0.8 in) | 52 | 43 of 100 (Notable) |
| 2026-10-03 | Oshima | Record daily precipitation (provisional) | 157.2 mm (6.2 in) | 60.4 mm (2.4 in) | 72 | 42 of 100 (Notable) |
| 2026-10-03 | Nagasaki | Record daily precipitation (provisional) | 204.8 mm (8.1 in) | 23.8 mm (0.9 in) | 44 | 41 of 100 (Notable) |
| 2026-10-03 | Abashiri | Record daily precipitation (provisional) | 169.5 mm (6.7 in) | 23.5 mm (0.9 in) | 0 | 40 of 100 (Notable) |
| 2026-10-03 | Choshi | Record daily precipitation (provisional) | 133.0 mm (5.2 in) | 53.0 mm (2.1 in) | 47 | 40 of 100 (Notable) |
| 2026-10-03 | Hakodate | Record daily precipitation (provisional) | 88.0 mm (3.5 in) | 10.0 mm (0.4 in) | 46 | 39 of 100 (Notable) |
| 2026-10-03 | Fukuoka | Record daily precipitation (provisional) | 125.5 mm (4.9 in) | 49.6 mm (2.0 in) | 8 | 39 of 100 (Notable) |
| 2026-10-03 | Kochi | Record daily precipitation (provisional) | 219.8 mm (8.7 in) | 27.8 mm (1.1 in) | 24 | 33 of 100 (Routine) |
| 2026-10-03 | Maebashi | Record daily precipitation (provisional) | 226.0 mm (8.9 in) | 13.9 mm (0.5 in) | 6 | 26 of 100 (Routine) |
| 2026-10-03 | Sendai | Record daily precipitation (provisional) | 149.8 mm (5.9 in) | 0.2 mm (0.01 in) | 11 | 20 of 100 (Routine) |
| 2026-10-03 | Wakkanai | Record daily precipitation (provisional) | 31.5 mm (1.2 in) | 1.5 mm (0.06 in) | 5 | 9 of 100 (Routine) |
| 2026-10-04 | Okayama | Record daily precipitation (provisional) | 297.5 mm (11.7 in) | 178.0 mm (7.0 in) | 46 | 71 of 100 (Major) |
| 2026-10-04 | Tadotsu | Record daily precipitation (provisional) | 276.5 mm (10.9 in) | 128.0 mm (5.0 in) | 38 | 68 of 100 (Major) |
| 2026-10-04 | Izuhara | Record daily precipitation (provisional) | 141.0 mm (5.6 in) | 128.0 mm (5.0 in) | 64 | 66 of 100 (Major) |
| 2026-10-04 | Fushiki | Record daily precipitation (provisional) | 191.5 mm (7.5 in) | 94.5 mm (3.7 in) | 21 | 63 of 100 (Major) |
| 2026-10-04 | Aikawa | Record daily precipitation (provisional) | 150.0 mm (5.9 in) | 47.9 mm (1.9 in) | 8 | 59 of 100 (Notable) |
| 2026-10-04 | Irozaki | Record daily precipitation (provisional) | 275.5 mm (10.8 in) | 61.5 mm (2.4 in) | 44 | 56 of 100 (Notable) |
| 2026-10-04 | Ishinomaki | Record daily precipitation (provisional) | 78.5 mm (3.1 in) | 52.7 mm (2.1 in) | 64 | 53 of 100 (Notable) |
| 2026-10-04 | Sukumo | Record daily precipitation (provisional) | 140.5 mm (5.5 in) | 91.5 mm (3.6 in) | 40 | 53 of 100 (Notable) |
| 2026-10-04 | Utsunomiya | Record daily precipitation (provisional) | 96.5 mm (3.8 in) | 59.5 mm (2.3 in) | 48 | 50 of 100 (Notable) |
| 2026-10-04 | Gifu | Record daily precipitation (provisional) | 78.0 mm (3.1 in) | 46.5 mm (1.8 in) | 57 | 48 of 100 (Notable) |
| 2026-10-04 | Aomori | Record daily precipitation (provisional) | 77.5 mm (3.1 in) | 35.1 mm (1.4 in) | 16 | 43 of 100 (Notable) |
| 2026-10-04 | Kawaguchiko | Record daily precipitation (provisional) | 83.5 mm (3.3 in) | 51.5 mm (2.0 in) | 48 | 39 of 100 (Notable) |
| 2026-10-04 | Yonago | Record daily precipitation (provisional) | 155.5 mm (6.1 in) | 8.5 mm (0.33 in) | 46 | 36 of 100 (Notable) |
| 2026-10-04 | Tajima | Record daily precipitation (provisional) | 158.0 mm (6.2 in) | 7.5 mm (0.30 in) | 46 | 35 of 100 (Notable) |
| 2026-10-04 | Takamatsu | Record daily precipitation (provisional) | 52.0 mm (2.0 in) | 17.9 mm (0.7 in) | 64 | 35 of 100 (Notable) |
| 2026-10-04 | Sendai | Record daily precipitation (provisional) | 51.5 mm (2.0 in) | 5.4 mm (0.21 in) | 64 | 29 of 100 (Routine) |
| 2026-10-04 | Murotomisaki | Record daily precipitation (provisional) | 80.0 mm (3.1 in) | 22.1 mm (0.9 in) | 36 | 24 of 100 (Routine) |
| 2026-10-04 | Ajiro | Record daily precipitation (provisional) | 85.0 mm (3.3 in) | 31.9 mm (1.3 in) | 3 | 19 of 100 (Routine) |
| 2026-10-04 | Tokushima | Record daily precipitation (provisional) | 97.5 mm (3.8 in) | 7.6 mm (0.30 in) | 36 | 19 of 100 (Routine) |
| 2026-10-04 | Yokohama | Record daily precipitation (provisional) | 76.0 mm (3.0 in) | 7.4 mm (0.29 in) | 21 | 15 of 100 (Routine) |
| 2026-10-04 | Irako | Record daily precipitation (provisional) | 78.0 mm (3.1 in) | 12.0 mm (0.5 in) | 3 | 11 of 100 (Routine) |
| 2026-10-05 | Mombetsu | Record daily precipitation (provisional) | 102.0 mm (4.0 in) | 62.0 mm (2.4 in) | 51 | 62 of 100 (Major) |
| 2026-10-05 | Fukui | Record daily precipitation (provisional) | 102.0 mm (4.0 in) | 73.0 mm (2.9 in) | 37 | 58 of 100 (Notable) |
| 2026-10-05 | Yonago | Record daily precipitation (provisional) | 120.0 mm (4.7 in) | 72.0 mm (2.8 in) | 37 | 58 of 100 (Notable) |
| 2026-10-05 | Urakawa | Record daily precipitation (provisional) | 208.0 mm (8.2 in) | 65.8 mm (2.6 in) | 0 | 57 of 100 (Notable) |
| 2026-10-05 | Abashiri | Record daily precipitation (provisional) | 196.0 mm (7.7 in) | 26.5 mm (1.0 in) | 0 | 43 of 100 (Notable) |
| 2026-10-05 | Utsunomiya | Record daily precipitation (provisional) | 74.5 mm (2.9 in) | 30.4 mm (1.2 in) | 75 | 43 of 100 (Notable) |
| 2026-10-05 | Kumagaya | Record daily precipitation (provisional) | 90.0 mm (3.5 in) | 45.5 mm (1.8 in) | 51 | 42 of 100 (Notable) |
| 2026-10-05 | Okayama | Record daily precipitation (provisional) | 62.0 mm (2.4 in) | 36.5 mm (1.4 in) | 37 | 42 of 100 (Notable) |
| 2026-10-05 | Sendai | Record daily precipitation (provisional) | 33.5 mm (1.3 in) | 14.3 mm (0.6 in) | 64 | 33 of 100 (Routine) |
| 2026-10-05 | Hikone | Record daily precipitation (provisional) | 33.0 mm (1.3 in) | 9.5 mm (0.37 in) | 51 | 28 of 100 (Routine) |
| 2026-10-05 | Shimonoseki | Record daily precipitation (provisional) | 38.0 mm (1.5 in) | 11.5 mm (0.5 in) | 44 | 27 of 100 (Routine) |
| 2026-10-05 | Obihiro | Record daily precipitation (provisional) | 34.0 mm (1.3 in) | 3.5 mm (0.14 in) | 55 | 25 of 100 (Routine) |
| 2026-10-05 | Gifu | Record daily precipitation (provisional) | 52.5 mm (2.1 in) | 22.5 mm (0.9 in) | 21 | 24 of 100 (Routine) |
| 2026-10-05 | Yamagata | Record daily precipitation (provisional) | 17.0 mm (0.7 in) | 0.5 mm (0.02 in) | 51 | 20 of 100 (Routine) |