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Pearson correlation coefficients between COVID-19 Milan cases and daily average climate variables.
| Time period: January–April 2020 | ||||
|---|---|---|---|---|
| COVID-19 number cases | Planetary Boundary Layer(PBL) | Air temp. T (°C) | Relative humidity RH(%) | Wind speed (km/h) |
| Total cases | 0.79 | 0.67 | −0.47 | −0.02 |
| Daily New cases | 0.36 | 0.24 | −0.32 | −0.14 |
| Total deaths | 0.82 | 0.73 | −0.53 | 0.15 |
