les titres des colonnes:
[1] - Moscou
[2] - Ekaterinbourg
[3] - Saint-Pétersbourg
[4] - Novossibirsk
[5] - Nizhny Novgorod
Date          [1]      [2]      [3]      [4]      [5]
22 oct       28.6       12     10.8     10.1      4.7
29 oct       29.3     12.3     10.2      9.5      4.8
5 nov          30     12.1     10.3      8.8      4.7
12 nov       30.4     11.7     10.3      8.8      4.6
19 nov         30       12     10.6      8.9      4.6
26 nov       29.8     11.9     10.9      8.8      4.7
3 dec        30.2     11.7     10.7      9.4      4.5
10 dec       29.5     11.9     10.4      9.8      4.5
17 dec       29.7     11.6     10.9      9.7      4.5
24 dec       30.5     11.1     11.3      8.9      4.5
31 dec       30.1       12     11.3      8.6      4.4
7 jan        30.9       10     10.9      8.8      4.2
14 jan       29.8     11.7     10.7      9.7      4.3
21 jan       29.4     11.5     11.2      9.6      4.4
28 jan       29.6     11.5     11.5      9.5      4.4
4 fev        29.1     11.9     11.6      9.7      4.6
11 fev       29.4       12     11.1      9.8      4.5
18 fev       29.1     12.1     11.2      9.9      4.5
25 fev       29.3     11.6       11     10.2      4.6
3 mar        29.5     11.3     12.3      9.8      4.5
10 mar       29.9     11.3     11.8      9.5      4.4
17 mar       29.6     11.8     11.6      9.5      4.6
24 mar       30.5     11.2     12.7      8.9      4.4
31 mar       29.3       12     11.6      9.9      4.4
7 avr          30     11.6     11.6      9.5      4.4
14 avr       29.2       13     10.9      9.6      4.6
21 avr       29.7     12.1     10.9      9.8      4.6
28 avr       29.1     12.4     11.2      9.8      4.6
5 mai        29.5       12     10.3      9.4      4.5
12 mai       29.8     11.6     12.1      8.3      4.5
16 mai       29.1     12.1     11.8      9.5      4.4