Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Bivariate correlation between visibility and each meteorological variable.
| Annual mean temperature | Annual mean atmospheric pressure | Annual mean relative humidity | Annual total rainfall | Annual mean wind speed | |
|---|---|---|---|---|---|
| Visibility | 0.52** | −0.099 | −0.018 | −0.024 | −0.31 |
(i) The total sample size is 41.
(ii) * for p < 0.05; ** for p < 0.01; *** for p < 0.001.
