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Correlation coefficients (r) between climatic factors, Vientiane, Laos
| Humidity | Precipitation | Visibility | Maximum wind speed | |
|---|---|---|---|---|
| Humidity | NA | 0·66 | 0·35 | 0·03 |
| Precipitation | .. | NA | 0·19 | 0·15 |
| Visibility | .. | .. | NA | 0·19 |
| Maximum wind speed | .. | .. | .. | NA |
NA=not applicable.
