Table 2 Meteorological conditions in the study area in 2001 and 2002
Katowice 2001 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Weather parameters | Months | |||||||||||
I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII | |
Average temp. (°C) | -0.5 | 0.6 | 3.6 | 7.9 | 14.6 | 19.3 | 14.6 | 19 | 11.8 | 11.7 | 2 | -5.1 |
Max temp. (°C) | 2.4 | 4.7 | 7.7 | 12.8 | 20.5 | 24.2 | 19.3 | 24.9 | 15.6 | 16.5 | 5.1 | -1.3 |
Min temp. (°C) | -4.1 | -4.2 | -0.9 | 2.6 | 7.5 | 14.0 | 9.4 | 13.1 | 8.0 | 7.0 | -1.6 | -9.7 |
Average air pressure (hPa) | 1019 | 1017 | 1010 | 1013 | 1016 | 1014 | 1014 | 1017 | 1012 | 1020 | 1019 | 1021 |
Average RH (%) | 87.0 | 77.0 | 79.1 | 73.4 | 63.8 | 77.4 | 77.1 | 75.3 | 86 | 84.5 | 85.1 | 89.2 |
Average wind speed(m/s) | 8.2 | 10.5 | 10.7 | 8.6 | 8.4 | 7.3 | 8.0 | 7.1 | 10.0 | 7.8 | 10.8 | 11.2 |
Average rainfall (mm) | - | 31.2 | 60.1 | 102.2 | 65.3 | 98.2 | 151.5 | 101.7 | 109.9 | 31.4 | 55.5 | 37.5 |
Katowice 2002 | ||||||||||||
Weather parameters | Months | |||||||||||
I | II | III | IV | V | VI | VII | VIII | IX | X | XI | XII | |
Average temp. (°C) | -0.8 | 4.2 | 5.3 | 8.8 | 17.0 | 16.4 | 19.6 | 19.4 | 12.3 | 7.2 | 5.2 | -5.1 |
Max temp. (°C) | 2.2 | 8.4 | 10.7 | 14.1 | 23.4 | 22.1 | 26.1 | 25.6 | 17.6 | 11.5 | 9.5 | -1.3 |
Min temp. (°C) | -4.8 | -1.0 | -0.3 | 2.5 | 9.4 | 10.6 | 13.3 | 13.3 | 7.1 | 2.9 | 0.8 | -9.7 |
Average air pressure (hPa) | 1025 | 1014 | 1018 | 1017 | 1015 | 1015 | 1016 | 1014 | 1017 | 1013 | 1012 | 1021 |
Average RH (%) | 82.4 | 76.2 | 69.5 | 65.5 | 64.0 | 75.7 | 70.4 | 76.6 | 79.6 | 84.7 | 85.4 | 89.2 |
Average wind speed (m/s) | 12.7 | 13.9 | 12.1 | 9.5 | 7.8 | 9.3 | 10.5 | 8.1 | 9 | 14.1 | 11.3 | 11.2 |
Average rainfall (mm) | 39.7 | 47.8 | 21.8 | 22.5 | 133.8 | 132.2 | 91.3 | 82.6 | 55.9 | 83.1 | 36.9 | 25.3 |