los nombres de las columnas:
[1] - MoscĂș
[2] - San Petersburgo
[3] - no definido
[4] - Ekaterinburgo
[5] - Novosibirsk
Fecha         [1]      [2]      [3]      [4]      [5]
dic 22       26.1      6.4      3.5      4.2      4.1
en 23        27.3      6.3      3.7      4.2      4.2
feb 23       25.4      6.4      3.8      4.3      4.1
mar 23         27      6.3        4      4.3      3.8
abr 23       29.3      6.1      4.1      4.3      3.8
mayo 23      27.4      6.5      4.4      3.9        4
jun 23       27.6      6.2      4.4        4      3.8
jul 23       28.9      6.5      4.8      3.7      3.5
ag 23        27.8      6.4      4.6      3.6      4.1
sept 23      26.8      6.4      4.4      3.6      3.9
oct 23       26.8      6.7      4.4      3.8      3.9
nov 23       27.9      6.4      4.2      3.8      3.7
dic 23         28      6.3      4.1      4.1      3.6
en 24        28.6      6.2      4.8        4      3.3
feb 24       29.1      6.1      4.5      3.8      3.4
mar 24       29.3      6.2      4.8      3.6      3.4
abr 24       27.8      6.7      4.2      4.1        4
mayo 24      30.7      6.1      3.8      3.9      3.7
jun 24       30.6      6.2      3.8      3.7      3.4
jul 24       31.9      6.4      4.1      3.4      3.5
ag 24        30.1      6.8        4      3.6      3.5
sept 24      43.6      5.6        4      2.6      2.4
oct 24       31.8      6.1      3.9      3.7      3.3
nov 24       35.8      2.9      3.4      2.5      2.5
dic 24       26.5      6.7        4      3.7      3.1
en 25        30.3      5.6      4.4      3.1      3.1
feb 25       28.4      4.4      4.1      4.3      3.4
mar 25       42.5     0.94     0.94        0     0.94
abr 25       38.6      2.4      1.2        0      1.2
mayo 25      47.8        3      1.5        0        3
jun 25       57.1        0        0        0     14.3