Table 3 Correlations between mean monthly meteorological factors and tree pollen counts
From: Impact of meteorological variation on hospital visits of patients with tree pollen allergy
Month | Meteorological factors | Counts of tree pollen (grains/m3) | ||
|---|---|---|---|---|
| Â | Â | March | April | May |
February | Average temperature (°C) | 0.04 | -0.16 | 0.22 |
|  | Maximum temperature (°C) | 0.08 | -0.08 | 0.15 |
|  | Minimum temperature (°C) | -0.02 | -0.27 | 0.25 |
| Â | Relative humidity (%) | 0.24 | -0.02 | 0.16 |
| Â | Precipitation (mm) | 0.06 | -0.04 | 0.82* |
March | Average temperature (°C) | 0.50 | 0.62 | -0.10 |
|  | Maximum temperature (°C) | 0.17 | 0.43 | -0.37 |
|  | Minimum temperature (°C) | 0.78* | 0.86* | 0.16 |
| Â | Relative humidity (%) | 0.85* | 0.65 | 0.13 |
| Â | Precipitation (mm) | 0.50 | 0.24 | -0.11 |
April | Average temperature (°C) | - | 0.48 | 0.11 |
|  | Maximum temperature (°C) | - | 0.45 | -0.11 |
|  | Minimum temperature (°C) | - | 0.34 | 0.44 |
| Â | Relative humidity (%) | - | 0.24 | 0.07 |
| Â | Precipitation (mm) | - | 0.01 | 0.68 |
May | Average temperature (°C) | - | - | 0.72* |
|  | Maximum temperature (°C) | - | - | 0.64 |
|  | Minimum temperature (°C) | - | - | 0.61 |
| Â | Relative humidity (%) | - | - | -0.47 |
| Â | Precipitation (mm) | - | - | -0.03 |