| Amounts of precipitation in Hiroshima (August) |
| (mm) |
| Date | 2008-1987 | ・ | 2008-2007 | 2006-1997 | 1996-1987 | 1986-1977 | 1976-1967 | 1966-1957 |
| 1-Aug | 84.0 | 0.0 | 62.0 | 22.0 | 0.0 | 32.0 | 0.4 | |
| 2-Aug | 310.0 | 0.0 | 146.0 | 164.0 | 1.0 | 3.5 | 5.2 | |
| 3-Aug | 25.0 | 17.5 | 2.0 | 5.5 | 17.0 | 30.0 | 16.5 | |
| 4-Aug | 38.5 | 1.0 | 37.0 | 0.5 | 48.0 | 44.0 | 3.1 | |
| 5-Aug | 80.0 | 0.0 | 58.0 | 22.0 | 7.5 | 22.0 | 3.8 | |
| 6-Aug | 8.0 | 2.5 | 5.0 | 0.5 | 31.0 | 59.5 | 40.3 | |
| 7-Aug | 12.0 | 0.0 | 1.0 | 11.0 | 0.5 | 55.6 | 0.0 | |
| 8-Aug | 175.5 | 0.0 | 44.5 | 131.0 | 39.0 | 14.0 | 55.5 | |
| 9-Aug | 30.0 | 0.0 | 20.0 | 10.0 | 4.5 | 0.5 | 69.8 | |
| 10-Aug | 203.0 | 0.0 | 122.5 | 80.5 | 0.0 | 26.0 | 43.7 | |
| 11-Aug | 55.0 | 0.0 | 50.5 | 4.5 | 13.0 | 7.0 | 12.2 | |
| 12-Aug | 87.5 | 0.0 | 34.5 | 53.0 | 19.0 | 27.5 | 0.0 | |
| 13-Aug | 139.5 | 0.0 | 26.0 | 113.5 | 0.0 | 0.1 | 0.0 | |
| 14-Aug | 148.0 | 31.0 | 45.0 | 72.0 | 31.0 | 2.5 | 0.5 | |
| 15-Aug | 158.5 | 0.0 | 23.5 | 135.0 | 89.0 | 61.1 | 14.8 | |
| 16-Aug | 19.5 | 0.0 | 4.0 | 15.5 | 22.5 | 46.5 | 15.2 | |
| 17-Aug | 125.5 | 0.0 | 24.0 | 101.5 | 6.0 | 98.0 | 44.8 | |
| 18-Aug | 161.5 | 0.0 | 131.0 | 30.5 | 132.5 | 23.5 | 17.3 | |
| 19-Aug | 78.0 | 7.0 | 4.5 | 66.5 | 12.5 | 12.5 | 51.4 | |
| 20-Aug | 35.0 | 0.0 | 1.0 | 34.0 | 16.5 | 128.5 | 3.3 | |
| 21-Aug | 82.5 | 1.0 | 53.0 | 28.5 | 29.0 | 135.5 | 24.4 | |
| 22-Aug | 147.0 | 8.5 | 7.0 | 131.5 | 63.0 | 21.5 | 71.6 | |
| 23-Aug | 88.0 | 50.5 | 25.0 | 12.5 | 128.0 | 10.5 | 20.9 | |
| 24-Aug | 68.0 | 0.0 | 14.0 | 54.0 | 24.0 | 25.2 | 69.5 | |
| 25-Aug | 70.5 | 0.0 | 0.0 | 70.5 | 72.5 | 68.6 | 20.6 | |
| 26-Aug | 51.5 | 0.0 | 34.0 | 17.5 | 10.0 | 61.3 | 0.0 | |
| 27-Aug | 75.0 | 3.0 | 6.5 | 65.5 | 99.5 | 6.0 | 2.8 | |
| 28-Aug | 29.5 | 4.0 | 22.5 | 3.0 | 34.0 | 20.0 | 25.6 | |
| 29-Aug | 31.0 | 26.5 | 0.0 | 4.5 | 23.0 | 29.9 | 31.5 | |
| 30-Aug | 126.0 | 1.5 | 106.5 | 18.0 | 32.5 | 19.8 | 74.6 | |
| 31-Aug | 130.5 | 12.5 | 80.5 | 37.5 | 61.0 | 15.4 | 0.0 |