From: Impact of meteorological variation on hospital visits of patients with tree pollen allergy
Month | Meteorological factors | No. of patients | ||||
---|---|---|---|---|---|---|
 |  | April | May | June | July | Totala |
February | Average temperature (°C) | -0.21 | 0.03 | 0.56 | -0.08 | 0.06 |
 | Maximum temperature (°C) | -0.14 | 0.06 | 0.59 | -0.04 | 0.11 |
 | Minimum temperature (°C) | -0.29 | -0.02 | 0.49 | -0.14 | -0.01 |
 | Relative humidity (%) | -0.12 | -0.007 | 0.21 | -0.26 | -0.05 |
 | Precipitation (mm) | 0.08 | 0.24 | 0.44 | 0.38 | 0.30 |
March | Average temperature (°C) | 0.39 | 0.38 | 0.37 | 0.24 | 0.38 |
 | Maximum temperature (°C) | 0.15 | 0.11 | 0.05 | 0.07 | 0.11 |
 | Minimum temperature (°C) | 0.71* | 0.76* | 0.68* | 0.56 | 0.75* |
 | Relative humidity (%) | 0.63 | 0.57 | 0.54 | 0.25 | 0.56 |
 | Precipitation (mm) | 0.27 | 0.35 | 0.60 | -0.03 | 0.33 |
April | Average temperature (°C) | 0.33 | 0.18 | -0.14 | 0.35 | 0.21 |
 | Maximum temperature (°C) | 0.30 | 0.14 | -0.16 | 0.24 | 0.15 |
 | Minimum temperature (°C) | 0.23 | 0.24 | -0.02 | 0.37 | 0.22 |
 | Relative humidity (%) | 0.16 | 0.29 | 0.25 | -0.10 | 0.16 |
 | Precipitation (mm) | -0.03 | -0.11 | -0.12 | 0.28 | -0.005 |
May | Average temperature (°C) | - | 0.54 | 0.47 | 0.36 | 0.5 |
 | Maximum temperature (°C) | - | 0.53 | 0.38 | 0.34 | 0.45 |
 | Minimum temperature (°C) | - | 0.36 | 0.45 | 0.22 | 0.38 |
 | Relative humidity (%) | - | -0.1 | 0.03 | -0.44 | -0.18 |
 | Precipitation (mm) | - | 0.26 | 0.55 | -0.01 | 0.3 |