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       36.8      9.6        4        4      4.3
dic 21       37.2      9.7        4      3.8      4.3
en 22        36.5      9.6      4.1      3.6        4
feb 22       36.7      9.3      3.9      3.7      3.9
mar 22       37.2      9.4      4.1      3.8      3.9
abr 22       37.1      9.4        4      3.7        4
mayo 22      36.8      9.8      3.9      3.6      4.1
jun 22       37.6     10.1        4      3.6      4.2
jul 22       38.1     10.2      3.9      3.6      4.3
ag 22        38.4      9.8      3.9      3.7      4.4
sept 22      37.9      9.2      3.9      3.7        4
oct 22       37.2      9.5      4.1      3.8      3.9
nov 22       37.2      9.1      4.1      3.8      3.8
dic 22       37.4      8.9      4.1      3.7      3.8
en 23        37.2      8.8        4      3.9      3.9
feb 23       37.5      8.8      3.9      3.8      3.8
mar 23       38.9      8.8      3.9      3.8      3.7
abr 23         39        9        4      3.8      3.8
mayo 23      40.1      8.8      3.8      3.8      3.9
jun 23       40.7      8.9      3.9      3.8        4
jul 23       40.8      8.8      3.9      3.8      4.2
ag 23        41.8      8.7        4      3.6      4.3
sept 23      40.7      8.6      4.2      3.6      4.8
oct 23       41.3      8.5      3.8      3.5      4.4
nov 23       42.3      8.6      3.3      3.4      4.5
dic 23         42      8.8      3.3      3.5      4.5
en 24        41.9      8.8      3.2      3.5      3.6
feb 24       42.3      9.1      3.4      3.6      3.8
mar 24       43.3      9.2      3.2      3.7      3.8
abr 24       43.3      9.4      3.3      3.6      3.8
mayo 24      42.4      9.1      3.2      3.5        4