Number of days available for climatic review
Paramètre | jan | fev | mar | avr | mai | juin |
Tmax | 1064 | 963 | 1077 | 1041 | 1079 | 1031 |
Tmin | 1072 | 970 | 1076 | 1046 | 1083 | 1044 |
Durée d’insolation | 132 | 120 | 131 | 126 | 137 | 132 |
Précipitation | 157 | 140 | 157 | 151 | 155 | 150 |
Humidité/Visibilité | 142 | 131 | 141 | 123 | 129 | 127 |
Paramètre | juillet | août | sep | oct | nov | déc |
Tmax | 1069 | 1095 | 1082 | 1105 | 1071 | 1071 |
Tmin | 1076 | 1098 | 1090 | 1108 | 1082 | 1077 |
Durée d’insolation | 137 | 157 | 182 | 152 | 110 | 123 |
Précipitation | 160 | 188 | 211 | 212 | 202 | 175 |
Humidité/Visibilité | 130 | 143 | 167 | 176 | 153 | 138 |
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. |