les titres des colonnes:
[1] - Moscou
[2] - Saint-Pétersbourg
[3] - Ekaterinbourg
[4] - Novossibirsk
[5] - Krasnodar
Date          [1]      [2]      [3]      [4]      [5]
6 oct        48.3      6.4        3      2.5      2.1
13 oct       44.9      6.8      2.5      2.3      3.6
20 oct       45.4      6.8      2.7      2.2      1.6
27 oct       42.1      9.7      2.1      3.4      3.6
3 nov        46.7     10.1      2.3      2.1      2.3
10 nov         49      6.7      2.5      3.1      3.1
17 nov         44     13.6      2.7      2.4      1.9
24 nov       45.6     10.5      2.7      4.1      3.5
1 dec          48      6.6      2.4      3.4      1.2
8 dec        52.7        7      2.4      2.4      2.8
15 dec       46.6      8.6      3.3      1.1      2.7
22 dec         52      6.1      2.4      2.2      1.9
29 dec       44.3     11.1      1.7      2.2      1.9
5 jan        46.3      6.5      3.1      2.3      2.1
12 jan       39.6      9.8        4      1.4      5.3
19 jan       48.7      6.3      4.1      4.9     0.59
26 jan       39.4      5.6      2.8      3.1      2.5
2 fev        32.2      6.8      3.4        3      2.8
9 fev        39.7      9.6      3.2      2.8      2.7
16 fev       41.1     12.9      2.8      1.4      2.7
23 fev       39.7     10.8      1.4      1.6      2.4
2 mar        46.4     12.6      2.1      1.2      2.1
9 mar        55.9      9.8     0.91        2      2.7
16 mar       49.1     11.2      2.1      2.3      4.6
23 mar       49.1     10.7      1.5     0.77        2
30 mar       53.6      9.4        1     0.51      2.3
6 avr        53.4     10.7      1.9     0.27      2.4
13 avr       52.1      6.9      1.1      1.7      2.2
20 avr       53.1      5.9      4.5      2.1        1
27 avr       49.5      8.4      1.3     0.65     0.97
1 mai        58.7        8      1.9      1.9     0.47