los nombres de las columnas:
[1] - MoscĂș
[2] - Chelyabinsk
[3] - Tomsk
[4] - San Petersburgo
[5] - Samara
Fecha         [1]      [2]      [3]      [4]      [5]
nov 22       58.4      6.2      2.8      2.9      2.3
dic 22       52.7      7.1      3.2      1.5      2.3
en 23        49.2      6.2      2.6      1.9     0.68
feb 23       45.6      6.2      1.6        4     0.97
mar 23       50.4      6.5     0.11      1.1     0.72
abr 23       52.9      5.6    0.071      3.7     0.55
mayo 23      60.8      4.3     0.31      2.6      2.6
jun 23       58.7        7    0.097      2.5     0.57
jul 23       61.9      6.6        0      2.5     0.76
ag 23        68.8      3.9        0      4.5     0.57
sept 23      61.2      7.3     0.15      2.6      1.2
oct 23       61.4      5.8        0      3.3     0.82
nov 23       60.4      6.5        0      1.5     0.49
dic 23       62.8        4        0      4.4      0.2
en 24        58.7      5.5        0      3.2        1
feb 24         61      3.5    0.024      4.3     0.81
mar 24       64.7      4.2     0.09      3.7     0.21
abr 24         65      3.3     0.06      3.1     0.11
mayo 24      58.1        3     0.13      2.2      1.5
jun 24       59.3      4.6    0.013      4.9     0.61
jul 24       60.3      5.1    0.092      6.1     0.64
ag 24        65.1        6    0.013      4.3      1.6
sept 24      60.1      7.4    0.015      6.2     0.86
oct 24       68.7      5.9    0.029      3.9     0.36
nov 24       65.7      4.9     0.22      1.3      1.8
dic 24       69.9      3.7        0      5.7     0.34
en 25        69.1      6.2        0      1.7     0.85
feb 25       68.7      5.9    0.018      4.9        1
mar 25       69.1      7.4     0.02      2.5      0.1
abr 25       64.3      5.8     0.21      9.3    0.039
mayo 25      64.6      4.1     0.54      3.3     0.25