Number of days available for climatic review
parametr | sty | lut | mar | kwi | maj | cze |
Tmax | 151 | 132 | 151 | 148 | 149 | 146 |
Tmin | 146 | 137 | 151 | 147 | 154 | 150 |
słońce (godz.) | 150 | 135 | 151 | 149 | 151 | 146 |
opad | 161 | 144 | 155 | 151 | 155 | 150 |
wilgotność / widzialność | 149 | 136 | 152 | 148 | 151 | 148 |
parametr | lip | sie | wrz | paź | lis | gru |
Tmax | 145 | 143 | 148 | 137 | 119 | 123 |
Tmin | 146 | 142 | 145 | 136 | 118 | 121 |
słońce (godz.) | 140 | 140 | 145 | 134 | 116 | 122 |
opad | 153 | 159 | 156 | 150 | 120 | 132 |
wilgotność / widzialność | 146 | 141 | 147 | 138 | 118 | 121 |
Climate data is usually derived from meteorological data of a certain number of years. The actual number of recorded years may vary from only a couple to 50 years or more. The quality of climate data depends on the number of available recorded years. Fewer years means less reliable data. The standart-period for reliable climate data is 30 years. For example, the mean monthly temperature for, let's say January, would ideally calculated from a total number of 930 recorded January-days. However, the usual number of recorded days is much smaller. The table above shows the actual number of recorded days for every parameter measured. |