| Month | National station | Fangyuan | Aoquan | ||
| Precipitation (mm) | Precipitation (mm) | Relative error (%) | Precipitation (mm) | Relative error (%) | |
| 1 | 71.1 | 96.2 | 35.3 | 134.6 | 89.3 |
| 2 | 157.3 | 195 | 24.0 | 211.7 | 34.6 |
| 3 | 299.9 | 372.2 | 24.1 | 435.0 | 45.0 |
| 4 | 174.8 | 245.5 | 40.4 | 162.2 | −7.2 |
| 5 | 159.3 | 174.3 | 9.4 | 200.8 | 26.1 |
| 6 | 132.2 | 95.1 | −28.1 | 108.3 | −18.1 |
| 7 | 114.1 | 85.7 | −24.9 | 1.3 | −98.9 |
| 8 | 90.2 | 85.7 | −5.0 | 76.5 | −15.2 |
| 9 | 207 | 188.6 | −8.9 | 237.2 | 14.6 |
| 10 | 22.8 | 38.7 | 69.7 | 25.0 | 9.6 |
| 11 | 7.3 | 12.8 | 75.3 | 7.8 | 6.8 |
| 12 | 30.7 | 31.6 | 2.9 | 16.2 | −47.2 |
| Year | 1466.7 | 1621.4 | 10.5 | 1616.6 | 10.2 |