les titres des colonnes:
[1] - Moscou
[2] - Saint-Pétersbourg
[3] - Rostov-sur-le Don
[4] - Penza
[5] - n'est pas défini
Date          [1]      [2]      [3]      [4]      [5]
29 sep       19.7     0.82     0.82        0      6.6
6 oct        13.5     0.71     0.71        0     12.1
13 oct       31.7      1.7        0        0     18.3
20 oct       20.9      4.5        0        0     13.4
27 oct       17.5     21.1        0        0     10.5
3 nov        18.8      6.2        0        0     14.1
10 nov       26.4      2.8      2.8      1.4      6.9
17 nov         25      4.4        0      1.5      8.8
24 nov       15.7       10      1.4        0     15.7
1 dec        14.8      7.4      1.2        0        0
8 dec        40.5      2.5        0        0      2.5
15 dec       28.6      7.1      2.9        0      2.9
22 dec       25.5      7.3      1.8        0     10.9
29 dec       36.7        2        2        0        2
5 jan        27.7      2.1      2.1        0      4.3
12 jan       18.8     10.4        0        0      2.1
19 jan       26.9      7.7      5.8      1.9        0
26 jan       36.5      5.8     0.96        0     0.96
2 fev        33.7     12.8      3.5        0        0
9 fev        34.8     12.2      1.8      1.4     0.53
16 fev       36.5      8.7     0.79     0.79      3.2
23 fev       36.6     10.4      4.9     0.61      2.4
2 mar        15.2      7.6      1.3        0      1.9
9 mar        41.5      4.6      1.5      1.5      6.2
16 mar       31.6        7      3.5        0      3.5
23 mar       44.2      9.3        0        0        7
30 mar       36.8      5.9      5.9      5.9      4.4
6 avr        43.2      5.4      2.7      1.4      2.7
13 avr         25      4.5      2.7      1.8      1.8
20 avr       29.4      1.6      7.9      1.6      1.6
26 avr       29.7      6.8      2.7        0      6.8