les titres des colonnes:
[1] - Moscou
[2] - Tcheliabinsk
[3] - Krasnodar
[4] - Sourgout
[5] - Oulianovsk
Date          [1]      [2]      [3]      [4]      [5]
27 oct       71.2      2.2     0.95      2.2     0.51
3 nov        72.3      6.2      1.1      1.1    0.062
10 nov       65.9      5.5      1.5      4.6     0.08
17 nov       59.8      5.3     0.82      1.2     0.16
24 nov       65.6      4.4     0.44      1.7        0
1 dec        67.2      5.8      1.4    0.069        0
8 dec        69.8      3.8      2.2        0        0
15 dec       64.8      5.7      2.7     0.97      2.4
22 dec       69.1      3.5      1.1    0.071    0.071
29 dec       77.3      2.2     0.89    0.089     0.54
5 jan        45.8        0      2.8        0        0
12 jan       62.3      6.9      5.5      1.3        0
19 jan       72.1      4.8      1.9      1.2     0.97
26 jan       75.2      7.5     0.92      1.2     0.61
2 fev        68.2      6.6      2.2        0        0
9 fev        72.9      4.5      1.6        0    0.072
16 fev       60.8      2.4     0.64        0     0.13
23 fev       76.1      8.9     0.88     0.95        0
2 mar          63     10.5      2.4      1.1        0
9 mar          65      8.5      3.2      1.1      3.7
16 mar       66.1      6.3      8.9        0     0.54
23 mar       76.2        5        0      1.4      1.1
30 mar       73.3      9.2      2.4    0.085     0.17
6 avr        70.8      9.1        3        0    0.085
13 avr       59.4      4.9      1.6        0     0.49
20 avr       66.9      3.8      2.7     0.11     0.34
27 avr       61.4      4.5     0.55        0      1.5
4 mai        62.1      3.8     0.99        0     0.66
11 mai       63.6      7.5      4.3     0.12        0
18 mai       69.3      2.5      1.6      1.9      2.1
20 mai       72.8      8.7      3.5        3        0