| 站点Station | Cv值Coefficient of variation | |
| CWD | RX1 | |
| 泸西 | 0.44 | 0.40 |
| 耿马 | 0.38 | 0.30 |
| 砚山 | 0.44 | 0.34 |
| 澜沧 | 0.35 | 0.30 |
| 景东 | 0.35 | 0.34 |
| 思茅 | 0.37 | 0.32 |