los nombres de las columnas:
[1] - MoscĂș
[2] - San Petersburgo
[3] - Novosibirsk
[4] - Nizhni Novgorod
[5] - Krasnodar
Fecha         [1]      [2]      [3]      [4]      [5]
nov 21       39.4        9      3.7      3.8      3.9
dic 21         39        9      3.8      3.6      4.2
en 22        38.7      9.1      3.9      3.4      3.8
feb 22       38.1      8.7      3.8      3.5      3.8
mar 22       39.3      8.8      3.7      3.5      3.6
abr 22       38.7      8.9      3.7      3.5      3.7
mayo 22      37.6        9      3.6      3.4      3.9
jun 22       38.6      9.1      3.7      3.3      3.9
jul 22         40        9      3.4      3.3        4
ag 22        40.9      8.7      3.4      3.3        4
sept 22      39.8      8.4      3.4      3.3      3.8
oct 22       39.1      8.7      3.6      3.4      3.7
nov 22       39.3      8.3      3.6      3.4      3.5
dic 22       39.5      8.2      3.6      3.3      3.6
en 23        38.5      8.4      3.7      3.9      3.6
feb 23       38.4      8.4      3.8      3.8      3.5
mar 23       40.2      8.3      3.7      3.5      3.4
abr 23       40.4      8.8      3.7      3.4      3.5
mayo 23      41.5      8.4      3.5      3.5      3.7
jun 23       41.9      8.4      3.5      3.5      3.8
jul 23       42.1      8.4      3.6      3.4        4
ag 23        43.1      8.2      3.5      3.2        4
sept 23      42.6      8.1      3.9      3.2      4.1
oct 23       43.2      8.2      3.4      3.2      3.8
nov 23       44.2        8      3.1      3.1      3.8
dic 23       44.1      8.3      2.9      3.1      3.8
en 24        43.8      8.2      2.9      3.2      3.4
feb 24         44      8.3      2.9      3.2      3.6
mar 24       44.5      8.6      2.8      3.3      3.6
abr 24       44.6      8.7        3      3.2      3.6
mayo 24        44      8.6      2.8      3.2      3.7